With NUMA=n and FA_DUMP=y or PRESERVE_FA_DUMP=y the build fails with:
arch/powerpc/kernel/fadump.c:1739:22: error: no previous prototype for ‘arch_reserved_kernel_pages’ [-Werror=missing-prototypes]
1739 | unsigned long __init arch_reserved_kernel_pages(void)
| ^~~~~~~~~~~~~~~~~~~~~~~~~~
The prototype for arch_reserved_kernel_pages() is in include/linux/mm.h,
but it's guarded by __HAVE_ARCH_RESERVED_KERNEL_PAGES. The powerpc
headers define __HAVE_ARCH_RESERVED_KERNEL_PAGES in asm/mmzone.h, which
is not included into the generic headers when NUMA=n.
Move the definition of __HAVE_ARCH_RESERVED_KERNEL_PAGES into asm/mmu.h
which is included regardless of NUMA=n.
Additionally the ifdef around __HAVE_ARCH_RESERVED_KERNEL_PAGES needs to
also check for CONFIG_PRESERVE_FA_DUMP.
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://msgid.link/20231130114433.3053544-1-mpe@ellerman.id.au
With CONFIG_NUMA=n the build fails with:
arch/powerpc/mm/book3s64/pgtable.c:275:15: error: no previous prototype for ‘create_section_mapping’ [-Werror=missing-prototypes]
275 | int __meminit create_section_mapping(unsigned long start, unsigned long end,
| ^~~~~~~~~~~~~~~~~~~~~~
That happens because the prototype for create_section_mapping() is in
asm/mmzone.h, but asm/mmzone.h is only included by linux/mmzone.h
when CONFIG_NUMA=y.
In fact the prototype is only needed by arch/powerpc/mm code, so move
the prototype into arch/powerpc/mm/mmu_decl.h, which also fixes the
build error.
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://msgid.link/20231129131919.2528517-5-mpe@ellerman.id.au
The 44x/fsp2_defconfig build fails with:
arch/powerpc/platforms/44x/idle.c:30:12: error: no previous prototype for ‘ppc44x_idle_init’ [-Werror=missing-prototypes]
30 | int __init ppc44x_idle_init(void)
| ^~~~~~~~~~~~~~~~
Fix it by making ppc44x_idle_init() static.
Reviewed-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://msgid.link/20231129131919.2528517-4-mpe@ellerman.id.au
The mpc512x_defconfig build fails with:
arch/powerpc/platforms/512x/mpc5121_ads_cpld.c:142:1: error: no previous prototype for ‘mpc5121_ads_cpld_map’ [-Werror=missing-prototypes]
142 | mpc5121_ads_cpld_map(void)
| ^~~~~~~~~~~~~~~~~~~~
arch/powerpc/platforms/512x/mpc5121_ads_cpld.c:157:1: error: no previous prototype for ‘mpc5121_ads_cpld_pic_init’ [-Werror=missing-prototypes]
157 | mpc5121_ads_cpld_pic_init(void)
| ^~~~~~~~~~~~~~~~~~~~~~~~~
There are prototypes for these functions but the header they are in is
not included by mpc5121_ads_cpld.c. Include it to fix the build error.
Reviewed-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://msgid.link/20231129131919.2528517-3-mpe@ellerman.id.au
With HIBERNATION=y the build breaks with:
arch/powerpc/kernel/swsusp_64.c:14:6: error: no previous prototype for ‘do_after_copyback’ [-Werror=missing-prototypes]
14 | void do_after_copyback(void)
| ^~~~~~~~~~~~~~~~~
do_after_copyback() is only called from asm, so there is no prototype,
nor any header where it makes sense to place one. Just add a prototype
in the C file to fix the build error.
Reviewed-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://msgid.link/20231129131919.2528517-1-mpe@ellerman.id.au
The rtas_read_config() and rtas_write_config() functions in
kernel/rtas_pci.c have external linkage and two users in arch/powerpc:
the rtas_pci code itself and the pseries platform's "enhanced error
handling" (EEH) support code.
