Commit Graph

1266837 Commits

Author SHA1 Message Date
Leo Ma
ce649bd2d8 drm/amd/display: Fix DC mode screen flickering on DCN321
[Why && How]
Screen flickering saw on 4K@60 eDP with high refresh rate external
monitor when booting up in DC mode. DC Mode Capping is disabled
which caused wrong UCLK being used.

Reviewed-by: Alvin Lee <alvin.lee2@amd.com>
Acked-by: Wayne Lin <wayne.lin@amd.com>
Signed-off-by: Leo Ma <hanghong.ma@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2024-04-30 21:48:25 -04:00
Rodrigo Siqueira
0e62103bdc drm/amd/display: Add VCO speed parameter for DCN31 FPU
Add VCO speed parameters in the bounding box array.

Acked-by: Wayne Lin <wayne.lin@amd.com>
Signed-off-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2024-04-30 21:45:27 -04:00
Vitaly Lifshits
387f295cb2 e1000e: change usleep_range to udelay in PHY mdic access
This is a partial revert of commit 6dbdd4de03 ("e1000e: Workaround
for sporadic MDI error on Meteor Lake systems"). The referenced commit
used usleep_range inside the PHY access routines, which are sometimes
called from an atomic context. This can lead to a kernel panic in some
scenarios, such as cable disconnection and reconnection on vPro systems.

Solve this by changing the usleep_range calls back to udelay.

Fixes: 6dbdd4de03 ("e1000e: Workaround for sporadic MDI error on Meteor Lake systems")
Cc: stable@vger.kernel.org
Reported-by: Jérôme Carretero <cJ@zougloub.eu>
Closes: https://bugzilla.kernel.org/show_bug.cgi?id=218740
Closes: https://lore.kernel.org/lkml/a7eb665c74b5efb5140e6979759ed243072cb24a.camel@zougloub.eu/
Co-developed-by: Sasha Neftin <sasha.neftin@intel.com>
Signed-off-by: Sasha Neftin <sasha.neftin@intel.com>
Signed-off-by: Vitaly Lifshits <vitaly.lifshits@intel.com>
Tested-by: Dima Ruinskiy <dima.ruinskiy@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://lore.kernel.org/r/20240429171040.1152516-1-anthony.l.nguyen@intel.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2024-04-30 18:40:59 -07:00
Christian König
d3a9331a65 drm/amdgpu: once more fix the call oder in amdgpu_ttm_move() v2
This reverts drm/amdgpu: fix ftrace event amdgpu_bo_move always move
on same heap. The basic problem here is that after the move the old
location is simply not available any more.

Some fixes were suggested, but essentially we should call the move
notification before actually moving things because only this way we have
the correct order for DMA-buf and VM move notifications as well.

Also rework the statistic handling so that we don't update the eviction
counter before the move.

v2: add missing NULL check

Signed-off-by: Christian König <christian.koenig@amd.com>
Fixes: 94aeb41173 ("drm/amdgpu: fix ftrace event amdgpu_bo_move always move on same heap")
Closes: https://gitlab.freedesktop.org/drm/amd/-/issues/3171
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
CC: stable@vger.kernel.org
2024-04-30 21:39:57 -04:00
Meenakshikumar Somasundaram
46fe9cb1a9 drm/amd/display: Allocate zero bw after bw alloc enable
[Why]
During DP tunnel creation, CM preallocates BW and reduces
estimated BW of other DPIA. CM release preallocation only
when allocation is complete. Display mode validation logic
validates timings based on bw available per host router.
In multi display setup, this causes bw allocation failure
when allocation greater than estimated bw.

[How]
Do zero alloc to make the CM to release preallocation and
update estimated BW correctly for all DPIAs per host router.

Reviewed-by: PeiChen Huang <peichen.huang@amd.com>
Acked-by: Aurabindo Pillai <aurabindo.pillai@amd.com>
Signed-off-by: Meenakshikumar Somasundaram <meenakshikumar.somasundaram@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2024-04-30 21:37:21 -04:00
Hersen Wu
892b41b16f drm/amd/display: Fix incorrect DSC instance for MST
[Why] DSC debugfs, such as dp_dsc_clock_en_read,
use aconnector->dc_link to find pipe_ctx for display.
Displays connected to MST hub share the same dc_link.
DSC instance is from pipe_ctx. This causes incorrect
DSC instance for display connected to MST hub.

[How] Add aconnector->sink check to find pipe_ctx.

CC: stable@vger.kernel.org
Reviewed-by: Aurabindo Pillai <aurabindo.pillai@amd.com>
Signed-off-by: Hersen Wu <hersenxs.wu@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2024-04-30 21:36:17 -04:00
Gabe Teeger
9a35d205f4 drm/amd/display: Atom Integrated System Info v2_2 for DCN35
New request from KMD/VBIOS in order to support new UMA carveout
model. This fixes a null dereference from accessing
Ctx->dc_bios->integrated_info while it was NULL.

DAL parses through the BIOS and extracts the necessary
integrated_info but was missing a case for the new BIOS
version 2.3.

Reviewed-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com>
Acked-by: Aurabindo Pillai <aurabindo.pillai@amd.com>
Signed-off-by: Gabe Teeger <gabe.teeger@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2024-04-30 21:35:15 -04:00
Marek Behún
b9a61c2017 net: dsa: mv88e6xxx: Fix number of databases for 88E6141 / 88E6341
The Topaz family (88E6141 and 88E6341) only support 256 Forwarding
Information Tables.

Fixes: a75961d0eb ("net: dsa: mv88e6xxx: Add support for ethernet switch 88E6341")
Fixes: 1558727a1c ("net: dsa: mv88e6xxx: Add support for ethernet switch 88E6141")
Signed-off-by: Marek Behún <kabel@kernel.org>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Reviewed-by: Florian Fainelli <florian.fainelli@broadcom.com>
Link: https://lore.kernel.org/r/20240429133832.9547-1-kabel@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2024-04-30 18:33:14 -07:00
Swapnil Patel
a01b64f31d drm/amd/display: Add dtbclk access to dcn315
[Why & How]

Currently DCN315 clk manager is missing code to enable/disable dtbclk.
Because of this, "optimized_required" flag is constantly set
and this prevents FreeSync from engaging for certain high bandwidth
display Modes which require DTBCLK.

Reviewed-by: Dmytro Laktyushkin <dmytro.laktyushkin@amd.com>
Acked-by: Aurabindo Pillai <aurabindo.pillai@amd.com>
Signed-off-by: Swapnil Patel <swapnil.patel@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2024-04-30 21:31:55 -04:00
Sebastian Andrzej Siewior
9067eccdd7 cxgb4: Properly lock TX queue for the selftest.
The selftest for the driver sends a dummy packet and checks if the
packet will be received properly as it should be. The regular TX path
and the selftest can use the same network queue so locking is required
and was missing in the selftest path. This was addressed in the commit
cited below.
Unfortunately locking the TX queue requires BH to be disabled which is
not the case in selftest path which is invoked in process context.
Lockdep should be complaining about this.

Use __netif_tx_lock_bh() for TX queue locking.

