- 12 Aug, 2024 20 commits
-
-
Hans de Goede authored
Merge 'platform-drivers-x86-v6.11-3' into review-hans to avoid conflicts when merging further ideapad-laptop patches. platform-drivers-x86 for v6.11-3 Fixes: - ideapad-laptop / lenovo-ymc: Protect VPC calls with a mutex - amd/pmf: Query HPD data also when ALS is disabled The following is an automated shortlog grouped by driver: amd/pmf: - Fix to Update HPD Data When ALS is Disabled ideapad-laptop: - add a mutex to synchronize VPC commands - introduce a generic notification chain - move ymc_trigger_ec from lenovo-ymc
-
Jithu Joseph authored
Add tracing support for the SBAF IFS tests, which may be useful for debugging systems that fail these tests. Log details like test content batch number, SBAF bundle ID, program index and the exact errors or warnings encountered by each HT thread during the test. Reviewed-by: Ashok Raj <ashok.raj@intel.com> Reviewed-by: Tony Luck <tony.luck@intel.com> Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com> Reviewed-by: Steven Rostedt (Google) <rostedt@goodmis.org> Signed-off-by: Jithu Joseph <jithu.joseph@intel.com> Signed-off-by: Kuppuswamy Sathyanarayanan <sathyanarayanan.kuppuswamy@linux.intel.com> Link: https://lore.kernel.org/r/20240801051814.1935149-5-sathyanarayanan.kuppuswamy@linux.intel.comSigned-off-by: Hans de Goede <hdegoede@redhat.com>
-
Jithu Joseph authored
In a core, the SBAF test engine is shared between sibling CPUs. An SBAF test image contains multiple bundles. Each bundle is further composed of subunits called programs. When a SBAF test (for a particular core) is triggered by the user, each SBAF bundle from the loaded test image is executed sequentially on all the threads on the core using the stop_core_cpuslocked mechanism. Each bundle execution is initiated by writing to MSR_ACTIVATE_SBAF. SBAF test bundle execution may be aborted when an interrupt occurs or if the CPU does not have enough power budget for the test. In these cases the kernel restarts the test from the aborted bundle. SBAF execution is not retried if the test fails or if the test makes no forward progress after 5 retries. Reviewed-by: Ashok Raj <ashok.raj@intel.com> Reviewed-by: Tony Luck <tony.luck@intel.com> Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com> Signed-off-by: Jithu Joseph <jithu.joseph@intel.com> Signed-off-by: Kuppuswamy Sathyanarayanan <sathyanarayanan.kuppuswamy@linux.intel.com> Link: https://lore.kernel.org/r/20240801051814.1935149-4-sathyanarayanan.kuppuswamy@linux.intel.comSigned-off-by: Hans de Goede <hdegoede@redhat.com>
-
Jithu Joseph authored
Structural Based Functional Test at Field (SBAF) is a new type of testing that provides comprehensive core test coverage complementing existing IFS tests like Scan at Field (SAF) or ArrayBist. SBAF device will appear as a new device instance (intel_ifs_2) under /sys/devices/virtual/misc. The user interaction necessary to load the test image and test a particular core is the same as the existing scan test (intel_ifs_0). During the loading stage, the driver will look for a file named ff-mm-ss-<batch02x>.sbft in the /lib/firmware/intel/ifs_2 directory. The hardware interaction needed for loading the image is similar to SAF, with the only difference being the MSR addresses used. Reuse the SAF image loading code, passing the SBAF-specific MSR addresses via struct ifs_test_msrs in the driver device data. Unlike SAF, the SBAF test image chunks are further divided into smaller logical entities called bundles. Since the SBAF test is initiated per bundle, cache the maximum number of bundles in the current image, which is used for iterating through bundles during SBAF test execution. Reviewed-by: Ashok Raj <ashok.raj@intel.com> Reviewed-by: Tony Luck <tony.luck@intel.com> Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com> Signed-off-by: Jithu Joseph <jithu.joseph@intel.com> Co-developed-by: Kuppuswamy Sathyanarayanan <sathyanarayanan.kuppuswamy@linux.intel.com> Signed-off-by: Kuppuswamy Sathyanarayanan <sathyanarayanan.kuppuswamy@linux.intel.com> Link: https://lore.kernel.org/r/20240801051814.1935149-3-sathyanarayanan.kuppuswamy@linux.intel.comSigned-off-by: Hans de Goede <hdegoede@redhat.com>
-
Kuppuswamy Sathyanarayanan authored
