<feed xmlns='http://www.w3.org/2005/Atom'>
<title>wireguard-linux/drivers/base, branch stable</title>
<subtitle>WireGuard for the Linux kernel</subtitle>
<id>https://git.zx2c4.com/wireguard-linux/atom/drivers/base?h=stable</id>
<link rel='self' href='https://git.zx2c4.com/wireguard-linux/atom/drivers/base?h=stable'/>
<link rel='alternate' type='text/html' href='https://git.zx2c4.com/wireguard-linux/'/>
<updated>2025-11-01T17:45:39Z</updated>
<entry>
<title>Merge tag 'regmap-fix-v6.18-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap</title>
<updated>2025-11-01T17:45:39Z</updated>
<author>
<name>Linus Torvalds</name>
<email>torvalds@linux-foundation.org</email>
</author>
<published>2025-11-01T17:45:39Z</published>
<link rel='alternate' type='text/html' href='https://git.zx2c4.com/wireguard-linux/commit/?id=963bf1619472d954d04ed8851be17df633c6afd6'/>
<id>urn:sha1:963bf1619472d954d04ed8851be17df633c6afd6</id>
<content type='text'>
Pull regmap fixes from Mark Brown:
 "One documentation fix and a fix for a problem with the slimbus regmap
  which was uncovered by some changes in one of the drivers"

* tag 'regmap-fix-v6.18-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap:
  regmap: irq: Correct documentation of wake_invert flag
  regmap: slimbus: fix bus_context pointer in regmap init calls
</content>
</entry>
<entry>
<title>regmap: slimbus: fix bus_context pointer in regmap init calls</title>
<updated>2025-10-23T14:19:58Z</updated>
<author>
<name>Alexey Klimov</name>
<email>alexey.klimov@linaro.org</email>
</author>
<published>2025-10-22T20:10:12Z</published>
<link rel='alternate' type='text/html' href='https://git.zx2c4.com/wireguard-linux/commit/?id=434f7349a1f00618a620b316f091bd13a12bc8d2'/>
<id>urn:sha1:434f7349a1f00618a620b316f091bd13a12bc8d2</id>
<content type='text'>
Commit 4e65bda8273c ("ASoC: wcd934x: fix error handling in
wcd934x_codec_parse_data()") revealed the problem in the slimbus regmap.
That commit breaks audio playback, for instance, on sdm845 Thundercomm
Dragonboard 845c board:

 Unable to handle kernel paging request at virtual address ffff8000847cbad4
 ...
 CPU: 5 UID: 0 PID: 776 Comm: aplay Not tainted 6.18.0-rc1-00028-g7ea30958b305 #11 PREEMPT
 Hardware name: Thundercomm Dragonboard 845c (DT)
 ...
 Call trace:
  slim_xfer_msg+0x24/0x1ac [slimbus] (P)
  slim_read+0x48/0x74 [slimbus]
  regmap_slimbus_read+0x18/0x24 [regmap_slimbus]
  _regmap_raw_read+0xe8/0x174
  _regmap_bus_read+0x44/0x80
  _regmap_read+0x60/0xd8
  _regmap_update_bits+0xf4/0x140
  _regmap_select_page+0xa8/0x124
  _regmap_raw_write_impl+0x3b8/0x65c
  _regmap_bus_raw_write+0x60/0x80
  _regmap_write+0x58/0xc0
  regmap_write+0x4c/0x80
  wcd934x_hw_params+0x494/0x8b8 [snd_soc_wcd934x]
  snd_soc_dai_hw_params+0x3c/0x7c [snd_soc_core]
  __soc_pcm_hw_params+0x22c/0x634 [snd_soc_core]
  dpcm_be_dai_hw_params+0x1d4/0x38c [snd_soc_core]
  dpcm_fe_dai_hw_params+0x9c/0x17c [snd_soc_core]
  snd_pcm_hw_params+0x124/0x464 [snd_pcm]
  snd_pcm_common_ioctl+0x110c/0x1820 [snd_pcm]
  snd_pcm_ioctl+0x34/0x4c [snd_pcm]
  __arm64_sys_ioctl+0xac/0x104
  invoke_syscall+0x48/0x104
  el0_svc_common.constprop.0+0x40/0xe0
  do_el0_svc+0x1c/0x28
  el0_svc+0x34/0xec
  el0t_64_sync_handler+0xa0/0xf0
  el0t_64_sync+0x198/0x19c

The __devm_regmap_init_slimbus() started to be used instead of
__regmap_init_slimbus() after the commit mentioned above and turns out
the incorrect bus_context pointer (3rd argument) was used in
__devm_regmap_init_slimbus(). It should be just "slimbus" (which is equal
to &amp;slimbus-&gt;dev). Correct it. The wcd934x codec seems to be the only or
the first user of devm_regmap_init_slimbus() but we should fix it till
the point where __devm_regmap_init_slimbus() was introduced therefore
two "Fixes" tags.