Fixes: c650e04898 ("cxgb4: Fix race between loopback and normal Tx path")
Reported-by: "John B. Wyatt IV" <jwyatt@redhat.com>
Closes: https://lore.kernel.org/all/Zic0ot5aGgR-V4Ks@thinkpad2021/
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Link: https://lore.kernel.org/r/20240429091147.YWAaal4v@linutronix.de
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2024-04-30 18:30:56 -07:00
Yunsheng Lin
9f8eeea164 rxrpc: Fix using alignmask being zero for __page_frag_alloc_align()
rxrpc_alloc_data_txbuf() may be called with data_align being
zero in none_alloc_txbuf() and rxkad_alloc_txbuf(), data_align
is supposed to be an order-based alignment value, but zero is
not a valid order-based alignment value, and '~(data_align - 1)'
doesn't result in a valid mask-based alignment value for
__page_frag_alloc_align().

Fix it by passing a valid order-based alignment value in
none_alloc_txbuf() and rxkad_alloc_txbuf().

Also use page_frag_alloc_align() expecting an order-based
alignment value in rxrpc_alloc_data_txbuf() to avoid doing the
alignment converting operation and to catch possible invalid
alignment value in the future. Remove the 'if (data_align)'
checking too, as it is always true for a valid order-based
alignment value.

Fixes: 6b2536462f ("rxrpc: Fix use of changed alignment param to page_frag_alloc_align()")
Fixes: 49489bb03a ("rxrpc: Do zerocopy using MSG_SPLICE_PAGES and page frags")
CC: Alexander Duyck <alexander.duyck@gmail.com>
Signed-off-by: Yunsheng Lin <linyunsheng@huawei.com>
Acked-by: David Howells <dhowells@redhat.com>
Link: https://lore.kernel.org/r/20240428111640.27306-1-linyunsheng@huawei.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2024-04-30 18:30:43 -07:00
Rodrigo Siqueira
be53bd4f00 drm/amd/display: Ensure that dmcub support flag is set for DCN20
In the DCN20 resource initialization, ensure that DMCUB support starts
configured as true.

Signed-off-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Acked-by: Aurabindo Pillai <aurabindo.pillai@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2024-04-30 21:30:16 -04:00
George Shen
719564737a drm/amd/display: Handle Y carry-over in VCP X.Y calculation
Theoretically rare corner case where ceil(Y) results in rounding up to
an integer. If this happens, the 1 should be carried over to the X
value.

CC: stable@vger.kernel.org
Reviewed-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Signed-off-by: George Shen <george.shen@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2024-04-30 21:26:04 -04:00
Mukul Joshi
f06446ef23 drm/amdgpu: Fix VRAM memory accounting
Subtract the VRAM pinned memory when checking for available memory
in amdgpu_amdkfd_reserve_mem_limit function since that memory is not
available for use.

Signed-off-by: Mukul Joshi <mukul.joshi@amd.com>
Reviewed-by: Felix Kuehling <felix.kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2024-04-30 21:22:50 -04:00
Uday Shankar
eaf4a9b19b ublk: remove segment count and size limits
ublk_drv currently creates block devices with the default max_segments
and max_segment_size limits of BLK_MAX_SEGMENTS (128) and
BLK_MAX_SEGMENT_SIZE (65536) respectively. These defaults can
artificially constrain the I/O size seen by the ublk server - for
example, suppose that the ublk server has configured itself to accept
I/Os up to 1M and the application is also issuing 1M sized I/Os. If the
I/O buffer used by the application is backed by 4K pages, the buffer
could consist of up to 1M / 4K = 256 physically discontiguous segments
(even if the buffer is virtually contiguous). As such, the I/O could
exceed the default max_segments limit and get split. This can cause
unnecessary performance issues if the ublk server is optimized to handle
1M I/Os. The block layer's segment count/size limits exist to model
hardware constraints which don't exist in ublk_drv's case, so just
remove those limits for the block devices created by ublk_drv.

Signed-off-by: Uday Shankar <ushankar@purestorage.com>
Reviewed-by: Riley Thomasson <riley@purestorage.com>
Reviewed-by: Ming Lei <ming.lei@redhat.com>
Link: https://lore.kernel.org/r/20240430211623.2802036-1-ushankar@purestorage.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
2024-04-30 15:36:50 -06:00
Marek Szyprowski
aacb99de10 clk: samsung: Revert "clk: Use device_get_match_data()"
device_get_match_data() function should not be used on the device other
than the one matched to the given driver, because it always returns the
match_data of the matched driver. In case of exynos-clkout driver, the
original code matches the OF IDs on the PARENT device, so replacing it
with of_device_get_match_data() broke the driver.

This has been already pointed once in commit 2bc5febd05 ("clk: samsung:
Revert "clk: samsung: exynos-clkout: Use of_device_get_match_data()"").
To avoid further confusion, add a comment about this special case, which
requires direct of_match_device() call to pass custom IDs array.

This partially reverts commit 409c39ec92.

Cc: <stable@vger.kernel.org>
Fixes: 409c39ec92 ("clk: Use device_get_match_data()")
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Link: https://lore.kernel.org/r/20240425075628.838497-1-m.szyprowski@samsung.com
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20240430184656.357805-1-krzysztof.kozlowski@linaro.org
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2024-04-30 14:24:27 -07:00
Linus Torvalds
18daea77cc A pretty straightforward fix for a NULL pointer dereference,
plus the accompanying reproducer.
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm

Pull kvm fix from Paolo Bonzini:
 "A pretty straightforward fix for a NULL pointer dereference, plus the
  accompanying reproducer"

* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm:
  KVM: selftests: Add test for uaccesses to non-existent vgic-v2 CPUIF
  KVM: arm64: vgic-v2: Check for non-NULL vCPU in vgic_v2_parse_attr()
2024-04-30 12:40:41 -07:00
Uwe Kleine-König
0537c8eef4 Input: amimouse - mark driver struct with __refdata to prevent section mismatch
As described in the added code comment, a reference to .exit.text is ok
for drivers registered via module_platform_driver_probe(). Make this
explicit to prevent the following section mismatch warning

	WARNING: modpost: drivers/input/mouse/amimouse: section mismatch in reference: amimouse_driver+0x8 (section: .data) -> amimouse_remove (section: .exit.text)

that triggers on an allmodconfig W=1 build.

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Link: https://lore.kernel.org/r/2e3783106bf6bd9a7bdeb12b706378fb16316471.1711748999.git.u.kleine-koenig@pengutronix.de
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2024-04-30 11:47:23 -07:00
Paolo Bonzini
16c20208b9 KVM/arm64 fixes for 6.9, part #2
- Fix + test for a NULL dereference resulting from unsanitised user
   input in the vgic-v2 device attribute accessors
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Merge tag 'kvmarm-fixes-6.9-2' of git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm into HEAD

KVM/arm64 fixes for 6.9, part #2

- Fix + test for a NULL dereference resulting from unsanitised user
  input in the vgic-v2 device attribute accessors
2024-04-30 13:50:55 -04:00
Badhri Jagan Sridharan
ae11f04b45 usb: typec: tcpm: Check for port partner validity before consuming it
typec_register_partner() does not guarantee partner registration
to always succeed. In the event of failure, port->partner is set
to the error value or NULL. Given that port->partner validity is
not checked, this results in the following crash:

Unable to handle kernel NULL pointer dereference at virtual address xx
 pc : run_state_machine+0x1bc8/0x1c08
 lr : run_state_machine+0x1b90/0x1c08
..
 Call trace:
   run_state_machine+0x1bc8/0x1c08
   tcpm_state_machine_work+0x94/0xe4
   kthread_worker_fn+0x118/0x328
   kthread+0x1d0/0x23c
   ret_from_fork+0x10/0x20

To prevent the crash, check for port->partner validity before
derefencing it in all the call sites.