IFS tests such as Scan at Field (SAF) or Structural Based Functional Test at Field (SBAF), require the user to load a test image. The image loading process is similar across these tests, with the only difference being MSR addresses used. To reuse the code between these tests, remove the hard coding of MSR addresses and allow the driver to pass the MSR addresses per IFS test (via driver device data). Add a new structure named "struct ifs_test_msrs" to specify the test-specific MSR addresses. Each IFS test will provide this structure, enabling them to reuse the common code. This is a preliminary patch in preparation for the addition of SBAF support. Reviewed-by: Ashok Raj <ashok.raj@intel.com> Reviewed-by: Tony Luck <tony.luck@intel.com> Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com> Signed-off-by: Kuppuswamy Sathyanarayanan <sathyanarayanan.kuppuswamy@linux.intel.com> Link: https://lore.kernel.org/r/20240801051814.1935149-2-sathyanarayanan.kuppuswamy@linux.intel.comSigned-off-by: Hans de Goede <hdegoede@redhat.com>
-
Srinivas Pandruvada authored
After commit '1630dc62 ("platform/x86: ISST: Add model specific loading for common module")' isst_misc_reg() and isst_misc_unreg() can be simplified. Since these functions are only called during module_init() and module_exit() respectively, there is no contention while calling misc_register()/misc_deregister or isst_if_cpu_info_init()/ isst_if_cpu_info_exit(). Hence remove mutex and reference counting. Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com> Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com> Link: https://lore.kernel.org/r/20240731184256.1852840-1-srinivas.pandruvada@linux.intel.comReviewed-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Hans de Goede <hdegoede@redhat.com>
-
Thomas Zimmermann authored
Replace FB_BLANK_ constants with their counterparts from the backlight subsystem. The values are identical, so there's no change in functionality or semantics. Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de> Cc: Corentin Chary <corentin.chary@gmail.com> Cc: Hans de Goede <hdegoede@redhat.com> Cc: "Ilpo Järvinen" <ilpo.jarvinen@linux.intel.com> Link: https://lore.kernel.org/r/20240731125220.1147348-11-tzimmermann@suse.deReviewed-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Hans de Goede <hdegoede@redhat.com>
-
Thomas Zimmermann authored
Replace FB_BLANK_ constants with their counterparts from the backlight subsystem. The values are identical, so there's no change in functionality or semantics. Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de> Cc: Hans de Goede <hdegoede@redhat.com> Cc: "Ilpo Järvinen" <ilpo.jarvinen@linux.intel.com> Link: https://lore.kernel.org/r/20240731125220.1147348-10-tzimmermann@suse.deReviewed-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Hans de Goede <hdegoede@redhat.com>
-
Thomas Zimmermann authored
Replace FB_BLANK_ constants with their counterparts from the backlight subsystem. The values are identical, so there's no change in functionality or semantics. Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de> Cc: Ike Panhc <ike.pan@canonical.com> Cc: Hans de Goede <hdegoede@redhat.com> Cc: "Ilpo Järvinen" <ilpo.jarvinen@linux.intel.com> Link: https://lore.kernel.org/r/20240731125220.1147348-9-tzimmermann@suse.deReviewed-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Hans de Goede <hdegoede@redhat.com>
-
Thomas Zimmermann authored
Replace FB_BLANK_ constants with their counterparts from the backlight subsystem. The values are identical, so there's no change in functionality or semantics. Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de> Cc: Jonathan Woithe <jwoithe@just42.net> Cc: Hans de Goede <hdegoede@redhat.com> Cc: "Ilpo Järvinen" <ilpo.jarvinen@linux.intel.com> Acked-by: Jonathan Woithe <jwoithe@just42.net> Link: https://lore.kernel.org/r/20240731125220.1147348-8-tzimmermann@suse.deReviewed-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Hans de Goede <hdegoede@redhat.com>
-
Thomas Zimmermann authored