The prototypes for these functions in asm/ppc-pci.h have until now
been guarded by CONFIG_EEH since the only external caller is the
pseries EEH code. However, this presumably has always generated
warnings when built with !CONFIG_EEH and -Wmissing-prototypes:
arch/powerpc/kernel/rtas_pci.c:46:5: error: no previous prototype for
function 'rtas_read_config' [-Werror,-Wmissing-prototypes]
46 | int rtas_read_config(struct pci_dn *pdn, int where,
int size, u32 *val)
arch/powerpc/kernel/rtas_pci.c:98:5: error: no previous prototype for
function 'rtas_write_config' [-Werror,-Wmissing-prototypes]
98 | int rtas_write_config(struct pci_dn *pdn, int where,
int size, u32 val)
The introduction of commit c6345dfa6e3e ("Makefile.extrawarn: turn on
missing-prototypes globally") forces the issue.
The efika and chrp platform code have (static) functions with the same
names but different signatures. We may as well eliminate the potential
for conflicts and confusion by renaming the globally visible versions
as their prototypes get moved out of the CONFIG_EEH-guarded region;
their current names are too generic anyway. Since they operate on
objects of the type 'struct pci_dn *', give them the slightly more
verbose prefix "rtas_pci_dn_" and fix up all the call sites.
Fixes: c6345dfa6e3e ("Makefile.extrawarn: turn on missing-prototypes globally")
Reported-by: Linux Kernel Functional Testing <lkft@linaro.org>
Closes: https://lore.kernel.org/linuxppc-dev/CA+G9fYt0LLXtjSz+Hkf3Fhm-kf0ZQanrhUS+zVZGa3O+Wt2+vg@mail.gmail.com/
Signed-off-by: Nathan Lynch <nathanl@linux.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://msgid.link/20231127-rtas-pci-rw-config-v1-1-385d29ace3df@linux.ibm.com
The linux-next build of powerpc64 allnoconfig fails with:
arch/powerpc/mm/book3s64/pgtable.c:557:5: error: no previous prototype for 'pmd_move_must_withdraw'
557 | int pmd_move_must_withdraw(struct spinlock *new_pmd_ptl,
| ^~~~~~~~~~~~~~~~~~~~~~
Caused by commit:
c6345dfa6e3e ("Makefile.extrawarn: turn on missing-prototypes globally")
Fix it by moving the function definition under
CONFIG_TRANSPARENT_HUGEPAGE like the prototype. The function is only
called when CONFIG_TRANSPARENT_HUGEPAGE=y.
Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
[mpe: Flesh out change log from linux-next patch]
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://msgid.link/20231127132809.45c2b398@canb.auug.org.au
Some of the fp/vmx code in sstep.c assume a certain maximum size for the
instructions being emulated. The size of those operations however is
determined separately in analyse_instr().
Add a check to validate the assumption on the maximum size of the
operations, so as to prevent any unintended kernel stack corruption.
Signed-off-by: Naveen N Rao <naveen@kernel.org>
Reviewed-by: Gustavo A. R. Silva <gustavoars@kernel.org>
Build-tested-by: Gustavo A. R. Silva <gustavoars@kernel.org>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://msgid.link/20231123071705.397625-1-naveen@kernel.org
Building with GCC with -Warray-bounds enabled there are several warnings
in sstep.c along the lines of:
In function ‘do_byte_reverse’,
inlined from ‘do_vec_load’ at arch/powerpc/lib/sstep.c:691:3,
inlined from ‘emulate_loadstore’ at arch/powerpc/lib/sstep.c:3439:9:
arch/powerpc/lib/sstep.c:289:23: error: array subscript 2 is outside array bounds of ‘u8[16]’ {aka ‘unsigned char[16]’} [-Werror=array-bounds=]
289 | up[2] = byterev_8(up[1]);
| ~~~~~~^~~~~~~~~~~~~~~~~~
arch/powerpc/lib/sstep.c: In function ‘emulate_loadstore’:
arch/powerpc/lib/sstep.c:681:11: note: at offset 16 into object ‘u’ of size 16
681 | } u = {};
| ^
do_byte_reverse() supports a size up to 32 bytes, but in these cases the
caller is only passing a 16 byte buffer. In practice there is no bug,
do_vec_load() is only called from the LOAD_VMX case in emulate_loadstore().
That in turn is only reached when analyse_instr() recognises VMX ops,
and in all cases the size is no greater than 16:
$ git grep -w LOAD_VMX arch/powerpc/lib/sstep.c
arch/powerpc/lib/sstep.c: op->type = MKOP(LOAD_VMX, 0, 1);
arch/powerpc/lib/sstep.c: op->type = MKOP(LOAD_VMX, 0, 2);
arch/powerpc/lib/sstep.c: op->type = MKOP(LOAD_VMX, 0, 4);
arch/powerpc/lib/sstep.c: op->type = MKOP(LOAD_VMX, 0, 16);
Similarly for do_vec_store().
