AMD EPYC 5th generation processors have introduced a feature that allows
the hypervisor to control the SEV_FEATURES that are set for, or by, a
guest [1]. ALLOWED_SEV_FEATURES can be used by the hypervisor to enforce
that SEV-ES and SEV-SNP guests cannot enable features that the
hypervisor does not want to be enabled.
Always enable ALLOWED_SEV_FEATURES. A VMRUN will fail if any
non-reserved bits are 1 in SEV_FEATURES but are 0 in
ALLOWED_SEV_FEATURES.
Some SEV_FEATURES - currently PmcVirtualization and SecureAvic
(see Appendix B, Table B-4) - require an opt-in via ALLOWED_SEV_FEATURES,
i.e. are off-by-default, whereas all other features are effectively
on-by-default, but still honor ALLOWED_SEV_FEATURES.
[1] Section 15.36.20 "Allowed SEV Features", AMD64 Architecture
Programmer's Manual, Pub. 24593 Rev. 3.42 - March 2024:
https://bugzilla.kernel.org/attachment.cgi?id=306250
Co-developed-by: Kishon Vijay Abraham I <kvijayab@amd.com>
Signed-off-by: Kishon Vijay Abraham I <kvijayab@amd.com>
Reviewed-by: Pankaj Gupta <pankaj.gupta@amd.com>
Signed-off-by: Kim Phillips <kim.phillips@amd.com>
Reviewed-by: Tom Lendacky <thomas.lendacky@amd.com>
Link: https://lore.kernel.org/r/20250310201603.1217954-3-kim.phillips@amd.com
Signed-off-by: Sean Christopherson <seanjc@google.com>
Add CPU feature detection for "Allowed SEV Features" to allow the
Hypervisor to enforce that SEV-ES and SEV-SNP guest VMs cannot
enable features (via SEV_FEATURES) that the Hypervisor does not
support or wish to be enabled.
Signed-off-by: Kishon Vijay Abraham I <kvijayab@amd.com>
Reviewed-by: Tom Lendacky <thomas.lendacky@amd.com>
Reviewed-by: Pankaj Gupta <pankaj.gupta@amd.com>
Acked-by: Borislav Petkov (AMD) <bp@alien8.de>
Signed-off-by: Kim Phillips <kim.phillips@amd.com>
Link: https://lore.kernel.org/r/20250310201603.1217954-2-kim.phillips@amd.com
Signed-off-by: Sean Christopherson <seanjc@google.com>
If multiple VMRUN instructions fail, resulting in calls to dump_vmcb(),
the output can become interleaved and it is impossible to identify which
line of output belongs to which VMCB. Add a mutex to dump_vmcb() so that
the output is serialized.
Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com>
Acked-by: Borislav Petkov (AMD) <bp@alien8.de>
Tested-by: Kim Phillips <kim.phillips@amd.com>
Link: https://lore.kernel.org/r/a880678afd9488e1dd6017445802712f7c02cc6d.1742477213.git.thomas.lendacky@amd.com
Signed-off-by: Sean Christopherson <seanjc@google.com>
An SEV-ES/SEV-SNP VM save area (VMSA) can be decrypted if the guest
policy allows debugging. Update the dump_vmcb() routine to output
some of the SEV VMSA contents if possible. This can be useful for
debug purposes.
Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com>
Acked-by: Borislav Petkov (AMD) <bp@alien8.de>
Tested-by: Kim Phillips <kim.phillips@amd.com>
Link: https://lore.kernel.org/r/ea3b852c295b6f4b200925ed6b6e2c90d9475e71.1742477213.git.thomas.lendacky@amd.com
Signed-off-by: Sean Christopherson <seanjc@google.com>
EU stall sampling is not supported on SRIOV VF. Do not
initialize or open EU stall stream on SRIOV VF.
Fixes: 9a0b11d4cf ("drm/xe/eustall: Add support to init, enable and disable EU stall sampling")
Signed-off-by: Harish Chegondi <harish.chegondi@intel.com>
Reviewed-by: Ashutosh Dixit <ashutosh.dixit@intel.com>
Signed-off-by: Ashutosh Dixit <ashutosh.dixit@intel.com>
Link: https://lore.kernel.org/r/10db5d1c7e17aadca7078ff74575b7ffc0d5d6b8.1745215022.git.harish.chegondi@intel.com
Use a separate lock in the polling function eu_stall_data_buf_poll()
instead of eu_stall->stream_lock. This would prevent a possible
circular locking dependency leading to a deadlock as described below.
This would also require additional locking with the new lock in
the read function.
<4> [787.192986] ======================================================
<4> [787.192988] WARNING: possible circular locking dependency detected
<4> [787.192991] 6.14.0-rc7-xe+ #1 Tainted: G U
<4> [787.192993] ------------------------------------------------------
<4> [787.192994] xe_eu_stall/20093 is trying to acquire lock:
<4> [787.192996] ffff88819847e2c0 ((work_completion)
(&(&stream->buf_poll_work)->work)), at: __flush_work+0x1f8/0x5e0
<4> [787.193005] but task is already holding lock:
<4> [787.193007] ffff88814ce83ba8 (>->eu_stall->stream_lock){3:3},
at: xe_eu_stall_stream_ioctl+0x41/0x6a0 [xe]
<4> [787.193090] which lock already depends on the new lock.