Replace FB_BLANK_ constants with their counterparts from the backlight subsystem. The values are identical, so there's no change in functionality or semantics. Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de> Cc: Corentin Chary <corentin.chary@gmail.com> Cc: "Luke D. Jones" <luke@ljones.dev> Cc: Hans de Goede <hdegoede@redhat.com> Cc: "Ilpo Järvinen" <ilpo.jarvinen@linux.intel.com> Link: https://lore.kernel.org/r/20240731125220.1147348-7-tzimmermann@suse.deReviewed-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Hans de Goede <hdegoede@redhat.com>
-
Thomas Zimmermann authored
Replace FB_BLANK_ constants with their counterparts from the backlight subsystem. The values are identical, so there's no change in functionality or semantics. Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de> Cc: Corentin Chary <corentin.chary@gmail.com> Cc: "Luke D. Jones" <luke@ljones.dev> Cc: Hans de Goede <hdegoede@redhat.com> Cc: "Ilpo Järvinen" <ilpo.jarvinen@linux.intel.com> Link: https://lore.kernel.org/r/20240731125220.1147348-6-tzimmermann@suse.deReviewed-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Hans de Goede <hdegoede@redhat.com>
-
Thomas Zimmermann authored
Replace FB_BLANK_ constants with their counterparts from the backlight subsystem. The values are identical, so there's no change in functionality or semantics. Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de> Cc: Corentin Chary <corentin.chary@gmail.com> Cc: "Luke D. Jones" <luke@ljones.dev> Cc: Hans de Goede <hdegoede@redhat.com> Cc: "Ilpo Järvinen" <ilpo.jarvinen@linux.intel.com> Link: https://lore.kernel.org/r/20240731125220.1147348-5-tzimmermann@suse.deReviewed-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Hans de Goede <hdegoede@redhat.com>
-
Thomas Zimmermann authored
Replace FB_BLANK_ constants with their counterparts from the backlight subsystem. The values are identical, so there's no change in functionality or semantics. Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de> Cc: Corentin Chary <corentin.chary@gmail.com> Cc: "Luke D. Jones" <luke@ljones.dev> Cc: Hans de Goede <hdegoede@redhat.com> Cc: "Ilpo Järvinen" <ilpo.jarvinen@linux.intel.com> Link: https://lore.kernel.org/r/20240731125220.1147348-4-tzimmermann@suse.deReviewed-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Hans de Goede <hdegoede@redhat.com>
-
Thomas Zimmermann authored
Replace FB_BLANK_ constants with their counterparts from the backlight subsystem. The values are identical, so there's no change in functionality or semantics. Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de> Cc: Corentin Chary <corentin.chary@gmail.com> Cc: "Luke D. Jones" <luke@ljones.dev> Cc: Hans de Goede <hdegoede@redhat.com> Cc: "Ilpo Järvinen" <ilpo.jarvinen@linux.intel.com> Link: https://lore.kernel.org/r/20240731125220.1147348-3-tzimmermann@suse.deReviewed-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Hans de Goede <hdegoede@redhat.com>
-
Thomas Zimmermann authored
Replace FB_BLANK_ constants with their counterparts from the backlight subsystem. The values are identical, so there's no change in functionality or semantics. Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de> Cc: "Lee, Chun-Yi" <jlee@suse.com> Cc: Hans de Goede <hdegoede@redhat.com> Cc: "Ilpo Järvinen" <ilpo.jarvinen@linux.intel.com> Link: https://lore.kernel.org/r/20240731125220.1147348-2-tzimmermann@suse.deReviewed-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Hans de Goede <hdegoede@redhat.com>
-
David E. Box authored
PMT providers may require device specific actions before their telemetry may be read. If the read_telem() is assigned, call it instead of memcpy_fromio() and return. Since this needs to be done in multiple locations, add pmt_telem_read_mmio() as a wrapper function to perform this and any other needed checks. Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com> Reviewed-by: Michael J. Ruhl <michael.j.ruhl@intel.com> Signed-off-by: David E. Box <david.e.box@linux.intel.com> Link: https://lore.kernel.org/r/20240725122346.4063913-4-michael.j.ruhl@intel.comSigned-off-by: Hans de Goede <hdegoede@redhat.com>
-
David E. Box authored
Some PMT providers require device specific actions before their telemetry can be read. Provide assignable PMT read callbacks to allow providers to perform those actions. Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com> Reviewed-by: Michael J. Ruhl <michael.j.ruhl@intel.com> Signed-off-by: David E. Box <david.e.box@linux.intel.com> Link: https://lore.kernel.org/r/20240725122346.4063913-3-michael.j.ruhl@intel.comSigned-off-by: Hans de Goede <hdegoede@redhat.com>
