Re: [PATCH] drm/xe/ufence: ufence can be signaled right after wait_woken

[Nirmoy Das <nirmoy.das@intel.com>]

On 10/11/2024 3:25 PM, Nirmoy Das wrote:
> do_comapre() can return success after wait_woken() which is treated as
> -ETIME here.

s/after wait_woken()/after timedout wait_woken()

I will resend with that change.

>
> Fixes: e670f0b4ef24 ("drm/xe/uapi: Return correct error code for xe_wait_user_fence_ioctl")
> Cc: <stable@vger.kernel.org> # v6.8+
> Cc: Bommu Krishnaiah <krishnaiah.bommu@intel.com>
> Link: https://gitlab.freedesktop.org/drm/xe/kernel/-/issues/1630
> Cc: Matthew Auld <matthew.auld@intel.com>
> Cc: Matthew Brost <matthew.brost@intel.com>
> Signed-off-by: Nirmoy Das <nirmoy.das@intel.com>
> ---
>  drivers/gpu/drm/xe/xe_wait_user_fence.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/xe/xe_wait_user_fence.c b/drivers/gpu/drm/xe/xe_wait_user_fence.c
> index d46fa8374980..d532283d4aa3 100644
> --- a/drivers/gpu/drm/xe/xe_wait_user_fence.c
> +++ b/drivers/gpu/drm/xe/xe_wait_user_fence.c
> @@ -169,7 +169,7 @@ int xe_wait_user_fence_ioctl(struct drm_device *dev, void *data,
>  			args->timeout = 0;
>  	}
>  
> -	if (!timeout && !(err < 0))
> +	if (!timeout && err < 0)
>  		err = -ETIME;
>  
>  	if (q)