Although the warning is incorrect, the code would be safer if it clamped
the size from the caller to the known size of the buffer. Do that using
min_t().
Reported-by: Bagas Sanjaya <bagasdotme@gmail.com>
Closes: https://lore.kernel.org/linuxppc-dev/YpbUcPrm61RLIiZF@debian.me/
Reported-by: Jan-Benedict Glaw <jbglaw@lug-owl.de>
Closes: https://lore.kernel.org/linuxppc-dev/20221212215117.aa7255t7qd6yefk4@lug-owl.de/
Reported-by: "Gustavo A. R. Silva" <gustavo@embeddedor.com>
Closes: https://lore.kernel.org/linuxppc-dev/6a8bf78c-aedb-4d5a-b0aa-82a51a17b884@embeddedor.com/
Reviewed-by: "Gustavo A. R. Silva" <gustavoars@kernel.org>
Build-tested-by: "Gustavo A. R. Silva" <gustavoars@kernel.org>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://msgid.link/20231120235436.1569255-1-mpe@ellerman.id.au
kasprintf() returns a pointer to dynamically allocated memory
which can be NULL upon failure. Ensure the allocation was successful
by checking the pointer validity.
Signed-off-by: Kunwu Chan <chentao@kylinos.cn>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://msgid.link/20231122030651.3818-1-chentao@kylinos.cn
crtsavres.o is linked to modules. However, as explained in commit
d0e628cd81 ("kbuild: doc: clarify the difference between extra-y
and always-y"), 'make modules' does not build extra-y.
For example, the following command fails:
$ make ARCH=powerpc LLVM=1 KBUILD_MODPOST_WARN=1 mrproper ps3_defconfig modules
[snip]
LD [M] arch/powerpc/platforms/cell/spufs/spufs.ko
ld.lld: error: cannot open arch/powerpc/lib/crtsavres.o: No such file or directory
make[3]: *** [scripts/Makefile.modfinal:56: arch/powerpc/platforms/cell/spufs/spufs.ko] Error 1
make[2]: *** [Makefile:1844: modules] Error 2
make[1]: *** [/home/masahiro/workspace/linux-kbuild/Makefile:350: __build_one_by_one] Error 2
make: *** [Makefile:234: __sub-make] Error 2
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Fixes: baa25b571a ("powerpc/64: Do not link crtsavres.o in vmlinux")
Reviewed-by: Nicholas Piggin <npiggin@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://msgid.link/20231120232332.4100288-1-masahiroy@kernel.org
The call to grackle_set_stg() ("Store Gathering") has always been inside
an #ifdef 0, since the code was first merged in v2.3.43pre7.
Apparently it was suspected of causing problems on some hardware so was
disabled. No one has ever proved otherwise so drop the code as unused
for now.
Reported-by: kernel test robot <lkp@intel.com>
Reported-by: Bjorn Helgaas <helgaas@kernel.org>
Closes: https://lore.kernel.org/all/20231031145600.GA9161@bhelgaas/
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://msgid.link/20231113051929.1952351-1-mpe@ellerman.id.au
Commit fb5a515704 ("powerpc: Remove platforms/wsp and associated
pieces") removed the A2 CPU support, but missed removal of reg_a2.h.
None of the defines contained in it are used, with the exception of the
SPRN_TEN* values, but they are also defined in reg_booke.h.
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://msgid.link/20231113043947.1931831-1-mpe@ellerman.id.au
The cpu_spec is a struct holding various information about the CPU the
kernel is executing on. It's populated early in boot and must not change
after that.
In particular the cpu_features and mmu_features hold the set of
discovered CPU/MMU features and are used to set static keys for each
feature, and do binary patching of assembly. So any change to the
cpu_features/mmu_features later in boot will not be reflected in
the state of the static keys or patched code.
There is already logic to check that cpu_features/mmu_features don't
change, see check_features() in feature-fixups.c.
But as another layer of protection the entire cpu_spec should be read
only after init, annotate it as such.
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://msgid.link/20231025012452.1985680-1-mpe@ellerman.id.au
Enable CONFIG_MEM_SOFT_DIRTY to get some test coverage. Distros enable
it, and it has been broken previously. See commit 66b2ca0862
("powerpc/64s/radix: Fix soft dirty tracking").