-
David E. Box authored
Some drivers outside of PDX86 need access to the vsec header. Move it to include/linux to make it easier to include. Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com> Reviewed-by: Michael J. Ruhl <michael.j.ruhl@intel.com> Signed-off-by: David E. Box <david.e.box@linux.intel.com> Link: https://lore.kernel.org/r/20240725122346.4063913-2-michael.j.ruhl@intel.comSigned-off-by: Hans de Goede <hdegoede@redhat.com>
-
Kane Chen authored
While debugging runtime s0ix, we do need to check which required IPs are not power gated. This patch adds code to show live substate status vs requirements in sys/kernel/debug/pmc_core/substate_requirements to help runtime s0ix debug. Signed-off-by: Kane Chen <kane.chen@intel.com> Link: https://lore.kernel.org/r/20240719122807.3853292-1-kane.chen@intel.comReviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com> Signed-off-by: Hans de Goede <hdegoede@redhat.com>
-
- 08 Aug, 2024 4 commits
-
-
Gergo Koteles authored
Calling VPC commands consists of several VPCW and VPCR ACPI calls. These calls and their results can get mixed up if they are called simultaneously from different threads, like acpi notify handler, sysfs, debugfs, notification chain. The commit e2ffcda1 ("ACPI: OSL: Allow Notify () handlers to run on all CPUs") made the race issues much worse than before it but some races were possible even before that commit. Add a mutex to synchronize VPC commands. Fixes: e2ffcda1 ("ACPI: OSL: Allow Notify () handlers to run on all CPUs") Fixes: e82882cd ("platform/x86: Add driver for Yoga Tablet Mode switch") Signed-off-by: Gergo Koteles <soyer@irl.hu> Link: https://lore.kernel.org/r/f26782fa1194ad11ed5d9ba121a804e59b58b026.1721898747.git.soyer@irl.huReviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com> Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
-
Gergo Koteles authored
Some models need to trigger the EC after each YMC event for the yoga mode control to work properly. EC triggering consist of a VPC call from the lenovo-ymc module. Except for this, all VPC calls are in the ideapad-laptop module. Since ideapad-laptop has a notification chain, a new YMC_EVENT action can be added and triggered from the lenovo-ymc module. Then the ideapad-laptop can trigger the EC. If the triggering is in the ideapad-laptop module, then the ec_trigger module parameter should be there as well. Move the ymc_trigger_ec functionality and the ec_trigger module parameter to the ideapad-laptop module. Signed-off-by: Gergo Koteles <soyer@irl.hu> Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com> Link: https://lore.kernel.org/r/d980ab3ac32b5e554f456b0ff17279bfdbe2a203.1721898747.git.soyer@irl.huSigned-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
-
Gergo Koteles authored
There are several cases where a notification chain can simplify Lenovo WMI drivers. Add a generic notification chain into ideapad-laptop. Signed-off-by: Gergo Koteles <soyer@irl.hu> Link: https://lore.kernel.org/r/c5a43efae8a32bd034c3d19c0a686941347575a7.1721898747.git.soyer@irl.huReviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com> Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
-
Shyam Sundar S K authored
If the Ambient Light Sensor (ALS) is disabled, the current code in the PMF driver does not query for Human Presence Detection (HPD) data in amd_pmf_get_sensor_info(). As a result, stale HPD data is used by PMF-TA to evaluate policy conditions, leading to unexpected behavior in the policy output actions. To resolve this issue, modify the PMF driver to query HPD data independently of ALS. Since user_present is a boolean, modify the current code to return true if the user is present and false if the user is away or if the sensor is not detected, and report this status to the PMF TA firmware accordingly. With this change, amd_pmf_get_sensor_info() now returns void instead of int. Fixes: cedecdba ("platform/x86/amd/pmf: Get ambient light information from AMD SFH driver") Co-developed-by: Patil Rajesh Reddy <Patil.Reddy@amd.com> Signed-off-by: Patil Rajesh Reddy <Patil.Reddy@amd.com> Signed-off-by: Shyam Sundar S K <Shyam-sundar.S-k@amd.com> Link: https://lore.kernel.org/r/20240730142316.3846259-1-Shyam-sundar.S-k@amd.comReviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com> Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
