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2025-04-15drm/display: hdmi: provide central data authority for ACR paramsDmitry Baryshkov
HDMI standard defines recommended N and CTS values for Audio Clock Regeneration. Currently each driver implements those, frequently in somewhat unique way. Provide a generic helper for getting those values to be used by the HDMI drivers. The helper is added to drm_hdmi_helper.c rather than drm_hdmi_audio.c since HDMI drivers can be using this helper function even without switching to DRM HDMI Audio helpers. Note: currently this only handles the values per HDMI 1.4b Section 7.2 and HDMI 2.0 Section 9.2.1. Later the table can be expanded to accommodate for Deep Color TMDS char rates per HDMI 1.4 Appendix D and/or HDMI 2.0 / 2.1 Appendix C). Reviewed-by: Maxime Ripard <mripard@kernel.org> Link: https://lore.kernel.org/r/20250408-drm-hdmi-acr-v2-1-dee7298ab1af@oss.qualcomm.com Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
2025-04-15fs: add kern_path_locked_negative()Christian Brauner
The audit code relies on the fact that kern_path_locked() returned a path even for a negative dentry. If it doesn't find a valid dentry it immediately calls: audit_find_parent(d_backing_inode(parent_path.dentry)); which assumes that parent_path.dentry is still valid. But it isn't since kern_path_locked() has been changed to path_put() also for a negative dentry. Fix this by adding a helper that implements the required audit semantics and allows us to fix the immediate bleeding. We can find a unified solution for this afterwards. Link: https://lore.kernel.org/20250414-rennt-wimmeln-f186c3a780f1@brauner Fixes: 1c3cb50b58c3 ("VFS: change kern_path_locked() and user_path_locked_at() to never return negative dentry") Reported-and-tested-by: Vlastimil Babka <vbabka@suse.cz> Signed-off-by: Christian Brauner <brauner@kernel.org>
2025-04-15PCI/MSI: Add an option to write MSIX ENTRY_DATA before any readsJonathan Currier
Commit 7d5ec3d36123 ("PCI/MSI: Mask all unused MSI-X entries") introduced a readl() from ENTRY_VECTOR_CTRL before the writel() to ENTRY_DATA. This is correct, however some hardware, like the Sun Neptune chips, the NIU module, will cause an error and/or fatal trap if any MSIX table entry is read before the corresponding ENTRY_DATA field is written to. Add an optional early writel() in msix_prepare_msi_desc(). Fixes: 7d5ec3d36123 ("PCI/MSI: Mask all unused MSI-X entries") Signed-off-by: Jonathan Currier <dullfire@yahoo.com> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: stable@vger.kernel.org Link: https://lore.kernel.org/all/20241117234843.19236-2-dullfire@yahoo.com
2025-04-15Merge tag 'drm-intel-next-2025-04-11' of ↵Dave Airlie
https://gitlab.freedesktop.org/drm/i915/kernel into drm-next Cross-subsystem Changes: - Update GVT MAINTAINERS (Jani) Driver Changes: - Updates for xe3lpd display (Gustavo) - Fix link training interrupted by HPD pulse (Imre) - Watermark bound checks for DSC (Ankit) - VRR Refactor and other fixes and improvements (Ankit) - More conversions towards intel_display struct (Gustavo, Jani) - Other clean-up patches towards a display separation (Jani) - Maintain asciibetical order for HAS_* macros (Ankit) - Fixes around probe/initialization (Janusz) - Fix build and doc build issue (Yue, Rodrigo) - DSI related fixes (Suraj, William, Jani) - Improve DC6 entry counter (Mohammed) - Fix xe2hpd memory type identification (Vivek) - PSR related fixes and improvements (Animesh, Jouni) - DP MST related fixes and improvements (Imre) - Fix scanline_offset for LNL+/BMG+ (Ville) - Some gvt related fixes and changes (Ville, Jani) - Some PLL code adjustment (Ville) - Display wa addition (Vinod) - DRAM type logging (Lucas) - Pimp the initial FB readout (Ville) - Some sagv/bw cleanup (Ville) - Remove i915_display_capabilities debugfs entry (Jani) - Move PCH type to display caps debugfs entry (Jani) Signed-off-by: Dave Airlie <airlied@redhat.com> From: Rodrigo Vivi <rodrigo.vivi@intel.com> Link: https://lore.kernel.org/r/Z_kTqPX5Mjruq1pL@intel.com
2025-04-14Merge tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdmaLinus Torvalds
Pull rdma fixes from Jason Gunthorpe: - Fix hang in bnxt_re due to miscomputing the budget - Avoid a -Wformat-security message in dev_set_name() - Avoid an unused definition warning in fs.c with some kconfigs - Fix error handling in usnic and remove IS_ERR_OR_NULL() usage - Regression in RXE support foudn by blktests due to missing ODP exclusions - Set the dma_segment_size on HNS so it doesn't corrupt DMA when using very large IOs - Move a INIT_WORK to near when the work is allocated in cm.c to fix a racey crash where work in progress was being init'd - Use __GFP_NOWARN to not dump in kvcalloc() if userspace requests a very big MR * tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma: RDMA/bnxt_re: Remove unusable nq variable RDMA/core: Silence oversized kvmalloc() warning RDMA/cma: Fix workqueue crash in cma_netevent_work_handler RDMA/hns: Fix wrong maximum DMA segment size RDMA/rxe: Fix null pointer dereference in ODP MR check RDMA/mlx5: Fix compilation warning when USER_ACCESS isn't set RDMA/usnic: Fix passing zero to PTR_ERR in usnic_ib_pci_probe() RDMA/ucaps: Avoid format-security warning RDMA/bnxt_re: Fix budget handling of notification queue
2025-04-14Merge tag 'vfs-6.15-rc3.fixes' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs Pull vfs fixes from Christian Brauner: - Fix NULL pointer dereference in virtiofs - Fix slab OOB access in hfs/hfsplus - Only create /proc/fs/netfs when CONFIG_PROC_FS is set - Fix getname_flags() to initialize pointer correctly - Convert dentry flags to enum - Don't allow datadir without lowerdir in overlayfs - Use namespace_{lock,unlock} helpers in dissolve_on_fput() instead of plain namespace_sem so unmounted mounts are properly cleaned up - Skip unnecessary ifs_block_is_uptodate check in iomap - Remove an unused forward declaration in overlayfs - Fix devpts uid/gid handling after converting to the new mount api - Fix afs_dynroot_readdir() to not use the RCU read lock - Fix mount_setattr() and open_tree_attr() to not pointlessly do path lookup or walk the mount tree if no mount option change has been requested * tag 'vfs-6.15-rc3.fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs: fs: use namespace_{lock,unlock} in dissolve_on_fput() iomap: skip unnecessary ifs_block_is_uptodate check fs: Fix filename init after recent refactoring netfs: Only create /proc/fs/netfs with CONFIG_PROC_FS mount: ensure we don't pointlessly walk the mount tree dcache: convert dentry flag macros to enum afs: Fix afs_dynroot_readdir() to not use the RCU read lock hfs/hfsplus: fix slab-out-of-bounds in hfs_bnode_read_key virtiofs: add filesystem context source name check devpts: Fix type for uid and gid params ovl: remove unused forward declaration ovl: don't allow datadir only
2025-04-14vhost: fix VHOST_*_OWNER documentationStefano Garzarella
VHOST_OWNER_SET and VHOST_OWNER_RESET are used in the documentation instead of VHOST_SET_OWNER and VHOST_RESET_OWNER respectively. To avoid confusion, let's use the right names in the documentation. No change to the API, only the documentation is involved. Signed-off-by: Stefano Garzarella <sgarzare@redhat.com> Message-Id: <20250303085237.19990-1-sgarzare@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2025-04-14virtio_pci: Use self group type for cap commandsDaniel Jurgens
Section 2.12.1.2 of v1.4 of the VirtIO spec states: The device and driver capabilities commands are currently defined for self group type. 1. VIRTIO_ADMIN_CMD_CAP_ID_LIST_QUERY 2. VIRTIO_ADMIN_CMD_DEVICE_CAP_GET 3. VIRTIO_ADMIN_CMD_DRIVER_CAP_SET Fixes: bfcad518605d ("virtio: Manage device and driver capabilities via the admin commands") Signed-off-by: Daniel Jurgens <danielj@nvidia.com> Reviewed-by: Parav Pandit <parav@nvidia.com> Message-Id: <20250304161442.90700-1-danielj@nvidia.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2025-04-14Fix up building KUnit tests for Cirrus Logic modulesMark Brown
Merge series from Richard Fitzgerald <rf@opensource.cirrus.com>: This series fixes the KConfig for cs_dsp and cs-amp-lib tests so that CONFIG_KUNIT_ALL_TESTS doesn't cause them to add modules to the build.