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://msgid.link/20231024112726.1819795-1-mpe@ellerman.id.au
rc is assigned first, so it does not need to initialize the assignment.
Signed-off-by: Li kunyu <kunyu@nfschina.com>
Acked-by: Andrew Donnellan <ajd@linux.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://msgid.link/20231113015229.12074-1-kunyu@nfschina.com
The link pointer does not need to cast the type.
Signed-off-by: Li zeming <zeming@nfschina.com>
Acked-by: Andrew Donnellan <ajd@linux.ibm.com>
Acked-by: Frederic Barrat <fbarrat@linux.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://msgid.link/20231113014533.11064-1-zeming@nfschina.com
The irq pointer does not need to cast the type.
Signed-off-by: Li zeming <zeming@nfschina.com>
Acked-by: Andrew Donnellan <ajd@linux.ibm.com>
Acked-by: Frederic Barrat <fbarrat@linux.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://msgid.link/20231113012202.7887-1-zeming@nfschina.com
The ctx pointer does not need to cast the type.
Signed-off-by: Li zeming <zeming@nfschina.com>
Acked-by: Andrew Donnellan <ajd@linux.ibm.com>
Acked-by: Frederic Barrat <fbarrat@linux.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://msgid.link/20231113011543.6940-1-zeming@nfschina.com
This header occasionally gains new function declarations without the
leading extern in accordance with current style rules. Leaving the
legacy externs in place is making the header more difficult to read
over time because of the inconsistency. Remove them.
Signed-off-by: Nathan Lynch <nathanl@linux.ibm.com>
[mpe: Add names to rtas_call() parameters]
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://msgid.link/20231106-rtas-trivial-v1-7-61847655c51f@linux.ibm.com
This is a pseries-specific function declaration that doesn't belong in
rtas.h. Move it to the pseries platform code and adjust
pseries/suspend.c accordingly.
Signed-off-by: Nathan Lynch <nathanl@linux.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://msgid.link/20231106-rtas-trivial-v1-5-61847655c51f@linux.ibm.com
rtas_service_present() has no more users.
rtas_function_implemented() is now the appropriate API for determining
whether a given RTAS function is available to call.
Signed-off-by: Nathan Lynch <nathanl@linux.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://msgid.link/20231106-rtas-trivial-v1-4-61847655c51f@linux.ibm.com
The call_rtas() function has never been a part of arch/powerpc, and
its implementation was removed from arch/ppc by 0a26b1364f ("ppc:
Remove CHRP, POWER3 and POWER4 support from arch/ppc").
Signed-off-by: Nathan Lynch <nathanl@linux.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://msgid.link/20231106-rtas-trivial-v1-3-61847655c51f@linux.ibm.com
These functions are only called locally and should be static like the
other corresponding functions are:
arch/powerpc/platforms/powermac/smp.c:416:13: error: no previous prototype for 'smp_psurge_take_timebase' [-Werror=missing-prototypes]
416 | void __init smp_psurge_take_timebase(void)
| ^~~~~~~~~~~~~~~~~~~~~~~~
arch/powerpc/platforms/powermac/smp.c:432:13: error: no previous prototype for 'smp_psurge_give_timebase' [-Werror=missing-prototypes]
432 | void __init smp_psurge_give_timebase(void)
| ^~~~~~~~~~~~~~~~~~~~~~~~
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://msgid.link/20231108125843.3806765-20-arnd@kernel.org
Allmodconfig builds show a warning about one function that is accidentally
marked global:
arch/powerpc/platforms/pasemi/setup.c:67:6: error: no previous prototype for 'pas_shutdown' [-Werror=missing-prototypes]
Fixes: 656fdf3ad8 ("powerpc/pasemi: Add Nemo board device init code.")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://msgid.link/20231108125843.3806765-19-arnd@kernel.org
Allmodconfig kernels produce a missing-prototypes warning:
arch/powerpc/platforms/ps3/gelic_udbg.c:239:6: error: no previous prototype for 'udbg_shutdown_ps3gelic' [-Werror=missing-prototypes]
Move the declaration from a local header to asm/ps3.h where it can be
seen from both the caller and the definition.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Geoff Levand <geoff@infradead.org>
Acked-by: Jakub Kicinski <kuba@kernel.org>
[mpe: Drop CONFIG_PS3GELIC_UDBG to fix build error]
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://msgid.link/20231108125843.3806765-18-arnd@kernel.org
- Fix section mismatch warning messages for riscv and loongarch
- Remove CONFIG_IA64 left-over from linux/export-internal.h
- Fix the location of the quotes for UIMAGE_NAME
- Fix a memory leak bug in Kconfig
