Re: [PATCH 0/2] Silence allocation warnings for sync arrays

["Thomas Hellström" <thomas.hellstrom@linux.intel.com>]

On Thu, 2025-11-20 at 23:42 +0000, Shuicheng Lin wrote:
> Suppress allocation warning as driver already return -ENOMEM safely.

Even if the driver returns -ENOMEM, in practice a malicious user could
allocate most or all of system memory. 

So IMO we need to restrict num_syncs to some reasonable number, and if
the allocation is persistent we should add __GFP_ACCOUNT.

/Thomas


> 
> Shuicheng Lin (2):
>   drm/xe: Silence allocation warnings for sync arrays
>   drm/xe/oa: Silence allocation warnings for sync arrays
> 
>  drivers/gpu/drm/xe/xe_exec.c | 3 ++-
>  drivers/gpu/drm/xe/xe_oa.c   | 3 ++-
>  drivers/gpu/drm/xe/xe_vm.c   | 3 ++-
>  3 files changed, 6 insertions(+), 3 deletions(-)
>