2025-04-14Merge tag 'drm-misc-next-2025-04-09' of ↵Dave Airlie
https://gitlab.freedesktop.org/drm/misc/kernel into drm-next drm-misc-next for v6.16-rc1: UAPI Changes: - Add ASAHI uapi header! - Add apple fourcc modifiers. - Add capset virtio definitions to UAPI. - Extend EXPORT_SYNC_FILE for timeline syncobjs. Cross-subsystem Changes: - Adjust DMA-BUF sg handling to not cache map on attach. - Update drm/ci, hlcdc, virtio, maintainers. - Update fbdev todo. - Allow setting dma-device for dma-buf import. - Export efi_mem_desc_lookup to make efidrm build as a module. Core Changes: - Update drm scheduler docs. - Use the correct resv object in TTM delayed destroy. - Fix compiler warning with panic qr code, and other small fixes. - drm/ci updates. - Add debugfs file for listing all bridges. - Small fixes to drm/client, ttm tests. - Add documentation to display/hdmi. - Add kunit tests for bridges. - Dont fail managed device probing if connector polling fails. - Create Kconfig.debug for drm core. - Add tests for the drm scheduler. - Add and use new access helpers for DPCPD. - Add generic and optimized conversions for format-helper. - Begin refcounting panel for improving lifetime handling. - Unify simpledrm and ofdrm sysfb, and add extra features. - Split hdmi audio in bridge to make DP audio work. Driver Changes: - Convert drivers to use devm_platform_ioremap_resource(). - Assorted small fixes to imx/legacy-bridg, gma500, pl111, nouveau, vc4, vmwgfx, ast, mxsfb, xlnx, accel/qaic, v3d, bridge/imx8qxp-ldb, ofdrm, bridge/fsl-ldb, udl, bridge/ti-sn65dsi86, bridge/anx7625, cirrus-qemu, bridge/cdns-dsi, panel/sharp, panel/himax, bridge/sil902x, renesas, imagination, various panels. - Allow attaching more display to vkms. - Add Powertip PH128800T004-ZZA01 panel. - Add rotation quirk for ZOTAC panel. - Convert bridge/tc358775 to atomic. - Remove deprecated panel calls from synaptics, novatek, samsung panels. - Refactor shmem helper page pinning and accel drivers using it. - Add dmabuf support to accel/amdxdna. - Use 4k page table format for panfrost/mediatek. - Add common powerup/down dp link helper and use it. - Assorted compiler warning fixes. - Support dma-buf import for renesas Signed-off-by: Dave Airlie <airlied@redhat.com> # Conflicts: # include/drm/drm_kunit_helpers.h From: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Link: https://lore.kernel.org/r/e147ff95-697b-4067-9e2e-7cbd424e162a@linux.intel.com
2025-04-13nfs: add missing selections of CONFIG_CRC32Eric Biggers
nfs.ko, nfsd.ko, and lockd.ko all use crc32_le(), which is available only when CONFIG_CRC32 is enabled. But the only NFS kconfig option that selected CONFIG_CRC32 was CONFIG_NFS_DEBUG, which is client-specific and did not actually guard the use of crc32_le() even on the client. The code worked around this bug by only actually calling crc32_le() when CONFIG_CRC32 is built-in, instead hard-coding '0' in other cases. This avoided randconfig build errors, and in real kernels the fallback code was unlikely to be reached since CONFIG_CRC32 is 'default y'. But, this really needs to just be done properly, especially now that I'm planning to update CONFIG_CRC32 to not be 'default y'. Therefore, make CONFIG_NFS_FS, CONFIG_NFSD, and CONFIG_LOCKD select CONFIG_CRC32. Then remove the fallback code that becomes unnecessary, as well as the selection of CONFIG_CRC32 from CONFIG_NFS_DEBUG. Fixes: 1264a2f053a3 ("NFS: refactor code for calculating the crc32 hash of a filehandle") Signed-off-by: Eric Biggers <ebiggers@google.com> Acked-by: Anna Schumaker <anna.schumaker@oracle.com> Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
2025-04-11scsi: ufs: Introduce quirk to extend PA_HIBERN8TIME for UFS devicesManish Pandey
Samsung UFS devices require additional time in hibern8 mode before exiting, beyond the negotiated handshaking phase between the host and device. Introduce a quirk to increase the PA_HIBERN8TIME parameter by 100 µs, a value derived from experiments, to ensure a proper hibernation process. Signed-off-by: Manish Pandey <quic_mapa@quicinc.com> Link: https://lore.kernel.org/r/20250411121630.21330-3-quic_mapa@quicinc.com Reviewed-by: Bean Huo <beanhuo@micron.com> Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2025-04-12crypto: ahash - Disable request chainingHerbert Xu
Disable hash request chaining in case a driver that copies an ahash_request object by hand accidentally triggers chaining. Reported-by: Manorit Chawdhry <m-chawdhry@ti.com> Fixes: f2ffe5a9183d ("crypto: hash - Add request chaining API") Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Tested-by: Manorit Chawdhry <m-chawdhry@ti.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2025-04-11mm: (un)track_pfn_copy() fix + doc improvementsDavid Hildenbrand
We got a late smatch warning and some additional review feedback. smatch warnings: mm/memory.c:1428 copy_page_range() error: uninitialized symbol 'pfn'. We actually use the pfn only when it is properly initialized; however, we may pass an uninitialized value to a function -- although it will not use it that likely still is UB in C. So let's just fix it by always initializing pfn in the caller of track_pfn_copy(), and improving the documentation of track_pfn_copy(). While at it, clarify the doc of untrack_pfn_copy(), that internal checks make sure if we actually have to untrack anything. Link: https://lkml.kernel.org/r/20250408085950.976103-1-david@redhat.com Fixes: dc84bc2aba85 ("x86/mm/pat: Fix VM_PAT handling when fork() fails in copy_page_range()") Signed-off-by: David Hildenbrand <david@redhat.com> Reported-by: kernel test robot <lkp@intel.com> Reported-by: Dan Carpenter <error27@gmail.com> Closes: https://lore.kernel.org/r/202503270941.IFILyNCX-lkp@intel.com/ Reviewed-by: Lorenzo Stoakes <lorenzo.stoakes@oracle.com> Acked-by: Ingo Molnar <mingo@kernel.org> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Dave Hansen <dave.hansen@linux.intel.com> Cc: Andy Lutomirski <luto@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Borislav Petkov <bp@alien8.de> Cc: Rik van Riel <riel@surriel.com> Cc: "H. Peter Anvin" <hpa@zytor.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2025-04-11locking/local_lock, mm: replace localtry_ helpers with local_trylock_t typeAlexei Starovoitov
