Commit d9a69fe5 authored by Candice Li's avatar Candice Li Committed by Alex Deucher
Browse files

drm/amdgpu: Add recovery_lock to save bad pages function 



Fix race condition failure during UMC UE injection.

Signed-off-by: default avatarCandice Li <candice.li@amd.com>
Reviewed-by: default avatarTao Zhou <tao.zhou1@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 3ebd8bf0

drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c

+2 −0
Original line number Diff line number Diff line
@@ -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,