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Merge tag 'kbuild-fixes-v6.7' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild
Pull Kbuild fixes from Masahiro Yamada:
- Fix section mismatch warning messages for riscv and loongarch
- Remove CONFIG_IA64 left-over from linux/export-internal.h
- Fix the location of the quotes for UIMAGE_NAME
- Fix a memory leak bug in Kconfig
* tag 'kbuild-fixes-v6.7' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild:
kconfig: fix memory leak from range properties
kbuild: Move the single quotes for image name
linux/export: clean up the IA-64 KSYM_FUNC macro
modpost: fix section mismatch message for RELA
- Fix a back-to-back signals handling scenario when shadow stack is in
use
- A documentation fix
- Add Kirill as TDX maintainer
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Merge tag 'x86_urgent_for_v6.7_rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 fixes from Borislav Petkov:
- Ignore invalid x2APIC entries in order to not waste per-CPU data
- Fix a back-to-back signals handling scenario when shadow stack is in
use
- A documentation fix
- Add Kirill as TDX maintainer
* tag 'x86_urgent_for_v6.7_rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/acpi: Ignore invalid x2APIC entries
x86/shstk: Delay signal entry SSP write until after user accesses
x86/Documentation: Indent 'note::' directive for protocol version number note
MAINTAINERS: Add Intel TDX entry
offlined earlier in the offlining process in order to prevent
a deadlock
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Merge tag 'timers_urgent_for_v6.7_rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull timer fix from Borislav Petkov:
- Do the push of pending hrtimers away from a CPU which is being
offlined earlier in the offlining process in order to prevent a
deadlock
* tag 'timers_urgent_for_v6.7_rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
hrtimers: Push pending hrtimers away from outgoing CPU earlier
weights
- Fix wrongly rejected unprivileged poll requests to the cgroup psi
pressure files
- Make sure the load balancing is done by only one CPU
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Merge tag 'sched_urgent_for_v6.7_rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull scheduler fixes from Borislav Petkov:
- Fix virtual runtime calculation when recomputing a sched entity's
weights
- Fix wrongly rejected unprivileged poll requests to the cgroup psi
pressure files
- Make sure the load balancing is done by only one CPU
* tag 'sched_urgent_for_v6.7_rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
sched/fair: Fix the decision for load balance
sched: psi: fix unprivileged polling against cgroups
sched/eevdf: Fix vruntime adjustment on reweight
failure
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Merge tag 'locking_urgent_for_v6.7_rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull locking fix from Borislav Petkov:
- Fix a hardcoded futex flags case which lead to one robust futex test
failure
* tag 'locking_urgent_for_v6.7_rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
futex: Fix hardcoded flags
7 small fixes, 6 in drivers and one in sd. The sd fix is so large
because it changes a struct pointer to a struct but otherwise is
fairly simple.
Signed-off-by: James E.J. Bottomley <jejb@linux.ibm.com>
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Merge tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
Pull SCSI fixes from James Bottomley:
"Seven small fixes, six in drivers and one in sd.
The sd fix is so large because it changes a struct pointer to a struct
but otherwise is fairly simple"
* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
scsi: ufs: qcom-ufs: dt-bindings: Document the SM8650 UFS Controller
scsi: sd: Fix sshdr use in sd_suspend_common()
scsi: scsi_debug: Delete some bogus error checking
scsi: scsi_debug: Fix some bugs in sdebug_error_write()
scsi: ufs: core: Fix racing issue between ufshcd_mcq_abort() and ISR
scsi: ufs: core: Expand MCQ queue slot to DeviceQueueDepth + 1
scsi: qla2xxx: Fix system crash due to bad pointer access
- Fix power soft-off on qemu
- Disable prctl(PR_SET_MDWE) since parisc sometimes still needs
writeable stacks
- Use strscpy instead of strlcpy in show_cpuinfo()
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Merge tag 'parisc-for-6.7-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux
Pull parisc fixes from Helge Deller:
"On parisc we still sometimes need writeable stacks, e.g. if programs
aren't compiled with gcc-14. To avoid issues with the upcoming
systemd-254 we therefore have to disable prctl(PR_SET_MDWE) for now
(for parisc only).
