Hello,
Please check whether holding the lock taken on line 604 past a failure
return of the function is what was intended.
thanks,
julia
---------- Forwarded message ----------
Date: Wed, 7 Jun 2017 15:06:38 +0800
From: kbuild test robot <fengguang.wu@xxxxxxxxx>
To: kbuild@xxxxxx
Cc: Julia Lawall <julia.lawall@xxxxxxx>
Subject: [radeon-alex:amd-mainline-hybrid-4.11 91/518]
drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c:606:4-10: preceding lock on
line 604
CC: kbuild-all@xxxxxx
CC: dri-devel@xxxxxxxxxxxxxxxxxxxxx
TO: Yong Zhao <yong.zhao@xxxxxxx>
CC: Hawking Zhang <Hawking.Zhang@xxxxxxx>
tree: git://people.freedesktop.org/~agd5f/linux.git amd-mainline-hybrid-4.11
head: 7ccf5ab3da7a87288cc0fd11910b212e4ac154a6
commit: 5d27bff92aa139d984dd7549fb40255404cacd0c [91/518] Makefile change
:::::: branch date: 2 days ago
:::::: commit date: 2 days ago
>> drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c:606:4-10: preceding lock on line 604
git remote add radeon-alex git://people.freedesktop.org/~agd5f/linux.git
git remote update radeon-alex
git checkout 5d27bff92aa139d984dd7549fb40255404cacd0c
vim +606 drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c
33f17825 Yong Zhao 2016-03-30 598
33f17825 Yong Zhao 2016-03-30 599 while (true) {
33f17825 Yong Zhao 2016-03-30 600 down_read(&mm->mmap_sem);
33f17825 Yong Zhao 2016-03-30 601 ret = amdgpu_ttm_tt_get_user_pages(bo->tbo.ttm, pages);
33f17825 Yong Zhao 2016-03-30 602 up_read(&mm->mmap_sem);
33f17825 Yong Zhao 2016-03-30 603
33f17825 Yong Zhao 2016-03-30 @604 mutex_lock(&mem->data2.lock);
33f17825 Yong Zhao 2016-03-30 605 if (ret != 0)
33f17825 Yong Zhao 2016-03-30 @606 return ret;
33f17825 Yong Zhao 2016-03-30 607
33f17825 Yong Zhao 2016-03-30 608 BUG_ON(bo != mem->data2.bo);
33f17825 Yong Zhao 2016-03-30 609
:::::: The code at line 606 was first introduced by commit
:::::: 33f17825aa7ac32c05e8df35d9b9d177af28cf91 port in all files
:::::: TO: Yong Zhao <yong.zhao@xxxxxxx>
:::::: CC: Hawking Zhang <Hawking.Zhang@xxxxxxx>
---
0-DAY kernel test infrastructure Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all Intel Corporation
_______________________________________________
dri-devel mailing list
dri-devel@xxxxxxxxxxxxxxxxxxxxx
https://lists.freedesktop.org/mailman/listinfo/dri-devel
