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TDRPJJl7ZXTkrBy4ji4aSdiCYZUND7WgI97XPvUBmJdHSdncMWJh3gCSDbnDVRRWu1yYl0QmV6+QDmbniO7SS93U7FrdaB26SAtY2aioy9EIA1iy/d0sZVBtWUHCdSBKxUaWBMZH2NFMBCJ9hSCAXnu3pX8Uargl327ManpDz1U/+pY/8JTQZfMjODJ/nlQA2vnnD8NxVbrzMLRf86jktoZKxZg3DpQdrePrw5M6CCDFkCHQeJzEi3ciIZG0Og4Wh+8q7WwMn63cbzDNtKAoKin3cAJ1bOvi7XfH5risd5Vx/iAypcumMCfj7I53g8mBpNErAKNg1jjhNGfezogtn365T6GPn5kZuwd//OjRIDW3sRU4ikEzDOwYBphGpS4m8Hw2FIjFt1CG0K4m23LTpHzM3K351UHvrLTNGElq30FEBtq0edE5bZnW8KzwmbAkY8HJaa5Xgz5jaRIqkj1vQMjsums/z1oVa5CJyPHvHysjnMDw= 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: On 1/4/26 22:17, Mikulas Patocka wrote: > If the process was killed by a fatal signal, amdgpu_hmm_register could > return -EINTR (the -EINTR comes from mm_take_all_locks). > > Don't log the error in this case, because no error happened. > > Signed-off-by: Mikulas Patocka > > --- > drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c | 9 +++++++-- > 1 file changed, 7 insertions(+), 2 deletions(-) > > Index: mm/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c > =================================================================== > --- mm.orig/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c 2026-01-04 21:19:14.000000000 +0100 > +++ mm/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c 2026-01-04 21:19:14.000000000 +0100 > @@ -1070,8 +1070,13 @@ 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 we got EINTR because the process was killed, don't report > + * it, because no error happened. > + */ > + if (!(fatal_signal_pending(current) && ret == -EINTR)) The usually approach is to check the return value only. > + pr_err("%s: Failed to register MMU notifier: %d\n", > + __func__, ret); But in this particular case just remove the pr_err(), it seems completely superfluous to me. The only reasonable user error here is that we run out of memory and that is noted in syslog quite extensively anyway. Regards, Christian. > goto out; > } > >