<4> [787.193093] the existing dependency chain (in reverse order) is:
<4> [787.193095]
-> #1 (>->eu_stall->stream_lock){+.+.}-{3:3}:
<4> [787.193099] __mutex_lock+0xb4/0xe40
<4> [787.193104] mutex_lock_nested+0x1b/0x30
<4> [787.193106] eu_stall_data_buf_poll_work_fn+0x44/0x1d0 [xe]
<4> [787.193155] process_one_work+0x21c/0x740
<4> [787.193159] worker_thread+0x1db/0x3c0
<4> [787.193161] kthread+0x10d/0x270
<4> [787.193164] ret_from_fork+0x44/0x70
<4> [787.193168] ret_from_fork_asm+0x1a/0x30
<4> [787.193172]
-> #0 ((work_completion)(&(&stream->buf_poll_work)->work)){+.+.}-{0:0}:
<4> [787.193176] __lock_acquire+0x1637/0x2810
<4> [787.193180] lock_acquire+0xc9/0x300
<4> [787.193183] __flush_work+0x219/0x5e0
<4> [787.193186] cancel_delayed_work_sync+0x87/0x90
<4> [787.193189] xe_eu_stall_disable_locked+0x9a/0x260 [xe]
<4> [787.193237] xe_eu_stall_stream_ioctl+0x5b/0x6a0 [xe]
<4> [787.193285] __x64_sys_ioctl+0xa4/0xe0
<4> [787.193289] x64_sys_call+0x131e/0x2650
<4> [787.193292] do_syscall_64+0x91/0x180
<4> [787.193295] entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4> [787.193299]
other info that might help us debug this:
<4> [787.193302] Possible unsafe locking scenario:
<4> [787.193304] CPU0 CPU1
<4> [787.193305] ---- ----
<4> [787.193306] lock(>->eu_stall->stream_lock);
<4> [787.193308] lock((work_completion)
(&(&stream->buf_poll_work)->work));
<4> [787.193311] lock(>->eu_stall->stream_lock);
<4> [787.193313] lock((work_completion)
(&(&stream->buf_poll_work)->work));
<4> [787.193315]
*** DEADLOCK ***
Fixes: 760edec939 ("drm/xe/eustall: Add support to read() and poll() EU stall data")
Closes: https://gitlab.freedesktop.org/drm/xe/kernel/-/issues/4598
Signed-off-by: Harish Chegondi <harish.chegondi@intel.com>
Reviewed-by: Ashutosh Dixit <ashutosh.dixit@intel.com>
Signed-off-by: Ashutosh Dixit <ashutosh.dixit@intel.com>
Link: https://lore.kernel.org/r/c896932fca84f79db2df5942911997ed77b2b9b6.1744934656.git.harish.chegondi@intel.com
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Merge tag 'vfs-6.15-rc4.fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs
Pull vfs fixes from Christian Brauner:
- For some reason we went from zero to three maintainers for HFS/HFS+
in a matter of days. The lesson to learn from this might just be that
we need to threaten code removal more often!?
- Fix a regression introduced by enabling large folios for lage logical
block sizes. This has caused issues for noref migration with large
folios due to sleeping while in an atomic context.
New sleeping variants of pagecache lookup helpers are introduced.
These helpers take the folio lock instead of the mapping's private
spinlock. The problematic users are converted to the sleeping
variants and serialize against noref migration. Atomic users will
bail on seeing the new BH_Migrate flag.
This also shrinks the critical region of the mapping's private lock
and the new blocking callers reduce contention on the spinlock for
bdev mappings.
- Fix two bugs in do_move_mount() when with MOVE_MOUNT_BENEATH. The
first bug is using a mountpoint that is located on a mount we're not
holding a reference to. The second bug is putting the mountpoint
after we've called namespace_unlock() as it's no longer guaranteed
that it does stay a mountpoint.
- Remove a pointless call to vfs_getattr_nosec() in the devtmpfs code
just to query i_mode instead of simply querying the inode directly.
This also avoids lifetime issues for the dm code by an earlier bugfix
this cycle that moved bdev_statx() handling into vfs_getattr_nosec().
- Fix AT_FDCWD handling with getname_maybe_null() in the xattr code.
- Fix a performance regression for files when multiple callers issue a
close when it's not the last reference.
- Remove a duplicate noinline annotation from pipe_clear_nowait().
* tag 'vfs-6.15-rc4.fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs:
fs/xattr: Fix handling of AT_FDCWD in setxattrat(2) and getxattrat(2)
MAINTAINERS: hfs/hfsplus: add myself as maintainer
splice: remove duplicate noinline from pipe_clear_nowait
devtmpfs: don't use vfs_getattr_nosec to query i_mode
fix a couple of races in MNT_TREE_BENEATH handling by do_move_mount()
fs: fall back to file_ref_put() for non-last reference
mm/migrate: fix sleep in atomic for large folios and buffer heads
fs/ext4: use sleeping version of sb_find_get_block()
fs/jbd2: use sleeping version of __find_get_block()
fs/ocfs2: use sleeping version of __find_get_block()
fs/buffer: use sleeping version of __find_get_block()
fs/buffer: introduce sleeping flavors for pagecache lookups
MAINTAINERS: add HFS/HFS+ maintainers
fs/buffer: split locking for pagecache lookups
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Merge tag 'ceph-for-6.15-rc4' of https://github.com/ceph/ceph-client
Pull ceph fixes from Ilya Dryomov:
"A small CephFS encryption-related fix and a dead code cleanup"
* tag 'ceph-for-6.15-rc4' of https://github.com/ceph/ceph-client:
ceph: Fix incorrect flush end position calculation
ceph: Remove osd_client deadcode
- Series to fix using the wrong GPF DVSEC location
- Fix caching of dport GPF DVSEC from the first endpoint
- Ensure that the GPF phase timeout is only updated once by first endpoint
- Drop is_port parameter for cxl_gpf_get_dvsec()
- Fix the devm_* call host device for CXL fwctl setup
- Set the out_len in Set Features failure case
- Fix RCD initialization by skipping unneeded mem_en check
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Merge tag 'cxl-fixes-6.15-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/cxl/cxl
Pull cxl fixes from Dave Jiang:
"The fixes address global persistent flush (GPF) changes and CXL
Features support changes that went in the 6.15 merge window. And also
a fix to an issue observed on CXL 1.1 platform during device
enumeration.
