public-mirrors/linux
1
0
Fork 0
mirror of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git synced 2025-08-05 16:54:27 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions

drm/amdgpu: Add recovery_lock to save bad pages function

Browse source 
Fix race condition failure during UMC UE injection.

Signed-off-by: Candice Li <candice.li@amd.com>
Reviewed-by: Tao Zhou <tao.zhou1@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Candice Li 2021-11-16 14:13:11 +08:00 • committed by Alex Deucher
parent 3ebd8bf023
commit d9a69fe512
1 changed files with 2 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

2
drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c
View file

@ -1935,9 +1935,11 @@ int amdgpu_ras_save_bad_pages(struct amdgpu_device *adev)
if (!con || !con->eh_data)
return 0;
mutex_lock(&con->recovery_lock);
control = &con->eeprom_control;
data = con->eh_data;
save_count = data->count - control->ras_num_recs;
mutex_unlock(&con->recovery_lock);
/* only new entries are saved */
if (save_count > 0) {
if (amdgpu_ras_eeprom_append(control,