The other two patches are minor: a bugfix for the soft power-off on
qemu with 64-bit kernel and prefer strscpy() over strlcpy():
- Fix power soft-off on qemu
- Disable prctl(PR_SET_MDWE) since parisc sometimes still needs
writeable stacks
- Use strscpy instead of strlcpy in show_cpuinfo()"
* tag 'parisc-for-6.7-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux:
prctl: Disable prctl(PR_SET_MDWE) on parisc
parisc/power: Fix power soft-off when running on qemu
parisc: Replace strlcpy() with strscpy()
* Fix deadlock arising due to intent items in AIL not being cleared when log
recovery fails.
* Fix stale data exposure bug when remapping COW fork extents to data fork.
* Fix deadlock when data device flush fails.
* Fix AGFL minimum size calculation.
* Select DEBUG_FS instead of XFS_DEBUG when XFS_ONLINE_SCRUB_STATS is
selected.
* Fix corruption of log inode's extent count field when NREXT64 feature is
enabled.
Signed-off-by: Chandan Babu R <chandanbabu@kernel.org>
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Merge tag 'xfs-6.7-fixes-1' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux
Pull xfs fixes from Chandan Babu:
- Fix deadlock arising due to intent items in AIL not being cleared
when log recovery fails
- Fix stale data exposure bug when remapping COW fork extents to data
fork
- Fix deadlock when data device flush fails
- Fix AGFL minimum size calculation
- Select DEBUG_FS instead of XFS_DEBUG when XFS_ONLINE_SCRUB_STATS is
selected
- Fix corruption of log inode's extent count field when NREXT64 feature
is enabled
* tag 'xfs-6.7-fixes-1' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux:
xfs: recovery should not clear di_flushiter unconditionally
xfs: inode recovery does not validate the recovered inode
xfs: fix again select in kconfig XFS_ONLINE_SCRUB_STATS
xfs: fix internal error from AGFL exhaustion
xfs: up(ic_sema) if flushing data device fails
xfs: only remap the written blocks in xfs_reflink_end_cow_extent
XFS: Update MAINTAINERS to catch all XFS documentation
xfs: abort intent items when recovery intents fail
xfs: factor out xfs_defer_pending_abort
- Fix several long-standing bugs in the duplicate reply cache
- Fix a memory leak
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Merge tag 'nfsd-6.7-1' of git://git.kernel.org/pub/scm/linux/kernel/git/cel/linux
Pull nfsd fixes from Chuck Lever:
- Fix several long-standing bugs in the duplicate reply cache
- Fix a memory leak
* tag 'nfsd-6.7-1' of git://git.kernel.org/pub/scm/linux/kernel/git/cel/linux:
NFSD: Fix checksum mismatches in the duplicate reply cache
NFSD: Fix "start of NFS reply" pointer passed to nfsd_cache_update()
NFSD: Update nfsd_cache_append() to use xdr_stream
nfsd: fix file memleak on client_opens_release
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Merge tag '6.7-rc1-smb3-client-fixes' of git://git.samba.org/sfrench/cifs-2.6
Pull smb client fixes from Steve French:
- multichannel fixes (including a lock ordering fix and an important
refcounting fix)
- spnego fix
* tag '6.7-rc1-smb3-client-fixes' of git://git.samba.org/sfrench/cifs-2.6:
cifs: fix lock ordering while disabling multichannel
cifs: fix leak of iface for primary channel
cifs: fix check of rc in function generate_smb3signingkey
cifs: spnego: add ';' in HOST_KEY_LEN
systemd-254 tries to use prctl(PR_SET_MDWE) for it's MemoryDenyWriteExecute
functionality, but fails on parisc which still needs executable stacks in
certain combinations of gcc/glibc/kernel.
Disable prctl(PR_SET_MDWE) by returning -EINVAL for now on parisc, until
userspace has catched up.
Signed-off-by: Helge Deller <deller@gmx.de>
Co-developed-by: Linus Torvalds <torvalds@linux-foundation.org>
Reported-by: Sam James <sam@gentoo.org>
Closes: https://github.com/systemd/systemd/issues/29775
Tested-by: Sam James <sam@gentoo.org>
Link: https://lore.kernel.org/all/875y2jro9a.fsf@gentoo.org/
Cc: <stable@vger.kernel.org> # v6.3+
introduced during the 6.7 merge.
- Fixes to both DM bufio and the verity target for no-sleep mode, to
address sleeping while atomic issues.
- Update DM crypt target in response to the treewide change that made
MAX_ORDER inclusive.