While at this, also correct the same argument in __regmap_init_slimbus().

Fixes: 4e65bda8273c ("ASoC: wcd934x: fix error handling in wcd934x_codec_parse_data()")
Fixes: 7d6f7fb053ad ("regmap: add SLIMbus support")
Cc: stable@vger.kernel.org
Cc: Dmitry Baryshkov &lt;dmitry.baryshkov@oss.qualcomm.com&gt;
Cc: Ma Ke &lt;make24@iscas.ac.cn&gt;
Cc: Steev Klimaszewski &lt;steev@kali.org&gt;
Cc: Srinivas Kandagatla &lt;srini@kernel.org&gt;
Reviewed-by: Abel Vesa &lt;abel.vesa@linaro.org&gt;
Signed-off-by: Alexey Klimov &lt;alexey.klimov@linaro.org&gt;
Reviewed-by: Dmitry Baryshkov &lt;dmitry.baryshkov@oss.qualcomm.com&gt;
Link: https://patch.msgid.link/20251022201013.1740211-1-alexey.klimov@linaro.org
Signed-off-by: Mark Brown &lt;broonie@kernel.org&gt;
</content>
</entry>
<entry>
<title>arch_topology: Fix incorrect error check in topology_parse_cpu_capacity()</title>
<updated>2025-10-22T06:06:28Z</updated>
<author>
<name>Kaushlendra Kumar</name>
<email>kaushlendra.kumar@intel.com</email>
</author>
<published>2025-09-23T17:43:08Z</published>
<link rel='alternate' type='text/html' href='https://git.zx2c4.com/wireguard-linux/commit/?id=2eead19334516c8e9927c11b448fbe512b1f18a1'/>
<id>urn:sha1:2eead19334516c8e9927c11b448fbe512b1f18a1</id>
<content type='text'>
Fix incorrect use of PTR_ERR_OR_ZERO() in topology_parse_cpu_capacity()
which causes the code to proceed with NULL clock pointers. The current
logic uses !PTR_ERR_OR_ZERO(cpu_clk) which evaluates to true for both
valid pointers and NULL, leading to potential NULL pointer dereference
in clk_get_rate().

Per include/linux/err.h documentation, PTR_ERR_OR_ZERO(ptr) returns:
"The error code within @ptr if it is an error pointer; 0 otherwise."

This means PTR_ERR_OR_ZERO() returns 0 for both valid pointers AND NULL
pointers. Therefore !PTR_ERR_OR_ZERO(cpu_clk) evaluates to true (proceed)
when cpu_clk is either valid or NULL, causing clk_get_rate(NULL) to be
called when of_clk_get() returns NULL.

Replace with !IS_ERR_OR_NULL(cpu_clk) which only proceeds for valid
pointers, preventing potential NULL pointer dereference in clk_get_rate().

Cc: stable &lt;stable@kernel.org&gt;
Signed-off-by: Kaushlendra Kumar &lt;kaushlendra.kumar@intel.com&gt;
Reviewed-by: Sudeep Holla &lt;sudeep.holla@arm.com&gt;
Fixes: b8fe128dad8f ("arch_topology: Adjust initial CPU capacities with current freq")
Link: https://patch.msgid.link/20250923174308.1771906-1-kaushlendra.kumar@intel.com
Signed-off-by: Greg Kroah-Hartman &lt;gregkh@linuxfoundation.org&gt;
</content>
</entry>
<entry>
<title>devcoredump: Fix circular locking dependency with devcd-&gt;mutex.</title>
<updated>2025-10-17T07:47:40Z</updated>
<author>
<name>Maarten Lankhorst</name>
<email>dev@lankhorst.se</email>
</author>
<published>2025-07-23T14:24:16Z</published>
<link rel='alternate' type='text/html' href='https://git.zx2c4.com/wireguard-linux/commit/?id=a91c8096590bd7801a26454789f2992094fe36da'/>
<id>urn:sha1:a91c8096590bd7801a26454789f2992094fe36da</id>
<content type='text'>
The original code causes a circular locking dependency found by lockdep.

