mirror of
https://github.com/torvalds/linux.git
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16394fd031
103687 Commits
| Author | SHA1 | Message | Date | |
|---|---|---|---|---|
Rafael J. Wysocki
|
16394fd031 |
x86 / PM: Replace CONFIG_PM_RUNTIME in io_apic.c
After commit
|
||
|
Rafael J. Wysocki
|
1b3e3aa6c5 |
PM / Kconfig: Replace PM_RUNTIME with PM in dependencies
After commit
|
||
|
Rafael J. Wysocki
|
bf7c5449e6 |
ARM / PM: Replace CONFIG_PM_RUNTIME with CONFIG_PM
After commit
|
||
Linus Torvalds
|
92a578b064 |
ACPI and power management updates for 3.19-rc1
This time we have some more new material than we used to have during
the last couple of development cycles.
The most important part of it to me is the introduction of a unified
interface for accessing device properties provided by platform
firmware. It works with Device Trees and ACPI in a uniform way and
drivers using it need not worry about where the properties come
from as long as the platform firmware (either DT or ACPI) makes
them available. It covers both devices and "bare" device node
objects without struct device representation as that turns out to
be necessary in some cases. This has been in the works for quite
a few months (and development cycles) and has been approved by
all of the relevant maintainers.
On top of that, some drivers are switched over to the new interface
(at25, leds-gpio, gpio_keys_polled) and some additional changes are
made to the core GPIO subsystem to allow device drivers to manipulate
GPIOs in the "canonical" way on platforms that provide GPIO information
in their ACPI tables, but don't assign names to GPIO lines (in which
case the driver needs to do that on the basis of what it knows about
the device in question). That also has been approved by the GPIO
core maintainers and the rfkill driver is now going to use it.
Second is support for hardware P-states in the intel_pstate driver.
It uses CPUID to detect whether or not the feature is supported by
the processor in which case it will be enabled by default. However,
it can be disabled entirely from the kernel command line if necessary.
Next is support for a platform firmware interface based on ACPI
operation regions used by the PMIC (Power Management Integrated
Circuit) chips on the Intel Baytrail-T and Baytrail-T-CR platforms.
That interface is used for manipulating power resources and for
thermal management: sensor temperature reporting, trip point setting
and so on.
Also the ACPI core is now going to support the _DEP configuration
information in a limited way. Basically, _DEP it supposed to reflect
off-the-hierarchy dependencies between devices which may be very
indirect, like when AML for one device accesses locations in an
operation region handled by another device's driver (usually, the
device depended on this way is a serial bus or GPIO controller).
The support added this time is sufficient to make the ACPI battery
driver work on Asus T100A, but it is general enough to be able to
cover some other use cases in the future.
Finally, we have a new cpufreq driver for the Loongson1B processor.
In addition to the above, there are fixes and cleanups all over the
place as usual and a traditional ACPICA update to a recent upstream
release.
As far as the fixes go, the ACPI LPSS (Low-power Subsystem) driver
for Intel platforms should be able to handle power management of
the DMA engine correctly, the cpufreq-dt driver should interact
with the thermal subsystem in a better way and the ACPI backlight
driver should handle some more corner cases, among other things.
On top of the ACPICA update there are fixes for race conditions
in the ACPICA's interrupt handling code which might lead to some
random and strange looking failures on some systems.
In the cleanups department the most visible part is the series
of commits targeted at getting rid of the CONFIG_PM_RUNTIME
configuration option. That was triggered by a discussion
regarding the generic power domains code during which we realized
that trying to support certain combinations of PM config options
was painful and not really worth it, because nobody would use them
in production anyway. For this reason, we decided to make
CONFIG_PM_SLEEP select CONFIG_PM_RUNTIME and that lead to the
conclusion that the latter became redundant and CONFIG_PM could
be used instead of it. The material here makes that replacement
in a major part of the tree, but there will be at least one more
batch of that in the second part of the merge window.
Specifics:
- Support for retrieving device properties information from ACPI
_DSD device configuration objects and a unified device properties
interface for device drivers (and subsystems) on top of that.
As stated above, this works with Device Trees and ACPI and allows
device drivers to be written in a platform firmware (DT or ACPI)
agnostic way. The at25, leds-gpio and gpio_keys_polled drivers
are now going to use this new interface and the GPIO subsystem
is additionally modified to allow device drivers to assign names
to GPIO resources returned by ACPI _CRS objects (in case _DSD is
not present or does not provide the expected data). The changes
in this set are mostly from Mika Westerberg, Rafael J Wysocki,
Aaron Lu, and Darren Hart with some fixes from others (Fabio Estevam,
Geert Uytterhoeven).
- Support for Hardware Managed Performance States (HWP) as described
in Volume 3, section 14.4, of the Intel SDM in the intel_pstate
driver. CPUID is used to detect whether or not the feature is
supported by the processor. If supported, it will be enabled
automatically unless the intel_pstate=no_hwp switch is present in
the kernel command line. From Dirk Brandewie.
- New Intel Broadwell-H ID for intel_pstate (Dirk Brandewie).
- Support for firmware interface based on ACPI operation regions
used by the PMIC chips on the Intel Baytrail-T and Baytrail-T-CR
platforms for power resource control and thermal management
(Aaron Lu).
- Limited support for retrieving off-the-hierarchy dependencies
between devices from ACPI _DEP device configuration objects
and deferred probing support for the ACPI battery driver based
on the _DEP information to make that driver work on Asus T100A
(Lan Tianyu).
- New cpufreq driver for the Loongson1B processor (Kelvin Cheung).
- ACPICA update to upstream revision 20141107 which only affects
tools (Bob Moore).
- Fixes for race conditions in the ACPICA's interrupt handling
code and in the ACPI code related to system suspend and resume
(Lv Zheng and Rafael J Wysocki).
- ACPI core fix for an RCU-related issue in the ioremap() regions
management code that slowed down significantly after CPUs had
been allowed to enter idle states even if they'd had RCU callbakcs
queued and triggered some problems in certain proprietary graphics
driver (and elsewhere). The fix replaces synchronize_rcu() in
that code with synchronize_rcu_expedited() which makes the issue
go away. From Konstantin Khlebnikov.
- ACPI LPSS (Low-Power Subsystem) driver fix to handle power
management of the DMA engine included into the LPSS correctly.
The problem is that the DMA engine doesn't have ACPI PM support
of its own and it simply is turned off when the last LPSS device
having ACPI PM support goes into D3cold. To work around that,
the PM domain used by the ACPI LPSS driver is redesigned so at
least one device with ACPI PM support will be on as long as the
DMA engine is in use. From Andy Shevchenko.
- ACPI backlight driver fix to avoid using it on "Win8-compatible"
systems where it doesn't work and where it was used by default by
mistake (Aaron Lu).
- Assorted minor ACPI core fixes and cleanups from Tomasz Nowicki,
Sudeep Holla, Huang Rui, Hanjun Guo, Fabian Frederick, and
Ashwin Chaugule (mostly related to the upcoming ARM64 support).
- Intel RAPL (Running Average Power Limit) power capping driver
fixes and improvements including new processor IDs (Jacob Pan).
- Generic power domains modification to power up domains after
attaching devices to them to meet the expectations of device
drivers and bus types assuming devices to be accessible at
probe time (Ulf Hansson).
- Preliminary support for controlling device clocks from the
generic power domains core code and modifications of the
ARM/shmobile platform to use that feature (Ulf Hansson).
- Assorted minor fixes and cleanups of the generic power
domains core code (Ulf Hansson, Geert Uytterhoeven).
- Assorted minor fixes and cleanups of the device clocks control
code in the PM core (Geert Uytterhoeven, Grygorii Strashko).
- Consolidation of device power management Kconfig options by making
CONFIG_PM_SLEEP select CONFIG_PM_RUNTIME and removing the latter
which is now redundant (Rafael J Wysocki and Kevin Hilman). That
is the first batch of the changes needed for this purpose.
- Core device runtime power management support code cleanup related
to the execution of callbacks (Andrzej Hajda).
- cpuidle ARM support improvements (Lorenzo Pieralisi).
- cpuidle cleanup related to the CPUIDLE_FLAG_TIME_VALID flag and
a new MAINTAINERS entry for ARM Exynos cpuidle (Daniel Lezcano and
Bartlomiej Zolnierkiewicz).
- New cpufreq driver callback (->ready) to be executed when the
cpufreq core is ready to use a given policy object and cpufreq-dt
driver modification to use that callback for cooling device
registration (Viresh Kumar).
- cpufreq core fixes and cleanups (Viresh Kumar, Vince Hsu,
James Geboski, Tomeu Vizoso).
- Assorted fixes and cleanups in the cpufreq-pcc, intel_pstate,
cpufreq-dt, pxa2xx cpufreq drivers (Lenny Szubowicz, Ethan Zhao,
Stefan Wahren, Petr Cvek).
- OPP (Operating Performance Points) framework modification to
allow OPPs to be removed too and update of a few cpufreq drivers
(cpufreq-dt, exynos5440, imx6q, cpufreq) to remove OPPs (added
during initialization) on driver removal (Viresh Kumar).
- Hibernation core fixes and cleanups (Tina Ruchandani and
Markus Elfring).
- PM Kconfig fix related to CPU power management (Pankaj Dubey).
- cpupower tool fix (Prarit Bhargava).
/
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Merge tag 'pm+acpi-3.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull ACPI and power management updates from Rafael Wysocki:
"This time we have some more new material than we used to have during
the last couple of development cycles.
The most important part of it to me is the introduction of a unified
interface for accessing device properties provided by platform
firmware. It works with Device Trees and ACPI in a uniform way and
drivers using it need not worry about where the properties come from
as long as the platform firmware (either DT or ACPI) makes them
available. It covers both devices and "bare" device node objects
without struct device representation as that turns out to be necessary
in some cases. This has been in the works for quite a few months (and
development cycles) and has been approved by all of the relevant
maintainers.
On top of that, some drivers are switched over to the new interface
(at25, leds-gpio, gpio_keys_polled) and some additional changes are
made to the core GPIO subsystem to allow device drivers to manipulate
GPIOs in the "canonical" way on platforms that provide GPIO
information in their ACPI tables, but don't assign names to GPIO lines
(in which case the driver needs to do that on the basis of what it
knows about the device in question). That also has been approved by
the GPIO core maintainers and the rfkill driver is now going to use
it.
Second is support for hardware P-states in the intel_pstate driver.
It uses CPUID to detect whether or not the feature is supported by the
processor in which case it will be enabled by default. However, it
can be disabled entirely from the kernel command line if necessary.
Next is support for a platform firmware interface based on ACPI
operation regions used by the PMIC (Power Management Integrated
Circuit) chips on the Intel Baytrail-T and Baytrail-T-CR platforms.
That interface is used for manipulating power resources and for
thermal management: sensor temperature reporting, trip point setting
and so on.
Also the ACPI core is now going to support the _DEP configuration
information in a limited way. Basically, _DEP it supposed to reflect
off-the-hierarchy dependencies between devices which may be very
indirect, like when AML for one device accesses locations in an
operation region handled by another device's driver (usually, the
device depended on this way is a serial bus or GPIO controller). The
support added this time is sufficient to make the ACPI battery driver
work on Asus T100A, but it is general enough to be able to cover some
other use cases in the future.
Finally, we have a new cpufreq driver for the Loongson1B processor.
In addition to the above, there are fixes and cleanups all over the
place as usual and a traditional ACPICA update to a recent upstream
release.
As far as the fixes go, the ACPI LPSS (Low-power Subsystem) driver for
Intel platforms should be able to handle power management of the DMA
engine correctly, the cpufreq-dt driver should interact with the
thermal subsystem in a better way and the ACPI backlight driver should
handle some more corner cases, among other things.
On top of the ACPICA update there are fixes for race conditions in the
ACPICA's interrupt handling code which might lead to some random and
strange looking failures on some systems.
In the cleanups department the most visible part is the series of
commits targeted at getting rid of the CONFIG_PM_RUNTIME configuration
option. That was triggered by a discussion regarding the generic
power domains code during which we realized that trying to support
certain combinations of PM config options was painful and not really
worth it, because nobody would use them in production anyway. For
this reason, we decided to make CONFIG_PM_SLEEP select
CONFIG_PM_RUNTIME and that lead to the conclusion that the latter
became redundant and CONFIG_PM could be used instead of it. The
material here makes that replacement in a major part of the tree, but
there will be at least one more batch of that in the second part of
the merge window.
Specifics:
- Support for retrieving device properties information from ACPI _DSD
device configuration objects and a unified device properties
interface for device drivers (and subsystems) on top of that. As
stated above, this works with Device Trees and ACPI and allows
device drivers to be written in a platform firmware (DT or ACPI)
agnostic way. The at25, leds-gpio and gpio_keys_polled drivers are
now going to use this new interface and the GPIO subsystem is
additionally modified to allow device drivers to assign names to
GPIO resources returned by ACPI _CRS objects (in case _DSD is not
present or does not provide the expected data). The changes in
this set are mostly from Mika Westerberg, Rafael J Wysocki, Aaron
Lu, and Darren Hart with some fixes from others (Fabio Estevam,
Geert Uytterhoeven).
- Support for Hardware Managed Performance States (HWP) as described
in Volume 3, section 14.4, of the Intel SDM in the intel_pstate
driver. CPUID is used to detect whether or not the feature is
supported by the processor. If supported, it will be enabled
automatically unless the intel_pstate=no_hwp switch is present in
the kernel command line. From Dirk Brandewie.
