Sunil Khatri 0978406224 drm/amdgpu: use atomic operation to achieve lockless serialization ...

In amdgpu_seq64_alloc there is a possibility that two difference cores
from two separate NODES can try to and could get the same free slot.
So this fixes that race here using atomic test_and_set clear operations.

Signed-off-by: Sunil Khatri <sunil.khatri@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
(cherry picked from commit 4d50a14d346141e03a7c3905e496d91e048bc30c)

2026-05-19 12:11:34 -04:00

..

drm

drm/amdgpu: use atomic operation to achieve lockless serialization

2026-05-19 12:11:34 -04:00

host1x

gpu: host1x: convert MIPI to use operation function pointers

2026-03-19 08:18:36 +01:00

ipu-v3

Convert 'alloc_obj' family to use the new default GFP_KERNEL argument

2026-02-21 17:09:51 -08:00

nova-core

Merge tag 'drm-next-2026-04-15' of https://gitlab.freedesktop.org/drm/kernel

2026-04-15 08:45:00 -07:00

tests

gpu/tests/gpu_buddy: Add gpu_test_buddy_alloc_range for exact-range allocation

2026-03-09 13:58:12 +05:30

trace

…

vga

Convert 'alloc_obj' family to use the new default GFP_KERNEL argument

2026-02-21 17:09:51 -08:00

buddy.c

drm/buddy: Improve offset-aligned allocation handling

2026-03-09 12:36:10 +05:30

Kconfig

gpu: Move DRM buddy allocator one level up (part two)

2026-02-06 11:38:35 +10:00

Makefile

gpu: Fix uninitialized buddy for built-in drivers

2026-02-24 13:40:59 +10:00