-
- 05 Aug, 2024 2 commits
-
-
Arnd Bergmann authored
Linking an object file into multiple modules is not supported and causes a W=1 warning: scripts/Makefile.build:236: drivers/platform/x86/intel/int3472/Makefile: common.o is added to multiple modules: intel_skl_int3472_discrete intel_skl_int3472_tps68470 Split out the common part here into a separate module to make it more reliable. Fixes: a2f9fbc2 ("platform/x86: int3472: Split into 2 drivers") Signed-off-by: Arnd Bergmann <arnd@arndb.de> Link: https://lore.kernel.org/r/20240529095009.1895618-1-arnd@kernel.orgReviewed-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Hans de Goede <hdegoede@redhat.com>
-
Luke D. Jones authored
On almost all ASUS ROG series laptops the MCU used for the USB keyboard also has a HID packet used for setting the brightness. This is usually the same as the WMI method. But in some laptops the WMI method either is missing or doesn't work, so we should default to the HID control. Signed-off-by: Luke D. Jones <luke@ljones.dev> Acked-by: Benjamin Tissoires <bentiss@kernel.org> Link: https://lore.kernel.org/r/20240713074733.77334-2-luke@ljones.devReviewed-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Hans de Goede <hdegoede@redhat.com>
-
- 01 Aug, 2024 1 commit
-
-
Mohamed Ghanmi authored
Add support for vivobook fan profiles wmi call on the ASUS VIVOBOOK to adjust power limits. These fan profiles have a different device id than the ROG series and different order. This reorders the existing modes. As part of keeping the patch clean the throttle_thermal_policy_available boolean stored in the driver struct is removed and throttle_thermal_policy_dev is used in place (as on init it is zeroed). Co-developed-by: Luke D. Jones <luke@ljones.dev> Signed-off-by: Luke D. Jones <luke@ljones.dev> Signed-off-by: Mohamed Ghanmi <mohamed.ghanmi@supcom.tn> Reviewed-by: Luke D. Jones <luke@ljones.dev> Link: https://lore.kernel.org/r/20240609144849.2532-2-mohamed.ghanmi@supcom.tnReviewed-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Hans de Goede <hdegoede@redhat.com>
-
- 31 Jul, 2024 2 commits
-
-
Kuppuswamy Sathyanarayanan authored
If the IFS scan test exits prematurely due to a timeout before completing a single run, the union ifs_status remains uninitialized, leading to incorrect test status reporting. To prevent this, always initialize the union ifs_status to zero. Fixes: 2b40e654 ("platform/x86/intel/ifs: Add scan test support") Suggested-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com> Reviewed-by: Jithu Joseph <jithu.joseph@intel.com> Reviewed-by: Ashok Raj <ashok.raj@intel.com> Signed-off-by: Kuppuswamy Sathyanarayanan <sathyanarayanan.kuppuswamy@linux.intel.com> Link: https://lore.kernel.org/r/20240730155930.1754744-1-sathyanarayanan.kuppuswamy@linux.intel.comReviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com> Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
-
Luis Felipe Hernandez authored
There were a few instances of typos that lead could to confusion when reading. The following words have been corrected: Binay -> Binary singe -> single chaged -> changed Signed-off-by: Luis Felipe Hernandez <luis.hernandez093@gmail.com> Reviewed-by: Armin Wolf <W_Armin@gmx.de> Acked-by: Randy Dunlap <rdunlap@infradead.org> Link: https://lore.kernel.org/r/20240731001602.259338-1-luis.hernandez093@gmail.comReviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com> Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
-
- 30 Jul, 2024 4 commits
-
-
Shyam Sundar S K authored
Add new ACPI ID AMDI0107 used by upcoming AMD platform to the PMF supported list of devices. Signed-off-by: Shyam Sundar S K <Shyam-sundar.S-k@amd.com> Link: https://lore.kernel.org/r/20240723132451.3488326-1-Shyam-sundar.S-k@amd.comReviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com> Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
-
Shyam Sundar S K authored
To initiate the HW deep state transition, the OS_HINT command has to be sent to the PMFW. Add this support to the platforms that belong to family 1Ah model 60h series. Signed-off-by: Shyam Sundar S K <Shyam-sundar.S-k@amd.com> Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com> Link: https://lore.kernel.org/r/20240718150119.3427190-1-Shyam-sundar.S-k@amd.comSigned-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
-
Luke D. Jones authored
The ASUS ROG Ally X has the same issue as the G14 where it advertises SPS support but doesn't use it. Signed-off-by: Luke D. Jones <luke@ljones.dev> Link: https://lore.kernel.org/r/20240729020831.28117-1-luke@ljones.devReviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com> Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
-
Hans de Goede authored
Since commit e2ffcda1 ("ACPI: OSL: Allow Notify () handlers to run on all CPUs") ACPI notify handlers like the intel-vbtn notify_handler() may run on multiple CPU cores racing with themselves. This race gets hit on Dell Venue 7140 tablets when undocking from the keyboard, causing the handler to try and register priv->switches_dev twice, as can be seen from the dev_info() message getting logged twice: [ 83.861800] intel-vbtn INT33D6:00: Registering Intel Virtual Switches input-dev after receiving a switch event [ 83.861858] input: Intel Virtual Switches as /devices/pci0000:00/0000:00:1f.0/PNP0C09:00/INT33D6:00/input/input17 [ 83.861865] intel-vbtn INT33D6:00: Registering Intel Virtual Switches input-dev after receiving a switch event After which things go seriously wrong: [ 83.861872] sysfs: cannot create duplicate filename '/devices/pci0000:00/0000:00:1f.0/PNP0C09:00/INT33D6:00/input/input17' ... [ 83.861967] kobject: kobject_add_internal failed for input17 with -EEXIST, don't try to register things with the same name in the same directory. [ 83.877338] BUG: kernel NULL pointer dereference, address: 0000000000000018 ... Protect intel-vbtn notify_handler() from racing with itself with a mutex to fix this. Fixes: e2ffcda1 ("ACPI: OSL: Allow Notify () handlers to run on all CPUs") Reported-by: En-Wei Wu <en-wei.wu@canonical.com> Closes: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/2073001Tested-by: Kostadin Stoilov <kmstoilov@gmail.com> Signed-off-by: Hans de Goede <hdegoede@redhat.com> Link: https://lore.kernel.org/r/20240729120443.14779-1-hdegoede@redhat.comReviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com> Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
-
- 28 Jul, 2024 7 commits
-
-
Linus Torvalds authored
-
Linus Torvalds authored
Merge tag 'kbuild-fixes-v6.11' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild Pull Kbuild fixes from Masahiro Yamada: - Fix RPM package build error caused by an incorrect locale setup - Mark modules.weakdep as ghost in RPM package - Fix the odd combination of -S and -c in stack protector scripts, which is an error with the latest Clang * tag 'kbuild-fixes-v6.11' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild: kbuild: Fix '-S -c' in x86 stack protector scripts kbuild: rpm-pkg: ghost modules.weakdep file kbuild: rpm-pkg: Fix C locale setup
-
Linus Torvalds authored
This simplifies the min_t() and max_t() macros by no longer making them work in the context of a C constant expression. That means that you can no longer use them for static initializers or for array sizes in type definitions, but there were only a couple of such uses, and all of them were converted (famous last words) to use MIN_T/MAX_T instead. Cc: David Laight <David.Laight@aculab.com> Cc: Lorenzo Stoakes <lorenzo.stoakes@oracle.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
-
Linus Torvalds authored
Commit 3a7e02c0 ("minmax: avoid overly complicated constant expressions in VM code") added the simpler MIN_T/MAX_T macros in order to avoid some excessive expansion from the rather complicated regular min/max macros. The complexity of those macros stems from two issues: (a) trying to use them in situations that require a C constant expression (in static initializers and for array sizes) (b) the type sanity checking and MIN_T/MAX_T avoids both of these issues. Now, in the whole (long) discussion about all this, it was pointed out that the whole type sanity checking is entirely unnecessary for min_t/max_t which get a fixed type that the comparison is done in. But that still leaves min_t/max_t unnecessarily