Intel-XE Archive on lore.kernel.org
 help / color / mirror / Atom feed
From: Matthew Brost <matthew.brost@intel.com>
To: intel-xe@lists.freedesktop.org
Cc: himal.prasad.ghimiray@intel.com
Subject: [PATCH] drm/xe: Do not kill VM in PT code on -ENODATA
Date: Fri, 13 Jun 2025 16:18:08 -0700	[thread overview]
Message-ID: <20250613231808.752616-1-matthew.brost@intel.com> (raw)

No need kill on -ENODATA as is this non-fatal error can occur when MMU
notifiers race with prefetches.

Fixes: 09ba0a8f06cd ("drm/xe/svm: Implement prefetch support for SVM ranges")
Cc: stable@vger.kernel.org
Signed-off-by: Matthew Brost <matthew.brost@intel.com>
---
 drivers/gpu/drm/xe/xe_pt.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/xe/xe_pt.c b/drivers/gpu/drm/xe/xe_pt.c
index f39d5cc9f411..971e55fd0061 100644
--- a/drivers/gpu/drm/xe/xe_pt.c
+++ b/drivers/gpu/drm/xe/xe_pt.c
@@ -2524,7 +2524,7 @@ xe_pt_update_ops_run(struct xe_tile *tile, struct xe_vma_ops *vops)
 	kfree(mfence);
 	kfree(ifence);
 kill_vm_tile1:
-	if (err != -EAGAIN && tile->id)
+	if (err != -EAGAIN && err != -ENODATA && tile->id)
 		xe_vm_kill(vops->vm, false);
 
 	return ERR_PTR(err);
-- 
2.34.1


             reply	other threads:[~2025-06-13 23:16 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-06-13 23:18 Matthew Brost [this message]
2025-06-14  2:30 ` ✓ CI.KUnit: success for drm/xe: Do not kill VM in PT code on -ENODATA Patchwork
2025-06-14  3:07 ` ✓ Xe.CI.BAT: " Patchwork
2025-06-16  4:17 ` [PATCH] " Ghimiray, Himal Prasad
2025-06-16  7:00 ` ✓ Xe.CI.Full: success for " Patchwork

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20250613231808.752616-1-matthew.brost@intel.com \
    --to=matthew.brost@intel.com \
    --cc=himal.prasad.ghimiray@intel.com \
    --cc=intel-xe@lists.freedesktop.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body. 
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox