mirrors/linux
2
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git synced 2026-07-22 03:27:30 -04:00
Code Issues Packages Projects Releases Wiki Activity

drm/xe: Return error on non-migratable faults requiring devmem

Browse Source 
Non-migratable faults that require devmem incorrectly jump to the 'out'
label, which squashes the error code intended to be returned to the
upper layers. Fix this by returning -EACCES instead.

Reported-by: Sashiko <sashiko-bot@kernel.org>
Fixes: 4208fac3dc ("drm/xe: Add more SVM GT stats")
Cc: stable@vger.kernel.org
Signed-off-by: Matthew Brost <matthew.brost@intel.com>
Reviewed-by: Francois Dugast <francois.dugast@intel.com>
Link: https://patch.msgid.link/20260617135101.1245574-1-matthew.brost@intel.com
(cherry picked from commit c4508edb2c723de93717272488ea65b165637eac)
Signed-off-by: Thomas Hellström <thomas.hellstrom@linux.intel.com>
This commit is contained in:
Matthew Brost
2026-06-17 06:51:01 -07:00
committed by Thomas Hellström
parent ef78e2a22f
commit 136fb61ba8
1 changed files with 2 additions and 4 deletions
Download Patch File Download Diff File Expand all files Collapse all files

6
drivers/gpu/drm/xe/xe_svm.c
View File

@@ -1248,10 +1248,8 @@ static int __xe_svm_handle_pagefault(struct xe_vm *vm, struct xe_vma *vma,
xe_svm_range_fault_count_stats_incr(gt, range);
if (ctx.devmem_only && !range->base.pages.flags.migrate_devmem) {
err = -EACCES;
goto out;
}
if (ctx.devmem_only && !range->base.pages.flags.migrate_devmem)
return -EACCES;
if (xe_svm_range_is_valid(range, tile, ctx.devmem_only, dpagemap)) {
xe_svm_range_valid_fault_count_stats_incr(gt, range);