======================================================
WARNING: possible circular locking dependency detected
6.16.0-rc6-lgci-xe-xe-pw-151626v3+ #1 Tainted: G S   U
------------------------------------------------------
xe_fault_inject/5091 is trying to acquire lock:
ffff888156815688 ((work_completion)(&amp;(&amp;devcd-&gt;del_wk)-&gt;work)){+.+.}-{0:0}, at: __flush_work+0x25d/0x660

but task is already holding lock:

ffff888156815620 (&amp;devcd-&gt;mutex){+.+.}-{3:3}, at: dev_coredump_put+0x3f/0xa0
which lock already depends on the new lock.
the existing dependency chain (in reverse order) is:
-&gt; #2 (&amp;devcd-&gt;mutex){+.+.}-{3:3}:
       mutex_lock_nested+0x4e/0xc0
       devcd_data_write+0x27/0x90
       sysfs_kf_bin_write+0x80/0xf0
       kernfs_fop_write_iter+0x169/0x220
       vfs_write+0x293/0x560
       ksys_write+0x72/0xf0
       __x64_sys_write+0x19/0x30
       x64_sys_call+0x2bf/0x2660
       do_syscall_64+0x93/0xb60
       entry_SYSCALL_64_after_hwframe+0x76/0x7e
-&gt; #1 (kn-&gt;active#236){++++}-{0:0}:
       kernfs_drain+0x1e2/0x200
       __kernfs_remove+0xae/0x400
       kernfs_remove_by_name_ns+0x5d/0xc0
       remove_files+0x54/0x70
       sysfs_remove_group+0x3d/0xa0
       sysfs_remove_groups+0x2e/0x60
       device_remove_attrs+0xc7/0x100
       device_del+0x15d/0x3b0
       devcd_del+0x19/0x30
       process_one_work+0x22b/0x6f0
       worker_thread+0x1e8/0x3d0
       kthread+0x11c/0x250
       ret_from_fork+0x26c/0x2e0
       ret_from_fork_asm+0x1a/0x30
-&gt; #0 ((work_completion)(&amp;(&amp;devcd-&gt;del_wk)-&gt;work)){+.+.}-{0:0}:
       __lock_acquire+0x1661/0x2860
       lock_acquire+0xc4/0x2f0
       __flush_work+0x27a/0x660
       flush_delayed_work+0x5d/0xa0
       dev_coredump_put+0x63/0xa0
       xe_driver_devcoredump_fini+0x12/0x20 [xe]
       devm_action_release+0x12/0x30
       release_nodes+0x3a/0x120
       devres_release_all+0x8a/0xd0
       device_unbind_cleanup+0x12/0x80
       device_release_driver_internal+0x23a/0x280
       device_driver_detach+0x14/0x20
       unbind_store+0xaf/0xc0
       drv_attr_store+0x21/0x50
       sysfs_kf_write+0x4a/0x80
       kernfs_fop_write_iter+0x169/0x220
       vfs_write+0x293/0x560
       ksys_write+0x72/0xf0
       __x64_sys_write+0x19/0x30
       x64_sys_call+0x2bf/0x2660
       do_syscall_64+0x93/0xb60
       entry_SYSCALL_64_after_hwframe+0x76/0x7e
other info that might help us debug this:
Chain exists of: (work_completion)(&amp;(&amp;devcd-&gt;del_wk)-&gt;work) --&gt; kn-&gt;active#236 --&gt; &amp;devcd-&gt;mutex
 Possible unsafe locking scenario:
       CPU0                    CPU1
       ----                    ----
  lock(&amp;devcd-&gt;mutex);
                               lock(kn-&gt;active#236);
                               lock(&amp;devcd-&gt;mutex);
  lock((work_completion)(&amp;(&amp;devcd-&gt;del_wk)-&gt;work));
 *** DEADLOCK ***
5 locks held by xe_fault_inject/5091:
 #0: ffff8881129f9488 (sb_writers#5){.+.+}-{0:0}, at: ksys_write+0x72/0xf0
 #1: ffff88810c755078 (&amp;of-&gt;mutex#2){+.+.}-{3:3}, at: kernfs_fop_write_iter+0x123/0x220
 #2: ffff8881054811a0 (&amp;dev-&gt;mutex){....}-{3:3}, at: device_release_driver_internal+0x55/0x280
 #3: ffff888156815620 (&amp;devcd-&gt;mutex){+.+.}-{3:3}, at: dev_coredump_put+0x3f/0xa0
 #4: ffffffff8359e020 (rcu_read_lock){....}-{1:2}, at: __flush_work+0x72/0x660
stack backtrace:
CPU: 14 UID: 0 PID: 5091 Comm: xe_fault_inject Tainted: G S   U              6.16.0-rc6-lgci-xe-xe-pw-151626v3+ #1 PREEMPT_{RT,(lazy)}
Tainted: [S]=CPU_OUT_OF_SPEC, [U]=USER
Hardware name: Micro-Star International Co., Ltd. MS-7D25/PRO Z690-A DDR4(MS-7D25), BIOS 1.10 12/13/2021
Call Trace:
 &lt;TASK&gt;
 dump_stack_lvl+0x91/0xf0
 dump_stack+0x10/0x20
 print_circular_bug+0x285/0x360
 check_noncircular+0x135/0x150
 ? register_lock_class+0x48/0x4a0
 __lock_acquire+0x1661/0x2860
 lock_acquire+0xc4/0x2f0
 ? __flush_work+0x25d/0x660
 ? mark_held_locks+0x46/0x90
 ? __flush_work+0x25d/0x660
 __flush_work+0x27a/0x660
 ? __flush_work+0x25d/0x660
 ? trace_hardirqs_on+0x1e/0xd0
 ? __pfx_wq_barrier_func+0x10/0x10
 flush_delayed_work+0x5d/0xa0
 dev_coredump_put+0x63/0xa0
 xe_driver_devcoredump_fini+0x12/0x20 [xe]
 devm_action_release+0x12/0x30
 release_nodes+0x3a/0x120
 devres_release_all+0x8a/0xd0
 device_unbind_cleanup+0x12/0x80
 device_release_driver_internal+0x23a/0x280
 ? bus_find_device+0xa8/0xe0
 device_driver_detach+0x14/0x20
 unbind_store+0xaf/0xc0
 drv_attr_store+0x21/0x50
 sysfs_kf_write+0x4a/0x80
 kernfs_fop_write_iter+0x169/0x220
 vfs_write+0x293/0x560
 ksys_write+0x72/0xf0
 __x64_sys_write+0x19/0x30
 x64_sys_call+0x2bf/0x2660
 do_syscall_64+0x93/0xb60
 ? __f_unlock_pos+0x15/0x20
 ? __x64_sys_getdents64+0x9b/0x130
 ? __pfx_filldir64+0x10/0x10
 ? do_syscall_64+0x1a2/0xb60
 ? clear_bhb_loop+0x30/0x80
 ? clear_bhb_loop+0x30/0x80
 entry_SYSCALL_64_after_hwframe+0x76/0x7e
RIP: 0033:0x76e292edd574
Code: c7 00 16 00 00 00 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 f3 0f 1e fa 80 3d d5 ea 0e 00 00 74 13 b8 01 00 00 00 0f 05 &lt;48&gt; 3d 00 f0 ff ff 77 54 c3 0f 1f 00 55 48 89 e5 48 83 ec 20 48 89
RSP: 002b:00007fffe247a828 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 000076e292edd574
RDX: 000000000000000c RSI: 00006267f6306063 RDI: 000000000000000b
RBP: 000000000000000c R08: 000076e292fc4b20 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000202 R12: 00006267f6306063
R13: 000000000000000b R14: 00006267e6859c00 R15: 000076e29322a000
 &lt;/TASK&gt;
xe 0000:03:00.0: [drm] Xe device coredump has been deleted.