Partially revert commit 0aaddfb06882 ("locking/local_lock: Introduce localtry_lock_t"). Remove localtry_*() helpers, since localtry_lock() name might be misinterpreted as "try lock". Introduce local_trylock[_irqsave]() helpers that only work with newly introduced local_trylock_t type. Note that attempt to use local_trylock[_irqsave]() with local_lock_t will cause compilation failure. Usage and behavior in !PREEMPT_RT: local_lock_t lock; // sizeof(lock) == 0 local_lock(&lock); // preempt disable local_lock_irqsave(&lock, ...); // irq save if (local_trylock_irqsave(&lock, ...)) // compilation error local_trylock_t lock; // sizeof(lock) == 4 local_lock(&lock); // preempt disable, acquired = 1 local_lock_irqsave(&lock, ...); // irq save, acquired = 1 if (local_trylock(&lock)) // if (!acquired) preempt disable, acquired = 1 if (local_trylock_irqsave(&lock, ...)) // if (!acquired) irq save, acquired = 1 The existing local_lock_*() macros can be used either with local_lock_t or local_trylock_t. With local_trylock_t they set acquired = 1 while local_unlock_*() clears it. In !PREEMPT_RT local_lock_irqsave(local_lock_t *) disables interrupts to protect critical section, but it doesn't prevent NMI, so the fully reentrant code cannot use local_lock_irqsave(local_lock_t *) for exclusive access. The local_lock_irqsave(local_trylock_t *) helper disables interrupts and sets acquired=1, so local_trylock_irqsave(local_trylock_t *) from NMI attempting to acquire the same lock will return false. In PREEMPT_RT local_lock_irqsave() maps to preemptible spin_lock(). Map local_trylock_irqsave() to preemptible spin_trylock(). When in hard IRQ or NMI return false right away, since spin_trylock() is not safe due to explicit locking in the underneath rt_spin_trylock() implementation. Removing this explicit locking and attempting only "trylock" is undesired due to PI implications. The local_trylock() without _irqsave can be used to avoid the cost of disabling/enabling interrupts by only disabling preemption, so local_trylock() in an interrupt attempting to acquire the same lock will return false. Note there is no need to use local_inc for acquired variable, since it's a percpu variable with strict nesting scopes. Note that guard(local_lock)(&lock) works only for "local_lock_t lock". The patch also makes sure that local_lock_release(l) is called before WRITE_ONCE(l->acquired, 0). Though IRQs are disabled at this point the local_trylock() from NMI will succeed and local_lock_acquire(l) will warn. Link: https://lkml.kernel.org/r/20250403025514.41186-1-alexei.starovoitov@gmail.com Fixes: 0aaddfb06882 ("locking/local_lock: Introduce localtry_lock_t") Signed-off-by: Alexei Starovoitov <ast@kernel.org> Acked-by: Vlastimil Babka <vbabka@suse.cz> Acked-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de> Reviewed-by: Shakeel Butt <shakeel.butt@linux.dev> Cc: Daniel Borkman <daniel@iogearbox.net> Cc: Linus Torvalds <torvalds@linuxfoundation.org> Cc: Martin KaFai Lau <martin.lau@kernel.org> Cc: Michal Hocko <mhocko@suse.com> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Steven Rostedt <rostedt@goodmis.org> Cc: Vlastimil Babka <vbabka@suse.cz> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2025-04-11fwctl/cxl: Fix uuid_t usage in uapiDan Williams
The uuid_t type is kernel internal, and Paul reports the following build error when it is used in a uapi header: usr/include/cxl/features.h:59:9: error: unknown type name ‘uuid_t’ Create a uuid type (__uapi_uuid_t) compatible with the longstanding definition uuid/uuid.h for userspace builds, and use uuid_t directly for kernel builds. Fixes: 9b8e73cdb141 ("cxl: Move cxl feature command structs to user header") Link: https://patch.msgid.link/r/174430961702.617339.13963021112051029933.stgit@dwillia2-xfh.jf.intel.com Suggested-by: Jason Gunthorpe <jgg@nvidia.com> Reported-by: Paul E. McKenney <paulmck@kernel.org> Closes: http://lore.kernel.org/f6489337-67c7-48c8-b48a-58603ec15328@paulmck-laptop Reported-by: kernel test robot <lkp@intel.com> Closes: https://lore.kernel.org/oe-kbuild-all/202504050434.Eb4vugh5-lkp@intel.com/ Signed-off-by: Dan Williams <dan.j.williams@intel.com> Reviewed-by: Dave Jiang <dave.jiang@intel.com> Tested-by: Paul E. McKenney <paulmck@kernel.org> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
2025-04-11drm/amdkfd: add smi events for process start and endEric Huang
rocm-smi will be able to show the events for KFD process start/end, it is the implementation of this feature. Signed-off-by: Eric Huang <jinhuieric.huang@amd.com> Reviewed-by: Kent Russell <kent.russell@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2025-04-11drm/dp: Add smooth brightness register bit definitionSuraj Kandpal
Add DP_EDP_SMOOTH_BRIGHTNESS register bit definition for EDP_GENERAL_CAPABILITY 2 register. --v2 -Add eDP 2.0 comment [Ankit] Signed-off-by: Suraj Kandpal <suraj.kandpal@intel.com> Reviewed-by: Arun R Murthy <arun.r.murthy@intel.com> Link: https://lore.kernel.org/r/20250411060235.2732060-2-suraj.kandpal@intel.com
2025-04-11dcache: convert dentry flag macros to enumOmar Sandoval
Commit 9748cb2dc393 ("VFS: repack DENTRY_ flags.") changed the value of DCACHE_MOUNTED, which broke drgn's path_lookup() helper. drgn is forced to hard-code it because it's a macro, and macros aren't preserved in debugging information by default. Enums, on the other hand, are included in debugging information. Convert the DCACHE_* flag macros to an enum so that debugging tools like drgn and bpftrace can make use of them. Link: https://github.com/osandov/drgn/blob/2027d0fea84d74b835e77392f7040c2a333180c6/drgn/helpers/linux/fs.py#L43-L46 Signed-off-by: Omar Sandoval <osandov@fb.com> Link: https://lore.kernel.org/177665a082f048cf536b9cd6af467b3be6b6e6ed.1744141838.git.osandov@fb.com Signed-off-by: Christian Brauner <brauner@kernel.org>
2025-04-11accel/ivpu: Fix the NPU's DPU frequency calculationAndrzej Kacprowski
Fix the frequency returned to the user space by the DRM_IVPU_PARAM_CORE_CLOCK_RATE GET_PARAM IOCTL. The kernel driver returned CPU frequency for MTL and bare PLL frequency for LNL - this was inconsistent and incorrect for both platforms. With this fix the driver returns maximum frequency of the NPU data processing unit (DPU) for all HW generations. This is what user space always expected. Also do not set CPU frequency in boot params - the firmware does not use frequency passed from the driver, it was only used by the early pre-production firmware. With that we can remove CPU frequency calculation code. Show NPU frequency in FREQ_CHANGE interrupt when frequency tracking is enabled. Fixes: 8a27ad81f7d3 ("accel/ivpu: Split IP and buttress code") Cc: stable@vger.kernel.org # v6.11+ Signed-off-by: Andrzej Kacprowski <Andrzej.Kacprowski@intel.com> Signed-off-by: Maciej Falkowski <maciej.falkowski@linux.intel.com> Reviewed-by: Jeff Hugo <jeff.hugo@oss.qualcomm.com> Signed-off-by: Jacek Lawrynowicz <jacek.lawrynowicz@linux.intel.com> Link: https://lore.kernel.org/r/20250401155912.4049340-2-maciej.falkowski@linux.intel.com
2025-04-10Merge tag 'drm-fixes-2025-04-11-1' of https://gitlab.freedesktop.org/drm/kernelLinus Torvalds
