diff options
| author | Arunpravin Paneer Selvam <Arunpravin.PaneerSelvam@amd.com> | 2025-04-09 11:18:26 +0530 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2025-05-13 13:39:20 -0400 |
| commit | 218caca4ba2fbdd244478b851a8c9af523e9d8bd (patch) | |
| tree | 7486923378df2c9ce2b641a6897d44ae2e2b8724 /scripts/generate_rust_analyzer.py | |
| parent | 9a9c3e1fe5256da14a0a307dff0478f90c55fc8c (diff) | |
drm/amdgpu/userq: Fix lock contention in userq fence
Fix lockdep warnings.
[ +0.000637] ================================
[ +0.000004] WARNING: inconsistent lock state
[ +0.000004] 6.12.0+ #18 Tainted: G W OE
[ +0.000004] --------------------------------
[ +0.000004] inconsistent {IN-HARDIRQ-W} -> {HARDIRQ-ON-W} usage.
[ +0.000004] Xwayland/1952 [HC0[0]:SC0[0]:HE1:SE1] takes:
[ +0.000005] ffff8884636f4740 (&fence_drv->fence_list_lock){?...}-{2:2}, at: amdgpu_userq_fence_driver_destroy+0xb8/0x540 [amdgpu]
[ +0.000208] {IN-HARDIRQ-W} state was registered at:
[ +0.000004] lock_acquire.part.0+0x116/0x360
[ +0.000005] lock_acquire+0x7c/0xc0
[ +0.000005] _raw_spin_lock+0x2f/0x60
[ +0.000005] amdgpu_userq_fence_driver_process+0x75/0x400 [amdgpu]
[ +0.000185] gfx_v12_0_eop_irq+0x29f/0x420 [amdgpu]
[ +0.000210] amdgpu_irq_dispatch+0x2a4/0x7b0 [amdgpu]
[ +0.000191] amdgpu_ih_process+0x1e1/0x3d0 [amdgpu]
[ +0.000185] amdgpu_irq_handler+0x28/0xc0 [amdgpu]
[ +0.000183] __handle_irq_event_percpu+0x1bb/0x590
[ +0.000005] handle_irq_event+0xab/0x1d0
[ +0.000005] handle_edge_irq+0x1fd/0xc10
[ +0.000005] __common_interrupt+0x83/0x190
[ +0.000004] common_interrupt+0xb1/0xe0
[ +0.000005] asm_common_interrupt+0x27/0x40
[ +0.000004] cpuidle_enter_state+0x2ba/0x530
[ +0.000005] cpuidle_enter+0x4f/0xb0
[ +0.000006] call_cpuidle+0x46/0xd0
[ +0.000005] do_idle+0x367/0x430
[ +0.000004] cpu_startup_entry+0x58/0x70
[ +0.000005] start_secondary+0x224/0x2b0
[ +0.000005] common_startup_64+0x13e/0x141
[ +0.000005] irq event stamp: 88271
[ +0.000004] hardirqs last enabled at (88271): [<ffffffffad9ca7a1>] _raw_spin_unlock_irqrestore+0x51/0x80
[ +0.000005] hardirqs last disabled at (88270): [<ffffffffad9ca424>] _raw_spin_lock_irqsave+0x74/0x80
[ +0.000005] softirqs last enabled at (87858): [<ffffffffaa67377e>] __irq_exit_rcu+0x17e/0x1d0
[ +0.000005] softirqs last disabled at (87849): [<ffffffffaa67377e>] __irq_exit_rcu+0x17e/0x1d0
[ +0.000005]
other info that might help us debug this:
[ +0.000004] Possible unsafe locking scenario:
[ +0.000003] CPU0
[ +0.000004] ----
[ +0.000003] lock(&fence_drv->fence_list_lock);
v2:
Drop fence_list_flags and use xa_lock_irqsave() flags parameter (Christian)
Fix merge conflicts.
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>
Diffstat (limited to 'scripts/generate_rust_analyzer.py')
0 files changed, 0 insertions, 0 deletions