- New Intel Broadwell-H ID for intel_pstate (Dirk Brandewie).
- Support for firmware interface based on ACPI operation regions used
by the PMIC chips on the Intel Baytrail-T and Baytrail-T-CR
platforms for power resource control and thermal management (Aaron
Lu).
- Limited support for retrieving off-the-hierarchy dependencies
between devices from ACPI _DEP device configuration objects and
deferred probing support for the ACPI battery driver based on the
_DEP information to make that driver work on Asus T100A (Lan
Tianyu).
- New cpufreq driver for the Loongson1B processor (Kelvin Cheung).
- ACPICA update to upstream revision 20141107 which only affects
tools (Bob Moore).
- Fixes for race conditions in the ACPICA's interrupt handling code
and in the ACPI code related to system suspend and resume (Lv Zheng
and Rafael J Wysocki).
- ACPI core fix for an RCU-related issue in the ioremap() regions
management code that slowed down significantly after CPUs had been
allowed to enter idle states even if they'd had RCU callbakcs
queued and triggered some problems in certain proprietary graphics
driver (and elsewhere). The fix replaces synchronize_rcu() in that
code with synchronize_rcu_expedited() which makes the issue go
away. From Konstantin Khlebnikov.
- ACPI LPSS (Low-Power Subsystem) driver fix to handle power
management of the DMA engine included into the LPSS correctly. The
problem is that the DMA engine doesn't have ACPI PM support of its
own and it simply is turned off when the last LPSS device having
ACPI PM support goes into D3cold. To work around that, the PM
domain used by the ACPI LPSS driver is redesigned so at least one
device with ACPI PM support will be on as long as the DMA engine is
in use. From Andy Shevchenko.
- ACPI backlight driver fix to avoid using it on "Win8-compatible"
systems where it doesn't work and where it was used by default by
mistake (Aaron Lu).
- Assorted minor ACPI core fixes and cleanups from Tomasz Nowicki,
Sudeep Holla, Huang Rui, Hanjun Guo, Fabian Frederick, and Ashwin
Chaugule (mostly related to the upcoming ARM64 support).
- Intel RAPL (Running Average Power Limit) power capping driver fixes
and improvements including new processor IDs (Jacob Pan).
- Generic power domains modification to power up domains after
attaching devices to them to meet the expectations of device
drivers and bus types assuming devices to be accessible at probe
time (Ulf Hansson).
- Preliminary support for controlling device clocks from the generic
power domains core code and modifications of the ARM/shmobile
platform to use that feature (Ulf Hansson).
- Assorted minor fixes and cleanups of the generic power domains core
code (Ulf Hansson, Geert Uytterhoeven).
- Assorted minor fixes and cleanups of the device clocks control code
in the PM core (Geert Uytterhoeven, Grygorii Strashko).
- Consolidation of device power management Kconfig options by making
CONFIG_PM_SLEEP select CONFIG_PM_RUNTIME and removing the latter
which is now redundant (Rafael J Wysocki and Kevin Hilman). That
is the first batch of the changes needed for this purpose.
- Core device runtime power management support code cleanup related
to the execution of callbacks (Andrzej Hajda).
- cpuidle ARM support improvements (Lorenzo Pieralisi).
- cpuidle cleanup related to the CPUIDLE_FLAG_TIME_VALID flag and a
new MAINTAINERS entry for ARM Exynos cpuidle (Daniel Lezcano and
Bartlomiej Zolnierkiewicz).
- New cpufreq driver callback (->ready) to be executed when the
cpufreq core is ready to use a given policy object and cpufreq-dt
driver modification to use that callback for cooling device
registration (Viresh Kumar).
- cpufreq core fixes and cleanups (Viresh Kumar, Vince Hsu, James
Geboski, Tomeu Vizoso).
- Assorted fixes and cleanups in the cpufreq-pcc, intel_pstate,
cpufreq-dt, pxa2xx cpufreq drivers (Lenny Szubowicz, Ethan Zhao,
Stefan Wahren, Petr Cvek).
- OPP (Operating Performance Points) framework modification to allow
OPPs to be removed too and update of a few cpufreq drivers
(cpufreq-dt, exynos5440, imx6q, cpufreq) to remove OPPs (added
during initialization) on driver removal (Viresh Kumar).
- Hibernation core fixes and cleanups (Tina Ruchandani and Markus
Elfring).
- PM Kconfig fix related to CPU power management (Pankaj Dubey).
- cpupower tool fix (Prarit Bhargava)"
* tag 'pm+acpi-3.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (120 commits)
i2c-omap / PM: Drop CONFIG_PM_RUNTIME from i2c-omap.c
dmaengine / PM: Replace CONFIG_PM_RUNTIME with CONFIG_PM
tools: cpupower: fix return checks for sysfs_get_idlestate_count()
drivers: sh / PM: Replace CONFIG_PM_RUNTIME with CONFIG_PM
e1000e / igb / PM: Eliminate CONFIG_PM_RUNTIME
MMC / PM: Replace CONFIG_PM_RUNTIME with CONFIG_PM
MFD / PM: Replace CONFIG_PM_RUNTIME with CONFIG_PM
misc / PM: Replace CONFIG_PM_RUNTIME with CONFIG_PM
media / PM: Replace CONFIG_PM_RUNTIME with CONFIG_PM
input / PM: Replace CONFIG_PM_RUNTIME with CONFIG_PM
leds: leds-gpio: Fix multiple instances registration without 'label' property
iio / PM: Replace CONFIG_PM_RUNTIME with CONFIG_PM
hsi / OMAP / PM: Replace CONFIG_PM_RUNTIME with CONFIG_PM
i2c-hid / PM: Replace CONFIG_PM_RUNTIME with CONFIG_PM
drm / exynos / PM: Replace CONFIG_PM_RUNTIME with CONFIG_PM
gpio / PM: Replace CONFIG_PM_RUNTIME with CONFIG_PM
hwrandom / exynos / PM: Use CONFIG_PM in #ifdef
block / PM: Replace CONFIG_PM_RUNTIME with CONFIG_PM
USB / PM: Drop CONFIG_PM_RUNTIME from the USB core
PM: Merge the SET*_RUNTIME_PM_OPS() macros
...
|
||
|
Linus Torvalds
|
350e4f4985 |
This code is a fork from the trace-3.19 pull as it needed the trace_seq
clean ups from that branch.
This code solves the issue of performing stack dumps from NMI context.
The issue is that printk() is not safe from NMI context as if the NMI
were to trigger when a printk() was being performed, the NMI could
deadlock from the printk() internal locks. This has been seen in practice.
With lots of review from Petr Mladek, this code went through several
iterations, and we feel that it is now at a point of quality to be
accepted into mainline.
Here's what is contained in this patch set:
o Creates a "seq_buf" generic buffer utility that allows a descriptor
to be passed around where functions can write their own "printk()"
formatted strings into it. The generic version was pulled out of
the trace_seq() code that was made specifically for tracing.
o The seq_buf code was change to model the seq_file code. I have
a patch (not included for 3.19) that converts the seq_file.c code
over to use seq_buf.c like the trace_seq.c code does. This was done
to make sure that seq_buf.c is compatible with seq_file.c. I may
try to get that patch in for 3.20.
o The seq_buf.c file was moved to lib/ to remove it from being dependent
on CONFIG_TRACING.
o The printk() was updated to allow for a per_cpu "override" of
the internal calls. That is, instead of writing to the console, a call
to printk() may do something else. This made it easier to allow the
NMI to change what printk() does in order to call dump_stack() without
needing to update that code as well.
o Finally, the dump_stack from all CPUs via NMI code was converted to
use the seq_buf code. The caller to trigger the NMI code would wait
till all the NMIs finished, and then it would print the seq_buf
data to the console safely from a non NMI context.
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Merge tag 'trace-seq-buf-3.19' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace
Pull nmi-safe seq_buf printk update from Steven Rostedt:
"This code is a fork from the trace-3.19 pull as it needed the
trace_seq clean ups from that branch.
This code solves the issue of performing stack dumps from NMI context.
The issue is that printk() is not safe from NMI context as if the NMI
were to trigger when a printk() was being performed, the NMI could
deadlock from the printk() internal locks. This has been seen in
practice.
With lots of review from Petr Mladek, this code went through several
iterations, and we feel that it is now at a point of quality to be
accepted into mainline.
Here's what is contained in this patch set:
- Creates a "seq_buf" generic buffer utility that allows a descriptor
to be passed around where functions can write their own "printk()"
formatted strings into it. The generic version was pulled out of
the trace_seq() code that was made specifically for tracing.
- The seq_buf code was change to model the seq_file code. I have a
patch (not included for 3.19) that converts the seq_file.c code
over to use seq_buf.c like the trace_seq.c code does. This was
done to make sure that seq_buf.c is compatible with seq_file.c. I
may try to get that patch in for 3.20.
- The seq_buf.c file was moved to lib/ to remove it from being
dependent on CONFIG_TRACING.
- The printk() was updated to allow for a per_cpu "override" of the
internal calls. That is, instead of writing to the console, a call
to printk() may do something else. This made it easier to allow
the NMI to change what printk() does in order to call dump_stack()
without needing to update that code as well.
- Finally, the dump_stack from all CPUs via NMI code was converted to
use the seq_buf code. The caller to trigger the NMI code would
wait till all the NMIs finished, and then it would print the
seq_buf data to the console safely from a non NMI context
One added bonus is that this code also makes the NMI dump stack work
on PREEMPT_RT kernels. As printk() includes sleeping locks on
PREEMPT_RT, printk() only writes to console if the console does not
use any rt_mutex converted spin locks. Which a lot do"
* tag 'trace-seq-buf-3.19' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace:
x86/nmi: Fix use of unallocated cpumask_var_t
printk/percpu: Define printk_func when printk is not defined
x86/nmi: Perform a safe NMI stack trace on all CPUs
printk: Add per_cpu printk func to allow printk to be diverted
seq_buf: Move the seq_buf code to lib/
seq-buf: Make seq_buf_bprintf() conditional on CONFIG_BINARY_PRINTF
tracing: Add seq_buf_get_buf() and seq_buf_commit() helper functions
tracing: Have seq_buf use full buffer
seq_buf: Add seq_buf_can_fit() helper function
tracing: Add paranoid size check in trace_printk_seq()
tracing: Use trace_seq_used() and seq_buf_used() instead of len
tracing: Clean up tracing_fill_pipe_page()
seq_buf: Create seq_buf_used() to find out how much was written
tracing: Add a seq_buf_clear() helper and clear len and readpos in init
tracing: Convert seq_buf fields to be like seq_file fields
tracing: Convert seq_buf_path() to be like seq_path()
tracing: Create seq_buf layer in trace_seq
|
||
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Linus Torvalds
|
1dd7dcb6ea |
There was a lot of clean ups and minor fixes. One of those clean ups was
to the trace_seq code. It also removed the return values to the
trace_seq_*() functions and use trace_seq_has_overflowed() to see if
the buffer filled up or not. This is similar to work being done to the
seq_file code as well in another tree.
Some of the other goodies include:
o Added some "!" (NOT) logic to the tracing filter.
o Fixed the frame pointer logic to the x86_64 mcount trampolines
o Added the logic for dynamic trampolines on !CONFIG_PREEMPT systems.
That is, the ftrace trampoline can be dynamically allocated
and be called directly by functions that only have a single hook
to them.
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Merge tag 'trace-3.19' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace
Pull tracing updates from Steven Rostedt:
"There was a lot of clean ups and minor fixes. One of those clean ups
was to the trace_seq code. It also removed the return values to the
trace_seq_*() functions and use trace_seq_has_overflowed() to see if
the buffer filled up or not. This is similar to work being done to
the seq_file code as well in another tree.
Some of the other goodies include:
- Added some "!" (NOT) logic to the tracing filter.
- Fixed the frame pointer logic to the x86_64 mcount trampolines
- Added the logic for dynamic trampolines on !CONFIG_PREEMPT systems.
That is, the ftrace trampoline can be dynamically allocated and be
called directly by functions that only have a single hook to them"
* tag 'trace-3.19' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace: (55 commits)
tracing: Truncated output is better than nothing
tracing: Add additional marks to signal very large time deltas
Documentation: describe trace_buf_size parameter more accurately
tracing: Allow NOT to filter AND and OR clauses
tracing: Add NOT to filtering logic
ftrace/fgraph/x86: Have prepare_ftrace_return() take ip as first parameter
ftrace/x86: Get rid of ftrace_caller_setup
ftrace/x86: Have save_mcount_regs macro also save stack frames if needed
ftrace/x86: Add macro MCOUNT_REG_SIZE for amount of stack used to save mcount regs
ftrace/x86: Simplify save_mcount_regs on getting RIP
ftrace/x86: Have save_mcount_regs store RIP in %rdi for first parameter
ftrace/x86: Rename MCOUNT_SAVE_FRAME and add more detailed comments
ftrace/x86: Move MCOUNT_SAVE_FRAME out of header file
ftrace/x86: Have static tracing also use ftrace_caller_setup
ftrace/x86: Have static function tracing always test for function graph
kprobes: Add IPMODIFY flag to kprobe_ftrace_ops
ftrace, kprobes: Support IPMODIFY flag to find IP modify conflict
kprobes/ftrace: Recover original IP if pre_handler doesn't change it
tracing/trivial: Fix typos and make an int into a bool
tracing: Deletion of an unnecessary check before iput()
...