Pull drm fixes from Dave Airlie: "Weekly fixes, as expected it has a bit more in it than probably usual for rc2. amdgpu/xe/i915 lead the way with fixes all over for a bunch of other drivers. Nothing major stands out from what I can see. tests: - Clean up struct drm_display_mode in various places i915: - Fix scanline offset for LNL+ and BMG+ - Fix GVT unterminated-string-initialization build warning - Fix DP rate limit when sink doesn't support TPS4 - Handle GDDR + ECC memory type detection - Fix VRR parameter change check - Fix fence not released on early probe errors - Disable render power gating during live selftests xe: - Add another BMG PCI ID - Fix UAFs on migration paths - Fix shift-out-of-bounds access on TLB invalidation - Ensure ccs_mode is correctly set on gt reset - Extend some HW workarounds to Xe3 - Fix PM runtime get/put on sysfs files - Fix u64 division on 32b - Fix flickering due to missing L3 invalidations - Fix missing error code return amdgpu: - MES FW version caching fixes - Only use GTT as a fallback if we already have a backing store - dma_buf fix - IP discovery fix - Replay and PSR with VRR fix - DC FP fixes - eDP fixes - KIQ TLB invalidate fix - Enable dmem groups support - Allow pinning VRAM dma bufs if imports can do P2P - Workload profile fixes - Prevent possible division by 0 in fan handling amdkfd: - Queue reset fixes imagination: - Fix overflow - Fix use-after-free ivpu: - Fix suspend/resume nouveau: - Do not deref dangling pointer rockchip: - Set DP/HDMI registers correctly udmabuf: - Fix overflow virtgpu: - Set reservation lock on dma-buf import - Fix error handling in prepare_fb" * tag 'drm-fixes-2025-04-11-1' of https://gitlab.freedesktop.org/drm/kernel: (58 commits) drm/rockchip: dw_hdmi_qp: Fix io init for dw_hdmi_qp_rockchip_resume drm/rockchip: vop2: Fix interface enable/mux setting of DP1 on rk3588 drm/amdgpu/mes12: optimize MES pipe FW version fetching drm/amd/pm/smu11: Prevent division by zero drm/amdgpu: cancel gfx idle work in device suspend for s0ix drm/amd/display: pause the workload setting in dm drm/amdgpu/pm/swsmu: implement pause workload profile drm/amdgpu/pm: add workload profile pause helper drm/i915/huc: Fix fence not released on early probe errors drm/i915/vrr: Add vrr.vsync_{start, end} in vrr_params_changed drm/tests: probe-helper: Fix drm_display_mode memory leak drm/tests: modes: Fix drm_display_mode memory leak drm/tests: modes: Fix drm_display_mode memory leak drm/tests: cmdline: Fix drm_display_mode memory leak drm/tests: modeset: Fix drm_display_mode memory leak drm/tests: modeset: Fix drm_display_mode memory leak drm/tests: helpers: Create kunit helper to destroy a drm_display_mode drm/xe: Restore EIO errno return when GuC PC start fails drm/xe: Invalidate L3 read-only cachelines for geometry streams too drm/xe: avoid plain 64-bit division ...
2025-04-11Merge tag 'drm-xe-fixes-2025-04-10' of ↵Dave Airlie
https://gitlab.freedesktop.org/drm/xe/kernel into drm-fixes Driver Changes: - Add another BMG PCI ID - Fix UAFs on migration paths - Fix shift-out-of-bounds access on TLB invalidation - Ensure ccs_mode is correctly set on gt reset - Extend some HW workarounds to Xe3 - Fix PM runtime get/put on sysfs files - Fix u64 division on 32b - Fix flickering due to missing L3 invalidations - Fix missing error code return Signed-off-by: Dave Airlie <airlied@redhat.com> From: Lucas De Marchi <lucas.demarchi@intel.com> Link: https://lore.kernel.org/r/unq5j26aejbrjz5nuvmdtcgupyix5bacpoahod4bdohlvwrney@kekimsi5ossx
2025-04-10Merge tag 'irq-urgent-2025-04-10' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull misc irqchip fixes from Ingo Molnar: - Fix NULL pointer dereference crashes due to missing .chip_flags setup in the sg2042-msi and irq-bcm2712-mip irqchip drivers - Remove the davinci aintc irqchip driver's leftover header too * tag 'irq-urgent-2025-04-10' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: irqchip/irq-bcm2712-mip: Set EOI/ACK flags in msi_parent_ops irqchip/sg2042-msi: Add missing chip flags irqchip/davinci: Remove leftover header
2025-04-10Merge tag 'timers-urgent-2025-04-10' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull misc timer fixes from Ingo Molnar: - Fix missing ACCESS_PRIVATE() that triggered a Sparse warning - Fix lockdep false positive in tick_freeze() on CONFIG_PREEMPT_RT=y - Avoid <vdso/unaligned.h> macro's variable shadowing to address build warning that triggers under W=2 builds * tag 'timers-urgent-2025-04-10' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: vdso: Address variable shadowing in macros timekeeping: Add a lockdep override in tick_freeze() hrtimer: Add missing ACCESS_PRIVATE() for hrtimer::function
2025-04-10Merge tag 'perf-urgent-2025-04-10' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull misc perf events fixes from Ingo Molnar: - Fix __free_event() corner case splat - Fix false-positive uprobes related lockdep splat on CONFIG_PREEMPT_RT=y kernels - Fix a complicated perf sigtrap race that may result in hangs * tag 'perf-urgent-2025-04-10' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: perf: Fix hang while freeing sigtrap event uprobes: Avoid false-positive lockdep splat on CONFIG_PREEMPT_RT=y in the ri_timer() uprobe timer callback, use raw_write_seqcount_*() perf/core: Fix WARN_ON(!ctx) in __free_event() for partial init
2025-04-10Merge tag 'net-6.15-rc2' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net Pull networking fixes from Paolo Abeni: "Including fixes from netfilter. Current release - regressions: - core: hold instance lock during NETDEV_CHANGE - rtnetlink: fix bad unlock balance in do_setlink() - ipv6: - fix null-ptr-deref in addrconf_add_ifaddr() - align behavior across nexthops during path selection Previous releases - regressions: - sctp: prevent transport UaF in sendmsg - mptcp: only inc MPJoinAckHMacFailure for HMAC failures Previous releases - always broken: - sched: - make ->qlen_notify() idempotent - ensure sufficient space when sending filter netlink notifications - sch_sfq: really don't allow 1 packet limit - netfilter: fix incorrect avx2 match of 5th field octet - tls: explicitly disallow disconnect - eth: octeontx2-pf: fix VF root node parent queue priority" * tag 'net-6.15-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (38 commits) ethtool: cmis_cdb: Fix incorrect read / write length extension selftests: netfilter: add test case for recent mismatch bug nft_set_pipapo: fix incorrect avx2 match of 5th field octet net: ppp: Add bound checking for skb data on ppp_sync_txmung net: Fix null-ptr-deref by sock_lock_init_class_and_name() and rmmod. ipv6: Align behavior across nexthops during path selection net: phy: allow MDIO bus PM ops to start/stop state machine for phylink-controlled PHY net: phy: move phy_link_change() prior to mdio_bus_phy_may_suspend() selftests/tc-testing: sfq: check that a derived limit of 1 is rejected net_sched: sch_sfq: move the limit validation net_sched: sch_sfq: use a temporary work area for validating configuration net: libwx: handle page_pool_dev_alloc_pages error selftests: mptcp: validate MPJoin HMacFailure counters mptcp: only inc MPJoinAckHMacFailure for HMAC failures rtnetlink: Fix bad unlock balance in do_setlink(). net: ethtool: Don't call .cleanup_data when prepare_data fails tc: Ensure we have enough buffer space when sending filter netlink notifications net: libwx: Fix the wrong Rx descriptor field octeontx2-pf: qos: fix VF root node parent queue index selftests: tls: check that disconnect does nothing ...
2025-04-10Merge tag 'gpio-fixes-for-v6.15-rc2' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux Pull gpio fixes from Bartosz Golaszewski: - fix resource handling in gpio-tegra186 - fix wakeup source leaks in gpio-mpc8xxx and gpio-zynq - fix minor issues with some GPIO OF quirks - deprecate GPIOD_FLAGS_BIT_NONEXCLUSIVE and devm_gpiod_unhinge() symbols and add a TODO task to track replacing them with a better solution * tag 'gpio-fixes-for-v6.15-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux: gpiolib: of: Move Atmel HSMCI quirk up out of the regulator comment gpiolib: of: Fix the choice for Ingenic NAND quirk gpio: zynq: Fix wakeup source leaks on device unbind gpio: mpc8xxx: Fix wakeup source leaks on device unbind gpio: TODO: track the removal of regulator-related workarounds MAINTAINERS: add more keywords for the GPIO subsystem entry gpio: deprecate devm_gpiod_unhinge() gpio: deprecate the GPIOD_FLAGS_BIT_NONEXCLUSIVE flag gpio: tegra186: fix resource handling in ACPI probe path
2025-04-10Merge tag 'mtd/fixes-for-6.15-rc2' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux Pull mtd fixes from Miquel Raynal: "Two important fixes: the build of the SPI NAND layer with old GCC versions as well as the fix of the Qpic Makefile which was wrong in the first place. There are also two smaller fixes about a missing error and status check" * tag 'mtd/fixes-for-6.15-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux: mtd: spinand: Fix build with gcc < 7.5 mtd: rawnand: Add status chack in r852_ready() mtd: inftlcore: Add error check for inftl_read_oob() mtd: nand: Drop explicit test for built-in CONFIG_SPI_QPIC_SNAND
2025-04-10firmware: cs_dsp: test_bin_error: Fix uninitialized data used as fw versionRichard Fitzgerald
Call cs_dsp_mock_xm_header_get_fw_version() to get the firmware version from the dummy XM header data in cs_dsp_bin_err_test_common_init(). Make the same change to cs_dsp_bin_test_common_init() and remove the cs_dsp_mock_xm_header_get_fw_version_from_regmap() function. The code in cs_dsp_test_bin.c was correctly calling cs_dsp_mock_xm_header_get_fw_version_from_regmap() to fetch the fw version from a dummy header it wrote to XM registers. However in cs_dsp_test_bin_error.c the test doesn't stuff a dummy header into XM, it populates it the normal way using a wmfw file. It should have called cs_dsp_mock_xm_header_get_fw_version() to get the data from its blob buffer, but was calling cs_dsp_mock_xm_header_get_fw_version_from_regmap(). As nothing had been written to the registers this returned the value of uninitialized data. The only other use of cs_dsp_mock_xm_header_get_fw_version_from_regmap() was cs_dsp_test_bin.c, but it doesn't need to use it. It already has a blob buffer containing the dummy XM header so it can use cs_dsp_mock_xm_header_get_fw_version() to read from that. Fixes: cd8c058499b6 ("firmware: cs_dsp: Add KUnit testing of bin error cases") Signed-off-by: Richard Fitzgerald <rf@opensource.cirrus.com> Link: https://patch.msgid.link/20250410132129.1312541-1-rf@opensource.cirrus.com Signed-off-by: Mark Brown <broonie@kernel.org>
2025-04-10vdso: Address variable shadowing in macrosPeng Jiang
Compiling the kernel with gcc12.3 W=2 results in shadowing warnings: warning: declaration of '__pptr' shadows a previous local [-Wshadow] const struct { type x; } __packed *__pptr = (typeof(__pptr))(ptr); note: in definition of macro '__put_unaligned_t' __pptr->x = (val); note: in expansion of macro '__get_unaligned_t' __put_unaligned_t(type, __get_unaligned_t(type, src), dst); __get_unaligned_t() and __put_unaligned_t() use a local variable named '__pptr', which can lead to variable shadowing when these macros are used in the same scope. This results in a -Wshadow warning during compilation. To address this issue, rename the local variables within the macros to ensure uniqueness. Signed-off-by: Peng Jiang <jiang.peng9@zte.com.cn> Signed-off-by: Shao Mingyin <shao.mingyin@zte.com.cn> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Link: https://lore.kernel.org/all/20250324191230477zpGtgIRSH4mEHdtxGtgx9@zte.com.cn
2025-04-10drm/panic: Add support to scanout buffer as array of pagesJocelyn Falempe
Some drivers like virtio-gpu, don't map the scanout buffer in the kernel. Calling vmap() in a panic handler is not safe, and writing an atomic_vmap() API is more complex than expected [1]. So instead, pass the array of pages of the scanout buffer to the panic handler, and map only one page at a time to draw the pixels. This is obviously slow, but acceptable for a panic handler. [1] https://lore.kernel.org/dri-devel/20250305152555.318159-1-ryasuoka@redhat.com/ Acked-by: Thomas Zimmermann <tzimmermann@suse.de> Acked-by: Simona Vetter <simona@ffwll.ch> Signed-off-by: Jocelyn Falempe <jfalempe@redhat.com> Link: https://lore.kernel.org/r/20250407140138.162383-3-jfalempe@redhat.com
2025-04-10mm/kmap: Add kmap_local_page_try_from_panic()Jocelyn Falempe
kmap_local_page() can be unsafe to call from a panic handler, if CONFIG_HIGHMEM is set, and the page is in the highmem zone. So add kmap_local_page_try_from_panic() to handle this case. Suggested-by: Simona Vetter <simona.vetter@ffwll.ch> Reviewed-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Jocelyn Falempe <jfalempe@redhat.com> Link: https://lore.kernel.org/r/20250407140138.162383-2-jfalempe@redhat.com
2025-04-09net: Fix null-ptr-deref by sock_lock_init_class_and_name() and rmmod.Kuniyuki Iwashima
When I ran the repro [0] and waited a few seconds, I observed two LOCKDEP splats: a warning immediately followed by a null-ptr-deref. [1] Reproduction Steps: 1) Mount CIFS 2) Add an iptables rule to drop incoming FIN packets for CIFS 3) Unmount CIFS 4) Unload the CIFS module 5) Remove the iptables rule At step 3), the CIFS module calls sock_release() for the underlying TCP socket, and it returns quickly. However, the socket remains in FIN_WAIT_1 because incoming FIN packets are dropped. At this point, the module's refcnt is 0 while the socket is still alive, so the following rmmod command succeeds. # ss -tan State Recv-Q Send-Q Local Address:Port Peer Address:Port FIN-WAIT-1 0 477 10.0.2.15:51062 10.0.0.137:445 # lsmod | grep cifs cifs 1159168 0 This highlights a discrepancy between the lifetime of the CIFS module and the underlying TCP socket. Even after CIFS calls sock_release() and it returns, the TCP socket does not die immediately in order to close the connection gracefully. While this is generally fine, it causes an issue with LOCKDEP because CIFS assigns a different lock class to the TCP socket's sk->sk_lock using sock_lock_init_class_and_name(). Once an incoming packet is processed for the socket or a timer fires, sk->sk_lock is acquired. Then, LOCKDEP checks the lock context in check_wait_context(), where hlock_class() is called to retrieve the lock class. However, since the module has already been unloaded, hlock_class() logs a warning and returns NULL, triggering the null-ptr-deref. If LOCKDEP is enabled, we must ensure that a module calling sock_lock_init_class_and_name() (CIFS, NFS, etc) cannot be unloaded while such a socket is still alive to