Cc: stable@vger.kernel.org
Fixes: c97cd0b4b5 ("usb: typec: tcpm: set initial svdm version based on pd revision")
Signed-off-by: Badhri Jagan Sridharan <badhri@google.com>
Reviewed-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Link: https://lore.kernel.org/r/20240427202812.3435268-1-badhri@google.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2024-04-30 19:44:45 +02:00
RD Babiera
cdc9946ea6 usb: typec: tcpm: enforce ready state when queueing alt mode vdm
Before sending Enter Mode for an Alt Mode, there is a gap between Discover
Modes and the Alt Mode driver queueing the Enter Mode VDM for the port
partner to send a message to the port.

If this message results in unregistering Alt Modes such as in a DR_SWAP,
then the following deadlock can occur with respect to the DisplayPort Alt
Mode driver:
1. The DR_SWAP state holds port->lock. Unregistering the Alt Mode driver
results in a cancel_work_sync() that waits for the current dp_altmode_work
to finish.
2. dp_altmode_work makes a call to tcpm_altmode_enter. The deadlock occurs
because tcpm_queue_vdm_unlock attempts to hold port->lock.

Before attempting to grab the lock, ensure that the port is in a state
vdm_run_state_machine can run in. Alt Mode unregistration will not occur
in these states.

Fixes: 03eafcfb60 ("usb: typec: tcpm: Add tcpm_queue_vdm_unlocked() helper")
Cc: stable@vger.kernel.org
Signed-off-by: RD Babiera <rdbabiera@google.com>
Reviewed-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Link: https://lore.kernel.org/r/20240423202356.3372314-2-rdbabiera@google.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2024-04-30 19:44:36 +02:00
Amit Sunil Dhamne
230ecdf71a usb: typec: tcpm: unregister existing source caps before re-registration
Check and unregister existing source caps in tcpm_register_source_caps
function before registering new ones. This change fixes following
warning when port partner resends source caps after negotiating PD contract
for the purpose of re-negotiation.

[  343.135030][  T151] sysfs: cannot create duplicate filename '/devices/virtual/usb_power_delivery/pd1/source-capabilities'
[  343.135071][  T151] Call trace:
[  343.135076][  T151]  dump_backtrace+0xe8/0x108
[  343.135099][  T151]  show_stack+0x18/0x24
[  343.135106][  T151]  dump_stack_lvl+0x50/0x6c
[  343.135119][  T151]  dump_stack+0x18/0x24
[  343.135126][  T151]  sysfs_create_dir_ns+0xe0/0x140
[  343.135137][  T151]  kobject_add_internal+0x228/0x424
[  343.135146][  T151]  kobject_add+0x94/0x10c
[  343.135152][  T151]  device_add+0x1b0/0x4c0
[  343.135187][  T151]  device_register+0x20/0x34
[  343.135195][  T151]  usb_power_delivery_register_capabilities+0x90/0x20c
[  343.135209][  T151]  tcpm_pd_rx_handler+0x9f0/0x15b8
[  343.135216][  T151]  kthread_worker_fn+0x11c/0x260
[  343.135227][  T151]  kthread+0x114/0x1bc
[  343.135235][  T151]  ret_from_fork+0x10/0x20
[  343.135265][  T151] kobject: kobject_add_internal failed for source-capabilities with -EEXIST, don't try to register things with the same name in the same directory.

Fixes: 8203d26905 ("usb: typec: tcpm: Register USB Power Delivery Capabilities")
Cc: linux-usb@vger.kernel.org
Cc: stable@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Cc: Mark Brown <broonie@kernel.org>
Signed-off-by: Amit Sunil Dhamne <amitsd@google.com>
Reviewed-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Link: https://lore.kernel.org/r/20240424223227.1807844-1-amitsd@google.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2024-04-30 19:44:15 +02:00
RD Babiera
bf20c69cf3 usb: typec: tcpm: clear pd_event queue in PORT_RESET
When a Fast Role Swap control message attempt results in a transition
to ERROR_RECOVERY, the TCPC can still queue a TCPM_SOURCING_VBUS event.

If the event is queued but processed after the tcpm_reset_port() call
in the PORT_RESET state, then the following occurs:
1. tcpm_reset_port() calls tcpm_init_vbus() to reset the vbus sourcing and
sinking state
2. tcpm_pd_event_handler() turns VBUS on before the port is in the default
state.
3. The port resolves as a sink. In the SNK_DISCOVERY state,
tcpm_set_charge() cannot set vbus to charge.

Clear pd events within PORT_RESET to get rid of non-applicable events.

Fixes: b17dd57118 ("staging: typec: tcpm: Improve role swap with non PD capable partners")
Cc: stable@vger.kernel.org
Signed-off-by: RD Babiera <rdbabiera@google.com>
Reviewed-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Link: https://lore.kernel.org/r/20240423202715.3375827-2-rdbabiera@google.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2024-04-30 19:43:54 +02:00
RD Babiera
edc5a009ee usb: typec: tcpm: queue correct sop type in tcpm_queue_vdm_unlocked
tcpm_queue_vdm_unlocked queues VDMs over SOP regardless of input
parameter tx_sop_type. Fix tcpm_queue_vdm() call.

Fixes: 7e7877c55e ("usb: typec: tcpm: add alt mode enter/exit/vdm support for sop'")
Cc: stable@vger.kernel.org
Signed-off-by: RD Babiera <rdbabiera@google.com>
Reviewed-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Link: https://lore.kernel.org/r/20240423202546.3374218-2-rdbabiera@google.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2024-04-30 19:43:47 +02:00
Zack Rusin
a37ef7613c drm/vmwgfx: Fix invalid reads in fence signaled events
Correctly set the length of the drm_event to the size of the structure
that's actually used.

The length of the drm_event was set to the parent structure instead of
to the drm_vmw_event_fence which is supposed to be read. drm_read
uses the length parameter to copy the event to the user space thus
resuling in oob reads.

Signed-off-by: Zack Rusin <zack.rusin@broadcom.com>
Fixes: 8b7de6aa84 ("vmwgfx: Rework fence event action")
Reported-by: zdi-disclosures@trendmicro.com # ZDI-CAN-23566
Cc: David Airlie <airlied@gmail.com>
CC: Daniel Vetter <daniel@ffwll.ch>
Cc: Zack Rusin <zack.rusin@broadcom.com>
Cc: Broadcom internal kernel review list <bcm-kernel-feedback-list@broadcom.com>
Cc: dri-devel@lists.freedesktop.org
Cc: linux-kernel@vger.kernel.org
Cc: <stable@vger.kernel.org> # v3.4+
Reviewed-by: Maaz Mombasawala <maaz.mombasawala@broadcom.com>
Reviewed-by: Martin Krastev <martin.krastev@broadcom.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240425192748.1761522-1-zack.rusin@broadcom.com
2024-04-30 12:54:07 -04:00
Lyude Paul
6f572a8054 drm/nouveau/gsp: Use the sg allocator for level 2 of radix3
Currently we allocate all 3 levels of radix3 page tables using
nvkm_gsp_mem_ctor(), which uses dma_alloc_coherent() for allocating all of
the relevant memory. This can end up failing in scenarios where the system
has very high memory fragmentation, and we can't find enough contiguous
memory to allocate level 2 of the page table.

