2023-08-18 12:31:09

by André Almeida

[permalink] [raw]
Subject: [PATCH v5 1/5] drm/amdgpu: Allocate coredump memory in a nonblocking way

During a GPU reset, a normal memory reclaim could block to reclaim
memory. Giving that coredump is a best effort mechanism, it shouldn't
disturb the reset path. Change its memory allocation flag to a
nonblocking one.

Signed-off-by: André Almeida <[email protected]>
Reviewed-by: Christian König <[email protected]>
---
v5: no change
---
drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
index aa171db68639..bf4781551f88 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
@@ -4847,7 +4847,7 @@ static void amdgpu_reset_capture_coredumpm(struct amdgpu_device *adev)
struct drm_device *dev = adev_to_drm(adev);

ktime_get_ts64(&adev->reset_time);
- dev_coredumpm(dev->dev, THIS_MODULE, adev, 0, GFP_KERNEL,
+ dev_coredumpm(dev->dev, THIS_MODULE, adev, 0, GFP_NOWAIT,
amdgpu_devcoredump_read, amdgpu_devcoredump_free);
}
#endif
--
2.41.0