Messages in this thread Patch in this message |  | | From | Oded Gabbay <> | Subject | [PATCH 3/4] habanalabs: better error print for pin failure | Date | Sun, 2 May 2021 18:51:39 +0300 |
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Print the user given pointer and error code on failure to get user pages for easier debugging.
Signed-off-by: Oded Gabbay <ogabbay@kernel.org> --- drivers/misc/habanalabs/common/memory.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/misc/habanalabs/common/memory.c b/drivers/misc/habanalabs/common/memory.c index 43924e1c0315..a7a8984e6af2 100644 --- a/drivers/misc/habanalabs/common/memory.c +++ b/drivers/misc/habanalabs/common/memory.c @@ -1612,7 +1612,8 @@ static int get_user_memory(struct hl_device *hdev, u64 addr, u64 size, if (rc != npages) { dev_err(hdev->dev, - "Failed to map host memory, user ptr probably wrong\n"); + "Failed (%d) to pin host memory with user ptr 0x%llx\n", + rc, addr); if (rc < 0) goto destroy_pages; npages = rc; -- 2.25.1
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