prevent this issue. Let's hold the module reference in sock_lock_init_class_and_name() and release it when the socket is freed in sk_prot_free(). Note that sock_lock_init() clears sk->sk_owner for svc_create_socket() that calls sock_lock_init_class_and_name() for a listening socket, which clones a socket by sk_clone_lock() without GFP_ZERO. [0]: CIFS_SERVER="10.0.0.137" CIFS_PATH="//${CIFS_SERVER}/Users/Administrator/Desktop/CIFS_TEST" DEV="enp0s3" CRED="/root/WindowsCredential.txt" MNT=$(mktemp -d /tmp/XXXXXX) mount -t cifs ${CIFS_PATH} ${MNT} -o vers=3.0,credentials=${CRED},cache=none,echo_interval=1 iptables -A INPUT -s ${CIFS_SERVER} -j DROP for i in $(seq 10); do umount ${MNT} rmmod cifs sleep 1 done rm -r ${MNT} iptables -D INPUT -s ${CIFS_SERVER} -j DROP [1]: DEBUG_LOCKS_WARN_ON(1) WARNING: CPU: 10 PID: 0 at kernel/locking/lockdep.c:234 hlock_class (kernel/locking/lockdep.c:234 kernel/locking/lockdep.c:223) Modules linked in: cifs_arc4 nls_ucs2_utils cifs_md4 [last unloaded: cifs] CPU: 10 UID: 0 PID: 0 Comm: swapper/10 Not tainted 6.14.0 #36 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.0-0-gd239552ce722-prebuilt.qemu.org 04/01/2014 RIP: 0010:hlock_class (kernel/locking/lockdep.c:234 kernel/locking/lockdep.c:223) ... Call Trace: <IRQ> __lock_acquire (kernel/locking/lockdep.c:4853 kernel/locking/lockdep.c:5178) lock_acquire (kernel/locking/lockdep.c:469 kernel/locking/lockdep.c:5853 kernel/locking/lockdep.c:5816) _raw_spin_lock_nested (kernel/locking/spinlock.c:379) tcp_v4_rcv (./include/linux/skbuff.h:1678 ./include/net/tcp.h:2547 net/ipv4/tcp_ipv4.c:2350) ... BUG: kernel NULL pointer dereference, address: 00000000000000c4 PF: supervisor read access in kernel mode PF: error_code(0x0000) - not-present page PGD 0 Oops: Oops: 0000 [#1] PREEMPT SMP NOPTI CPU: 10 UID: 0 PID: 0 Comm: swapper/10 Tainted: G W 6.14.0 #36 Tainted: [W]=WARN Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.0-0-gd239552ce722-prebuilt.qemu.org 04/01/2014 RIP: 0010:__lock_acquire (kernel/locking/lockdep.c:4852 kernel/locking/lockdep.c:5178) Code: 15 41 09 c7 41 8b 44 24 20 25 ff 1f 00 00 41 09 c7 8b 84 24 a0 00 00 00 45 89 7c 24 20 41 89 44 24 24 e8 e1 bc ff ff 4c 89 e7 <44> 0f b6 b8 c4 00 00 00 e8 d1 bc ff ff 0f b6 80 c5 00 00 00 88 44 RSP: 0018:ffa0000000468a10 EFLAGS: 00010046 RAX: 0000000000000000 RBX: ff1100010091cc38 RCX: 0000000000000027 RDX: ff1100081f09ca48 RSI: 0000000000000001 RDI: ff1100010091cc88 RBP: ff1100010091c200 R08: ff1100083fe6e228 R09: 00000000ffffbfff R10: ff1100081eca0000 R11: ff1100083fe10dc0 R12: ff1100010091cc88 R13: 0000000000000001 R14: 0000000000000000 R15: 00000000000424b1 FS: 0000000000000000(0000) GS:ff1100081f080000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000000000c4 CR3: 0000000002c4a003 CR4: 0000000000771ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe07f0 DR7: 0000000000000400 PKRU: 55555554 Call Trace: <IRQ> lock_acquire (kernel/locking/lockdep.c:469 kernel/locking/lockdep.c:5853 kernel/locking/lockdep.c:5816) _raw_spin_lock_nested (kernel/locking/spinlock.c:379) tcp_v4_rcv (./include/linux/skbuff.h:1678 ./include/net/tcp.h:2547 net/ipv4/tcp_ipv4.c:2350) ip_protocol_deliver_rcu (net/ipv4/ip_input.c:205 (discriminator 1)) ip_local_deliver_finish (./include/linux/rcupdate.h:878 net/ipv4/ip_input.c:234) ip_sublist_rcv_finish (net/ipv4/ip_input.c:576) ip_list_rcv_finish (net/ipv4/ip_input.c:628) ip_list_rcv (net/ipv4/ip_input.c:670) __netif_receive_skb_list_core (net/core/dev.c:5939 net/core/dev.c:5986) netif_receive_skb_list_internal (net/core/dev.c:6040 net/core/dev.c:6129) napi_complete_done (./include/linux/list.h:37 ./include/net/gro.h:519 ./include/net/gro.h:514 net/core/dev.c:6496) e1000_clean (drivers/net/ethernet/intel/e1000/e1000_main.c:3815) __napi_poll.constprop.0 (net/core/dev.c:7191) net_rx_action (net/core/dev.c:7262 net/core/dev.c:7382) handle_softirqs (kernel/softirq.c:561) __irq_exit_rcu (kernel/softirq.c:596 kernel/softirq.c:435 kernel/softirq.c:662) irq_exit_rcu (kernel/softirq.c:680) common_interrupt (arch/x86/kernel/irq.c:280 (discriminator 14)) </IRQ> <TASK> asm_common_interrupt (./arch/x86/include/asm/idtentry.h:693) RIP: 0010:default_idle (./arch/x86/include/asm/irqflags.h:37 ./arch/x86/include/asm/irqflags.h:92 arch/x86/kernel/process.c:744) Code: 4c 01 c7 4c 29 c2 e9 72 ff ff ff 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa eb 07 0f 00 2d c3 2b 15 00 fb f4 <fa> c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 RSP: 0018:ffa00000000ffee8 EFLAGS: 00000202 RAX: 000000000000640b RBX: ff1100010091c200 RCX: 0000000000061aa4 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff812f30c5 RBP: 000000000000000a R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000002 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 ? do_idle (kernel/sched/idle.c:186 kernel/sched/idle.c:325) default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) do_idle (kernel/sched/idle.c:186 kernel/sched/idle.c:325) cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) start_secondary (arch/x86/kernel/smpboot.c:315) common_startup_64 (arch/x86/kernel/head_64.S:421) </TASK> Modules linked in: cifs_arc4 nls_ucs2_utils cifs_md4 [last unloaded: cifs] CR2: 00000000000000c4 Fixes: ed07536ed673 ("[PATCH] lockdep: annotate nfs/nfsd in-kernel sockets") Signed-off-by: Kuniyuki Iwashima <kuniyu@amazon.com> Cc: stable@vger.kernel.org Link: https://patch.msgid.link/20250407163313.22682-1-kuniyu@amazon.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2025-04-09hrtimer: Add missing ACCESS_PRIVATE() for hrtimer::functionNam Cao
The "function" field of struct hrtimer has been changed to private, but two instances have not been converted to use ACCESS_PRIVATE(). Convert them to use ACCESS_PRIVATE(). Fixes: 04257da0c99c ("hrtimers: Make callback function pointer private") Reported-by: kernel test robot <lkp@intel.com> Signed-off-by: Nam Cao <namcao@linutronix.de> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Link: https://lore.kernel.org/all/20250408103854.1851093-1-namcao@linutronix.de Closes: https://lore.kernel.org/oe-kbuild-all/202504071931.vOVl13tt-lkp@intel.com/ Closes: https://lore.kernel.org/oe-kbuild-all/202504072155.5UAZjYGU-lkp@intel.com/
2025-04-08Merge branch '6.15/scsi-queue' into 6.15/scsi-fixesMartin K. Petersen
Pull in remaining fixes from 6.15/scsi-queue. Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2025-04-08Merge tag 'linux_kselftest-kunit-6.15-rc2' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest Pull kunit fixes from Shuah Khan: - Fix the tool to report test count in case of a late test plan when tests are specified before the test plan - Fix spelling error * tag 'linux_kselftest-kunit-6.15-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest: kunit: Spelling s/slowm/slow/ kunit: tool: fix count of tests if late test plan
2025-04-08drm: Add UAPI for the Asahi driverAlyssa Rosenzweig