Summary:
- Fix using the wrong GPF DVSEC location:
- Fix caching of dport GPF DVSEC from the first endpoint
- Ensure that the GPF phase timeout is only updated once by first
endpoint
- Drop is_port parameter for cxl_gpf_get_dvsec()
- Fix the devm_* call host device for CXL fwctl setup
- Set the out_len in Set Features failure case
- Fix RCD initialization by skipping unneeded mem_en check"
* tag 'cxl-fixes-6.15-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/cxl/cxl:
cxl/core/regs.c: Skip Memory Space Enable check for RCD and RCH Ports
cxl/feature: Update out_len in set feature failure case
cxl: Fix devm host device for CXL fwctl initialization
cxl/pci: Drop the parameter is_port of cxl_gpf_get_dvsec()
cxl/pci: Update Port GPF timeout only when the first EP attaching
cxl/core: Fix caching dport GPF DVSEC issue
- fix spelling error
- remove redundant error handling in exynos_drm_vidi.c module.
- marks struct decon_data as const in the exynos7_drm_decon driver since it is only read.
Cleanup
- Remove unnecessary checking in exynos_drm_drv.c module
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Merge tag 'exynos-drm-fixes-for-v6.15-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/daeinki/drm-exynos into drm-fixes
Several fixups
- fix spelling error
- remove redundant error handling in exynos_drm_vidi.c module.
- marks struct decon_data as const in the exynos7_drm_decon driver since it is only read.
Cleanup
- Remove unnecessary checking in exynos_drm_drv.c module
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Inki Dae <inki.dae@samsung.com>
Link: https://lore.kernel.org/r/20250423143044.46165-1-inki.dae@samsung.com
Fix drm_gpusvm kernel-doc (Lucas)
Driver Changes:
- Release guc ids before cancelling work (Tejas)
- Remove a duplicated pc_start_call (Rodrigo)
- Fix an incorrect assert in previous userptr fixes (Thomas)
- Remove gen11 assertions and prefixes (Lucas)
- Drop sentinels from arg to xe_rtp_process_to_src (Lucas)
- Temporarily disable D3Cold on BMG (Rodrigo)
- Fix MOCS debugfs LNCF readout (Tvrtko)
- Some ring flush cleanups (Tvrtko)
- Use unsigned int for alignment in fb pinning code (Tvrtko)
- Retry and wait longer for GuC PC start (Rodrigo)
- Recognize 3DSTATE_COARSE_PIXEL in LRC dumps (Matt Roper)
- Remove reduntant check in xe_vm_create_ioctl() (Xin)
- A bunch of SRIOV updates (Michal)
- Add stats for SVM page-faults (Francois)
- Fix an UAF (Harish)
- Expose fan speed (Raag)
- Fix exporting xe buffer objects multiple times (Tomasz)
- Apply a workaround (Vinay)
- Simplify pinned bo iteration (Thomas)
- Remove an incorrect "static" keywork (Lucas)
- Add support for separate firmware files on each GT (Lucas)
- Survivability handling fixes (Lucas)
- Allow to inject error in early probe (Lucas)
- Fix unmet direct dependencies warning (Yue Haibing)
- More error injection during probe (Francois)
- Coding style fix (Maarten)
- Additional stats support (Riana)
- Add fault injection for xe_oa_alloc_regs (Nakshrtra)
- Add a BMG PCI ID (Matt Roper)
- Some SVM fixes and preliminary SVM multi-device work (Thomas)
- Switch the migrate code from drm managed to dev managed (Aradhya)
- Fix an out-of-bounds shift when invalidating TLB (Thomas)
- Ensure fixed_slice_mode gets set after ccs_mode change (Niranjana)
- Use local fence in error path of xe_migrate_clear (Matthew Brost)
- More Workarounds (Julia)
- Define sysfs_ops on all directories (Tejas)
- Set power state to D3Cold during s2idle/s3 (Badal)
- Devcoredump output fix (John)
- Avoid plain 64-bit division (Arnd Bergmann)
- Reword a debug message (John)
- Don't print a hwconfig error message when forcing execlists (Stuart)
- Restore an error code to avoid a smatch warning (Rodrigo)
- Invalidate L3 read-only cachelines for geometry streams too (Kenneth)
- Make PPHWSP size explicit in xe_gt_lrc_size() (Gustavo)
- Add GT frequency events (Vinay)
- Fix xe_pt_stage_bind_walk kerneldoc (Thomas)
- Add a workaround (Aradhya)
- Rework pinned save/restore (Matthew Auld, Matthew Brost)
- Allow non-contig VRAM kernel BO (Matthew Auld)
- Support non-contig VRAM provisioning for SRIOV (Matthew Auld)
- Allow scratch-pages for unmapped parts of page-faulting VMs. (Oak)
- Ensure XE_BO_FLAG_CPU_ADDR_MIRROR had a unique value (Matt Roper)