Currently, this can result in runtime PM issues on systems where memory
fragmentation is high - as we'll fail to allocate the page table for our
suspend/resume buffer:

  kworker/10:2: page allocation failure: order:7, mode:0xcc0(GFP_KERNEL),
  nodemask=(null),cpuset=/,mems_allowed=0
  CPU: 10 PID: 479809 Comm: kworker/10:2 Not tainted
  6.8.6-201.ChopperV6.fc39.x86_64 #1
  Hardware name: SLIMBOOK Executive/Executive, BIOS N.1.10GRU06 02/02/2024
  Workqueue: pm pm_runtime_work
  Call Trace:
   <TASK>
   dump_stack_lvl+0x64/0x80
   warn_alloc+0x165/0x1e0
   ? __alloc_pages_direct_compact+0xb3/0x2b0
   __alloc_pages_slowpath.constprop.0+0xd7d/0xde0
   __alloc_pages+0x32d/0x350
   __dma_direct_alloc_pages.isra.0+0x16a/0x2b0
   dma_direct_alloc+0x70/0x270
   nvkm_gsp_radix3_sg+0x5e/0x130 [nouveau]
   r535_gsp_fini+0x1d4/0x350 [nouveau]
   nvkm_subdev_fini+0x67/0x150 [nouveau]
   nvkm_device_fini+0x95/0x1e0 [nouveau]
   nvkm_udevice_fini+0x53/0x70 [nouveau]
   nvkm_object_fini+0xb9/0x240 [nouveau]
   nvkm_object_fini+0x75/0x240 [nouveau]
   nouveau_do_suspend+0xf5/0x280 [nouveau]
   nouveau_pmops_runtime_suspend+0x3e/0xb0 [nouveau]
   pci_pm_runtime_suspend+0x67/0x1e0
   ? __pfx_pci_pm_runtime_suspend+0x10/0x10
   __rpm_callback+0x41/0x170
   ? __pfx_pci_pm_runtime_suspend+0x10/0x10
   rpm_callback+0x5d/0x70
   ? __pfx_pci_pm_runtime_suspend+0x10/0x10
   rpm_suspend+0x120/0x6a0
   pm_runtime_work+0x98/0xb0
   process_one_work+0x171/0x340
   worker_thread+0x27b/0x3a0
   ? __pfx_worker_thread+0x10/0x10
   kthread+0xe5/0x120
   ? __pfx_kthread+0x10/0x10
   ret_from_fork+0x31/0x50
   ? __pfx_kthread+0x10/0x10
   ret_from_fork_asm+0x1b/0x30

Luckily, we don't actually need to allocate coherent memory for the page
table thanks to being able to pass the GPU a radix3 page table for
suspend/resume data. So, let's rewrite nvkm_gsp_radix3_sg() to use the sg
allocator for level 2. We continue using coherent allocations for lvl0 and
1, since they only take a single page.

V2:
* Don't forget to actually jump to the next scatterlist when we reach the
  end of the scatterlist we're currently on when writing out the page table
  for level 2

Signed-off-by: Lyude Paul <lyude@redhat.com>
Cc: stable@vger.kernel.org
Reviewed-by: Ben Skeggs <bskeggs@nvidia.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240429182318.189668-2-lyude@redhat.com
2024-04-30 12:45:42 -04:00
Lyude Paul
52a6947bf5 drm/nouveau/firmware: Fix SG_DEBUG error with nvkm_firmware_ctor()
Currently, enabling SG_DEBUG in the kernel will cause nouveau to hit a
BUG() on startup:

  kernel BUG at include/linux/scatterlist.h:187!
  invalid opcode: 0000 [#1] PREEMPT SMP NOPTI
  CPU: 7 PID: 930 Comm: (udev-worker) Not tainted 6.9.0-rc3Lyude-Test+ #30
  Hardware name: MSI MS-7A39/A320M GAMING PRO (MS-7A39), BIOS 1.I0 01/22/2019
  RIP: 0010:sg_init_one+0x85/0xa0
  Code: 69 88 32 01 83 e1 03 f6 c3 03 75 20 a8 01 75 1e 48 09 cb 41 89 54
  24 08 49 89 1c 24 41 89 6c 24 0c 5b 5d 41 5c e9 7b b9 88 00 <0f> 0b 0f 0b
  0f 0b 48 8b 05 5e 46 9a 01 eb b2 66 66 2e 0f 1f 84 00
  RSP: 0018:ffffa776017bf6a0 EFLAGS: 00010246
  RAX: 0000000000000000 RBX: ffffa77600d87000 RCX: 000000000000002b
  RDX: 0000000000000001 RSI: 0000000000000000 RDI: ffffa77680d87000
  RBP: 000000000000e000 R08: 0000000000000000 R09: 0000000000000000
  R10: ffff98f4c46aa508 R11: 0000000000000000 R12: ffff98f4c46aa508
  R13: ffff98f4c46aa008 R14: ffffa77600d4a000 R15: ffffa77600d4a018
  FS:  00007feeb5aae980(0000) GS:ffff98f5c4dc0000(0000) knlGS:0000000000000000
  CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
  CR2: 00007f22cb9a4520 CR3: 00000001043ba000 CR4: 00000000003506f0
  Call Trace:
   <TASK>
   ? die+0x36/0x90
   ? do_trap+0xdd/0x100
   ? sg_init_one+0x85/0xa0
   ? do_error_trap+0x65/0x80
   ? sg_init_one+0x85/0xa0
   ? exc_invalid_op+0x50/0x70
   ? sg_init_one+0x85/0xa0
   ? asm_exc_invalid_op+0x1a/0x20
   ? sg_init_one+0x85/0xa0
   nvkm_firmware_ctor+0x14a/0x250 [nouveau]
   nvkm_falcon_fw_ctor+0x42/0x70 [nouveau]
   ga102_gsp_booter_ctor+0xb4/0x1a0 [nouveau]
   r535_gsp_oneinit+0xb3/0x15f0 [nouveau]
   ? srso_return_thunk+0x5/0x5f
   ? srso_return_thunk+0x5/0x5f
   ? nvkm_udevice_new+0x95/0x140 [nouveau]
   ? srso_return_thunk+0x5/0x5f
   ? srso_return_thunk+0x5/0x5f
   ? ktime_get+0x47/0xb0
   ? srso_return_thunk+0x5/0x5f
   nvkm_subdev_oneinit_+0x4f/0x120 [nouveau]
   nvkm_subdev_init_+0x39/0x140 [nouveau]
   ? srso_return_thunk+0x5/0x5f
   nvkm_subdev_init+0x44/0x90 [nouveau]
   nvkm_device_init+0x166/0x2e0 [nouveau]
   nvkm_udevice_init+0x47/0x70 [nouveau]
   nvkm_object_init+0x41/0x1c0 [nouveau]
   nvkm_ioctl_new+0x16a/0x290 [nouveau]
   ? __pfx_nvkm_client_child_new+0x10/0x10 [nouveau]
   ? __pfx_nvkm_udevice_new+0x10/0x10 [nouveau]
   nvkm_ioctl+0x126/0x290 [nouveau]
   nvif_object_ctor+0x112/0x190 [nouveau]
   nvif_device_ctor+0x23/0x60 [nouveau]
   nouveau_cli_init+0x164/0x640 [nouveau]
   nouveau_drm_device_init+0x97/0x9e0 [nouveau]
   ? srso_return_thunk+0x5/0x5f
   ? pci_update_current_state+0x72/0xb0
   ? srso_return_thunk+0x5/0x5f
   nouveau_drm_probe+0x12c/0x280 [nouveau]
   ? srso_return_thunk+0x5/0x5f
   local_pci_probe+0x45/0xa0
   pci_device_probe+0xc7/0x270
   really_probe+0xe6/0x3a0
   __driver_probe_device+0x87/0x160
   driver_probe_device+0x1f/0xc0
   __driver_attach+0xec/0x1f0
   ? __pfx___driver_attach+0x10/0x10
   bus_for_each_dev+0x88/0xd0
   bus_add_driver+0x116/0x220
   driver_register+0x59/0x100
   ? __pfx_nouveau_drm_init+0x10/0x10 [nouveau]
   do_one_initcall+0x5b/0x320
   do_init_module+0x60/0x250
   init_module_from_file+0x86/0xc0
   idempotent_init_module+0x120/0x2b0
   __x64_sys_finit_module+0x5e/0xb0
   do_syscall_64+0x83/0x160
   ? srso_return_thunk+0x5/0x5f
   entry_SYSCALL_64_after_hwframe+0x71/0x79
  RIP: 0033:0x7feeb5cc20cd
  Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa 48 89 f8 48 89
  f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0
  ff ff 73 01 c3 48 8b 0d 1b cd 0c 00 f7 d8 64 89 01 48
  RSP: 002b:00007ffcf220b2c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
  RAX: ffffffffffffffda RBX: 000055fdd2916aa0 RCX: 00007feeb5cc20cd
  RDX: 0000000000000000 RSI: 000055fdd29161e0 RDI: 0000000000000035
  RBP: 00007ffcf220b380 R08: 00007feeb5d8fb20 R09: 00007ffcf220b310
  R10: 000055fdd2909dc0 R11: 0000000000000246 R12: 000055fdd29161e0
  R13: 0000000000020000 R14: 000055fdd29203e0 R15: 000055fdd2909d80
   </TASK>