This adds the UAPI for the Asahi driver targeting the GPU in the Apple M1 and M2 series systems on chip. The UAPI design is based on other modern Vulkan-capable drivers, including Xe and Panthor. Memory management is based on explicit VM management. Synchronization is exclusively explicit sync. This UAPI is validated against our open source Mesa stack, which is fully conformant to the OpenGL 4.6, OpenGL ES 3.2, OpenCL 3.0, and Vulkan 1.4 standards. The Vulkan driver supports sparse, exercising the VM_BIND mechanism. This patch adds the standalone UAPI header. It is implemented by an open source DRM driver written in Rust. We fully intend to upstream this driver when possible. However, as a production graphics driver, it depends on a significant number of Rust abstractions that will take a long time to upstream. In the mean time, our userspace is upstream in Mesa but is not allowed to probe with upstream Mesa as the UAPI is not yet reviewed and merged in the upstream kernel. Although we ship a patched Mesa in Fedora Asahi Remix, any containers shipping upstream Mesa builds are broken for our users, including upstream Flatpak and Waydroid runtimes. Additionally, it forces us to maintain forks of Mesa and virglrenderer, which complicates bisects. The intention in sending out this patch is for this UAPI to be thoroughly reviewed. Once we as the DRM community are satisfied with the UAPI, this header lands signifying that the UAPI is stable and must only be evolved in backwards-compatible ways; it will be the UAPI implemented in the DRM driver that eventually lands upstream. That promise lets us enable upstream Mesa, solving all these issues while the upstream Rust abstractions are developed. https://github.com/alyssarosenzweig/linux/commits/agx-uapi-v7 contains the DRM driver implementing this proposed UAPI. https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/33984 contains the Mesa patches to implement this proposed UAPI. That Linux and Mesa branch together give a complete graphics/compute stack on top of this UAPI. Co-developed-by: Asahi Lina <lina@asahilina.net> Signed-off-by: Asahi Lina <lina@asahilina.net> Acked-by: Simona Vetter <simona.vetter@ffwll.ch> Reviewed-by: Neal Gompa <neal@gompa.dev> Reviewed-by: Janne Grunau <j@jannau.net> Reviewed-by: Faith Ekstrand <faith.ekstrand@collabora.com> Link: https://lore.kernel.org/r/20250408-agx-uapi-v7-1-ad122d4f7324@rosenzweig.io Signed-off-by: Alyssa Rosenzweig <alyssa@rosenzweig.io>
2025-04-08kunit: Spelling s/slowm/slow/Geert Uytterhoeven
Fix a misspelling of "slow". Link: https://lore.kernel.org/r/1f7ebf98598418914ec9f5b6d5cb8583d24a4bf0.1743089563.git.geert@linux-m68k.org Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org> Reviewed-by: David Gow <davidgow@google.com> Signed-off-by: Shuah Khan <shuah@kernel.org>
2025-04-08drm/amdgpu: add UAPI to query if user queues are supportedAlex Deucher
Add an INFO query to check if user queues are supported. v2: switch to a mask of IPs (Marek) v3: move to drm_amdgpu_info_device (Marek) Cc: marek.olsak@amd.com Cc: prike.liang@amd.com Cc: sunil.khatri@amd.com Cc: yogesh.mohanmarimuthu@amd.com Reviewed-by: Marek Olšák <marek.olsak@amd.com> Reviewed-by: Sunil Khatri <sunil.khatri@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2025-04-08drm/amdgpu: add new AMDGPU_INFO subquery for userq objectsShashank Sharma
This patch adds a new subquery (AMDGPU_INFO_UQ_FW_AREAS) in AMDGPU_INFO_IOCTL to get the size and alignment of shadow and csa objects from the FW setup. This information is required for the userqueue consumers. V2: Added Alex's suggestions and addressed review comments: - make this query IP specific (GFX/SDMA etc) - give a better title (AMDGPU_INFO_UQ_METADATA) - restructured the code as per sample code shared by Alex V3: Split the UAPI patch from shadow_size_fn modifications V4: Addressed review comments from UAPI review (Marek/Pierre-Eric) - Change the query name to AMDGPU_INFO_UQ_FW_AREAS - remove unused inpur parameter for AMDGPU_HW_IP* UAPI link: https://gitlab.freedesktop.org/mesa/drm/-/merge_requests/400/ Cc: Alex Deucher <alexander.deucher@amd.com> Cc: Christian Koenig <christian.koenig@amd.com> Cc: Arvind Yadav <arvind.yadav@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Shashank Sharma <shashank.sharma@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2025-04-08drm/amdgpu: Modify userq signal/wait struct field namesArunpravin Paneer Selvam
Modify kernel UAPI userq signal/wait struct field names and description corresponding to the libdrm UAPI review comments. libdrm MR: https://gitlab.freedesktop.org/mesa/drm/-/merge_requests/392 Signed-off-by: Arunpravin Paneer Selvam <Arunpravin.PaneerSelvam@amd.com> Reviewed-by: Christian König <christian.koenig@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2025-04-08drm/amdgpu: fix userqueue UAPI commentsShashank Sharma
This patch fixes some of the pending UAPI review comments from the libDRM/UAPI review process. - It updates some outdated comments in the userqueue UAPI header highlighted during the libdrm UAPI review. - It removes the GDS BO support which was found unused. - It also removes the unused flags parameter from the UAPI. - It also adds a padding variables in userqueue in/out structures. (Pierre-Eric and Marek) - clarify comments on top of drm_amdgpu_userq_in - clarify comment for queue_id (in) - clarify comment for mqd - clarify comment for compute MQD size - clarify comment for queue_id (out) - remove GDB object from BO object list - remove the unused flags parameter Cc: Alex Deucher <alexander.deucher@amd.com> Cc: Christian Koenig <christian.koenig@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Shashank Sharma <shashank.sharma@amd.com> Signed-off-by: Arvind Yadav <arvind.yadav@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2025-04-08drm/amdgpu: Add input fence to sync bo map/unmapArvind Yadav
This patch adds input fences to VM_IOCTL for buffer object. The kernel will map/unmap the BO only when the fence is signaled. The UAPI for the same has been approved here: https://gitlab.freedesktop.org/mesa/drm/-/merge_requests/392 V2: Bug fix (Arvind) V3: Bug fix (Arvind) V4: Rename UAPI objects as per UAPI review (Marek) V5: Addressed review comemnts from Christian - function should return error. - Add 'TODO' comment - The input fence should be independent of the operation. V6: Addressed review comemnts from Christian - Release the memory allocated by memdup_user(). V7: Addressed review comemnts from Christian - Drop the debug print and add "return r;" for the error handling. V11: Rebase v12: Fix 32-bit holes issue in sturct drm_amdgpu_gem_va. v13: Fix deadlock issue. v14: Fix merge conflict. v15: Fix review comment by renaming syncobj handles. Cc: Alex Deucher <alexander.deucher@amd.com> Cc: Christian Koenig <christian.koenig@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Reviewed-by: Christian König <christian.koenig@amd.com> Signed-off-by: Arvind Yadav <arvind.yadav@amd.com> Signed-off-by: Shashank Sharma <shashank.sharma@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2025-04-08drm/amdgpu: Add separate array of read and write for BO handlesArunpravin Paneer Selvam