- Fix taking an invalid lock on wedge (Lucas)
- Configs and documentation for survivability mode (Riana)
- Remove an unused macro (Shuicheng)
- Work around a page-fault full error (Matt Brost)
- Enable a SRIOV workaround (John)
- Bump the recommended GuC version (John)
- Allow to drop VRAM resizing (Lucas)
- Don't expose privileged debugfs files if VF (Michal)
- Don't show GGTT/LMEM debugfs files under media GT (Michal)
- Adjust ring-buffer emission for maximum possible size (Tvrtko)
- Fix notifier vs folio lock deadlock (Matthew Auld)
- Stop relying on placement for dma-buf unmap Matthew Auld)
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Merge tag 'drm-xe-next-2025-04-17' of https://gitlab.freedesktop.org/drm/xe/kernel into drm-next
Core Changes:
Fix drm_gpusvm kernel-doc (Lucas)
Driver Changes:
- Release guc ids before cancelling work (Tejas)
- Remove a duplicated pc_start_call (Rodrigo)
- Fix an incorrect assert in previous userptr fixes (Thomas)
- Remove gen11 assertions and prefixes (Lucas)
- Drop sentinels from arg to xe_rtp_process_to_src (Lucas)
- Temporarily disable D3Cold on BMG (Rodrigo)
- Fix MOCS debugfs LNCF readout (Tvrtko)
- Some ring flush cleanups (Tvrtko)
- Use unsigned int for alignment in fb pinning code (Tvrtko)
- Retry and wait longer for GuC PC start (Rodrigo)
- Recognize 3DSTATE_COARSE_PIXEL in LRC dumps (Matt Roper)
- Remove reduntant check in xe_vm_create_ioctl() (Xin)
- A bunch of SRIOV updates (Michal)
- Add stats for SVM page-faults (Francois)
- Fix an UAF (Harish)
- Expose fan speed (Raag)
- Fix exporting xe buffer objects multiple times (Tomasz)
- Apply a workaround (Vinay)
- Simplify pinned bo iteration (Thomas)
- Remove an incorrect "static" keywork (Lucas)
- Add support for separate firmware files on each GT (Lucas)
- Survivability handling fixes (Lucas)
- Allow to inject error in early probe (Lucas)
- Fix unmet direct dependencies warning (Yue Haibing)
- More error injection during probe (Francois)
- Coding style fix (Maarten)
- Additional stats support (Riana)
- Add fault injection for xe_oa_alloc_regs (Nakshrtra)
- Add a BMG PCI ID (Matt Roper)
- Some SVM fixes and preliminary SVM multi-device work (Thomas)
- Switch the migrate code from drm managed to dev managed (Aradhya)
- Fix an out-of-bounds shift when invalidating TLB (Thomas)
- Ensure fixed_slice_mode gets set after ccs_mode change (Niranjana)
- Use local fence in error path of xe_migrate_clear (Matthew Brost)
- More Workarounds (Julia)
- Define sysfs_ops on all directories (Tejas)
- Set power state to D3Cold during s2idle/s3 (Badal)
- Devcoredump output fix (John)
- Avoid plain 64-bit division (Arnd Bergmann)
- Reword a debug message (John)
- Don't print a hwconfig error message when forcing execlists (Stuart)
- Restore an error code to avoid a smatch warning (Rodrigo)
- Invalidate L3 read-only cachelines for geometry streams too (Kenneth)
- Make PPHWSP size explicit in xe_gt_lrc_size() (Gustavo)
- Add GT frequency events (Vinay)
- Fix xe_pt_stage_bind_walk kerneldoc (Thomas)
- Add a workaround (Aradhya)
- Rework pinned save/restore (Matthew Auld, Matthew Brost)
- Allow non-contig VRAM kernel BO (Matthew Auld)
- Support non-contig VRAM provisioning for SRIOV (Matthew Auld)
- Allow scratch-pages for unmapped parts of page-faulting VMs. (Oak)
- Ensure XE_BO_FLAG_CPU_ADDR_MIRROR had a unique value (Matt Roper)
- Fix taking an invalid lock on wedge (Lucas)
- Configs and documentation for survivability mode (Riana)
- Remove an unused macro (Shuicheng)
- Work around a page-fault full error (Matt Brost)
- Enable a SRIOV workaround (John)
- Bump the recommended GuC version (John)
- Allow to drop VRAM resizing (Lucas)
- Don't expose privileged debugfs files if VF (Michal)
- Don't show GGTT/LMEM debugfs files under media GT (Michal)
- Adjust ring-buffer emission for maximum possible size (Tvrtko)
- Fix notifier vs folio lock deadlock (Matthew Auld)
- Stop relying on placement for dma-buf unmap Matthew Auld)
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Thomas Hellstrom <thomas.hellstrom@linux.intel.com>
Link: https://lore.kernel.org/r/aADWaEFKVmxSnDLo@fedora
The phy clock of the OTP block is also present, but was not defined
so far. Though its clk-id already existed, so just define its location.