We hit this when trying to initialize firmware of type
NVKM_FIRMWARE_IMG_DMA because we allocate our memory with
dma_alloc_coherent, and DMA allocations can't be turned back into memory
pages - which a scatterlist needs in order to map them.

So, fix this by allocating the memory with vmalloc instead().

V2:
* Fixup explanation as the prior one was bogus

Signed-off-by: Lyude Paul <lyude@redhat.com>
Reviewed-by: Dave Airlie <airlied@redhat.com>
Cc: stable@vger.kernel.org
Link: https://patchwork.freedesktop.org/patch/msgid/20240429182318.189668-1-lyude@redhat.com
2024-04-30 12:45:34 -04:00
Takashi Iwai
39815cdfc8 ALSA: hda/realtek: Fix conflicting PCI SSID 17aa:386f for Lenovo Legion models
Unfortunately both Lenovo Legion Pro 7 16ARX8H and Legion 7i 16IAX7
got the very same PCI SSID while the hardware implementations are
completely different (the former is with TI TAS2781 codec while the
latter is with Cirrus CS35L41 codec).  The former model got broken by
the recent fix for the latter model.

For addressing the regression, check the codec SSID and apply the
proper quirk for each model now.

Fixes: 24b6332c2d ("ALSA: hda: Add Lenovo Legion 7i gen7 sound quirk")
Cc: <stable@vger.kernel.org>
Link: https://bugzilla.suse.com/show_bug.cgi?id=1223462
Message-ID: <20240430163206.5200-1-tiwai@suse.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2024-04-30 18:35:31 +02:00
Kailang Yang
1e707769df ALSA: hda/realtek - Set GPIO3 to default at S4 state for Thinkpad with ALC1318
There is a chance of damaging the IC when S4 resume.
Add safe mode for no stream to disable GPIO3.
Thinkpad with ALC1318 platform need to add this workaround.

Signed-off-by: Kailang Yang <kailang@realtek.com>
Link: https://lore.kernel.org/r/a853dc4f0a4e412381d5f60565181247@realtek.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2024-04-30 18:34:53 +02:00
Linus Torvalds
50dffbf771 Power Supply Fixes for 6.9 cycle
* mt6360_charger: Fix of_match for usb-otg-vbus regulator
 * rt9455: Fix unused-const-variable for !CONFIG_USB_PHY
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Merge tag 'for-v6.9-rc' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply

Pull power supply fixes from Sebastian Reichel:

 - mt6360_charger: Fix of_match for usb-otg-vbus regulator

 - rt9455: Fix unused-const-variable for !CONFIG_USB_PHY

* tag 'for-v6.9-rc' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply:
  power: supply: mt6360_charger: Fix of_match for usb-otg-vbus regulator
  power: rt9455: hide unused rt9455_boost_voltage_values
2024-04-30 09:15:25 -07:00
Linus Torvalds
a52a0b3997 platform-drivers-x86 for v6.9-4
The following is an automated shortlog grouped by driver:
 
 ISST:
  -  Add Grand Ridge to HPM CPU list
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Merge tag 'platform-drivers-x86-v6.9-4' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86

Pull x86 platform driver fix from Ilpo Järvinen:

 - Add Grand Ridge to HPM CPU list

* tag 'platform-drivers-x86-v6.9-4' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86:
  platform/x86: ISST: Add Grand Ridge to HPM CPU list
2024-04-30 09:06:05 -07:00
Alan Stern
c78c3644b7 usb: Fix regression caused by invalid ep0 maxpacket in virtual SuperSpeed device
A virtual SuperSpeed device in the FreeBSD BVCP package
(https://bhyve.npulse.net/) presents an invalid ep0 maxpacket size of 256.
It stopped working with Linux following a recent commit because now we
check these sizes more carefully than before.

Fix this regression by using the bMaxpacketSize0 value in the device
descriptor for SuperSpeed or faster devices, even if it is invalid.  This
is a very simple-minded change; we might want to check more carefully for
values that actually make some sense (for instance, no smaller than 64).

Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Reported-and-tested-by: Roger Whittaker <roger.whittaker@suse.com>
Closes: https://bugzilla.suse.com/show_bug.cgi?id=1220569
Link: https://lore.kernel.org/linux-usb/9efbd569-7059-4575-983f-0ea30df41871@suse.com/
Fixes: 59cf445754 ("USB: core: Fix oversight in SuperSpeed initialization")
Cc: stable@vger.kernel.org
Link: https://lore.kernel.org/r/4058ac05-237c-4db4-9ecc-5af42bdb4501@rowland.harvard.edu
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2024-04-30 18:05:27 +02:00
Guenter Roeck
fe81f35484 usb: ohci: Prevent missed ohci interrupts
Testing ohci functionality with qemu's pci-ohci emulation often results
in ohci interface stalls, resulting in hung task timeouts.