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Linus Torvalds
|
b6da0076ba |
Merge branch 'akpm' (patchbomb from Andrew)
Merge first patchbomb from Andrew Morton: - a few minor cifs fixes - dma-debug upadtes - ocfs2 - slab - about half of MM - procfs - kernel/exit.c - panic.c tweaks - printk upates - lib/ updates - checkpatch updates - fs/binfmt updates - the drivers/rtc tree - nilfs - kmod fixes - more kernel/exit.c - various other misc tweaks and fixes * emailed patches from Andrew Morton <akpm@linux-foundation.org>: (190 commits) exit: pidns: fix/update the comments in zap_pid_ns_processes() exit: pidns: alloc_pid() leaks pid_namespace if child_reaper is exiting exit: exit_notify: re-use "dead" list to autoreap current exit: reparent: call forget_original_parent() under tasklist_lock exit: reparent: avoid find_new_reaper() if no children exit: reparent: introduce find_alive_thread() exit: reparent: introduce find_child_reaper() exit: reparent: document the ->has_child_subreaper checks exit: reparent: s/while_each_thread/for_each_thread/ in find_new_reaper() exit: reparent: fix the cross-namespace PR_SET_CHILD_SUBREAPER reparenting exit: reparent: fix the dead-parent PR_SET_CHILD_SUBREAPER reparenting exit: proc: don't try to flush /proc/tgid/task/tgid exit: release_task: fix the comment about group leader accounting exit: wait: drop tasklist_lock before psig->c* accounting exit: wait: don't use zombie->real_parent exit: wait: cleanup the ptrace_reparented() checks usermodehelper: kill the kmod_thread_locker logic usermodehelper: don't use CLONE_VFORK for ____call_usermodehelper() fs/hfs/catalog.c: fix comparison bug in hfs_cat_keycmp nilfs2: fix the nilfs_iget() vs. nilfs_new_inode() races ... |
||
Johan Hovold
|
094d3ee3ce |
rtc: omap: drop vendor-prefix from power-controller dt property
Drop the vendor-prefix from the "ti,system-power-controller" device-tree property name. It has been agreed to make "system-power-controller" a standard property and to drop the vendor-prefix that is currently used by several drivers. Note that drivers that have used "<vendor>,system-power-controller" in a released kernel will need to support both versions. Signed-off-by: Johan Hovold <johan@kernel.org> Cc: Tony Lindgren <tony@atomide.com> Cc: Benot Cousson <bcousson@baylibre.com> Cc: Alessandro Zummo <a.zummo@towertech.it> Cc: Felipe Balbi <balbi@ti.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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Johan Hovold
|
672e2b1474 |
ARM: dts: am335x-boneblack: enable power off and rtc wake up
Configure the RTC as system-power controller, which allows the system to be powered off as well as woken up again on subsequent RTC alarms. Note that the PMIC needs to be put in SLEEP (rather than OFF) mode to maintain RTC power. Specifically, this means that the PMIC ti,pmic-shutdown-controller property must be left unset in order to be able to wake up on RTC alarms. Tested on BeagleBone Black (rev A5). Signed-off-by: Johan Hovold <johan@kernel.org> Reviewed-by: Felipe Balbi <balbi@ti.com> Tested-by: Felipe Balbi <balbi@ti.com> Cc: Alessandro Zummo <a.zummo@towertech.it> Cc: Tony Lindgren <tony@atomide.com> Cc: Benot Cousson <bcousson@baylibre.com> Cc: Lokesh Vutla <lokeshvutla@ti.com> Cc: Guenter Roeck <linux@roeck-us.net> Cc: Sekhar Nori <nsekhar@ti.com> Cc: Tero Kristo <t-kristo@ti.com> Cc: Keerthy J <j-keerthy@ti.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
||
|
Johan Hovold
|
6ac7b4a289 |
ARM: dts: am33xx: update rtc-node compatible property
Enable am33xx specific RTC features (e.g. PMIC control) by adding "ti,am3352-rtc" to the compatible property of the rtc node. Signed-off-by: Johan Hovold <johan@kernel.org> Reviewed-by: Felipe Balbi <balbi@ti.com> Tested-by: Felipe Balbi <balbi@ti.com> Cc: Alessandro Zummo <a.zummo@towertech.it> Cc: Tony Lindgren <tony@atomide.com> Cc: Benot Cousson <bcousson@baylibre.com> Cc: Lokesh Vutla <lokeshvutla@ti.com> Cc: Guenter Roeck <linux@roeck-us.net> Cc: Sekhar Nori <nsekhar@ti.com> Cc: Tero Kristo <t-kristo@ti.com> Cc: Keerthy J <j-keerthy@ti.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
||
Joe Perches
|
f80e696854 |
tile: use pr_warn instead of pr_warning
Use the more common pr_warn. Coalesce formats, realign arguments. Signed-off-by: Joe Perches <joe@perches.com> Acked-by: Chris Metcalf <cmetcalf@tilera.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
||
|
Joe Perches
|
4b3ed61485 |
tile: neaten early_printk uses
Coalesce the formats and align arguments. Signed-off-by: Joe Perches <joe@perches.com> Acked-by: Chris Metcalf <cmetcalf@tilera.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
||
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Joe Perches
|
1dc6244bd6 |
printk: remove used-once early_vprintk
Eliminate the unlikely possibility of message interleaving for early_printk/early_vprintk use. early_vprintk can be done via the %pV extension so remove this unnecessary function and change early_printk to have the equivalent vprintk code. All uses of early_printk already end with a newline so also remove the unnecessary newline from the early_printk function. Signed-off-by: Joe Perches <joe@perches.com> Acked-by: Chris Metcalf <cmetcalf@tilera.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
||
Yann Droneaud
|
6b9cdf39c8 |
ppc/cell: replace get_unused_fd() with get_unused_fd_flags(0)
This patch replaces calls to get_unused_fd() with equivalent call to get_unused_fd_flags(0) to preserve current behavor for existing code. In a further patch, get_unused_fd() will be removed so that new code start using get_unused_fd_flags(), with the hope O_CLOEXEC could be used, either by default or choosen by userspace. Signed-off-by: Yann Droneaud <ydroneaud@opteya.com> Cc: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
||
|
Yann Droneaud
|
aeb682dd18 |
ia64: replace get_unused_fd() with get_unused_fd_flags(0)
This patch replaces calls to get_unused_fd() with equivalent call to get_unused_fd_flags(0) to preserve current behavor for existing code. In a further patch, get_unused_fd() will be removed so that new code start using get_unused_fd_flags(), with the hope O_CLOEXEC could be used, either by default or choosen by userspace. Signed-off-by: Yann Droneaud <ydroneaud@opteya.com> Cc: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
||
Kirill A. Shutemov
|
c164e038ee |
mm: fix huge zero page accounting in smaps report
As a small zero page, huge zero page should not be accounted in smaps report as normal page. For small pages we rely on vm_normal_page() to filter out zero page, but vm_normal_page() is not designed to handle pmds. We only get here due hackish cast pmd to pte in smaps_pte_range() -- pte and pmd format is not necessary compatible on each and every architecture. Let's add separate codepath to handle pmds. follow_trans_huge_pmd() will detect huge zero page for us. We would need pmd_dirty() helper to do this properly. The patch adds it to THP-enabled architectures which don't yet have one. [akpm@linux-foundation.org: use do_div to fix 32-bit build] Signed-off-by: "Kirill A. Shutemov" <kirill@shutemov.name> Reported-by: Fengguang Wu <fengguang.wu@intel.com> Tested-by: Fengwei Yin <yfw.kernel@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
||
Dan Carpenter
|
ded0014274 |
sh: off by one BUG_ON() in setup_bootmem_node()
This off by one bug is harmless but it upsets the static checkers and the
code is obvious so it doesn't hurt to fix it. The Smatch warning is:
arch/sh/mm/numa.c:47 setup_bootmem_node()
error: buffer overflow 'node_data' 1024 <= 1024
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Cc: Paul Mundt <lethal@linux-sh.org>
Acked-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
|
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Linus Torvalds
|
cbfe0de303 |
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
Pull VFS changes from Al Viro:
"First pile out of several (there _definitely_ will be more). Stuff in
this one:
- unification of d_splice_alias()/d_materialize_unique()
- iov_iter rewrite
- killing a bunch of ->f_path.dentry users (and f_dentry macro).
Getting that completed will make life much simpler for
unionmount/overlayfs, since then we'll be able to limit the places
sensitive to file _dentry_ to reasonably few. Which allows to have
file_inode(file) pointing to inode in a covered layer, with dentry
pointing to (negative) dentry in union one.
Still not complete, but much closer now.
- crapectomy in lustre (dead code removal, mostly)
- "let's make seq_printf return nothing" preparations
- assorted cleanups and fixes
There _definitely_ will be more piles"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs: (63 commits)
copy_from_iter_nocache()
new helper: iov_iter_kvec()
csum_and_copy_..._iter()
iov_iter.c: handle ITER_KVEC directly
iov_iter.c: convert copy_to_iter() to iterate_and_advance
iov_iter.c: convert copy_from_iter() to iterate_and_advance
iov_iter.c: get rid of bvec_copy_page_{to,from}_iter()
iov_iter.c: convert iov_iter_zero() to iterate_and_advance
iov_iter.c: convert iov_iter_get_pages_alloc() to iterate_all_kinds
iov_iter.c: convert iov_iter_get_pages() to iterate_all_kinds
iov_iter.c: convert iov_iter_npages() to iterate_all_kinds
iov_iter.c: iterate_and_advance
iov_iter.c: macros for iterating over iov_iter
kill f_dentry macro
dcache: fix kmemcheck warning in switch_names
new helper: audit_file()
nfsd_vfs_write(): use file_inode()
ncpfs: use file_inode()
kill f_dentry uses
lockd: get rid of ->f_path.dentry->d_sb
...
|
||
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Linus Torvalds
|
3a5dc1fafb |
Merge branch 'x86-microcode-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 microcode loading updates from Ingo Molnar:
"The main changes in this cycle are:
- Reload microcode when resuming and the case when only the early
loader has been utilized. (Borislav Petkov)
- Also, do not load the driver on paravirt guests. (Boris
Ostrovsky)"
* 'x86-microcode-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/microcode/intel: Fish out the stashed microcode for the BSP
x86, microcode: Reload microcode on resume
x86, microcode: Don't initialize microcode code on paravirt
x86, microcode, intel: Drop unused parameter
x86, microcode, AMD: Do not use smp_processor_id() in preemtible context
|
||
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Linus Torvalds
|
3100e448e7 |
Merge branch 'x86-vdso-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 vdso updates from Ingo Molnar: "Various vDSO updates from Andy Lutomirski, mostly cleanups and reorganization to improve maintainability, but also some micro-optimizations and robustization changes" * 'x86-vdso-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86_64/vsyscall: Restore orig_ax after vsyscall seccomp x86_64: Add a comment explaining the TASK_SIZE_MAX guard page x86_64,vsyscall: Make vsyscall emulation configurable x86_64, vsyscall: Rewrite comment and clean up headers in vsyscall code x86_64, vsyscall: Turn vsyscalls all the way off when vsyscall==none x86,vdso: Use LSL unconditionally for vgetcpu x86: vdso: Fix build with older gcc x86_64/vdso: Clean up vgetcpu init and merge the vdso initcalls x86_64/vdso: Remove jiffies from the vvar page x86/vdso: Make the PER_CPU segment 32 bits x86/vdso: Make the PER_CPU segment start out accessed x86/vdso: Change the PER_CPU segment to use struct desc_struct x86_64/vdso: Move getcpu code from vsyscall_64.c to vdso/vma.c x86_64/vsyscall: Move all of the gate_area code to vsyscall_64.c |
||
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Linus Torvalds
|
c9f861c772 |
Merge branch 'x86-ras-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 RAS update from Ingo Molnar:
"The biggest change in this cycle is better support for UCNA
(UnCorrected No Action) events:
"Handle all uncorrected error reports in the same way (soft
offline the page). We used to only do that for SRAO
(software recoverable action optional) machine checks, but
it makes sense to also do it for UCNA (UnCorrected No
Action) logs found by CMCI or polling."
plus various x86 MCE handling updates and fixes"
* 'x86-ras-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/mce: Spell "panicked" correctly
x86, mce: Support memory error recovery for both UCNA and Deferred error in machine_check_poll
x86, mce, severity: Extend the the mce_severity mechanism to handle UCNA/DEFERRED error
x86, MCE, AMD: Assign interrupt handler only when bank supports it
x86, MCE, AMD: Drop software-defined bank in error thresholding
x86, MCE, AMD: Move invariant code out from loop body
x86, MCE, AMD: Correct thresholding error logging
x86, MCE, AMD: Use macros to compute bank MSRs
RAS, HWPOISON: Fix wrong error recovery status
GHES: Make ghes_estatus_caches static
APEI, GHES: Cleanup unnecessary function for lockless list
|
||
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Linus Torvalds
|
a023748d53 |
Merge branch 'x86-mm-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 mm tree changes from Ingo Molnar:
"The biggest change is full PAT support from Jürgen Gross:
The x86 architecture offers via the PAT (Page Attribute Table) a
way to specify different caching modes in page table entries. The
PAT MSR contains 8 entries each specifying one of 6 possible cache
modes. A pte references one of those entries via 3 bits:
_PAGE_PAT, _PAGE_PWT and _PAGE_PCD.
The Linux kernel currently supports only 4 different cache modes.
The PAT MSR is set up in a way that the setting of _PAGE_PAT in a
pte doesn't matter: the top 4 entries in the PAT MSR are the same
as the 4 lower entries.
This results in the kernel not supporting e.g. write-through mode.
Especially this cache mode would speed up drivers of video cards
which now have to use uncached accesses.
OTOH some old processors (Pentium) don't support PAT correctly and
the Xen hypervisor has been using a different PAT MSR configuration
for some time now and can't change that as this setting is part of
the ABI.
This patch set abstracts the cache mode from the pte and introduces
tables to translate between cache mode and pte bits (the default
cache mode "write back" is hard-wired to PAT entry 0). The tables
are statically initialized with values being compatible to old
processors and current usage. As soon as the PAT MSR is changed
(or - in case of Xen - is read at boot time) the tables are changed
accordingly. Requests of mappings with special cache modes are
always possible now, in case they are not supported there will be a
fallback to a compatible but slower mode.
Summing it up, this patch set adds the following features:
- capability to support WT and WP cache modes on processors with
full PAT support
- processors with no or uncorrect PAT support are still working as
today, even if WT or WP cache mode are selected by drivers for
some pages
- reduction of Xen special handling regarding cache mode
Another change is a boot speedup on ridiculously large RAM systems,
plus other smaller fixes"
* 'x86-mm-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (22 commits)
x86: mm: Move PAT only functions to mm/pat.c
xen: Support Xen pv-domains using PAT
x86: Enable PAT to use cache mode translation tables
x86: Respect PAT bit when copying pte values between large and normal pages
x86: Support PAT bit in pagetable dump for lower levels
x86: Clean up pgtable_types.h
x86: Use new cache mode type in memtype related functions
x86: Use new cache mode type in mm/ioremap.c
x86: Use new cache mode type in setting page attributes
x86: Remove looking for setting of _PAGE_PAT_LARGE in pageattr.c
x86: Use new cache mode type in track_pfn_remap() and track_pfn_insert()
x86: Use new cache mode type in mm/iomap_32.c
x86: Use new cache mode type in asm/pgtable.h
x86: Use new cache mode type in arch/x86/mm/init_64.c
x86: Use new cache mode type in arch/x86/pci
x86: Use new cache mode type in drivers/video/fbdev/vermilion
x86: Use new cache mode type in drivers/video/fbdev/gbefb.c
x86: Use new cache mode type in include/asm/fb.h
x86: Make page cache mode a real type
x86: mm: Use 2GB memory block size on large-memory x86-64 systems
...
|
||
|
Linus Torvalds
|
773fed910d |
Merge branches 'x86-platform-for-linus' and 'x86-uv-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 platform changes from Ingo Molnar: "A handful of numachip APIC driver updates/fixes, and two small SGI/UV fixes" * 'x86-platform-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86: numachip: APIC driver cleanups x86: numachip: Elide self-IPI ICR polling x86: numachip: Fix 16-bit APIC ID truncation * 'x86-uv-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86: UV BAU: Increase maximum CPUs per socket/hub x86: UV BAU: Avoid NULL pointer reference in ptc_seq_show |
||
|
Linus Torvalds
|
8139548136 |
Merge branch 'x86-efi-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull EFI updates from Ingo Molnar:
"Changes in this cycle are:
- support module unload for efivarfs (Mathias Krause)
- another attempt at moving x86 to libstub taking advantage of the
__pure attribute (Ard Biesheuvel)
- add EFI runtime services section to ptdump (Mathias Krause)"
* 'x86-efi-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86, ptdump: Add section for EFI runtime services
efi/x86: Move x86 back to libstub
efivarfs: Allow unloading when build as module
|
||
|
Linus Torvalds
|
206f18f2ca |
Merge branches 'x86-build-for-linus', 'x86-cleanups-for-linus' and 'x86-debug-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 build, cleanup and defconfig updates from Ingo Molnar: "A single minor build change to suppress a repetitive build messages, misc cleanups and a defconfig update" * 'x86-build-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/purgatory, build: Suppress kexec-purgatory.c is up to date message * 'x86-cleanups-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86, CPU, AMD: Move K8 TLB flush filter workaround to K8 code x86, espfix: Remove stale ptemask x86, msr: Use seek definitions instead of hard-coded values x86, msr: Convert printk to pr_foo() x86, msr: Use PTR_ERR_OR_ZERO x86/simplefb: Use PTR_ERR_OR_ZERO x86/sysfb: Use PTR_ERR_OR_ZERO x86, cpuid: Use PTR_ERR_OR_ZERO * 'x86-debug-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/kconfig/defconfig: Enable CONFIG_FHANDLE=y |
||
|
Linus Torvalds
|
b6444bd0a1 |
Merge branch 'x86-boot-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 boot and percpu updates from Ingo Molnar: "This tree contains a bootable images documentation update plus three slightly misplaced x86/asm percpu changes/optimizations" * 'x86-boot-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86-64: Use RIP-relative addressing for most per-CPU accesses x86-64: Handle PC-relative relocations on per-CPU data x86: Convert a few more per-CPU items to read-mostly ones x86, boot: Document intermediates more clearly |
||
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Linus Torvalds
|
9d0cf6f564 |
Merge branch 'x86-asm-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 asm updates from Ingo Molnar: "Misc changes: - context switch micro-optimization - debug printout micro-optimization - comment enhancements and typo fix" * 'x86-asm-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86: Replace seq_printf() with seq_puts() x86/asm: Fix typo in arch/x86/kernel/asm_offset_64.c sched/x86: Add a comment clarifying LDT context switching sched/x86_64: Don't save flags on context switch |
||
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Linus Torvalds
|
3eb5b893eb |
Merge branch 'x86-mpx-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 MPX support from Thomas Gleixner: "This enables support for x86 MPX. MPX is a new debug feature for bound checking in user space. It requires kernel support to handle the bound tables and decode the bound violating instruction in the trap handler" * 'x86-mpx-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: asm-generic: Remove asm-generic arch_bprm_mm_init() mm: Make arch_unmap()/bprm_mm_init() available to all architectures x86: Cleanly separate use of asm-generic/mm_hooks.h x86 mpx: Change return type of get_reg_offset() fs: Do not include mpx.h in exec.c x86, mpx: Add documentation on Intel MPX x86, mpx: Cleanup unused bound tables x86, mpx: On-demand kernel allocation of bounds tables x86, mpx: Decode MPX instruction to get bound violation information x86, mpx: Add MPX-specific mmap interface x86, mpx: Introduce VM_MPX to indicate that a VMA is MPX specific x86, mpx: Add MPX to disabled features ia64: Sync struct siginfo with general version mips: Sync struct siginfo with general version mpx: Extend siginfo structure to include bound violation information x86, mpx: Rename cfg_reg_u and status_reg x86: mpx: Give bndX registers actual names x86: Remove arbitrary instruction size limit in instruction decoder |
||
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Linus Torvalds
|
9e66645d72 |
Merge branch 'irq-irqdomain-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull irq domain updates from Thomas Gleixner:
"The real interesting irq updates:
- Support for hierarchical irq domains:
For complex interrupt routing scenarios where more than one
interrupt related chip is involved we had no proper representation
in the generic interrupt infrastructure so far. That made people
implement rather ugly constructs in their nested irq chip
implementations. The main offenders are x86 and arm/gic.
To distangle that mess we have now hierarchical irqdomains which
seperate the various interrupt chips and connect them via the
hierarchical domains. That keeps the domain specific details
internal to the particular hierarchy level and removes the
criss/cross referencing of chip internals. The resulting hierarchy
for a complex x86 system will look like this:
vector mapped: 74
msi-0 mapped: 2
dmar-ir-1 mapped: 69
ioapic-1 mapped: 4
ioapic-0 mapped: 20
pci-msi-2 mapped: 45
dmar-ir-0 mapped: 3
ioapic-2 mapped: 1
pci-msi-1 mapped: 2
htirq mapped: 0
Neither ioapic nor pci-msi know about the dmar interrupt remapping
between themself and the vector domain. If interrupt remapping is
disabled ioapic and pci-msi become direct childs of the vector
domain.
In hindsight we should have done that years ago, but in hindsight
we always know better :)
- Support for generic MSI interrupt domain handling
We have more and more non PCI related MSI interrupts, so providing
a generic infrastructure for this is better than having all
affected architectures implementing their own private hacks.
- Support for PCI-MSI interrupt domain handling, based on the generic
MSI support.
This part carries the pci/msi branch from Bjorn Helgaas pci tree to
avoid a massive conflict. The PCI/MSI parts are acked by Bjorn.
I have two more branches on top of this. The full conversion of x86
to hierarchical domains and a partial conversion of arm/gic"
* 'irq-irqdomain-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (41 commits)
genirq: Move irq_chip_write_msi_msg() helper to core
PCI/MSI: Allow an msi_controller to be associated to an irq domain
PCI/MSI: Provide mechanism to alloc/free MSI/MSIX interrupt from irqdomain
PCI/MSI: Enhance core to support hierarchy irqdomain
PCI/MSI: Move cached entry functions to irq core
genirq: Provide default callbacks for msi_domain_ops
genirq: Introduce msi_domain_alloc/free_irqs()
asm-generic: Add msi.h
genirq: Add generic msi irq domain support
genirq: Introduce callback irq_chip.irq_write_msi_msg
genirq: Work around __irq_set_handler vs stacked domains ordering issues
irqdomain: Introduce helper function irq_domain_add_hierarchy()
irqdomain: Implement a method to automatically call parent domains alloc/free
genirq: Introduce helper irq_domain_set_info() to reduce duplicated code
genirq: Split out flow handler typedefs into seperate header file
genirq: Add IRQ_SET_MASK_OK_DONE to support stacked irqchip
genirq: Introduce irq_chip.irq_compose_msi_msg() to support stacked irqchip
genirq: Add more helper functions to support stacked irq_chip
genirq: Introduce helper functions to support stacked irq_chip
irqdomain: Do irq_find_mapping and set_type for hierarchy irqdomain in case OF
...
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Linus Torvalds
|
ecb50f0afd |
Merge branch 'irq-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull irq core updates from Thomas Gleixner:
"This is the first (boring) part of irq updates:
- support for big endian I/O accessors in the generic irq chip
- cleanup of brcmstb/bcm7120 drivers so they can be reused for non
ARM SoCs
- the usual pile of fixes and updates for the various ARM irq chips"
* 'irq-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (25 commits)
irqchip: dw-apb-ictl: Add PM support
irqchip: dw-apb-ictl: Enable IRQ_GC_MASK_CACHE_PER_TYPE
irqchip: dw-apb-ictl: Always use use {readl|writel}_relaxed
ARM: orion: convert the irq_reg_{readl,writel} calls to the new API
irqchip: atmel-aic: Add missing entry for rm9200 irq fixups
irqchip: atmel-aic: Rename at91sam9_aic_irq_fixup for naming consistency
irqchip: atmel-aic: Add specific irq fixup function for sam9g45 and sam9rl
irqchip: atmel-aic: Add irq fixups for at91sam926x SoCs
irqchip: atmel-aic: Add irq fixup for RTT block
irqchip: brcmstb-l2: Convert driver to use irq_reg_{readl,writel}
irqchip: bcm7120-l2: Convert driver to use irq_reg_{readl,writel}
irqchip: bcm7120-l2: Decouple driver from brcmstb-l2
irqchip: bcm7120-l2: Extend driver to support 64+ bit controllers
irqchip: bcm7120-l2: Use gc->mask_cache to simplify suspend/resume functions
irqchip: bcm7120-l2: Fix missing nibble in gc->unused mask
irqchip: bcm7120-l2: Make sure all register accesses use base+offset
irqchip: bcm7120-l2, brcmstb-l2: Remove ARM Kconfig dependency
irqchip: bcm7120-l2: Eliminate bad IRQ check
irqchip: brcmstb-l2: Eliminate dependency on ARM code
genirq: Generic chip: Add big endian I/O accessors
...
|
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Borislav Petkov
|
25cdb9c868 |
x86/microcode/intel: Fish out the stashed microcode for the BSP
I'm such a moron! The simple solution of saving the BSP patch for use on resume was too simple (and wrong!), hint: sizeof(struct microcode_intel). What needs to be done instead is to fish out the microcode patch we have stashed previously and apply that on the BSP in case the late loader hasn't been utilized. So do that instead. Signed-off-by: Borislav Petkov <bp@suse.de> Cc: Linus Torvalds <torvalds@linux-foundation.org> Link: http://lkml.kernel.org/r/20141208110820.GB20057@pd.tnic Signed-off-by: Ingo Molnar <mingo@kernel.org> |
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Linus Torvalds
|
86c6a2fddf |
Merge branch 'sched-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull scheduler updates from Ingo Molnar:
"The main changes in this cycle are:
- 'Nested Sleep Debugging', activated when CONFIG_DEBUG_ATOMIC_SLEEP=y.
This instruments might_sleep() checks to catch places that nest
blocking primitives - such as mutex usage in a wait loop. Such
bugs can result in hard to debug races/hangs.
Another category of invalid nesting that this facility will detect
is the calling of blocking functions from within schedule() ->
sched_submit_work() -> blk_schedule_flush_plug().
There's some potential for false positives (if secondary blocking
primitives themselves are not ready yet for this facility), but the
kernel will warn once about such bugs per bootup, so the warning
isn't much of a nuisance.
This feature comes with a number of fixes, for problems uncovered
with it, so no messages are expected normally.
- Another round of sched/numa optimizations and refinements, for
CONFIG_NUMA_BALANCING=y.
- Another round of sched/dl fixes and refinements.