Tested-by: Nicolas Frattaroli <nicolas.frattaroli@collabora.com>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Link: https://lore.kernel.org/r/20250210224510.1194963-2-heiko@sntech.de
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
When a CPU goes offline, hv_common_cpu_die() frees the
hv_synic_eventring_tail memory for the CPU. But in a normal VM (i.e., not
running in the root partition) the per-CPU memory has not been allocated,
resulting in a bad memory reference and oops when computing the argument
to kfree().
Fix this by freeing the memory only when running in the root partition.
Fixes: 04df7ac399 ("Drivers: hv: Introduce per-cpu event ring tail")
Signed-off-by: Michael Kelley <mhklinux@outlook.com>
Reviewed-by: Nuno Das Neves <nunodasneves@linux.microsoft.com>
Link: https://lore.kernel.org/r/20250421163134.2024-1-mhklinux@outlook.com
Signed-off-by: Wei Liu <wei.liu@kernel.org>
Message-ID: <20250421163134.2024-1-mhklinux@outlook.com>
Merge series from Vishwaroop A <va@nvidia.com>:
This series introduces QSPI clock configuration and internal DMA
support for Quad SPI controller. The patches have been reorganized
for better logical flow and review comments from v2 have been addressed.
Merge series from Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>:
Renesas MSIOF can work as both SPI and I2S.
Current Linux supports MSIOF-SPI. This patch-set adds new MSIOF-I2S.
Because it is using same HW-IP, we want to share same compatible for both
MSIOF-SPI/I2S case. MSIOF-I2S (Sound) will use Audio-Graph-Card/Card2 which
uses Of-Graph, but MSIOF-SPI is not use Of-Graph.
So, this patch-set assumes it was used as MSIOF-I2S if DT is using Of-Graph,
otherwise, it is MSIOF-SPI (This assumption will works if SPI *never*
use Of-Graph in the future).
One note so far is that it is using "spi@xxx" node name for both
MSIOF-SPI/I2S. DTC will automatically checks "spi@xxx" node as SPI device
which requests #address-cells/#size-cells. But is not needed for I2S.
So we will get warning about it on Sparrow Hawk which uses MSIOF-I2S.
We have no solution about it, so far.
Link: https://lore.kernel.org/r/87zfgi1a5a.wl-kuninori.morimoto.gx@renesas.com
Link: https://lore.kernel.org/r/87h62vh5mj.wl-kuninori.morimoto.gx@renesas.com
Link: https://lore.kernel.org/r/875xjeb0wu.wl-kuninori.morimoto.gx@renesas.com
PWM signals can be routed to the user expansion header on am625
SK and am62 lp sk. Enable eCAP0, eCAP1, eHRPWM1, and route the
output PWM signals to pins on J3 header.
Signed-off-by: Judith Mendez <jm@ti.com>
Reviewed-by: Bryan Brattlof <bb@ti.com>
Link: https://lore.kernel.org/r/20250422000851.4118545-4-jm@ti.com
Signed-off-by: Nishanth Menon <nm@ti.com>
PWM signals can be routed to the user expansion header on am62a7
SK. Enable eCAP0, eCAP1, eHRPWM1, and route the output PWM signals
to pins on J3 header.
Signed-off-by: Judith Mendez <jm@ti.com>
Reviewed-by: Bryan Brattlof <bb@ti.com>
Link: https://lore.kernel.org/r/20250422000851.4118545-3-jm@ti.com
Signed-off-by: Nishanth Menon <nm@ti.com>
PWM signals can be routed to the user expansion header on am62p5
SK. Enable eCAP0, eCAP1, eHRPWM0, eHRPWM1 and route the output PWM
signals to pins on J4 header.
Signed-off-by: Judith Mendez <jm@ti.com>
Reviewed-by: Bryan Brattlof <bb@ti.com>
Link: https://lore.kernel.org/r/20250422000851.4118545-2-jm@ti.com
Signed-off-by: Nishanth Menon <nm@ti.com>
The phyCORE-AM68x/TDA4x [1] is a SoM (System on Module) featuring TI's
AM68x/TDA4x SoC. It can be used in combination with different carrier
boards. This module can come with different sizes and models for DDR,
eMMC, SPI NOR Flash and various SoCs from the AM68x/TDA4x (J721S2) family.
A reference carrier board design, called phyBOARD-Izar is used for the
phyCORE-AM68x/TDA4x development kit [2].
Supported features:
* Debug UART
* 2x SPI NOR Flash
* eMMC
* 2x Ethernet
* Micro SD card
* I2C EEPROM
* I2C RTC
* 2x I2C GPIO Expander
* LEDs
* USB 5 Gbit/s
* PCIe
For more details see the product pages for the SoM and the
development kit:
[1] https://www.phytec.eu/en/produkte/system-on-modules/phycore-am68x-tda4x/
[2] https://www.phytec.eu/en/produkte/development-kits/phyboard-izar/
Signed-off-by: Dominik Haller <d.haller@phytec.de>
Reviewed-by: Wadim Egorov <w.egorov@phytec.de>
Reviewed-by: Udit Kumar <u-kumar1@ti.com>
Acked-by: Moteen Shah <m-shah@ti.com>
Link: https://lore.kernel.org/r/20250423133635.29897-2-d.haller@phytec.de
Signed-off-by: Nishanth Menon <nm@ti.com>
Add devicetree bindings for the AM68x based phyCORE-AM68x/TDA4x SoM
and the phyBOARD-Izar carrier board.