The problem is caused by lost interrupts between the emulation and the
Linux kernel code. Additional interrupts raised while the ohci interrupt
handler in Linux is running and before the handler clears the interrupt
status are not handled. The fix for a similar problem in ehci suggests
that the problem is likely caused by edge-triggered MSI interrupts. See
commit 0b60557230 ("usb: ehci: Prevent missed ehci interrupts with
edge-triggered MSI") for details.

Ensure that the ohci interrupt code handles all pending interrupts before
returning to solve the problem.

Cc: Gerd Hoffmann <kraxel@redhat.com>
Cc: David Laight <David.Laight@aculab.com>
Cc: stable@vger.kernel.org
Fixes: 306c54d0ed ("usb: hcd: Try MSI interrupts on PCI devices")
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Reviewed-by: Alan Stern <stern@rowland.harvard.edu>
Reviewed-by: Gerd Hoffmann <kraxel@redhat.com>
Link: https://lore.kernel.org/r/20240429154010.1507366-1-linux@roeck-us.net
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2024-04-30 18:04:40 +02:00
Linus Torvalds
e5c8fc5955 Pin control fixes for the v6.9 series:
- Fix a double-free in the pinctrl_enable() errorpath.
 
 - Fix a refcount leak in pinctrl_dt_to_map().
 
 - Fix selecting the GPIO pin control state and the UART3
   pin config group in the Intel Baytrail driver.
 
 - Fix readback of schmitt trigger status in the Mediatek
   Paris driver, along with some semantic pin config issues
   in this driver.
 
 - Fix a pin suffix typo in the Meson A1 driver.
 
 - Fix an erroneous register offset in he Aspeed G6 driver.
 
 - Fix an inconsistent lock state and the interrupt type on
   resume in the Renesas RZG2L driver.
 
 - Fix some minor confusion in the Renesas DT bindings.
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Merge tag 'pinctrl-v6.9-2' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl

Pull pin control fixes from Linus Walleij:

 - Fix a double-free in the pinctrl_enable() errorpath

 - Fix a refcount leak in pinctrl_dt_to_map()

 - Fix selecting the GPIO pin control state and the UART3 pin config
   group in the Intel Baytrail driver

 - Fix readback of schmitt trigger status in the Mediatek Paris driver,
   along with some semantic pin config issues in this driver

 - Fix a pin suffix typo in the Meson A1 driver

 - Fix an erroneous register offset in he Aspeed G6 driver

 - Fix an inconsistent lock state and the interrupt type on resume in
   the Renesas RZG2L driver

 - Fix some minor confusion in the Renesas DT bindings

* tag 'pinctrl-v6.9-2' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl:
  pinctrl: renesas: rzg2l: Configure the interrupt type on resume
  pinctrl: devicetree: fix refcount leak in pinctrl_dt_to_map()
  pinctrl: baytrail: Add pinconf group for uart3
  pinctrl: baytrail: Fix selecting gpio pinctrl state
  pinctrl: mediatek: paris: Rework support for PIN_CONFIG_{INPUT,OUTPUT}_ENABLE
  pinctrl: mediatek: paris: Fix PIN_CONFIG_INPUT_SCHMITT_ENABLE readback
  pinctrl: core: delete incorrect free in pinctrl_enable()
  pinctrl/meson: fix typo in PDM's pin name
  pinctrl: pinctrl-aspeed-g6: Fix register offset for pinconf of GPIOR-T
  pinctrl: renesas: rzg2l: Execute atomically the interrupt configuration
  dt-bindings: pinctrl: renesas,rzg2l-pinctrl: Allow 'input' and 'output-enable' properties
2024-04-30 08:50:58 -07:00
Mark Brown
c5782bb546
ASoC: meson: tdm fixes
Merge series from Jerome Brunet <jbrunet@baylibre.com>:

This patchset fixes 2 problems on TDM which both find a solution
by properly implementing the .trigger() callback for the TDM backend.

ATM, enabling the TDM formatters is done by the .prepare() callback
because handling the formatter is slow due to necessary calls to CCF.

The first problem affects the TDMIN. Because .prepare() is called on DPCM
backend first, the formatter are started before the FIFOs and this may
cause a random channel shifts if the TDMIN use multiple lanes with more
than 2 slots per lanes. Using trigger() allows to set the FE/BE order,
solving the problem.

There has already been an attempt to fix this 3y ago [1] and reverted [2]
It triggered a 'sleep in irq' error on the period IRQ. The solution is
to just use the bottom half of threaded IRQ. This is patch #1. Patch #2
and #3 remain mostly the same as 3y ago.

For TDMOUT, the problem is on pause. ATM pause only stops the FIFO and
the TDMOUT just starves. When it does, it will actually repeat the last
sample continuously. Depending on the platform, if there is no high-pass
filter on the analog path, this may translate to a constant position of
the speaker membrane. There is no audible glitch but it may damage the
speaker coil.

Properly stopping the TDMOUT in pause solves the problem. There is
behaviour change associated with that fix. Clocks used to be continuous
on pause because of the problem above. They will now be gated on pause by
default, as they should. The last change introduce the proper support for
continuous clocks, if needed.

[1]: https://lore.kernel.org/linux-amlogic/20211020114217.133153-1-jbrunet@baylibre.com
[2]: https://lore.kernel.org/linux-amlogic/20220421155725.2589089-1-narmstrong@baylibre.com
2024-04-30 23:36:23 +09:00
Qu Wenruo
63a6ce5a1a btrfs: set correct ram_bytes when splitting ordered extent
[BUG]
When running generic/287, the following file extent items can be
generated:

        item 16 key (258 EXTENT_DATA 2682880) itemoff 15305 itemsize 53
                generation 9 type 1 (regular)
                extent data disk byte 1378414592 nr 462848
                extent data offset 0 nr 462848 ram 2097152
                extent compression 0 (none)

Note that file extent item is not a compressed one, but its ram_bytes is
way larger than its disk_num_bytes.

According to btrfs on-disk scheme, ram_bytes should match disk_num_bytes
if it's not a compressed one.

[CAUSE]
Since commit b73a6fd1b1 ("btrfs: split partial dio bios before
submit"), for partial dio writes, we would split the ordered extent.

However the function btrfs_split_ordered_extent() doesn't update the
ram_bytes even it has already shrunk the disk_num_bytes.

Originally the function btrfs_split_ordered_extent() is only introduced
for zoned devices in commit d22002fd37 ("btrfs: zoned: split ordered
extent when bio is sent"), but later commit b73a6fd1b1 ("btrfs: split
partial dio bios before submit") makes non-zoned btrfs affected.

Thankfully for un-compressed file extent, we do not really utilize the
ram_bytes member, thus it won't cause any real problem.

[FIX]
Also update btrfs_ordered_extent::ram_bytes inside
btrfs_split_ordered_extent().

