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authorKirill Artamonov <kartamonov@nvidia.com>2011-06-26 21:37:18 +0300
committerAnnamaria Pyreddy <apyreddy@nvidia.com>2011-08-19 16:43:42 -0700
commit48d10f659a21fd6d0dff5e073663f9689b549db4 (patch)
treed54fa117c1c2918a1678320247e496cce5ee9d92 /fs/ext2
parent9d650429b634914e0705c37d84a9cfa44375391a (diff)
video: tegra: nvmap: fix GART pin lockupstegra-10.11.14
Fix GART lockups caused by fragmentation by evicting mapped areas from iovm space after unsuccessful array pinning attempt. Fix double unpin error happening during interrupted submit. Fix possible sleep in atomic context in iovmm code (semaphore inside spinlock) by replacing spinlock with mutex. Fix race between handle_unpin and pin_handle. bug 838579 bug 838073 bug 818058 bug 844307 Conflicts: drivers/video/tegra/nvmap/nvmap_mru.c Reviewed-on: http://git-master/r/38430 (cherry picked from commit 4a4cae3323d3287e77fdc504e38656974ef24848) Change-Id: I385913569ef455a1ceb5083829959de24f5309a7 Reviewed-on: http://git-master/r/47832 Reviewed-by: Andre Sihera <asihera@nvidia.com> Tested-by: Andre Sihera <asihera@nvidia.com> Reviewed-by: Kirill Artamonov <kartamonov@nvidia.com> Reviewed-by: Bharat Nihalani <bnihalani@nvidia.com>
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