Signed-off-by: Dominik Haller <d.haller@phytec.de>
Reviewed-by: Wadim Egorov <w.egorov@phytec.de>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20250423133635.29897-1-d.haller@phytec.de
Signed-off-by: Nishanth Menon <nm@ti.com>
Enable the driver for the TI TMP102 temperature sensors used on the Phytec
phyCORE-AM68x/TDA4x and the phyGATE-Tauri-L-iMX8MM.
Signed-off-by: Dominik Haller <d.haller@phytec.de>
Reviewed-by: Udit Kumar <u-kumar1@ti.com>
Link: https://lore.kernel.org/r/20250423133635.29897-3-d.haller@phytec.de
Signed-off-by: Nishanth Menon <nm@ti.com>
Enable CONFIG_HWSPINLOCK_OMAP to allow usage of these devices
across K3 SoC's. Also enable CONFIG_TI_EQEP which is enabled by
default on am64x SK board.
Signed-off-by: Judith Mendez <jm@ti.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Link: https://lore.kernel.org/r/20250421201055.3889680-1-jm@ti.com
Signed-off-by: Nishanth Menon <nm@ti.com>
Enable configs for cdns-dsi and cdns-dphy drivers required for DSI
display on the following platforms:
J721E-EVM, J721E-BeagleBone-AI64, J721S2-EVM, AM68-SK, J722S-EVM,
BeagleY-AI, AM62P5-SK, J784S4-EVM and J742S2-EVM
The DSI wrapper driver used by all the above mentioned platforms,
cdns-dsi-j721e is enabled by default if cdns-dsi config is enabled.
Signed-off-by: Jayesh Choudhary <j-choudhary@ti.com>
Reviewed-by: Judith Mendez <jm@ti.com>
Link: https://lore.kernel.org/r/20250416182930.32132-1-j-choudhary@ti.com
Signed-off-by: Nishanth Menon <nm@ti.com>
Commit under Fixes corrected the "mux-reg-masks" property but did not
update the "length" field of the "reg" property to account for the
newly added register offsets which extend the region. Fix this.
Fixes: 38e7f9092e ("arm64: dts: ti: k3-j784s4-j742s2-main-common: Fix serdes_ln_ctrl reg-masks")
Cc: stable@vger.kernel.org
Signed-off-by: Siddharth Vadapalli <s-vadapalli@ti.com>
Reviewed-by: Udit Kumar <u-kumar1@ti.com>
Link: https://lore.kernel.org/r/20250423151612.48848-1-s-vadapalli@ti.com
Signed-off-by: Nishanth Menon <nm@ti.com>
Add the 5v0 supply that is provided over the display panel cable and
used by the LCD. This is required by "simple panels" or we get the
following warning from DTBS_CHECK:
k3-am654-gp-evm.dtb: display0: 'power-supply' is a required property
Signed-off-by: Andrew Davis <afd@ti.com>
Link: https://lore.kernel.org/r/20250421214620.3770172-4-afd@ti.com
Signed-off-by: Nishanth Menon <nm@ti.com>
Now that the TI K3 AM654 system controller bindings also cover the
usage in the main domain, add its compatible to address dtbs_check
complains:
k3-am654-base-board.dtb: scm-conf@100000: compatible: ['syscon', 'simple-mfd'] is too short
Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: Andrew Davis <afd@ti.com>
Link: https://lore.kernel.org/r/20250421214620.3770172-3-afd@ti.com
Signed-off-by: Nishanth Menon <nm@ti.com>
Add the child nodes that can be found under this node. Then as done
for other similar devices (J7200 and J721s2) add support for the AM654
system controller to this binding.
Signed-off-by: Andrew Davis <afd@ti.com>
Reviewed-by: Rob Herring (Arm) <robh@kernel.org>
Link: https://lore.kernel.org/r/20250421214620.3770172-2-afd@ti.com
Signed-off-by: Nishanth Menon <nm@ti.com>
Fix hdmi-connector and tfp bridge node as per the bindings,
- Remove 'digital' property which is required for DVI connector not HDMI
- Add 'ti,deskew' property which is a required property
- Fix ports property for tfp410 bridge
- Change node names appropriately
Redefine the ports for dss and for k3-j721e-common-proc-board.dts, add
reg property for the port (@0) to get rid of dtbs_check warnings in
infotainment overlay when ports for dss are re-defined.
Signed-off-by: Jayesh Choudhary <j-choudhary@ti.com>
Reviewed-by: Udit Kumar <u-kumar1@ti.com>
Link: https://lore.kernel.org/r/20250424080328.57671-1-j-choudhary@ti.com
Signed-off-by: Nishanth Menon <nm@ti.com>
* A fix for a missing icache flush in uprobes, which manifests as at
least a BFF selftest failure on the Spacemit X1.
* A workaround for build warnings in flush_icache_range().
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Merge tag 'riscv-for-linus-6.15-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux
Pull RISC-V fixes from Palmer Dabbelt:
- A fix for a missing icache flush in uprobes, which manifests as at
least a BFF selftest failure on the Spacemit X1
- A workaround for build warnings in flush_icache_range()
* tag 'riscv-for-linus-6.15-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux:
riscv: uprobes: Add missing fence.i after building the XOL buffer
riscv: Replace function-like macro by static inline function
The cgroup_rstat_push_children() function converts a set of
updated_children lists from different cgroups into a single ordered
list of cgroups to be flushed via the rstat_flush_next pointer.