Drop AMDGPU_USERQ_BO_WRITE as this should not be a global option of the IOCTL, It should be option per buffer. Hence adding separate array for read and write BO handles. v2(Marek): - Internal kernel details shouldn't be here. This file should only document the observed behavior, not the implementation . v3: - Fix DAL CI clang issue. v4: - Added Alex RB to merge the kernel UAPI changes since he has already approved the amdgpu_drm.h changes. Signed-off-by: Arunpravin Paneer Selvam <Arunpravin.PaneerSelvam@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Acked-by: Christian König <christian.koenig@amd.com> Suggested-by: Marek Olšák <marek.olsak@amd.com> Suggested-by: Christian König <christian.koenig@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2025-04-08drm/amdgpu: update userqueue BOs and PDsArvind Yadav
This patch updates the VM_IOCTL to allow userspace to synchronize the mapping/unmapping of a BO in the page table. The major changes are: - it adds a drm_timeline object as an input parameter to the VM IOCTL. - this object is used by the kernel to sync the update of the BO in the page table during the mapping of the object. - the kernel also synchronizes the tlb flush of the page table entry of this object during the unmapping (Added in this series: https://patchwork.freedesktop.org/series/131276/ and https://patchwork.freedesktop.org/patch/584182/) - the userspace can wait on this timeline, and then the BO is ready to be consumed by the GPU. The UAPI for the same has been approved here: https://gitlab.freedesktop.org/mesa/drm/-/merge_requests/392 V2: - remove the eviction fence coupling V3: - added the drm timeline support instead of input/output fence (Christian) V4: - made timeline 64-bit (Christian) - bug fix (Arvind) V5: GLCTS bug fix (Arvind) V6: Rename syncobj_handle -> timeline_syncobj_out Rename point -> timeline_point_in (Marek) V7: Addressed review comments from Christian: - do not send last_update fence in case of vm_clear_freed, instead return the fence from gen_va_update_vm - move the functions to update bo_mapping to amdgpu_gem.c - do not use amdgpu_userq_update_vm anymore in userq_create() V8: Addressed review comments from Christian: - Split amdgpu_gem_update_bo_mapping function. - amdgpu_gem_va_update_vm should return stub for error. V9: Addressed review comments from Christian: - Rename the function amdgpu_gem_update_timeline_node. - amdgpu_gem_update_timeline_node should be void function. - when timeline_point is zero don't allocate a chain and call drm_syncobj_replace_fence() instead of drm_syncobj_add_point(). V11: rebase V12: Fix 32-bit holes issue in sturct drm_amdgpu_gem_va. V13: Fix the review comment by renaming timeline syncobj (Marek) Cc: Alex Deucher <alexander.deucher@amd.com> Cc: Felix Kuehling <felix.kuehling@amd.com> Cc: Christian König <christian.koenig@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Reviewed-by: Christian König <christian.koenig@amd.com> Signed-off-by: Arvind Yadav <arvind.yadav@amd.com> Signed-off-by: Shashank Sharma <shashank.sharma@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2025-04-08drm/amdgpu: Add wait IOCTL timeline syncobj supportArunpravin Paneer Selvam
Add user fence wait IOCTL timeline syncobj support. v2:(Christian) - handle dma_fence_wait() return value. - shorten the variable name syncobj_timeline_points a bit. - move num_points up to avoid padding issues. v3:(Christian) - Handle timeline drm_syncobj_find_fence() call error handling - Use dma_fence_unwrap_for_each() in timeline fence as there could be more than one fence. v4:(Christian) - Drop the first num_fences since fence is always included in the dma_fence_unwrap_for_each() iteration, when fence != f then fence is most likely just a container. v5: Added Alex RB to merge the kernel UAPI changes since he has already approved the amdgpu_drm.h changes. Signed-off-by: Arunpravin Paneer Selvam <Arunpravin.PaneerSelvam@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Reviewed-by: Christian König <christian.koenig@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2025-04-08drm/amdgpu: UAPI headers for userqueue Secure semaphoreArunpravin Paneer Selvam
Add UAPI header support for userqueue Secure semaphore v2: Worked on review comments from Christian for the following modifications - Add bo handles, bo flags and padding fields. - Include value/va in a combined array. v3: Worked on review comments from Christian - Add num_fences field to obtain the number of objects required to allocate memory for userq_fence_info. - Replace obj_handle name with syncobj_handle. - Replace point name with syncobj_point. - Replace count_handles name with num_syncobj_handles. - Fix structure padding related issues. v4: Worked on review comments from Christian - Modify the bo flags description. Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Arunpravin Paneer Selvam <Arunpravin.PaneerSelvam@amd.com> Reviewed-by: Christian König <christian.koenig@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2025-04-08drm/amdgpu: enable compute/gfx usermode queueShashank Sharma
This patch does the necessary changes required to enable compute workload support using the existing usermode queues infrastructure. V9: Patch introduced V10: Add custom IP specific mqd strcuture for compute (Alex) V11: Rename drm_amdgpu_userq_mqd_compute_gfx_v11 to drm_amdgpu_userq_mqd_compute_gfx11 (Marek) Cc: Alex Deucher <alexander.deucher@amd.com> Cc: Christian Koenig <christian.koenig@amd.com> Acked-by: Christian König <christian.koenig@amd.com> Signed-off-by: Arvind Yadav <arvind.yadav@amd.com> Signed-off-by: Shashank Sharma <shashank.sharma@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2025-04-08drm/amdgpu: enable SDMA usermode queuesArvind Yadav
This patch does necessary modifications to enable the SDMA usermode queues using the existing userqueue infrastructure. V9: introduced this patch in the series V10: use header file instead of extern (Alex) V11: rename drm_amdgpu_userq_mqd_sdma_gfx_v11 to drm_amdgpu_userq_mqd_sdma_gfx11 (Marek) Cc: Christian König <Christian.Koenig@amd.com> Cc: Alex Deucher <alexander.deucher@amd.com> Reviewed-by: Christian König <christian.koenig@amd.com> Signed-off-by: Shashank Sharma <shashank.sharma@amd.com> Signed-off-by: Arvind Yadav <arvind.yadav@amd.com> Signed-off-by: Srinivasan Shanmugam <srinivasan.shanmugam@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2025-04-08drm/amdgpu: enable GFX-V11 userqueue supportShashank Sharma
This patch enables GFX-v11 IP support in the usermode queue base code. It typically: - adds a GFX_v11 specific MQD structure - sets IP functions to create and destroy MQDs - sets MQD objects coming from userspace V10: introduced this spearate patch for GFX V11 enabling (Alex). V11: Addressed review comments: - update the comments in GFX mqd structure informing user about using the INFO IOCTL for object sizes (Alex) - rename struct drm_amdgpu_userq_mqd_gfx_v11 to drm_amdgpu_userq_mqd_gfx11 (Marek) Cc: Alex Deucher <alexander.deucher@amd.com> Cc: Christian Koenig <christian.koenig@amd.com> Reviewed-by: Christian König <christian.koenig@amd.com> Signed-off-by: Shashank Sharma <shashank.sharma@amd.com> Signed-off-by: Arvind Yadav <arvind.yadav@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
generated by cgit v1.2.3 (git 2.46.0) at 2025-09-25 07:34:12 +0000