Fixes: 01daccf74832 ("devcoredump : Serialize devcd_del work")
Cc: Mukesh Ojha &lt;quic_mojha@quicinc.com&gt;
Cc: Greg Kroah-Hartman &lt;gregkh@linuxfoundation.org&gt;
Cc: Johannes Berg &lt;johannes@sipsolutions.net&gt;
Cc: Rafael J. Wysocki &lt;rafael@kernel.org&gt;
Cc: Danilo Krummrich &lt;dakr@kernel.org&gt;
Cc: linux-kernel@vger.kernel.org
Cc: stable@vger.kernel.org # v6.1+
Signed-off-by: Maarten Lankhorst &lt;dev@lankhorst.se&gt;
Cc: Matthew Brost &lt;matthew.brost@intel.com&gt;
Acked-by: Mukesh Ojha &lt;mukesh.ojha@oss.qualcomm.com&gt;
Link: https://lore.kernel.org/r/20250723142416.1020423-1-dev@lankhorst.se
Signed-off-by: Greg Kroah-Hartman &lt;gregkh@linuxfoundation.org&gt;
</content>
</entry>
<entry>
<title>driver core: fw_devlink: Don't warn about sync_state() pending</title>
<updated>2025-10-17T07:47:40Z</updated>
<author>
<name>Ulf Hansson</name>
<email>ulf.hansson@linaro.org</email>
</author>
<published>2025-10-07T09:43:12Z</published>
<link rel='alternate' type='text/html' href='https://git.zx2c4.com/wireguard-linux/commit/?id=74b84d1be0220b99405c16a4a3e1e503e3bd8387'/>
<id>urn:sha1:74b84d1be0220b99405c16a4a3e1e503e3bd8387</id>
<content type='text'>
Due to the wider deployment of the -&gt;sync_state() support, for PM domains
for example, we are receiving reports about the sync_state() pending
message that is being logged in fw_devlink_dev_sync_state(). In particular
as it's printed at the warning level, which is questionable.