The algorithm used isn't that well illustrated and it takes time to
grasp what it is doing. Improve the embedded documentation and variable
names to better illustrate the transformation process and make the code
easier to understand.
Also cgroup_rstat_lock must be held for the whole duration
from where the rstat_flush_next list is being constructed in
cgroup_rstat_push_children() to when it is consumed later in
css_rstat_flush(). Otherwise, list corruption can happen leading to
system crash as reported in [1]. In this particular case, the branch
being used has commit 093c8812de ("cgroup: rstat: Cleanup flushing
functions and locking") which breaks this rule, but is missing the fix
commit 7d6c63c319 ("cgroup: rstat: call cgroup_rstat_updated_list
with cgroup_rstat_lock") that fixes it.
This patch has no functional change.
[1] https://lore.kernel.org/lkml/BY5PR04MB68495E9E8A46CA9614D62669BCBB2@BY5PR04MB6849.namprd04.prod.outlook.com/
Signed-off-by: Waiman Long <longman@redhat.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
Copy timestamp too when allocating new skb for received fragment.
Fixes missing RX timestamps with fragmentation.
Fixes: 4d7ea8ee90 ("Bluetooth: L2CAP: Fix handling fragmented length")
Signed-off-by: Pauli Virtanen <pav@iki.fi>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
Due to a hardware issue, there is a possibility that the driver may miss
an MSIx interrupt on the RX/TX data path. Since the TX and RX paths are
independent, when a TX MSIx interrupt occurs, the driver can check the
RX queue for any pending data and process it if present. The same
approach applies to the RX path.
Fixes: c2b636b3f7 ("Bluetooth: btintel_pcie: Add support for PCIe transport")
Signed-off-by: Chandrashekar Devegowda <chandrashekar.devegowda@intel.com>
Signed-off-by: Kiran K <kiran.k@intel.com>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
To prevent Bluetooth SDIO card from be physically removed suddenly,
driver needs to ensure btmtksdio_close is called before
btmtksdio_remove to disable interrupts and txrx workqueue.
Fixes: 6ac4233afb ("Bluetooth: btmtksdio: Prevent enabling interrupts after IRQ handler removal")
Signed-off-by: Chris Lu <chris.lu@mediatek.com>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
Check BTMTKSDIO_FUNC_ENABLED flag before doing close to prevent
btmtksdio_close been called twice.
Fixes: 6ac4233afb ("Bluetooth: btmtksdio: Prevent enabling interrupts after IRQ handler removal")
Signed-off-by: Chris Lu <chris.lu@mediatek.com>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
A NULL pointer dereference can occur in skb_dequeue() when processing a
QCA firmware crash dump on WCN7851 (0489:e0f3).
[ 93.672166] Bluetooth: hci0: ACL memdump size(589824)
[ 93.672475] BUG: kernel NULL pointer dereference, address: 0000000000000008
[ 93.672517] Workqueue: hci0 hci_devcd_rx [bluetooth]
[ 93.672598] RIP: 0010:skb_dequeue+0x50/0x80
The issue stems from handle_dump_pkt_qca() returning 0 even when a dump
packet is successfully processed. This is because it incorrectly
forwards the return value of hci_devcd_init() (which returns 0 on
success). As a result, the caller (btusb_recv_acl_qca() or
btusb_recv_evt_qca()) assumes the packet was not handled and passes it
to hci_recv_frame(), leading to premature kfree() of the skb.
Later, hci_devcd_rx() attempts to dequeue the same skb from the dump
queue, resulting in a NULL pointer dereference.
Fix this by:
1. Making handle_dump_pkt_qca() return 0 on success and negative errno
on failure, consistent with kernel conventions.
2. Splitting dump packet detection into separate functions for ACL
and event packets for better structure and readability.
This ensures dump packets are properly identified and consumed, avoiding
double handling and preventing NULL pointer access.
Fixes: 20981ce2d5 ("Bluetooth: btusb: Add WCN6855 devcoredump support")
Signed-off-by: En-Wei Wu <en-wei.wu@canonical.com>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
Reuse the skb buffer provided by the PCIe driver to pass it onto the
stack, instead of copying it to a new skb.
Fixes: c2b636b3f7 ("Bluetooth: btintel_pcie: Add support for PCIe transport")
Signed-off-by: Kiran K <kiran.k@intel.com>
Reviewed-by: Paul Menzel <pmenzel@molgen.mpg.de>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
BIG Create Sync requires the command to just generates a status so this
makes use of __hci_cmd_sync_status_sk to wait for
HCI_EVT_LE_BIG_SYNC_ESTABLISHED, also because of this chance it is not
longer necessary to use a custom method to serialize the process of
creating the BIG sync since the cmd_work_sync itself ensures only one
command would be pending which now awaits for
HCI_EVT_LE_BIG_SYNC_ESTABLISHED before proceeding to next connection.