complicated due to worries about the C constant expression case. However, it turns out that there really aren't very many cases that use min_t/max_t for this, and we can just force-convert those. This does exactly that. Which in turn will then allow for much simpler implementations of min_t()/max_t(). All the usual "macros in all upper case will evaluate the arguments multiple times" rules apply. We should do all the same things for the regular min/max() vs MIN/MAX() cases, but that has the added complexity of various drivers defining their own local versions of MIN/MAX, so that needs another level of fixes first. Link: https://lore.kernel.org/all/b47fad1d0cf8449886ad148f8c013dae@AcuMS.aculab.com/ Cc: David Laight <David.Laight@aculab.com> Cc: Lorenzo Stoakes <lorenzo.stoakes@oracle.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
-
Linus Torvalds authored
Merge tag 'ubifs-for-linus-6.11-rc1-take2' of git://git.kernel.org/pub/scm/linux/kernel/git/rw/ubifs Pull UBI and UBIFS updates from Richard Weinberger: - Many fixes for power-cut issues by Zhihao Cheng - Another ubiblock error path fix - ubiblock section mismatch fix - Misc fixes all over the place * tag 'ubifs-for-linus-6.11-rc1-take2' of git://git.kernel.org/pub/scm/linux/kernel/git/rw/ubifs: ubi: Fix ubi_init() ubiblock_exit() section mismatch ubifs: add check for crypto_shash_tfm_digest ubifs: Fix inconsistent inode size when powercut happens during appendant writing ubi: block: fix null-pointer-dereference in ubiblock_create() ubifs: fix kernel-doc warnings ubifs: correct UBIFS_DFS_DIR_LEN macro definition and improve code clarity mtd: ubi: Restore missing cleanup on ubi_init() failure path ubifs: dbg_orphan_check: Fix missed key type checking ubifs: Fix unattached inode when powercut happens in creating ubifs: Fix space leak when powercut happens in linking tmpfile ubifs: Move ui->data initialization after initializing security ubifs: Fix adding orphan entry twice for the same inode ubifs: Remove insert_dead_orphan from replaying orphan process Revert "ubifs: ubifs_symlink: Fix memleak of inode->i_link in error path" ubifs: Don't add xattr inode into orphan area ubifs: Fix unattached xattr inode if powercut happens after deleting mtd: ubi: avoid expensive do_div() on 32-bit machines mtd: ubi: make ubi_class constant ubi: eba: properly rollback inside self_check_eba
-
Nathan Chancellor authored
After a recent change in clang to stop consuming all instances of '-S' and '-c' [1], the stack protector scripts break due to the kernel's use of -Werror=unused-command-line-argument to catch cases where flags are not being properly consumed by the compiler driver: $ echo | clang -o - -x c - -S -c -Werror=unused-command-line-argument clang: error: argument unused during compilation: '-c' [-Werror,-Wunused-command-line-argument] This results in CONFIG_STACKPROTECTOR getting disabled because CONFIG_CC_HAS_SANE_STACKPROTECTOR is no longer set. '-c' and '-S' both instruct the compiler to stop at different stages of the pipeline ('-S' after compiling, '-c' after assembling), so having them present together in the same command makes little sense. In this case, the test wants to stop before assembling because it is looking at the textual assembly output of the compiler for either '%fs' or '%gs', so remove '-c' from the list of arguments to resolve the error. All versions of GCC continue to work after this change, along with versions of clang that do or do not contain the change mentioned above. Cc: stable@vger.kernel.org Fixes: 4f7fd4d7 ("[PATCH] Add the -fstack-protector option to the CFLAGS") Fixes: 60a5317f ("x86: implement x86_32 stack protector") Link: https://github.com/llvm/llvm-project/commit/6461e537815f7fa68cef06842505353cf5600e9c [1] Signed-off-by: Nathan Chancellor <nathan@kernel.org> Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
-
Richard Weinberger authored
Since ubiblock_exit() is now called from an init function, the __exit section no longer makes sense. Cc: Ben Hutchings <bwh@kernel.org> Reported-by: kernel test robot <lkp@intel.com> Closes: https://lore.kernel.org/oe-kbuild-all/202407131403.wZJpd8n2-lkp@intel.com/Signed-off-by: Richard Weinberger <richard@nod.at> Reviewed-by: Zhihao Cheng <chengzhihao1@huawei.com>
-