Even if it certainly is useful to know that the -&gt;sync_state() condition
could not be met, there may be nothing wrong with it. For example, a driver
may be built as module and are still waiting to be initialized/probed. For
this reason let's move to the info level for now.

Reported-by: Geert Uytterhoeven &lt;geert@linux-m68k.org&gt;
Reported-by: Sebin Francis &lt;sebin.francis@ti.com&gt;
Reported-by: Diederik de Haas &lt;didi.debian@cknow.org&gt;
Reported-by: Jon Hunter &lt;jonathanh@nvidia.com&gt;
Reviewed-by: Tomi Valkeinen &lt;tomi.valkeinen@ideasonboard.com&gt;
Signed-off-by: Ulf Hansson &lt;ulf.hansson@linaro.org&gt;
Reviewed-by: Dhruva Gole &lt;d-gole@ti.com&gt;
Reviewed-by: Sebastian Reichel &lt;sebastian.reichel@collabora.com&gt;
Reviewed-by: Kevin Hilman &lt;khilman@baylibre.com&gt;
Acked-by: Saravana Kannan &lt;saravanak@google.com&gt;
Reviewed-by: Sebin Francis &lt;sebin.francis@ti.com&gt;
Tested-by: Sebin Francis &lt;sebin.francis@ti.com&gt;
Signed-off-by: Greg Kroah-Hartman &lt;gregkh@linuxfoundation.org&gt;
</content>
</entry>
<entry>
<title>Merge tag 'pm-6.18-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm</title>
<updated>2025-10-07T16:39:51Z</updated>
<author>
<name>Linus Torvalds</name>
<email>torvalds@linux-foundation.org</email>
</author>
<published>2025-10-07T16:39:51Z</published>
<link rel='alternate' type='text/html' href='https://git.zx2c4.com/wireguard-linux/commit/?id=abdf766d149c51fb256118f73be947d7a82f702e'/>
<id>urn:sha1:abdf766d149c51fb256118f73be947d7a82f702e</id>
<content type='text'>
Pull more power management updates from Rafael Wysocki:
 "These are cpufreq fixes and cleanups on top of the material merged
  previously, a power management core code fix and updates of the
  runtime PM framework including unit tests, documentation updates and
  introduction of auto-cleanup macros for runtime PM "resume and get"
  and "get without resuming" operations.

  Specifics:

   - Make cpufreq drivers setting the default CPU transition latency to
     CPUFREQ_ETERNAL specify a proper default transition latency value
     instead which addresses a regression introduced during the 6.6
     cycle that broke CPUFREQ_ETERNAL handling (Rafael Wysocki)

   - Make the cpufreq CPPC driver use a proper transition delay value
     when CPUFREQ_ETERNAL is returned by cppc_get_transition_latency()
     to indicate an error condition (Rafael Wysocki)

   - Make cppc_get_transition_latency() return a negative error code to
     indicate error conditions instead of using CPUFREQ_ETERNAL for this
     purpose and drop CPUFREQ_ETERNAL that has no other users (Rafael
     Wysocki, Gopi Krishna Menon)

   - Fix device leak in the mediatek cpufreq driver (Johan Hovold)

   - Set target frequency on all CPUs sharing a policy during frequency
     updates in the tegra186 cpufreq driver and make it initialize all
     cores to max frequencies (Aaron Kling)

   - Rust cpufreq helper cleanup (Thorsten Blum)

   - Make pm_runtime_put*() family of functions return 1 when the given
     device is already suspended which is consistent with the
     documentation (Brian Norris)

   - Add basic kunit tests for runtime PM API contracts and update
     return values in kerneldoc comments for the runtime PM API (Brian
     Norris, Dan Carpenter)

   - Add auto-cleanup macros for runtime PM "resume and get" and "get
     without resume" operations, use one of them in the PCI core and
     drop the existing "free" macro introduced for similar purpose, but
     somewhat cumbersome to use (Rafael Wysocki)

   - Make the core power management code avoid waiting on device links
     marked as SYNC_STATE_ONLY which is consistent with the handling of
     those device links elsewhere (Pin-yen Lin)"

* tag 'pm-6.18-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
  docs/zh_CN: Fix malformed table
  docs/zh_TW: Fix malformed table
  PM: runtime: Fix error checking for kunit_device_register()
  PM: runtime: Introduce one more usage counter guard
  cpufreq: Drop unused symbol CPUFREQ_ETERNAL
  ACPI: CPPC: Do not use CPUFREQ_ETERNAL as an error value
  cpufreq: CPPC: Avoid using CPUFREQ_ETERNAL as transition delay
  cpufreq: Make drivers using CPUFREQ_ETERNAL specify transition latency
  PM: runtime: Drop DEFINE_FREE() for pm_runtime_put()
  PCI/sysfs: Use runtime PM guard macro for auto-cleanup
  PM: runtime: Add auto-cleanup macros for "resume and get" operations
  cpufreq: tegra186: Initialize all cores to max frequencies
  cpufreq: tegra186: Set target frequency for all cpus in policy
  rust: cpufreq: streamline find_supply_names
  cpufreq: mediatek: fix device leak on probe failure
  PM: sleep: Do not wait on SYNC_STATE_ONLY device links
  PM: runtime: Update kerneldoc return codes
  PM: runtime: Make put{,_sync}() return 1 when already suspended
  PM: runtime: Add basic kunit tests for API contracts
</content>
</entry>
<entry>
<title>Merge branches 'pm-core' and 'pm-runtime'</title>
<updated>2025-10-07T10:20:36Z</updated>
<author>
<name>Rafael J. Wysocki</name>
<email>rafael.j.wysocki@intel.com</email>
</author>
<published>2025-10-07T10:20:36Z</published>
<link rel='alternate' type='text/html' href='https://git.zx2c4.com/wireguard-linux/commit/?id=05f084d24e098d93c7b0803e32b9be9fff6ef490'/>
<id>urn:sha1:05f084d24e098d93c7b0803e32b9be9fff6ef490</id>
<content type='text'>
Merge runtime PM framework updates and a core power management code fix
for 6.18-rc1:

 - Make pm_runtime_put*() family of functions return 1 when the
   given device is already suspended which is consistent with the
   documentation (Brian Norris)

 - Add basic kunit tests for runtime PM API contracts and update return
   values in kerneldoc coments for the runtime PM API (Brian Norris,
   Dan Carpenter)

 - Add auto-cleanup macros for runtime PM "resume and get" and "get
   without resume" operations, use one of them in the PCI core and
   drop the existing "free" macro introduced for similar purpose, but
   somewhat cumbersome to use (Rafael Wysocki)

 - Make the core power management code avoid waiting on device links
   marked as SYNC_STATE_ONLY which is consistent with the handling of
   those device links elsewhere (Pin-yen Lin)

* pm-core:
  PM: sleep: Do not wait on SYNC_STATE_ONLY device links

* pm-runtime:
  PM: runtime: Fix error checking for kunit_device_register()
  PM: runtime: Introduce one more usage counter guard
  PM: runtime: Drop DEFINE_FREE() for pm_runtime_put()
  PCI/sysfs: Use runtime PM guard macro for auto-cleanup
  PM: runtime: Add auto-cleanup macros for "resume and get" operations
  PM: runtime: Update kerneldoc return codes
  PM: runtime: Make put{,_sync}() return 1 when already suspended
  PM: runtime: Add basic kunit tests for API contracts
</content>
</entry>
<entry>
<title>Merge tag 'mm-stable-2025-10-03-16-49' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm</title>
<updated>2025-10-05T19:11:07Z</updated>
<author>
<name>Linus Torvalds</name>
<email>torvalds@linux-foundation.org</email>
</author>
<published>2025-10-05T19:11:07Z</published>
<link rel='alternate' type='text/html' href='https://git.zx2c4.com/wireguard-linux/commit/?id=7a405dbb0f036f8d1713ab9e7df0cd3137987b07'/>
<id>urn:sha1:7a405dbb0f036f8d1713ab9e7df0cd3137987b07</id>
<content type='text'>
Pull more MM updates from Andrew Morton:
"Only two patch series in this pull request:

   - "mm/memory_hotplug: fixup crash during uevent handling" from Hannes
     Reinecke fixes a race that was causing udev to trigger a crash in
     the memory hotplug code

   - "mm_slot: following fixup for usage of mm_slot_entry()" from Wei
     Yang adds some touchups to the just-merged mm_slot changes"

* tag 'mm-stable-2025-10-03-16-49' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm:
  mm/khugepaged: use KMEM_CACHE()
  mm/ksm: cleanup mm_slot_entry() invocation
  Documentation/mm: drop pxx_mkdevmap() descriptions from page table helpers
  mm: clean up is_guard_pte_marker()
  drivers/base: move memory_block_add_nid() into the caller
  mm/memory_hotplug: activate node before adding new memory blocks
  drivers/base/memory: add node id parameter to add_memory_block()
</content>
</entry>
<entry>
<title>Merge tag 'cxl-for-6.18' of git://git.kernel.org/pub/scm/linux/kernel/git/cxl/cxl</title>
<updated>2025-10-04T19:02:50Z</updated>
<author>
<name>Linus Torvalds</name>
<email>torvalds@linux-foundation.org</email>
</author>
<published>2025-10-04T19:02:50Z</published>
<link rel='alternate' type='text/html' href='https://git.zx2c4.com/wireguard-linux/commit/?id=d104e3d17f7bfc505281f57f8c1a5589fca6ffe4'/>
<id>urn:sha1:d104e3d17f7bfc505281f57f8c1a5589fca6ffe4</id>
<content type='text'>
Pull CXL updates from Dave Jiang:
 "The changes include adding poison injection support, fixing CXL access
  coordinates when onlining CXL memory, and delaing the enumeration of
  downstream switch ports for CXL hierarchy to ensure that the CXL link
  is established at the time of enumeration to address a few issues
  observed on AMD and Intel platforms.

  Misc changes:
   - Use str_plural() instead of open code for emitting strings.
   - Use str_enabled_disabled() instead of ternary operator
   - Fix emit of type resource_size_t argument for
     validate_region_offset()
   - Typo fixup in CXL driver-api documentation
   - Rename CFMWS coherency restriction defines
   - Add convention doc describe dealing with x86 low memory hole
     and CXL

  Poison Inject support:
   - Move hpa_to_spa callback to new reoot decoder ops structure
   - Define a SPA to HPA callback for interleave calculation with
     XOR math
   - Add support for SPA to DPA address translation with XOR
   - Add locked variants of poison inject and clear functions
   - Add inject and clear poison support by region offset

  CXL access coordinates update fix:
   - A comment update for hotplug memory callback prority defines
   - Add node_update_perf_attrs() for updating perf attrs on a node
   - Update cxl_access_coordinates() to use the new node update function
   - Remove hmat_update_target_coordinates() and related code

  CXL delayed downstream port enumeration and initialization:
   - Add helper to detect top of CXL device topology and remove
     open coding
   - Add helper to delete single dport
   - Add a cached copy of target_map to cxl_decoder
   - Refactor decoder setup to reduce cxl_test burden
   - Defer dport allocation for switch ports
   - Add mock version of devm_cxl_add_dport_by_dev() for cxl_test
   - Adjust the mock version of devm_cxl_switch_port_decoders_setup()
     due to cxl core usage
   - Setup target_map for cxl_test decoder initialization
   - Change SSLBIS handler to handle single dport
   - Move port register setup to when first dport appears"