Fixes: 42ecf19471 ("Bluetooth: ISO: Do not emit LE BIG Create Sync if previous is pending")
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
Broadcast Receiver requires creating PA sync but the command just
generates a status so this makes use of __hci_cmd_sync_status_sk to wait
for HCI_EV_LE_PA_SYNC_ESTABLISHED, also because of this chance it is not
longer necessary to use a custom method to serialize the process of
creating the PA sync since the cmd_work_sync itself ensures only one
command would be pending which now awaits for
HCI_EV_LE_PA_SYNC_ESTABLISHED before proceeding to next connection.
Fixes: 4a5e0ba686 ("Bluetooth: ISO: Do not emit LE PA Create Sync if previous is pending")
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
* Single fix for broken usage of 'multi-MIDR' infrastructure in PI
code, adding an open-coded erratum check for everyone's favorite pile
of sand: Cavium ThunderX
x86:
* Bugfixes from a planned posted interrupt rework
* Do not use kvm_rip_read() unconditionally to cater for guests
with inaccessible register state.
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm
Pull kvm fixes from Paolo Bonzini:
"ARM:
- Single fix for broken usage of 'multi-MIDR' infrastructure in PI
code, adding an open-coded erratum check for everyone's favorite
pile of sand: Cavium ThunderX
x86:
- Bugfixes from a planned posted interrupt rework
- Do not use kvm_rip_read() unconditionally to cater for guests with
inaccessible register state"
* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm:
KVM: x86: Do not use kvm_rip_read() unconditionally for KVM_PROFILING
KVM: x86: Do not use kvm_rip_read() unconditionally in KVM tracepoints
KVM: SVM: WARN if an invalid posted interrupt IRTE entry is added
iommu/amd: WARN if KVM attempts to set vCPU affinity without posted intrrupts
iommu/amd: Return an error if vCPU affinity is set for non-vCPU IRTE
KVM: x86: Take irqfds.lock when adding/deleting IRQ bypass producer
KVM: x86: Explicitly treat routing entry type changes as changes
KVM: x86: Reset IRTE to host control if *new* route isn't postable
KVM: SVM: Allocate IR data using atomic allocation
KVM: SVM: Don't update IRTEs if APICv/AVIC is disabled
KVM: arm64, x86: make kvm_arch_has_irq_bypass() inline
arm64: Rework checks for broken Cavium HW in the PI code
Since initcall_debug is a bool variable, it is not necessary to convert
it to bool with the help of a double logical negation (!!).
Remove the redundant operation.
Signed-off-by: Zihuan Zhang <zhangzihuan@kylinos.cn>
Link: https://patch.msgid.link/20250424060339.73119-1-zhangzihuan@kylinos.cn
[ rjw: Changelog rewrite ]
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
T-HEAD TH1520 SoC requires to put the GPU out of the reset state as part
of the power-up sequence.
Link: https://lore.kernel.org/linux-riscv/81e53e3a-5873-44c7-9070-5596021daa42@samsung.com/
Reviewed-by: Drew Fustini <drew@pdp7.com>
Signed-off-by: Michal Wilczynski <m.wilczynski@samsung.com>
[drew: remove hunk that included thead,th1520-reset.h]
Signed-off-by: Drew Fustini <drew@pdp7.com>
Some kfuncs specific to the idle CPU selection policy are registered in
both the scx_kfunc_ids_any and scx_kfunc_ids_idle blocks, even though
they should only be defined in the latter.
Remove the duplicates from scx_kfunc_ids_any.
Fixes: 337d1b354a ("sched_ext: Move built-in idle CPU selection policy to a separate file")
Signed-off-by: Andrea Righi <arighi@nvidia.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
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Merge tag 'block-6.15-20250424' of git://git.kernel.dk/linux
Pull block fixes from Jens Axboe:
- Fix autoloading of drivers from stat*(2)
- Fix losing read-ahead setting one suspend/resume, when a device is
re-probed.
- Fix race between setting the block size and page cache updates.
Includes a helper that a coming XFS fix will use as well.
- ublk cancelation fixes.
- ublk selftest additions and fixes.
- NVMe pull via Christoph:
- fix an out-of-bounds access in nvmet_enable_port (Richard
Weinberger)
* tag 'block-6.15-20250424' of git://git.kernel.dk/linux:
ublk: fix race between io_uring_cmd_complete_in_task and ublk_cancel_cmd
ublk: call ublk_dispatch_req() for handling UBLK_U_IO_NEED_GET_DATA
block: don't autoload drivers on blk-cgroup configuration
block: don't autoload drivers on stat
block: remove the backing_inode variable in bdev_statx
block: move blkdev_{get,put} _no_open prototypes out of blkdev.h
block: never reduce ra_pages in blk_apply_bdi_limits
selftests: ublk: common: fix _get_disk_dev_t for pre-9.0 coreutils
selftests: ublk: remove useless 'delay_us' from 'struct dev_ctx'
selftests: ublk: fix recover test
block: hoist block size validation code to a separate function
block: fix race between set_blocksize and read paths
nvmet: fix out-of-bounds access in nvmet_enable_port
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Merge tag 'io_uring-6.15-20250424' of git://git.kernel.dk/linux
Pull io_uring fixes from Jens Axboe:
- Fix an older bug for handling of fallback task_work, when the task is
exiting. Found by code inspection while reworking cancelation.
- Fix duplicate flushing in one of the CQE posting helpers.
* tag 'io_uring-6.15-20250424' of git://git.kernel.dk/linux:
io_uring: fix 'sync' handling of io_fallback_tw()
io_uring: don't duplicate flushing in io_req_post_cqe