Plus various smaller fixes and cleanups"
* 'sched-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (54 commits)
sched: Add missing rcu protection to wake_up_all_idle_cpus
sched/deadline: Introduce start_hrtick_dl() for !CONFIG_SCHED_HRTICK
sched/numa: Init numa balancing fields of init_task
sched/deadline: Remove unnecessary definitions in cpudeadline.h
sched/cpupri: Remove unnecessary definitions in cpupri.h
sched/deadline: Fix rq->dl.pushable_tasks bug in push_dl_task()
sched/fair: Fix stale overloaded status in the busiest group finding logic
sched: Move p->nr_cpus_allowed check to select_task_rq()
sched/completion: Document when to use wait_for_completion_io_*()
sched: Update comments about CLONE_NEWUTS and CLONE_NEWIPC
sched/fair: Kill task_struct::numa_entry and numa_group::task_list
sched: Refactor task_struct to use numa_faults instead of numa_* pointers
sched/deadline: Don't check CONFIG_SMP in switched_from_dl()
sched/deadline: Reschedule from switched_from_dl() after a successful pull
sched/deadline: Push task away if the deadline is equal to curr during wakeup
sched/deadline: Add deadline rq status print
sched/deadline: Fix artificial overrun introduced by yield_task_dl()
sched/rt: Clean up check_preempt_equal_prio()
sched/core: Use dl_bw_of() under rcu_read_lock_sched()
sched: Check if we got a shallowest_idle_cpu before searching for least_loaded_cpu
...
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|
Linus Torvalds
|
bee2782f30 |
Merge branch 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull leftover perf fixes from Ingo Molnar: "Two perf fixes left over from the previous cycle" * 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: perf session: Do not fail on processing out of order event x86/asm/traps: Disable tracing and kprobes in fixup_bad_iret and sync_regs |
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Linus Torvalds
|
5706ffd045 |
Merge branch 'perf-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull perf events update from Ingo Molnar:
"On the kernel side there's few changes, the one that stands out is
PEBS machine state sampling support on x86, by Stephane Eranian.
On the tooling side:
User visible tooling changes:
- Don't open the DWARF info multiple times, keeping instead a dwfl
handle in struct dso, greatly speeding up 'perf report' on powerpc.
(Sukadev Bhattiprolu)
- Introduce PARSE_OPT_DISABLED option flag and use it to avoid
showing undersired options in tools that provides frontends to
'perf record', like sched, kvm, etc (Namhyung Kim)
- Fallback to kallsyms when using the minimal 'ELF' loader (Arnaldo
Carvalho de Melo)
- Fix annotation with kcore (Adrian Hunter)
- Support source line numbers in annotate using a hotkey (Andi Kleen)
- Callchain improvements including:
* Enable printing the srcline in the history
* Make get_srcline fall back to sym+offset (Andi Kleen)
- TUI hist_entry browser fixes, including showing missing overhead
value for first level callchain. Detected comparing the output of
--stdio/--gui (that matched) with --tui, that had this problem.
(Namhyung Kim)
- Support handling complete branch stacks as histograms (Andi Kleen)
Tooling infrastructure changes:
- Prep work for supporting per-pkg and snapshot counters in 'perf
stat' (Jiri Olsa)
- 'perf stat' refactorings, moving stuff from it to evsel.c to use in
per-pkg/snapshot format changes (Jiri Olsa)
- Add per-pkg format file parsing (Matt Fleming)
- Clean up libelf feature support code (Namhyung Kim)
- Add gzip decompression support for kernel modules (Namhyung Kim)
- More prep patches for Intel PT, including a a thread stack and more
stuff made available via the database export mechanism (Adrian
Hunter)
- More Intel PT work, including a facility to export sample data
(comms, threads, symbol names, etc) in a database friendly way,
with an script to use this to create a postgresql database.
(Adrian Hunter)
- Make sure that thread->mg->machine points to the machine where the
thread exists (it was being set only for the kmaps kernel modules
case, do it as well for the mmaps) and use it to shorten function
signatures (Arnaldo Carvalho de Melo)
... and lots of other fixes and smaller improvements"
* 'perf-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (91 commits)
perf report: In branch stack mode use address history sorting
perf report: Add --branch-history option
perf callchain: Support handling complete branch stacks as histograms
perf stat: Add support for snapshot counters
perf stat: Add support for per-pkg counters
perf tools: Remove perf_evsel__read interface
perf stat: Use read_counter in read_counter_aggr
perf stat: Make read_counter work over the thread dimension
perf stat: Use perf_evsel__read_cb in read_counter
perf tools: Add snapshot format file parsing
perf tools: Add per-pkg format file parsing
perf evsel: Introduce perf_evsel__read_cb function
perf evsel: Introduce perf_counts_values__scale function
perf evsel: Introduce perf_evsel__compute_deltas function
perf tools: Allow to force redirect pr_debug to stderr.
perf tools: Fix segfault due to invalid kernel dso access
perf callchain: Make get_srcline fall back to sym+offset
perf symbols: Move bfd_demangle stubbing to its only user
perf callchain: Enable printing the srcline in the history
perf tools: Collapse first level callchain entry if it has sibling
...
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|
Linus Torvalds
|
9c37f95936 |
Merge branch 'core-locking-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull locking tree changes from Ingo Molnar: "Two changes: a documentation update and a ticket locks live lock fix" * 'core-locking-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/ticketlock: Fix spin_unlock_wait() livelock locking/lglocks: Add documentation of current lglocks implementation |
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Linus Torvalds
|
a0e4467726 |
asm-generic: asm/io.h rewrite
While there normally is no reason to have a pull request for asm-generic
but have all changes get merged through whichever tree needs them, I do
have a series for 3.19. There are two sets of patches that change
significant portions of asm/io.h, and this branch contains both in order
to resolve the conflicts:
- Will Deacon has done a set of patches to ensure that all architectures
define {read,write}{b,w,l,q}_relaxed() functions or get them by
including asm-generic/io.h. These functions are commonly used on ARM
specific drivers to avoid expensive L2 cache synchronization implied by
the normal {read,write}{b,w,l,q}, but we need to define them on all
architectures in order to share the drivers across architectures and
to enable CONFIG_COMPILE_TEST configurations for them
- Thierry Reding has done an unrelated set of patches that extends
the asm-generic/io.h file to the degree necessary to make it useful
on ARM64 and potentially other architectures.
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Merge tag 'asm-generic-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/asm-generic
Pull asm-generic asm/io.h rewrite from Arnd Bergmann:
"While there normally is no reason to have a pull request for
asm-generic but have all changes get merged through whichever tree
needs them, I do have a series for 3.19.
There are two sets of patches that change significant portions of
asm/io.h, and this branch contains both in order to resolve the
conflicts:
- Will Deacon has done a set of patches to ensure that all
architectures define {read,write}{b,w,l,q}_relaxed() functions or
get them by including asm-generic/io.h.
These functions are commonly used on ARM specific drivers to avoid
expensive L2 cache synchronization implied by the normal
{read,write}{b,w,l,q}, but we need to define them on all
architectures in order to share the drivers across architectures
and to enable CONFIG_COMPILE_TEST configurations for them
- Thierry Reding has done an unrelated set of patches that extends
the asm-generic/io.h file to the degree necessary to make it useful
on ARM64 and potentially other architectures"
* tag 'asm-generic-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/asm-generic: (29 commits)
ARM64: use GENERIC_PCI_IOMAP
sparc: io: remove duplicate relaxed accessors on sparc32
ARM: sa11x0: Use void __iomem * in MMIO accessors
arm64: Use include/asm-generic/io.h
ARM: Use include/asm-generic/io.h
asm-generic/io.h: Implement generic {read,write}s*()
asm-generic/io.h: Reconcile I/O accessor overrides
/dev/mem: Use more consistent data types
Change xlate_dev_{kmem,mem}_ptr() prototypes
ARM: ixp4xx: Properly override I/O accessors
ARM: ixp4xx: Fix build with IXP4XX_INDIRECT_PCI
ARM: ebsa110: Properly override I/O accessors
ARC: Remove redundant PCI_IOBASE declaration
documentation: memory-barriers: clarify relaxed io accessor semantics
x86: io: implement dummy relaxed accessor macros for writes
tile: io: implement dummy relaxed accessor macros for writes
sparc: io: implement dummy relaxed accessor macros for writes
powerpc: io: implement dummy relaxed accessor macros for writes
parisc: io: implement dummy relaxed accessor macros for writes
mn10300: io: implement dummy relaxed accessor macros for writes
...
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|
Linus Torvalds
|
ed8efd2de7 |
ARM64: SoC changes for 3.19
This adds support for two new ARM64 platforms: * ARM Juno * AMD Seattle We had submissions for a number of additional platforms from Samsung, Freescale and Spreadtrum but are still working out the best process for getting these merged. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQIVAwUAVIcj62CrR//JCVInAQKv9w/+LXBBfJbNetHE17PoeV10O+ni6a3Xuv7F ZIkx+GgxEYT/8JPBeORUs0Boa6llpsUpn+GqCuqhMmFAPImxoQJ1ULmf6SFfbppB b7FRNoaW5GPUsi6mDfat4w3yXZK3LX0qlPprym1d9yGOXN9hnH8LkvnSsqZM1Ntn 4jnj7nQJyn/BG5OyFDWnTsyO7dIYMLm90s/VnVPxu7VGacDEnhAXdvqQkzkmavTK K9zOBYa4vGhfYM7Wy/3xQrJfHTZOkLOQh4TGwfCQjDoFxvhCXrDo7fU+TKdawq10 KGHbxj8rhCaAUhc0Gqn77/Cri3LXGJyw+97VZeh9KWR1a1YAV5nsCvz3sZuQY78J qbTOwMq9xQ3nQnerkmGPeGV/UyouvdxO/SnOyZnTU0OaYJlFIbsdu8mIUH4xHkGm +7DceBhuDk+iVgDtULKpz0RA4XNsUV81Cb6FyVgmEcnuThRtCDetrN7RpMKmqynA ZQ/VM/0qtnzQp+XYIxJf7A6iexVtJp00Yffw7y0F8QaoBCwWEsPA1TMk4wPirCYn tsQ9C0jYKAWAI8scYpThiTOK8IoBvDIv5OMoxqwtvr4RZQqO9CZQcgtlHOAYNMtX zhh+r/1B27vFXoGva065AKIyGPbQSeUJesfVxwN9+RbWplWusaqLPuwfbyNttacf mkkNrudQ9g4= =yqur -----END PGP SIGNATURE----- Merge tag 'arm64-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc Pull ARM64 SoC changes from Arnd Bergmann: "This adds support for two new ARM64 platforms: - ARM Juno - AMD Seattle We had submissions for a number of additional platforms from Samsung, Freescale and Spreadtrum but are still working out the best process for getting these merged" * tag 'arm64-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: arm64: amd-seattle: Fix PCI bus range due to SMMU limitation arm64: ARM: Fix the Generic Timers interrupt active level description arm64: amd-seattle: Adding device tree for AMD Seattle platform arm64: Add Juno board device tree. arm64: Create link to include/dt-bindings to enable C preprocessor use. |
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Linus Torvalds
|
151cd97630 |
ARM: SoC defconfig changes for 3.19