* tag 'cxl-for-6.18' of git://git.kernel.org/pub/scm/linux/kernel/git/cxl/cxl: (25 commits)
  cxl: Move port register setup to when first dport appear
  cxl: Change sslbis handler to only handle single dport
  cxl/test: Setup target_map for cxl_test decoder initialization
  cxl/test: Adjust the mock version of devm_cxl_switch_port_decoders_setup()
  cxl/test: Add mock version of devm_cxl_add_dport_by_dev()
  cxl: Defer dport allocation for switch ports
  cxl/test: Refactor decoder setup to reduce cxl_test burden
  cxl: Add a cached copy of target_map to cxl_decoder
  cxl: Add helper to delete dport
  cxl: Add helper to detect top of CXL device topology
  cxl: Documentation/driver-api/cxl: Describe the x86 Low Memory Hole solution
  cxl/acpi: Rename CFMW coherency restrictions
  Documentation/driver-api: Fix typo error in cxl
  acpi/hmat: Remove now unused hmat_update_target_coordinates()
  cxl, acpi/hmat: Update CXL access coordinates directly instead of through HMAT
  drivers/base/node: Add a helper function node_update_perf_attrs()
  mm/memory_hotplug: Update comment for hotplug memory callback priorities
  cxl: Fix emit of type resource_size_t argument for validate_region_offset()
  cxl/region: Add inject and clear poison by region offset
  cxl/core: Add locked variants of the poison inject and clear funcs
  ...
</content>
</entry>
<entry>
<title>Merge tag 'riscv-for-linus-6.18-mw2' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux</title>
<updated>2025-10-04T17:36:22Z</updated>
<author>
<name>Linus Torvalds</name>
<email>torvalds@linux-foundation.org</email>
</author>
<published>2025-10-04T17:36:22Z</published>
<link rel='alternate' type='text/html' href='https://git.zx2c4.com/wireguard-linux/commit/?id=86bcf7be1e26f2d7277df90857d93ce0ebc11370'/>
<id>urn:sha1:86bcf7be1e26f2d7277df90857d93ce0ebc11370</id>
<content type='text'>
Pull more RISC-V updates from Paul Walmsley:

 - Support for the RISC-V-standardized RPMI interface.

   RPMI is a platform management communication mechanism between OSes
   running on application processors, and a remote platform management
   processor. Similar to ARM SCMI, TI SCI, etc. This includes irqchip,
   mailbox, and clk changes.

 - Support for the RISC-V-standardized MPXY SBI extension.

   MPXY is a RISC-V-specific standard implementing a shared memory
   mailbox between S-mode operating systems (e.g., Linux) and M-mode
   firmware (e.g., OpenSBI). It is part of this PR since one of its use
   cases is to enable M-mode firmware to act as a single RPMI client for
   all RPMI activity on a core (including S-mode RPMI activity).
   Includes a mailbox driver.

 - Some ACPI-related updates to enable the use of RPMI and MPXY.

 - The addition of Linux-wide memcpy_{from,to}_le32() static inline
   functions, for RPMI use.

 - An ACPI Kconfig change to enable boot logos on any ACPI-using
   architecture (including RISC-V)

 - A RISC-V defconfig change to add GPIO keyboard and event device
   support, for front panel shutdown or reboot buttons

* tag 'riscv-for-linus-6.18-mw2' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux: (26 commits)
  clk: COMMON_CLK_RPMI should depend on RISCV
  ACPI: support BGRT table on RISC-V
  MAINTAINERS: Add entry for RISC-V RPMI and MPXY drivers
  RISC-V: Enable GPIO keyboard and event device in RV64 defconfig
  irqchip/riscv-rpmi-sysmsi: Add ACPI support
  mailbox/riscv-sbi-mpxy: Add ACPI support
  irqchip/irq-riscv-imsic-early: Export imsic_acpi_get_fwnode()
  ACPI: RISC-V: Add RPMI System MSI to GSI mapping
  ACPI: RISC-V: Add support to update gsi range
  ACPI: RISC-V: Create interrupt controller list in sorted order
  ACPI: scan: Update honor list for RPMI System MSI
  ACPI: Add support for nargs_prop in acpi_fwnode_get_reference_args()
  ACPI: property: Refactor acpi_fwnode_get_reference_args() to support nargs_prop
  irqchip: Add driver for the RPMI system MSI service group
  dt-bindings: Add RPMI system MSI interrupt controller bindings
  dt-bindings: Add RPMI system MSI message proxy bindings
  clk: Add clock driver for the RISC-V RPMI clock service group
  dt-bindings: clock: Add RPMI clock service controller bindings
  dt-bindings: clock: Add RPMI clock service message proxy bindings
  mailbox: Add RISC-V SBI message proxy (MPXY) based mailbox driver
  ...
</content>
</entry>
</feed>