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Merge tag 'for-6.7/dm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm
Pull device mapper fixes from Mike Snitzer:
- Various fixes for the DM delay target to address regressions
introduced during the 6.7 merge window
- Fixes to both DM bufio and the verity target for no-sleep mode,
to address sleeping while atomic issues
- Update DM crypt target in response to the treewide change that
made MAX_ORDER inclusive
* tag 'for-6.7/dm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm:
dm-crypt: start allocating with MAX_ORDER
dm-verity: don't use blocking calls from tasklets
dm-bufio: fix no-sleep mode
dm-delay: avoid duplicate logic
dm-delay: fix bugs introduced by kthread mode
dm-delay: fix a race between delay_presuspend and delay_bio
Firmware returns the physical address of the power switch,
so need to use gsc_writel() instead of direct memory access.
Fixes: d0c2194729 ("parisc/power: Add power soft-off when running on qemu")
Signed-off-by: Helge Deller <deller@gmx.de>
Cc: stable@vger.kernel.org # v6.0+
strlcpy() reads the entire source buffer first. This read may exceed
the destination size limit. This is both inefficient and can lead
to linear read overflows if a source string is not NUL-terminated[1].
Additionally, it returns the size of the source string, not the
resulting size of the destination string. In an effort to remove strlcpy()
completely[2], replace strlcpy() here with strscpy().
Link: https://www.kernel.org/doc/html/latest/process/deprecated.html#strlcpy [1]
Link: https://github.com/KSPP/linux/issues/89 [2]
Cc: "James E.J. Bottomley" <James.Bottomley@HansenPartnership.com>
Cc: Helge Deller <deller@gmx.de>
Cc: Azeem Shaikh <azeemshaikh38@gmail.com>
Cc: linux-parisc@vger.kernel.org
Signed-off-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Helge Deller <deller@gmx.de>
IO accessors for designware, and use proper PM level for ocores to allow
accessing interrupt providers late.
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Merge tag 'i2c-for-6.7-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux
Pull i2c fixes from Wolfram Sang:
"Revert a not-working conversion to generic recovery for PXA,
use proper IO accessors for designware, and use proper PM level
for ocores to allow accessing interrupt providers late"
* tag 'i2c-for-6.7-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux:
i2c: ocores: Move system PM hooks to the NOIRQ phase
i2c: designware: Fix corrupted memory seen in the ISR
Revert "i2c: pxa: move to generic GPIO recovery"
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Merge tag 'turbostat-2023.11.07' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux
Pull turbostat updates from Len Brown:
- Turbostat features are now table-driven (Rui Zhang)
- Add support for some new platforms (Sumeet Pawnikar, Rui Zhang)
- Gracefully run in configs when CPUs are limited (Rui Zhang, Srinivas
Pandruvada)
- misc minor fixes
[ This came in during the merge window, but sorting out the signed tag
took a while, so thus the late merge - Linus ]
* tag 'turbostat-2023.11.07' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux: (86 commits)
tools/power turbostat: version 2023.11.07
tools/power/turbostat: bugfix "--show IPC"
tools/power/turbostat: Add initial support for LunarLake
tools/power/turbostat: Add initial support for ArrowLake
tools/power/turbostat: Add initial support for GrandRidge
tools/power/turbostat: Add initial support for SierraForest
tools/power/turbostat: Add initial support for GraniteRapids
tools/power/turbostat: Add MSR_CORE_C1_RES support for spr_features
tools/power/turbostat: Move process to root cgroup
tools/power/turbostat: Handle cgroup v2 cpu limitation
tools/power/turbostat: Abstrct function for parsing cpu string
tools/power/turbostat: Handle offlined CPUs in cpu_subset
tools/power/turbostat: Obey allowed CPUs for system summary
tools/power/turbostat: Obey allowed CPUs for primary thread/core detection
tools/power/turbostat: Abstract several functions
tools/power/turbostat: Obey allowed CPUs during startup
tools/power/turbostat: Obey allowed CPUs when accessing CPU counters
tools/power/turbostat: Introduce cpu_allowed_set
tools/power/turbostat: Remove PC7/PC9 support on ADL/RPL
tools/power/turbostat: Enable MSR_CORE_C1_RES on recent Intel client platforms
...
Lots of small fixes for minor nits and compiler warnings. Bigger items:
- The six locks lost wakeup is finally fixed: six_read_trylock() was
checking for the waiting bit before decrementing the number of
readers - validated the fix with a torture test.