Fixes: d22002fd37 ("btrfs: zoned: split ordered extent when bio is sent")
CC: stable@vger.kernel.org # 5.15+
Reviewed-by: Filipe Manana <fdmanana@suse.com>
Signed-off-by: Qu Wenruo <wqu@suse.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
2024-04-30 12:03:44 +02:00
Jim Cromie
00e7d3bea2 dyndbg: fix old BUG_ON in >control parser
Fix a BUG_ON from 2009.  Even if it looks "unreachable" (I didn't
really look), lets make sure by removing it, doing pr_err and return
-EINVAL instead.

Cc: stable <stable@kernel.org>
Signed-off-by: Jim Cromie <jim.cromie@gmail.com>
Link: https://lore.kernel.org/r/20240429193145.66543-2-jim.cromie@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2024-04-30 09:20:48 +02:00
Greg Kroah-Hartman
9b83aa7a50 FPGA Manager changes for 6.9-final
DFL
 
 - Peter adds PCI ID table for Intel D5005 Stratix 10 FPGA card
 
 All patches have been reviewed on the mailing list, and have been in the
 last linux-next releases (as part of our fixes branch)
 
 Signed-off-by: Xu Yilun <yilun.xu@intel.com>
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Merge tag 'fpga-for-6.9-final' of git://git.kernel.org/pub/scm/linux/kernel/git/fpga/linux-fpga into char-misc-linus

Xu writes:

FPGA Manager changes for 6.9-final

DFL

- Peter adds PCI ID table for Intel D5005 Stratix 10 FPGA card

All patches have been reviewed on the mailing list, and have been in the
last linux-next releases (as part of our fixes branch)

Signed-off-by: Xu Yilun <yilun.xu@intel.com>

* tag 'fpga-for-6.9-final' of git://git.kernel.org/pub/scm/linux/kernel/git/fpga/linux-fpga:
  fpga: dfl-pci: add PCI subdevice ID for Intel D5005 card
2024-04-30 09:14:24 +02:00
Thomas Gleixner
720a22fd6c x86/apic: Don't access the APIC when disabling x2APIC
With 'iommu=off' on the kernel command line and x2APIC enabled by the BIOS
the code which disables the x2APIC triggers an unchecked MSR access error:

  RDMSR from 0x802 at rIP: 0xffffffff94079992 (native_apic_msr_read+0x12/0x50)

This is happens because default_acpi_madt_oem_check() selects an x2APIC
driver before the x2APIC is disabled.

When the x2APIC is disabled because interrupt remapping cannot be enabled
due to 'iommu=off' on the command line, x2apic_disable() invokes
apic_set_fixmap() which in turn tries to read the APIC ID. This triggers
the MSR warning because x2APIC is disabled, but the APIC driver is still
x2APIC based.

Prevent that by adding an argument to apic_set_fixmap() which makes the
APIC ID read out conditional and set it to false from the x2APIC disable
path. That's correct as the APIC ID has already been read out during early
discovery.

Fixes: d10a904435 ("x86/apic: Consolidate boot_cpu_physical_apicid initialization sites")
Reported-by: Adrian Huang <ahuang12@lenovo.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Tested-by: Adrian Huang <ahuang12@lenovo.com>
Cc: stable@vger.kernel.org
Link: https://lore.kernel.org/r/875xw5t6r7.ffs@tglx
2024-04-30 07:51:34 +02:00
Linus Torvalds
98369dccd2 workqueue: Fixes for v6.9-rc6
Two doc update patches and the following three fixes:
 
 - On single node systems, the default pool is used but the node_nr_active
   for the default pool was set to min_active. This effectively limited the
   max concurrency of unbound pools on single node systems to 8 causing
   performance regressions on some workloads. Fixed by setting the default
   pool's node_nr_active to max_active.
 
 - wq_update_node_max_active() could trigger divide-by-zero if the
   intersection between the allowed CPUs for an unbound workqueue and online
   CPUs becomes empty.
 
 - When kick_pool() was trying to repatriate a worker to a CPU in its pod by
   setting task->wake_cpu, it didn't consider whether the CPU being selected
   is online or not which obviously can lead to subobtimal behaviors. On
   s390, this triggered a crash in arch code. The workqueue patch removes the
   gross misbehavior but doesn't fix the crash completely as there's a race
   window in which CPUs can go down after wake_cpu is set. Need to decide
   whether the fix should be on the core or arch side.
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Merge tag 'wq-for-6.9-rc6-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/wq

Pull workqueue fixes from Tejun Heo:
 "Two doc update patches and the following three fixes:

   - On single node systems, the default pool is used but the
     node_nr_active for the default pool was set to min_active. This
     effectively limited the max concurrency of unbound pools on single
     node systems to 8 causing performance regressions on some
     workloads. Fixed by setting the default pool's node_nr_active to
     max_active.

   - wq_update_node_max_active() could trigger divide-by-zero if the
     intersection between the allowed CPUs for an unbound workqueue and
     online CPUs becomes empty.

   - When kick_pool() was trying to repatriate a worker to a CPU in its
     pod by setting task->wake_cpu, it didn't consider whether the CPU
     being selected is online or not which obviously can lead to
     subobtimal behaviors. On s390, this triggered a crash in arch code.
     The workqueue patch removes the gross misbehavior but doesn't fix
     the crash completely as there's a race window in which CPUs can go
     down after wake_cpu is set. Need to decide whether the fix should
     be on the core or arch side"

* tag 'wq-for-6.9-rc6-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/wq:
  workqueue: Fix divide error in wq_update_node_max_active()
  workqueue: The default node_nr_active should have its max set to max_active
  workqueue: Fix selection of wake_cpu in kick_pool()
  docs/zh_CN: core-api: Update translation of workqueue.rst to 6.9-rc1
  Documentation/core-api: Update events_freezable_power references.
2024-04-29 15:57:37 -07:00
Stephen Boyd
a225493043 - fix H6 CPU rate change via reparenting
- set A64 MIPI PLL min & max rate
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Merge tag 'sunxi-clk-fixes-for-6.9-1' of https://git.kernel.org/pub/scm/linux/kernel/git/sunxi/linux into clk-fixes

Pull Allwinner clk driver fixes from Jernej Skrabec:

 - fix H6 CPU rate change via reparenting
 - set A64 MIPI PLL min & max rate

* tag 'sunxi-clk-fixes-for-6.9-1' of https://git.kernel.org/pub/scm/linux/kernel/git/sunxi/linux:
  clk: sunxi-ng: a64: Set minimum and maximum rate for PLL-MIPI
  clk: sunxi-ng: common: Support minimum and maximum rate
  clk: sunxi-ng: h6: Reparent CPUX during PLL CPUX rate change
2024-04-29 14:59:35 -07:00
Linus Torvalds
d03d418890 SCSI fixes on 20240429
Minor core fix to prevent the sd driver printing the stream count
 every time we rescan and instead print only if it's changed
 
 Signed-off-by: James E.J. Bottomley <James.Bottomley@HansenPartnership.com>
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Merge tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi

Pull SCSI fix from James Bottomley:
 "Minor core fix to prevent the sd driver printing the stream count
  every time we rescan and instead print only if it's changed"

* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
  scsi: sd: Only print updates to permanent stream count
2024-04-29 14:36:53 -07:00
Linus Torvalds
a91bae8794 nfsd-6.9 fixes:
- Avoid freeing unallocated memory (v6.7 regression)
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Merge tag 'nfsd-6.9-6' of git://git.kernel.org/pub/scm/linux/kernel/git/cel/linux

Pull nfsd fix from Chuck Lever:

 - Avoid freeing unallocated memory (v6.7 regression)

* tag 'nfsd-6.9-6' of git://git.kernel.org/pub/scm/linux/kernel/git/cel/linux:
  NFSD: Fix nfsd4_encode_fattr4() crasher
2024-04-29 14:22:24 -07:00
Linus Torvalds
9e4bc4bcae NFS client bugfixes for Linux 6.9
Bugfixes:
  - Fix an Oops in xs_tcp_tls_setup_socket
  - Fix an Oops due to missing error handling in nfs_net_init()
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Merge tag 'nfs-for-6.9-2' of git://git.linux-nfs.org/projects/trondmy/linux-nfs

Pull NFS client fixes from Trond Myklebust:

 - Fix an Oops in xs_tcp_tls_setup_socket

 - Fix an Oops due to missing error handling in nfs_net_init()

* tag 'nfs-for-6.9-2' of git://git.linux-nfs.org/projects/trondmy/linux-nfs:
  nfs: Handle error of rpc_proc_register() in nfs_net_init().
  SUNRPC: add a missing rpc_stat for TCP TLS
2024-04-29 12:07:37 -07:00
Linus Torvalds
0a2e230514 bcachefs fixes for 6.9-rc7
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Merge tag 'bcachefs-2024-04-29' of https://evilpiepirate.org/git/bcachefs

Pull bcachefs fixes from Kent Overstreet:
 "Tiny set of fixes this time"

* tag 'bcachefs-2024-04-29' of https://evilpiepirate.org/git/bcachefs:
  bcachefs: fix integer conversion bug
  bcachefs: btree node scan now fills in sectors_written
  bcachefs: Remove accidental debug assert
2024-04-29 11:04:40 -07:00
Bui Quang Minh
da7c622cdd s390/cio: Ensure the copied buf is NUL terminated
Currently, we allocate a lbuf-sized kernel buffer and copy lbuf from
userspace to that buffer. Later, we use scanf on this buffer but we don't
ensure that the string is terminated inside the buffer, this can lead to
OOB read when using scanf. Fix this issue by using memdup_user_nul instead.

Fixes: a4f17cc726 ("s390/cio: add CRW inject functionality")
Signed-off-by: Bui Quang Minh <minhquangbui99@gmail.com>
Reviewed-by: Heiko Carstens <hca@linux.ibm.com>
Link: https://lore.kernel.org/r/20240424-fix-oob-read-v2-5-f1f1b53a10f4@gmail.com
Signed-off-by: Alexander Gordeev <agordeev@linux.ibm.com>
2024-04-29 19:21:34 +02:00
Dave Jiang
5d211c7090 cxl: Fix cxl_endpoint_get_perf_coordinate() support for RCH
Robert reported the following when booting a CXL host with Restricted CXL
Host (RCH) topology:
 [   39.815379] cxl_acpi ACPI0017:00: not a cxl_port device
 [   39.827123] WARNING: CPU: 46 PID: 1754 at drivers/cxl/core/port.c:592 to_cxl_port+0x56/0x70 [cxl_core]

... plus some related subsequent NULL pointer dereference:

 [   40.718708] BUG: kernel NULL pointer dereference, address: 00000000000002d8

The iterator to walk the PCIe path did not account for RCH topology.
However RCH does not support hotplug and the memory exported by the
Restricted CXL Device (RCD) should be covered by HMAT and therefore no
access_coordinate is needed. Add check to see if the endpoint device is
RCD and skip calculation.

Also add a call to cxl_endpoint_get_perf_coordinates() in cxl_test in order
to exercise the topology iterator. The dev_is_pci() check added is to help
with this test and should be harmless for normal operation.

Reported-by: Robert Richter <rrichter@amd.com>
Closes: https://lore.kernel.org/all/Ziv8GfSMSbvlBB0h@rric.localdomain/
Fixes: 592780b839 ("cxl: Fix retrieving of access_coordinates in PCIe path")
Reviewed-by: Dan Williams <dan.j.williams@intel.com>
Tested-by: Robert Richter <rrichter@amd.com>
Reviewed-by: Robert Richter <rrichter@amd.com>
Link: https://lore.kernel.org/r/20240426224913.1027420-1-dave.jiang@intel.com
Signed-off-by: Dave Jiang <dave.jiang@intel.com>
2024-04-29 09:03:26 -07:00
Linus Torvalds
b947cc5bf6 Changes since last update:
- Better error message when prepare_ondemand_read failed;
 
  - Fix unmount of bdev-based mode if CONFIG_EROFS_FS_ONDEMAND is on.
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Merge tag 'erofs-for-6.9-rc7-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/xiang/erofs

Pull erofs fixes from Gao Xiang:
 "Three fixes related to EROFS fscache mode. The most important two
  patches fix calling kill_block_super() in bdev-based mode instead of
  kill_anon_super(). The remaining patch is an informative one.

  Summary:

   - Better error message when prepare_ondemand_read failed

   - Fix unmount of bdev-based mode if CONFIG_EROFS_FS_ONDEMAND is on"

* tag 'erofs-for-6.9-rc7-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/xiang/erofs:
  erofs: reliably distinguish block based and fscache mode
  erofs: get rid of erofs_fs_context
  erofs: modify the error message when prepare_ondemand_read failed
2024-04-29 08:52:08 -07:00
Pierre-Louis Bossart
c158cf9147 ALSA: hda: intel-sdw-acpi: fix usage of device_get_named_child_node()
The documentation for device_get_named_child_node() mentions this
important point:

"
The caller is responsible for calling fwnode_handle_put() on the
returned fwnode pointer.
"

Add fwnode_handle_put() to avoid a leaked reference.

Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Fixes: 08c2a4bc9f ("ALSA: hda: move Intel SoundWire ACPI scan to dedicated module")
Message-ID: <20240426152731.38420-1-pierre-louis.bossart@linux.intel.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2024-04-29 17:32:27 +02:00
Matthew Wilcox (Oracle)
5af385f5f4 bounds: Use the right number of bits for power-of-two CONFIG_NR_CPUS
bits_per() rounds up to the next power of two when passed a power of
two.  This causes crashes on some machines and configurations.

Reported-by: Михаил Новоселов <m.novosyolov@rosalinux.ru>
Tested-by: Ильфат Гаптрахманов <i.gaptrakhmanov@rosalinux.ru>
Link: https://gitlab.freedesktop.org/drm/amd/-/issues/3347
Link: https://lore.kernel.org/all/1c978cf1-2934-4e66-e4b3-e81b04cb3571@rosalinux.ru/
Fixes: f2d5dcb48f (bounds: support non-power-of-two CONFIG_NR_CPUS)
Cc:  <stable@vger.kernel.org>
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Cc: Rik van Riel <riel@surriel.com>
Cc: Mel Gorman <mgorman@techsingularity.net>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2024-04-29 08:29:29 -07:00