This is a collection of the various changes to defconfig files, most importantly enabling some additional platforms in the multi_v7_defconfig file. These are split out into a separate branch to avoid most of the merge conflicts in the defconfig files. This also touches 12 other defconfig files for shmobile, at91, hisilicon, keystone, mvebu, omap, and tegra. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQIVAwUAVIcj5WCrR//JCVInAQIDNhAAjJYvkKQNQEHSgpP9EO7psu5Il21uGICK VUHgOFeJezGEcjnZIaGaICPxUXVHmn8fdHfymEFYtUJhPGRKZV4WGfU5/vai9JHV HNOm9Rveg4rqJr4zNEWXDaIjhrxmbWIUkf9+S1jAvV3QbKIWt1vEyS5ka1PiepBb P19lT7t2VVDguVLQmJCLarYjoF/mZdrunRfFp7wBo6xClbsa9S5ldPT5LQY/ufYc mFaYd78imELKFtgNyYhS++o9egDoW+feFC22/ZllVNH6k/FYqfXmoCyzTy7Tb0tp T8R7yGsZfpwtZPXus9cm2S4FW1nXQxUtn+1Z97a1u16k6TP+N/kBKP67BILD1I+T J0G7yQHIMdH0AhVq+7VXzHiPX37GvOqJl+c9g6pMHP/hgJQ5m3sT6iYxLUmHWuoS QsQLeT4PalVgd8UvwNI8xTAaWXpvi9mNbl1++O5DahqWhT38Rl9URJNI689Detfe U92jtRQwFTBIXMFs2P1g7hjrMoQ71BiX5iVqdO/OMw7iGafq/pKBDc4020uUP34P qblXKjVQw3n+nO/QKPKdAEwjApoZxS62qF8QtKuNfYR+daz2MYG8TR60ug805tgQ w42tJaajQN/YbG6SWW3X/g3xoRRtriJ6mvm6xeoAau1bw1V3XuqtOT5AoF5SF1FZ 65CUSM2j/yY= =brXv -----END PGP SIGNATURE----- Merge tag 'defconfig-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc Pull ARM SoC defconfig changes from Arnd Bergmann: "This is a collection of the various changes to defconfig files, most importantly enabling some additional platforms in the multi_v7_defconfig file. These are split out into a separate branch to avoid most of the merge conflicts in the defconfig files. This also touches 12 other defconfig files for shmobile, at91, hisilicon, keystone, mvebu, omap, and tegra" * tag 'defconfig-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (36 commits) ARM: omap2plus_defconfig: enable ECAP and EHRPWM ARM: omap2plus_defconfig: enable XHCI ARM: omap2plus_defconfig: enable AM33XX SoC sound ARM: omap2plus_defconfig: enable EDT FT5X06 touchscreen ARM: omap2plus_defconfig: remove unwanted ethernet drivers ARM: multi_v7_defconfig: enable MAX77686 PMIC drivers for exynos4412-prime based SoCs ARM: at91/defconfig: add DM9000 to at91_dt ARM: at91/defconfig: add QT1070 to at91_dt ARM: at91/defconfig: add TCB PWM driver selection ARM: at91/defconfig: add the XDMA driver ARM: at91: sama5: update defconfig ARM: defconfig: imx_v6_v7_defconfig updates ARM: multi_v7_defconfig: add driver support for hix5hd2 ARM: exynos_defconfig: Use 16 minors per MMC block device ARM: mvebu: add MTD_BLOCK to mvebu_v7_defconfig ARM: mvebu: enable i2c device in mvebu_v7_defconfig ARM: mvebu: re-enable SDHCI driver for Armada 38x SoC in v7 defconfig ARM: tegra: Regenerate default configuration ARM: multi_v7_defconfig: Enable cgroups ARM: multi_v7_defconfig: Enable Broadcom Cygnus ... |
||
|
Linus Torvalds
|
fe78c54b47 |
ARM: SoC/OMAP GPMC driver cleanup and move for 3.19
The GPMC driver has traditionally been considered a part of the OMAP platform code and tightly interweaved with some of the boards. With this cleanup, it has finally come to the point where it makes sense to move it out of arch/arm into drivers/memory, where we already have other drivers for similar hardware. The cleanups are still ongoing, with the goal of eventually having a standalone driver that does not require an interface to architecture code. This is a separate branch because of dependencies on multiple other branches, and to keep the drivers changes separate from the normal cleanups. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQIVAwUAVIcj7mCrR//JCVInAQIEtBAAoxn09fc4oeyBy9HeAgcQSxglqlyiJzTG YeIYN3Hz9kCRh/KDG35OQDD0Zv6Yw3m4QLYym5x/W2atMl+7AwBOUKGAi6neEHzv DbhvmAr8/2I+3RnUQDAxcbqY/p3/sSatWsPgwrgXWmGJHQm5Ur/IfUcnOmqfA6w4 xag8EdwX43zxUCF7MFTdD5Vo4uzoYNtPaPHpEtFBn/UkGMolktUCXZPBD1DvgQEP Mdy9yKhpYy/6N/k8ZQUCfD177GW5mJMNDrQN3e+vdqJ05NBBfiORhJCxilo74FVQ NpX7I4AoYqgc+c0xJpQSZF2bAfAt53Ac8bPG6fNAf1GCw7O8ryjNybHWw9hK1mr3 aS4EEVsC3UJh/d6NAhbPWfB4reL9WqUgGapN8AiVsurt1Rj+eAp6mCY3qM37kPs4 feGBbCL0lfEPVKTWHskcdUjxxcSsj1xTPM/VDvitITjgINfv6EqUHDLPRT9V7ta1 VVbFwIgshScam2T5AolMd1CB8mkaTkkbZFnMqz93lFs43vltJFFqJOCnfPKsYgMz gf4sJ8/029sUJV2yjEHHMQNyurpGPqJ+BHa6bCLX82ERePFNJvBnm8Zm+kizNbD2 CGN38tysXOxKL6jIqT9D0bKO40w1dLJjamsl1SfesDBijZChhF77Lnpwx/EKtj+/ jYSRIijpCWk= =U4Fz -----END PGP SIGNATURE----- Merge tag 'omap-gpmc-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc Pull ARM SoC/OMAP GPMC driver cleanup and move from Arnd Bergmann: "The GPMC driver has traditionally been considered a part of the OMAP platform code and tightly interweaved with some of the boards. With this cleanup, it has finally come to the point where it makes sense to move it out of arch/arm into drivers/memory, where we already have other drivers for similar hardware. The cleanups are still ongoing, with the goal of eventually having a standalone driver that does not require an interface to architecture code. This is a separate branch because of dependencies on multiple other branches, and to keep the drivers changes separate from the normal cleanups" * tag 'omap-gpmc-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: memory: gpmc: Move omap gpmc code to live under drivers ARM: OMAP2+: Move GPMC initcall to devices.c ARM: OMAP2+: Prepare to move GPMC to drivers by platform data header ARM: OMAP2+: Remove unnecesary include in GPMC driver ARM: OMAP2+: Drop board file for 3430sdp ARM: OMAP2+: Drop board file for ti8168evm ARM: OMAP2+: Drop legacy code for gpmc-smc91x.c ARM: OMAP2+: Require proper GPMC timings for devices ARM: OMAP2+: Show bootloader GPMC timings to allow configuring the .dts file ARM: OMAP2+: Fix support for multiple devices on a GPMC chip select ARM: OMAP2+: gpmc: Sanity check GPMC fck on probe ARM: OMAP2+: gpmc: Keep Chip Select disabled while configuring it ARM: OMAP2+: gpmc: Always enable A26-A11 for non NAND devices ARM: OMAP2+: gpmc: Error out if timings fail in gpmc_probe_generic_child() ARM: OMAP2+: gpmc: Print error message in set_gpmc_timing_reg() |
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|
Linus Torvalds
|
6da314122d |
ARM: SoC DT updates for 3.19
The DT branch adds a lot of new stuff for additional SoC and board support. The branch is the largest one and contains 513 out of the total 972 non-merge arm-soc changesets for 3.19. Most of the changes are about enabling additional on-chip devices for existing machines, but there are also an unusual number of new SoC types being added this time: * AMLogic Meson8 * ARM Realview in DT mode * Allwinner A80 * Broadcom BCM47081 * Broadcom Cygnus * Freescale LS1021A * Freescale Vybrid 500 series * Mediatek MT6592, MT8127, MT8135 * STMicroelectronics STiH410 * Samsung Exynos4415 The level of support for the above differs widely, some are just stubs with nothing more than CPU, memory and a UART, but others are fairly complete. As usual, these get extended over time. There are also many new boards getting added, this is the list of model strings that are showing up in new dts files: * ARM RealView PB1176 * Altera SOCFPGA Arria 10 * Asus RT-N18U (BCM47081) * Buffalo WZR-1750DHP (BCM4708) * Buffalo WZR-600DHP2 (BCM47081) * Cygnus Enterprise Phone (BCM911360_ENTPHN) * D-Link DIR-665 * Google Spring * IGEP COM MODULE Rev. G (TI OMAP AM/DM37x) * IGEPv2 Rev. F (TI OMAP AM/DM37x) * LS1021A QDS Board * LS1021A TWR Board * LeMaker Banana Pi * MarsBoard RK3066 * MediaTek MT8127 Moose Board * MediaTek MT8135 evaluation board * Mele M3 * Merrii A80 Optimus Board * Netgear R6300 V2 (BCM4708) * Nomadik STN8815NHK * NovaTech OrionLXm * Olimex A20-OLinuXino-LIME2 * Raspberry Pi Model B+ * STiH410 B2120 * Samsung Monk board * Samsung Rinato board * Synology DS213j * Synology DS414 * TBS2910 Matrix ARM mini PC * TI AM5728 BeagleBoard-X15 * Toradex Colibri VF50 on Colibri Evaluation Board * Zynq ZYBO Development Board Other notable changes include: * exynos: cleanup of existing dts files * mvebu: improved pinctrl support for Armada 370/XP * nomadik: restructuring dts files * omap: added CAN bus support * shmobile: added clock support for some SoCs * shmobile: added sound support for some SoCs * sirf: reset controller support * sunxi: continuing the relicensing under dual GPL/MIT * sunxi: lots of new on-chip device support * sunxi: working simplefb support (long awaited) * various: provide stdout-path property for earlycon -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQIVAwUAVIcj3mCrR//JCVInAQL9Nw//YKK1l5gDZMmJ5nZXapXaZXERACN1n7H6 9kkEZRF5ndUY4+MQmqYqHqBya04aQgnuHu0hsxbEAn2L3j2+ejZgc8XRqflArORy EXQvH/l6UNA11aCoLvKvT9fny76ZCOyEOALWXj9oLxhfd5X2d/So9q1ELFLgmc0S XnVMfpoXPeVPhe6l8EhF/qI0xYjM91CHWRopRQi6yp4DqFXV2+h5ggCpX1+S2e8L LyGNLk0RM9Mha+Qyy4O+LY+FoeWwDutQyat0ct9ov6FP8AYrR1N43d/ekJ57L8fU hVymo+5prUwEkIfQpsJQjPzonJxFssk1KD9t+GZ99VgEO02tvpjeB0nwoaWJxS25 MzU2Bgp0Z/Yu0Q0SGu5/fuMya1Mo+wRA1OyQLp515TQqdWyTLcPT9o/ahfw8Uf1W 6gBZoB+XXEQPI1sMHDDrn4r5T9mySsodAGfnvJoNxttnjCmVRzI5sXssnFji8TTF ciMEzfoTJNPqzxkzaOM13XmslKtFrI9A+DGgnOWn6oZXODzHcc6M+z/moiWy8b/e /HsbzWvp9HUPZVjM2AJR4iiyLXv7GRu9maNmGtoXKi9bnQDaNGWFovp/R5y8avQM xyzJ+6melNZnnoEue8/OOdum7jMeqPCRVQuqM2hKVcsmNEnb7kPBOi4AYXWTrTFO bcDvFylnmlA= =BHwA -----END PGP SIGNATURE----- Merge tag 'dt-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc Pull ARM SoC DT updates from Arnd Bergmann: "The DT branch adds a lot of new stuff for additional SoC and board support. The branch is the largest one and contains 513 out of the total 972 non-merge arm-soc changesets for 3.19. Most of the changes are about enabling additional on-chip devices for existing machines, but there are also an unusual number of new SoC types being added this time: - AMLogic Meson8 - ARM Realview in DT mode - Allwinner A80 - Broadcom BCM47081 - Broadcom Cygnus - Freescale LS1021A - Freescale Vybrid 500 series - Mediatek MT6592, MT8127, MT8135 - STMicroelectronics STiH410 - Samsung Exynos4415 The level of support for the above differs widely, some are just stubs with nothing more than CPU, memory and a UART, but others are fairly complete. As usual, these get extended over time. There are also many new boards getting added, this is the list of model strings that are showing up in new dts files: - ARM RealView PB1176 - Altera SOCFPGA Arria 10 - Asus RT-N18U (BCM47081) - Buffalo WZR-1750DHP (BCM4708) - Buffalo WZR-600DHP2 (BCM47081) - Cygnus Enterprise Phone (BCM911360_ENTPHN) - D-Link DIR-665 - Google Spring - IGEP COM MODULE Rev. G (TI OMAP AM/DM37x) - IGEPv2 Rev. F (TI OMAP AM/DM37x) - LS1021A QDS Board - LS1021A TWR Board - LeMaker Banana Pi - MarsBoard RK3066 - MediaTek MT8127 Moose Board - MediaTek MT8135 evaluation board - Mele M3 - Merrii A80 Optimus Board - Netgear R6300 V2 (BCM4708) - Nomadik STN8815NHK - NovaTech OrionLXm - Olimex A20-OLinuXino-LIME2 - Raspberry Pi Model B+ - STiH410 B2120 - Samsung Monk board - Samsung Rinato board - Synology DS213j - Synology DS414 - TBS2910 Matrix ARM mini PC - TI AM5728 BeagleBoard-X15 - Toradex Colibri VF50 on Colibri Evaluation Board - Zynq ZYBO Development Board Other notable changes include: - exynos: cleanup of existing dts files - mvebu: improved pinctrl support for Armada 370/XP - nomadik: restructuring dts files - omap: added CAN bus support - shmobile: added clock support for some SoCs - shmobile: added sound support for some SoCs - sirf: reset controller support - sunxi: continuing the relicensing under dual GPL/MIT - sunxi: lots of new on-chip device support - sunxi: working simplefb support (long awaited) - various: provide stdout-path property for earlycon" * tag 'dt-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (510 commits) ARM: dts: rk3288: add arm,cpu-registers-not-fw-configured Revert "ARM: dts: rockchip: temporarily disable smp on rk3288" ARM: BCM5301X: Add DT for Buffalo WZR-600DHP2 ARM: BCM5301X: Add DT for Asus RT-N18U ARM: BCM5301X: Add DT for Buffalo WZR-1750DHP ARM: BCM5301X: Add DT for Netgear R6300 V2 ARM: BCM5301X: Add buttons for Netgear R6250 ARM: dts: rockchip: Add input voltage supply regulators in pmic for Marsboard ARM: BCM5301X: Add IRQs to Broadcom's bus-axi in DTS file arm: dts: zynq: Add Digilent ZYBO board arm: dts: zynq: Move crystal freq. to board level doc: dt: vendor-prefixes: Add Digilent Inc Documentation: devicetree: Fix Xilinx VDMA specification ARM: dts: rockchip: set FIFO size for SDMMC, SDIO and EMMC on rk3066 and rk3188 ARM: dts: rockchip: add label property for leds on Radxa Rock ARM: BCM5301X: Add LEDs for Netgear R6250 V1 ARM: BCM5301X: Add Broadcom's bus-axi to the DTS file ARM: dts: add sysreg phandle to i2c device nodes for exynos ARM: dts: Remove unused bootargs from exynos3250-rinato ARM: dts: add board dts file for Exynos3250-based Monk board ... |
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|
Linus Torvalds
|
3a647c1d7a |
ARM: SoC driver updates for 3.19
These are changes for drivers that are intimately tied to some SoC
and for some reason could not get merged through the respective
subsystem maintainer tree.
