drm/amd/ras: copy ras log data instead of referencing pointers

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When generating ras cper file, the original data nodes in the ras
log ring buffer may be deleted, leading to invalid pointer
access. Copy the data from the ras log ring instead of directly
referencing the pointers to avoid this issue.

Signed-off-by: YiPeng Chai <YiPeng.Chai@amd.com>
Reviewed-by: Tao Zhou <tao.zhou1@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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This commit is contained in:

YiPeng Chai 2026-05-19 13:47:34 +08:00 • committed by Alex Deucher

parent d1f9f5839b

commit 90b0cbcba1

6 changed files with 58 additions and 43 deletions

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12

drivers/gpu/drm/amd/ras/ras_mgr/amdgpu_virt_ras_cmd.c

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42

drivers/gpu/drm/amd/ras/rascore/ras_cmd.c

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20

drivers/gpu/drm/amd/ras/rascore/ras_cper.c

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2

drivers/gpu/drm/amd/ras/rascore/ras_cper.h

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23

drivers/gpu/drm/amd/ras/rascore/ras_log_ring.c

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2

drivers/gpu/drm/amd/ras/rascore/ras_log_ring.h

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