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Howlett" , Lorenzo Stoakes , Alex Deucher , =?UTF-8?q?Christian=20K=C3=B6nig?= , David Hildenbrand , amd-gfx@lists.freedesktop.org, linux-mm@kvack.org, Vlastimil Babka , Jann Horn , Mikulas Patocka Subject: [PATCH v4 2/2] amdgpu: delete the "Failed to register MMU notifier" message References: <20260107203113.690118053@debian4.vm> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 3.4.1 on 10.30.177.93 X-Mimecast-Spam-Score: 0 X-Mimecast-MFC-PROC-ID: TggXv5OKyuEByUSn_loSioTXr_yJVoXCD1EcWGtTHSM_1767817956 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset=UTF-8 X-Rspam-User: X-Rspamd-Queue-Id: 0BC4B120006 X-Rspamd-Server: rspam04 X-Stat-Signature: f37zkgogg3da4x4rqwixi6ixxypaciwo X-HE-Tag: 1767817963-400237 X-HE-Meta: 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 H08pVUZO xhDOGZetTgTcT9V3jrSPhCw0dK5XJ2Mp6p04dqLpYj79WRaht/MyPTsp0z0F1B+/TPoOdZC8DWmc0M2ho2Y3kp1hUIrKymd2ZgXmElza+S1mIfbqJ8tD9pDce+Ykw37vnGXpc4AFo2jDL6N8bMjbChmko5UtTyOnDKxX3mBxFBp4BnLNs861Id2aq7xNDU+0/NJ5LR8FbVLMReZoJcWSLWviUsV+HwjcjIOxvS5biNf1Mu4bi16AvtGDPo2C8fMYe8wllHaBpNUXkNiff0z8KHiiIo/k57+cQLqCvuqsNbQY7KSHL4imW3DoEflIJfFAmd5HgKDyKsR960r6usX2OdwEhCRTzW9fgdAOW0HgiyUW+UIekp7PeqNVjiOQUEXFGFtpS X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: This error may happen if mm_take_all_locks was interrupted by a signal - the userspace will retry an ioctl that returned -EINTR, so there is no need to report it to the syslog. Christian König suggested to remove this message at all, so let's do it. Signed-off-by: Mikulas Patocka --- drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c | 5 +---- 1 file changed, 1 insertion(+), 4 deletions(-) Index: mm/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c =================================================================== --- mm.orig/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c 2026-01-07 20:09:51.000000000 +0100 +++ mm/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c 2026-01-07 20:12:11.000000000 +0100 @@ -1069,11 +1069,8 @@ static int init_user_pages(struct kgd_me } ret = amdgpu_hmm_register(bo, user_addr); - if (ret) { - pr_err("%s: Failed to register MMU notifier: %d\n", - __func__, ret); + if (ret) goto out; - } if (criu_resume) { /*