The largest single change here this time around is the Tegra
iommu/memory controller driver, which gets updated to the new
iommu DT binding. More drivers like this are likely to follow
for the following merge window, but we should be able to do
those through the iommu maintainer.
Other notable changes are:
* reset controller drivers from the reset maintainer (socfpga, sti, berlin)
* fixes for the keystone navigator driver merged last time
* at91 rtc driver changes related to the at91 cleanups
* ARM perf driver changes from Will Deacon
* updates for the brcmstb_gisb driver
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Merge tag 'drivers-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC driver updates from Arnd Bergmann:
"These are changes for drivers that are intimately tied to some SoC and
for some reason could not get merged through the respective subsystem
maintainer tree.
The largest single change here this time around is the Tegra
iommu/memory controller driver, which gets updated to the new iommu DT
binding. More drivers like this are likely to follow for the
following merge window, but we should be able to do those through the
iommu maintainer.
Other notable changes are:
- reset controller drivers from the reset maintainer (socfpga, sti,
berlin)
- fixes for the keystone navigator driver merged last time
- at91 rtc driver changes related to the at91 cleanups
- ARM perf driver changes from Will Deacon
- updates for the brcmstb_gisb driver"
* tag 'drivers-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (53 commits)
clocksource: arch_timer: Allow the device tree to specify uninitialized timer registers
clocksource: arch_timer: Fix code to use physical timers when requested
memory: Add NVIDIA Tegra memory controller support
bus: brcmstb_gisb: Add register offset tables for older chips
bus: brcmstb_gisb: Look up register offsets in a table
bus: brcmstb_gisb: Introduce wrapper functions for MMIO accesses
bus: brcmstb_gisb: Make the driver buildable on MIPS
of: Add NVIDIA Tegra memory controller binding
ARM: tegra: Move AHB Kconfig to drivers/amba
amba: Add Kconfig file
clk: tegra: Implement memory-controller clock
serial: samsung: Fix serial config dependencies for exynos7
bus: brcmstb_gisb: resolve section mismatch
ARM: common: edma: edma_pm_resume may be unused
ARM: common: edma: add suspend resume hook
powerpc/iommu: Rename iommu_[un]map_sg functions
rtc: at91sam9: add DT bindings documentation
rtc: at91sam9: use clk API instead of relying on AT91_SLOW_CLOCK
ARM: at91: add clk_lookup entry for RTT devices
rtc: at91sam9: rework the Kconfig description
...
|
||
|
Linus Torvalds
|
6cd94d5e57 |
ARM: SoC platform changes for 3.19
New and updated SoC support, notable changes include:
* bcm: brcmstb SMP support
* bcm: initial iproc/cygnus support
* exynos: Exynos4415 SoC support
* exynos: PMU and suspend support for Exynos5420
* exynos: PMU support for Exynos3250
* exynos: pm related maintenance
* imx: new LS1021A SoC support
* imx: vybrid 610 global timer support
* integrator: convert to using multiplatform configuration
* mediatek: earlyprintk support for mt8127/mt8135
* meson: meson8 soc and l2 cache controller support
* mvebu: Armada 38x CPU hotplug support
* mvebu: drop support for prerelease Armada 375 Z1 stepping
* mvebu: extended suspend support, now works on Armada 370/XP
* omap: hwmod related maintenance
* omap: prcm cleanup
* pxa: initial pxa27x DT handling
* rockchip: SMP support for rk3288
* rockchip: add cpu frequency scaling support
* shmobile: r8a7740 power domain support
* shmobile: various small restart, timer, pci apmu changes
* sunxi: Allwinner A80 (sun9i) earlyprintk support
* ux500: power domain support
Overall, a significant chunk of changes, coming mostly from
the usual suspects: omap, shmobile, samsung and mvebu, all of
which already contain a lot of platform specific code in
arch/arm.
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Merge tag 'soc-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC platform changes from Arnd Bergmann:
"New and updated SoC support, notable changes include:
- bcm:
brcmstb SMP support
initial iproc/cygnus support
- exynos:
Exynos4415 SoC support
PMU and suspend support for Exynos5420
PMU support for Exynos3250
pm related maintenance
- imx:
new LS1021A SoC support
vybrid 610 global timer support
- integrator:
convert to using multiplatform configuration
- mediatek:
earlyprintk support for mt8127/mt8135
- meson:
meson8 soc and l2 cache controller support
- mvebu:
Armada 38x CPU hotplug support
drop support for prerelease Armada 375 Z1 stepping
extended suspend support, now works on Armada 370/XP
- omap:
hwmod related maintenance
prcm cleanup
- pxa:
initial pxa27x DT handling
- rockchip:
SMP support for rk3288
add cpu frequency scaling support
- shmobile:
r8a7740 power domain support
various small restart, timer, pci apmu changes
- sunxi:
Allwinner A80 (sun9i) earlyprintk support
- ux500:
power domain support
Overall, a significant chunk of changes, coming mostly from the usual
suspects: omap, shmobile, samsung and mvebu, all of which already
contain a lot of platform specific code in arch/arm"
* tag 'soc-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (187 commits)
ARM: mvebu: use the cpufreq-dt platform_data for independent clocks
soc: integrator: Add terminating entry for integrator_cm_match
ARM: mvebu: add SDRAM controller description for Armada XP
ARM: mvebu: adjust mbus controller description on Armada 370/XP
ARM: mvebu: add suspend/resume DT information for Armada XP GP
ARM: mvebu: synchronize secondary CPU clocks on resume
ARM: mvebu: make sure MMU is disabled in armada_370_xp_cpu_resume
ARM: mvebu: Armada XP GP specific suspend/resume code
ARM: mvebu: reserve the first 10 KB of each memory bank for suspend/resume
ARM: mvebu: implement suspend/resume support for Armada XP
clk: mvebu: add suspend/resume for gatable clocks
bus: mvebu-mbus: provide a mechanism to save SDRAM window configuration
bus: mvebu-mbus: suspend/resume support
clocksource: time-armada-370-xp: add suspend/resume support
irqchip: armada-370-xp: Add suspend/resume support
ARM: add lolevel debug support for asm9260
ARM: add mach-asm9260
ARM: EXYNOS: use u8 for val[] in struct exynos_pmu_conf
power: reset: imx-snvs-poweroff: add power off driver for i.mx6
ARM: imx: temporarily remove CONFIG_SOC_FSL from LS1021A
...
|
||
|
Linus Torvalds
|
6c9e92476b |
ARM: SoC cleanups for 3.19
The remaining cleanups for 3.19 are to a large part result of
devicetree conversion nearing completion on two other platforms
besides AT91:
* Like AT91, Renesas shmobile is in the process to migrate to DT and
multiplatform, but using a different approach of doing it one
SoC at a time. For 3.19, the r8a7791 platform and associated\
"Koelsch" board are considered complete and we remove the non-DT
non-multiplatform support for this.
* The ARM Versatile Express has supported DT and multiplatform
for a long time, but we have still kept the legacy board files
around, because not all drivers were fully working before. We
have finally taken the last step to remove the board files.
Other changes in this branch are preparation for the later branches
or just unrelated to the more interesting changes:
* The dts files for arm64 get moved into per-vendor directories for
a clearer structure.
* Some dead code removal (zynq, exynos, davinci, imx)
* Using pr_*() macros more consistently instead of printk(KERN_*)
in some platform code.
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Merge tag 'cleanup-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC cleanups from Arnd Bergmann:
"The remaining cleanups for 3.19 are to a large part result of
devicetree conversion nearing completion on two other platforms
besides AT91:
- Like AT91, Renesas shmobile is in the process to migrate to DT and
multiplatform, but using a different approach of doing it one SoC
at a time. For 3.19, the r8a7791 platform and associated "Koelsch"
board are considered complete and we remove the non-DT
non-multiplatform support for this.
- The ARM Versatile Express has supported DT and multiplatform for a
long time, but we have still kept the legacy board files around,
because not all drivers were fully working before. We have finally
taken the last step to remove the board files.
Other changes in this branch are preparation for the later branches or
just unrelated to the more interesting changes:
- The dts files for arm64 get moved into per-vendor directories for a
clearer structure.
- Some dead code removal (zynq, exynos, davinci, imx)
- Using pr_*() macros more consistently instead of printk(KERN_*) in
some platform code"
* tag 'cleanup-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (71 commits)
ARM: zynq: Remove secondary_startup() declaration from header
ARM: vexpress: Enable regulator framework when MMCI is in use
ARM: vexpress: Remove non-DT code
ARM: imx: Remove unneeded .map_io initialization
ARM: dts: imx6qdl-sabresd: Fix the microphone route
ARM: imx: refactor mxc_iomux_mode()
ARM: imx: simplify clk_pllv3_prepare()
ARM: imx6q: drop unnecessary semicolon
ARM: imx: clean up machine mxc_arch_reset_init_dt reset init
ARM: dts: imx6qdl-rex: Remove unneeded 'fsl,mode' property
ARM: dts: imx6qdl-gw5x: Remove unneeded 'fsl,mode' property
ARM: dts: imx6qdl-sabresd: Use IMX6QDL_CLK_CKO define
ARM: at91: remove useless init_time for DT-only SoCs
ARM: davinci: Remove redundant casts
ARM: davinci: Use standard logging styles
ARM: shmobile: r8a7779: Spelling/grammar s/entity/identity/, s/map/mapping/
ARM: shmobile: sh7372: Spelling/grammar s/entity map/identity mapping/
ARM: shmobile: sh73a0: Spelling/grammar s/entity map/identity mapping/
ARM: EXYNOS: Remove unused static iomapping
ARM: at91: fix build breakage due to legacy board removals
...
|
||
|
Linus Torvalds
|
0563fdc0d9 |
ARM: SoC cleanup on mach-at91 for 3.19
On Atmel AT91, the conversion to device tree is now considered complete, and all machines that were not already converted in 3.18 are assumed to be unused and dropped by the maintainer. All remaining board files that were written in C are dropped, and the ancient at91x40 sub-platform (based on an MMU-less ARM7) is removed altogether. Cleaning up the last pieces was great fun, so I took the time to do some of the coding myself and removed several hundred code lines that ended up unused after the board files were done. There are still a couple of AT91 specific device drivers that are not converted to DT (CF, USB-OTG) and currently not working, and the platform itself is not "multiplatform"-enabled, but both issues are going to be taken care of in the 3.20 cycle. This is split out from the other cleanups purely based on the size of the branch. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iD8DBQBUhyNX5t5GS2LDRf4RAnjxAKCER7eoLNadu1/93n/a9d1nUz4MoQCcCZUq BolxCOi0wr4YTcQtp7rHzWI= =ykAB -----END PGP SIGNATURE----- Merge tag 'at91-cleanup-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc Pull ARM SoC cleanup on mach-at91 from Arnd Bergmann: "On Atmel AT91, the conversion to device tree is now considered complete, and all machines that were not already converted in 3.18 are assumed to be unused and dropped by the maintainer. All remaining board files that were written in C are dropped, and the ancient at91x40 sub-platform (based on an MMU-less ARM7) is removed altogether. Cleaning up the last pieces was great fun, so I took the time to do some of the coding myself and removed several hundred code lines that ended up unused after the board files were done. There are still a couple of AT91 specific device drivers that are not converted to DT (CF, USB-OTG) and currently not working, and the platform itself is not "multiplatform"-enabled, but both issues are going to be taken care of in the 3.20 cycle. This is split out from the other cleanups purely based on the size of the branch" * tag 'at91-cleanup-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (33 commits) ARM: at91: remove unused board.h file ARM: at91: remove unneeded header files ARM: at91/clocksource: remove !DT PIT initializations ARM: at91: at91rm9200 ST initialization is now DT only ARM: at91: remove old AT91-specific drivers ARM: at91: cleanup initilisation code by removing dead code ARM: at91/Kconfig: select board files automatically ARM: at91: remove unused IRQ function declarations ARM: at91: remove legacy IRQ driver and related code ARM: at91: remove old at91-specific clock driver ARM: at91: remove clock data in at91sam9n12.c and at91sam9x5.c files ARM: at91: remove all !DT related configuration options ARM: at91/trivial: update Kconfig comment to mention SAMA5 ARM: at91: always USE_OF from now on ARM: at91/Kconfig: remove ARCH_AT91RM9200 option for drivers ARM: at91: switch configuration option to SOC_AT91RM9200 ARM: at91: remove at91rm9200 legacy board support ARM: at91: remove at91rm9200 legacy boards files ARM: at91/Kconfig: remove useless fbdev Kconfig options ARM: at91: remove at91sam9261/at91sam9g10 legacy board support ... |
||
|
Linus Torvalds
|
0a9e0acddb |
ARM: SoC non-critical bug fixes for 3.19
These are bug fixes for harmless problems that were not important
enough to get fixed in 3.19. This contains updates to the MAINTAINERS
file, in particular:
- Ben Dooks stepped down as Samsung co-maintainer (thanks Ben for
long years of maintaining this). Kukjin Kim, who has been
doing the work de-facto by himself recently is now the
only maintainer.
