diff options
| author | Candice Li <candice.li@amd.com> | 2021-11-16 14:13:11 +0800 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2021-11-22 14:45:02 -0500 |
| commit | d9a69fe512c5f032556764041760e8d5098fac26 (patch) | |
| tree | c27a8d114f6d2b9e57ac9978cf906e1482851a1c /drivers/gpu/drm/amd/amdgpu | |
| parent | 3ebd8bf02380ddc32556ee87077db3917ccff40c (diff) | |
| download | linux-d9a69fe512c5f032556764041760e8d5098fac26.tar.bz2 | |
drm/amdgpu: Add recovery_lock to save bad pages function
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>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c index 08133de21fdd..53b957a5b9a6 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c @@ -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, |