- Fix for a memory reclaim issue: when needing to reallocate a key
cache key, we now do our usual GFP_NOWAIT; unlock(); GFP_KERNEL
dance.
- Multiple deleted inodes btree fixes
- Fix an issue in fsck, where i_nlink would be recalculated incorrectly
for hardlinked files if a snapshot had ever been taken.
- Kill journal pre-reservations: This is a bigger patch than I would
normally send at this point, but it deletes code and it fixes some of
our tests that would sporadically die with the journal getting stuck,
and it's a performance improvement, too.
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Merge tag 'bcachefs-2023-11-17' of https://evilpiepirate.org/git/bcachefs
Pull bcachefs fixes from Kent Overstreet:
"Lots of small fixes for minor nits and compiler warnings.
Bigger items:
- The six locks lost wakeup is finally fixed: six_read_trylock() was
checking for the waiting bit before decrementing the number of
readers - validated the fix with a torture test.
- Fix for a memory reclaim issue: when needing to reallocate a key
cache key, we now do our usual GFP_NOWAIT; unlock(); GFP_KERNEL
dance.
- Multiple deleted inodes btree fixes
- Fix an issue in fsck, where i_nlink would be recalculated
incorrectly for hardlinked files if a snapshot had ever been taken.
- Kill journal pre-reservations: This is a bigger patch than I would
normally send at this point, but it deletes code and it fixes some
of our tests that would sporadically die with the journal getting
stuck, and it's a performance improvement, too"
* tag 'bcachefs-2023-11-17' of https://evilpiepirate.org/git/bcachefs: (22 commits)
bcachefs: Fix missing locking for dentry->d_parent access
bcachefs: six locks: Fix lost wakeup
bcachefs: Fix no_data_io mode checksum check
bcachefs: Fix bch2_check_nlinks() for snapshots
bcachefs: Don't decrease BTREE_ITER_MAX when LOCKDEP=y
bcachefs: Disable debug log statements
bcachefs: Fix missing transaction commit
bcachefs: Fix error path in bch2_mount()
bcachefs: Fix potential sleeping during mount
bcachefs: Fix iterator leak in may_delete_deleted_inode()
bcachefs: Kill journal pre-reservations
bcachefs: Check for nonce offset inconsistency in data_update path
bcachefs: Make sure to drop/retake btree locks before reclaim
bcachefs: btree_trans->write_locked
bcachefs: Run btree key cache shrinker less aggressively
bcachefs: Split out btree_key_cache_types.h
bcachefs: Guard against insufficient devices to create stripes
bcachefs: Fix null ptr deref in bch2_backpointer_get_node()
bcachefs: Fix multiple -Warray-bounds warnings
bcachefs: Use DECLARE_FLEX_ARRAY() helper and fix multiple -Warray-bounds warnings
...
post-6.6 issues or aren't considered suitable for backporting.
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Merge tag 'mm-hotfixes-stable-2023-11-17-14-04' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
Pull misc fixes from Andrew Morton:
"Thirteen hotfixes. Seven are cc:stable and the remainder pertain to
post-6.6 issues or aren't considered suitable for backporting"
* tag 'mm-hotfixes-stable-2023-11-17-14-04' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm:
mm: more ptep_get() conversion
parisc: fix mmap_base calculation when stack grows upwards
mm/damon/core.c: avoid unintentional filtering out of schemes
mm: kmem: drop __GFP_NOFAIL when allocating objcg vectors
mm/damon/sysfs-schemes: handle tried region directory allocation failure
mm/damon/sysfs-schemes: handle tried regions sysfs directory allocation failure
mm/damon/sysfs: check error from damon_sysfs_update_target()
mm: fix for negative counter: nr_file_hugepages
selftests/mm: add hugetlb_fault_after_madv to .gitignore
selftests/mm: restore number of hugepages
selftests: mm: fix some build warnings
selftests: mm: skip whole test instead of failure
mm/damon/sysfs: eliminate potential uninitialized variable warning
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Merge tag 'block-6.7-2023-11-17' of git://git.kernel.dk/linux
Pull block fix from Jens Axboe:
"Just a single fix from Christoph/Ming, fixing a case where integrity
IO could be called without having an appropriate queue reference"
* tag 'block-6.7-2023-11-17' of git://git.kernel.dk/linux:
blk-mq: make sure active queue usage is held for bio_integrity_prep()