- Liviu, Sudeep and Lorenzo from ARM now officially maintain the
Versatile Express platform, which was orphaned (thanks for
- Gregory Fong and Florian Fainelli help out on the Broadcom BCM7XXX
platform
- Ray Jui and Scott Branden are the future maintainers for the
newly merged Broadcom Cygnus platform. Welcome!
In terms of actual fixes, we have the usual set of OMAP bug fixes,
which Tony Lindgren separates out well from the other OMAP changes,
one really ep93xx regression fix against 3.11 that didn't make it for
3.18, a few GIC changes from Marc Zyngier as a preparation for
later rework (the current code is wrong in a harmless way), on
Tegra regression and one samsung spelling fix.
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Merge tag 'fixes-nc-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC non-critical bug fixes from Arnd Bergmann:
"These are bug fixes for harmless problems that were not important
enough to get fixed in 3.19. This contains updates to the MAINTAINERS
file, in particular:
- Ben Dooks stepped down as Samsung co-maintainer (thanks Ben for
long years of maintaining this). Kukjin Kim, who has been doing
the work de-facto by himself recently is now the only maintainer.
- Liviu, Sudeep and Lorenzo from ARM now officially maintain the
Versatile Express platform, which was orphaned (thanks for
- Gregory Fong and Florian Fainelli help out on the Broadcom BCM7XXX
platform
- Ray Jui and Scott Branden are the future maintainers for the newly
merged Broadcom Cygnus platform. Welcome!
In terms of actual fixes, we have the usual set of OMAP bug fixes,
which Tony Lindgren separates out well from the other OMAP changes,
one really ep93xx regression fix against 3.11 that didn't make it for
3.18, a few GIC changes from Marc Zyngier as a preparation for later
rework (the current code is wrong in a harmless way), on Tegra
regression and one samsung spelling fix"
* tag 'fixes-nc-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
ARM: imx6: fix bogus use of irq_get_irq_data
ARM: imx: irq: fix buggy usage of irq_data irq field
MAINTAINERS: ARM Versatile Express platform, add missing pattern
MAINTAINERS: ARM Versatile Express platform
arm: ep93xx: add dma_masks for the M2P and M2M DMA controllers
MAINTAINERS: Add ahci_st.c to ARCH/STI architecture
MAINTAINERS: add entry for the GISB arbiter driver
MAINTAINERS: update brcmstb entries
MAINTAINERS: update email address and cleanup for exynos entry
ARM: tegra: Re-add removed SoC id macro to tegra_resume()
MAINTAINERS: Entry for Cygnus/iproc arm architecture
ARM: OMAP: serial: remove last vestige of DTR_gpio support.
ARM: OMAP2+: gpmc: Get rid of "ti,elm-id not found" warning
ARM: EXYNOS: fix typo in static struct name "exynos5_list_diable_wfi_wfe"
ARM: OMAP2: Remove unnecessary KERN_* in omap_phy_internal.c
ARM: OMAP4+: Remove unused omap_l3_noc platform init
ARM: dts: Add twl keypad map for omap3 EVM
ARM: dts: Add twl keypad map for LDP
ARM: dts: Fix NAND last partition size on LDP
ARM: OMAP3: Fix errors for omap_l3_smx when booted with device tree
|
||
|
Linus Torvalds
|
b64bb1d758 |
arm64 updates for 3.19
Changes include: - Support for alternative instruction patching from Andre - seccomp from Akashi - Some AArch32 instruction emulation, required by the Android folks - Optimisations for exception entry/exit code, cmpxchg, pcpu atomics - mmu_gather range calculations moved into core code - EFI updates from Ard, including long-awaited SMBIOS support - /proc/cpuinfo fixes to align with the format used by arch/arm/ - A few non-critical fixes across the architecture -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQEcBAABCgAGBQJUhbSAAAoJELescNyEwWM07PQH/AolxqOJTTg8TKe2wvRC+DwY R98bcECMwhXvwep1KhTBew7z7NRzXJvVVs+EePSpXWX2+KK2aWN4L50rAb9ow4ty PZ5EFw564g3rUpc7cbqIrM/lasiYWuIWw/BL+wccOm3mWbZfokBB2t0tn/2rVv0K 5tf2VCLLxgiFJPLuYk61uH7Nshvv5uJ6ODwdXjbrH+Mfl6xsaiKv17ZrfP4D/M4o hrLoXxVTuuWj3sy/lBJv8vbTbKbQ6BGl9JQhBZGZHeKOdvX7UnbKH4N5vWLUFZya QYO92AK1xGolu8a9bEfzrmxn0zXeAHgFTnRwtDCekOvy0kTR9MRIqXASXKO3ZEU= =rnFX -----END PGP SIGNATURE----- Merge tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux Pull arm64 updates from Will Deacon: "Here's the usual mixed bag of arm64 updates, also including some related EFI changes (Acked by Matt) and the MMU gather range cleanup (Acked by you). Changes include: - support for alternative instruction patching from Andre - seccomp from Akashi - some AArch32 instruction emulation, required by the Android folks - optimisations for exception entry/exit code, cmpxchg, pcpu atomics - mmu_gather range calculations moved into core code - EFI updates from Ard, including long-awaited SMBIOS support - /proc/cpuinfo fixes to align with the format used by arch/arm/ - a few non-critical fixes across the architecture" * tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux: (70 commits) arm64: remove the unnecessary arm64_swiotlb_init() arm64: add module support for alternatives fixups arm64: perf: Prevent wraparound during overflow arm64/include/asm: Fixed a warning about 'struct pt_regs' arm64: Provide a namespace to NCAPS arm64: bpf: lift restriction on last instruction arm64: Implement support for read-mostly sections arm64: compat: align cacheflush syscall with arch/arm arm64: add seccomp support arm64: add SIGSYS siginfo for compat task arm64: add seccomp syscall for compat task asm-generic: add generic seccomp.h for secure computing mode 1 arm64: ptrace: allow tracer to skip a system call arm64: ptrace: add NT_ARM_SYSTEM_CALL regset arm64: Move some head.text functions to executable section arm64: jump labels: NOP out NOP -> NOP replacement arm64: add support to dump the kernel page tables arm64: Add FIX_HOLE to permanent fixed addresses arm64: alternatives: fix pr_fmt string for consistency arm64: vmlinux.lds.S: don't discard .exit.* sections at link-time ... |
||
|
Linus Torvalds
|
50569687e9 |
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/linux-m68k
Pull m68k updates from Geert Uytterhoeven. * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/linux-m68k: m68k/mm: Eliminate memset after alloc_bootmem_pages nubus: Remove superfluous interrupt disable/restore |
||
|
Linus Torvalds
|
a4a26e8e92 |
nios2 for v3.19-rc1
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||
|
Linus Torvalds
|
f3f62a38ce |
SCSI for-linus on 20141208
This patch is the usual mix of driver updates (srp, ipr, scsi_debug, NCR5380, fnic, 53c974, ses, wd719x, hpsa, megaraid_sas). Of those, wd7a9x is new and 53c974 is a rewrite of the old tmscsim driver and the extensive work by Finn Thain rewrites all the NCR5380 based drivers. There's also extensive infrastructure updates: a new logging infrastructure for sense information and a rewrite of the tagged command queue API and an assortment of minor updates. Signed-off-by: James Bottomley <JBottomley@Parallels.com> -----BEGIN PGP SIGNATURE----- Version: GnuPG v2 iQEcBAABAgAGBQJUhgazAAoJEDeqqVYsXL0MxIYH/2wCs9sne5cfDTjfufLJDdu1 WLoJgNMxv+14OukknJfG2Kk1WlHgLRM5+TVWIGiG0mmjXuFyShzIqEOHKTDWqxnE tBH4wLi/+XYqZAmAeim4/2zhvf+cUVVlIu01VERR5uwaBWYM8BeLSwjdnAAvEEwb iV74p1WV6frXo4guADplgtkjD0YxI4MTUZ1figRMlLO6WLFFyQ+95UfY8jFs+eQv zk63y7Mm7dQNd57/Wl3i89lw0kqlaJSZNl8Ovj1axy4rDYzT1wXhY8mEwD8fI8Ym wahldjFE5vXgj0NpO3tB3Z+UDP2YmQduMyzTxkPNnrEPKiOCsnQo42XR6vb92cQ= =Y+DU -----END PGP SIGNATURE----- Merge tag 'scsi-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi Pull SCSI updates from James Bottomley: "This patch is the usual mix of driver updates (srp, ipr, scsi_debug, NCR5380, fnic, 53c974, ses, wd719x, hpsa, megaraid_sas). Of those, wd7a9x is new and 53c974 is a rewrite of the old tmscsim driver and the extensive work by Finn Thain rewrites all the NCR5380 based drivers. There's also extensive infrastructure updates: a new logging infrastructure for sense information and a rewrite of the tagged command queue API and an assortment of minor updates" * tag 'scsi-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: (183 commits) scsi: set fmt to NULL scsi_extd_sense_format() by default libsas: remove task_collector mode wd719x: remove dma_cache_sync call scsi_debug: add Report supported opcodes+tmfs; Compare and write scsi_debug: change SCSI command parser to table driven scsi_debug: add Capacity Changed Unit Attention scsi_debug: append inject error flags onto scsi_cmnd object scsi_debug: pinpoint invalid field in sense data wd719x: Add firmware documentation wd719x: Introduce Western Digital WD7193/7197/7296 PCI SCSI card driver eeprom-93cx6: Add (read-only) support for 8-bit mode esas2r: fix an oversight in setting return value esas2r: fix an error path in esas2r_ioctl_handler esas2r: fir error handling in do_fm_api scsi: add SPC-3 command definitions scsi: rename SERVICE_ACTION_IN to SERVICE_ACTION_IN_16 scsi: remove scsi_driver owner field scsi: move scsi_dispatch_cmd to scsi_lib.c scsi: stop passing a gfp_mask argument down the command setup path scsi: remove scsi_next_command ... |
||
|
Linus Torvalds
|
177808cd28 |
Notable changes:
New driver for NCT7802Y Add support for TMP435, LM95233, LM95235, NCT6792D, and NXP LM75B Add regulator support for PMBus chips, specifically LTX2978 Add support for humidity sensors to iio-hwmon bridge driver -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIcBAABAgAGBQJUhgnFAAoJEMsfJm/On5mBbw4P/iswXZ6sekIMn/NKEXxXUgsd i9VpV+lsJu4TXYLozrwe6J50Wwk+AtRQurKMwq80pMglzz8VYtAyM6MLb84KFJtu U02cfmOP/KreB7Tt6YdVSRslWM07lq6tvJaCqQyuXDLyovL8i+C6ppStWbkqwaWS s4nTVnupxhudKQWBD2R14HcHP7Bk/QV0Nliuyi7jWs07a8g5I1f2UxFqUUiOPERl 8B0adCi+IJ3hWfrqSj+rCNkKStk4FoHt31t5Bs0ZsNcPcozLWtsCfaaxFcZy3Xal AkjpdCqIRkZ2DHA62VthR90VKKR8uL6hkJ9gfPq1Dz9keA9+NwZy60NLAUb8z4ck 2NXwJ7Mf4CBrU7IzqouZf6J1IPkfWxvdnReYstDpLaqFEgpRwJPU522Ci+EOiQCc WBjfo1BpiPyjGjel+TNVTBms0dxuX0jezJ8ZSIB9BfjirSXFTFUn4C4zK3yPNxAr jfWAWpTwUiLD01ZlFV0GBNax73oFAjKMDR06seGKxcEZNZbJW+FFpcAN3DjhcG+n U0WN3lh7Df8tqiuIQrhqAHVP2ApyLePjT/lg9zOUpL33jcM94sZ99HEPCwygkIhF wqC/eJx6jgOv+A0M38ux4zf+nhzUqqrpsdD63Msp4z9JOnMcMNZzBpBoc1aasQwL wrSMPt89hzVhfN0WIHvx =f0Ih -----END PGP SIGNATURE----- Merge tag 'hwmon-for-linus-3.19' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging Pull hwmon updates from Guenter Roeck: "Notable changes: - new driver for NCT7802Y - support for TMP435, LM95233, LM95235, NCT6792D, and NXP LM75B - regulator support for PMBus chips, specifically LTX2978 - support for humidity sensors to iio-hwmon bridge driver * tag 'hwmon-for-linus-3.19' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging: (21 commits) hwmon: (tmp401) Detect TMP435 on all addresses it supports hwmon: (lm75) Strengthen detect function hwmon: (gpio-fan) Add a shutdown handler to poweroff the fans hwmon: (gpio-fan) Allow usage of gpio operations that may sleep hwmon: (tmp401) Bail out from tmp401_probe() in case of write errors hwmon: (tmp401) Add support for TI TMP435 hwmon: (lm95234) Add support for LM95233 hwmon: (lm95245) Add support for LM95235 hwmon: (ina2xx) bail-out from ina2xx_probe() in case of configuration errors hwmon: (nct6775) Add blank lines after declarations hwmon: (nct6775) Add support for NCT6792D hwmon: (nct6775) Documentation updates hwmon: (lm75) Add support for the NXP LM75B hwmon: Driver for Nuvoton NCT7802Y hwmon: (ibmpowernv) Convert to module_platform_driver hwmon: (ibmpowernv) Use platform 'id_table' to probe the device hwmon: (iio_hwmon) Add support for humidity sensors hwmon: (ltc2978) Add regulator support hwmon: (pmbus) Add regulator support hwmon: (pmbus) add helpers for byte write and read modify write ... |