Commit 444d7857 authored by Matthew Brost's avatar Matthew Brost
Browse files

drm/xe: Make usm.asid_to_vm allocation use GFP_NOWAIT 



Ensure the asid_to_vm lookup is reclaim-safe so it can be performed
during TLB invalidations, which is necessary for context-based TLB
invalidation support.

Signed-off-by: default avatarMatthew Brost <matthew.brost@intel.com>
Reviewed-by: default avatarStuart Summers <stuart.summers@intel.com>
Tested-by: default avatarStuart Summers <stuart.summers@intel.com>
Link: https://patch.msgid.link/20260116221731.868657-3-matthew.brost@intel.com
parent 888c7f99

drivers/gpu/drm/xe/xe_vm.c

+1 −1
Original line number Diff line number Diff line
@@ -1653,7 +1653,7 @@ struct xe_vm *xe_vm_create(struct xe_device *xe, u32 flags, struct xe_file *xef) 
		down_write(&xe->usm.lock);

		err = xa_alloc_cyclic(&xe->usm.asid_to_vm, &asid, vm,

				      XA_LIMIT(1, XE_MAX_ASID - 1),

				      &xe->usm.next_asid, GFP_KERNEL);

				      &xe->usm.next_asid, GFP_NOWAIT);

		up_write(&xe->usm.lock);

		if (err < 0)

			goto err_close;