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authorHillf Danton <hdanton@sina.com>2020-04-08 18:59:24 +0300
committerLinus Torvalds <torvalds@linux-foundation.org>2020-04-08 19:05:58 +0300
commitae46d2aa6a7fbe8ca0946f24b061b6ccdc6c3f25 (patch)
tree63df67653103289f0031d7956366af45ad01fe64 /drivers/hv
parentf5e94d10e4c468357019e5c28d48499f677b284f (diff)
downloadlinux-ae46d2aa6a7fbe8ca0946f24b061b6ccdc6c3f25.tar.xz
mm/gup: Let __get_user_pages_locked() return -EINTR for fatal signal
__get_user_pages_locked() will return 0 instead of -EINTR after commit 4426e945df588 ("mm/gup: allow VM_FAULT_RETRY for multiple times") which added extra code to allow gup detect fatal signal faster. Restore the original -EINTR behavior. Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Peter Zijlstra <peterz@infradead.org> Fixes: 4426e945df58 ("mm/gup: allow VM_FAULT_RETRY for multiple times") Reported-by: syzbot+3be1a33f04dc782e9fd5@syzkaller.appspotmail.com Signed-off-by: Hillf Danton <hdanton@sina.com> Acked-by: Michal Hocko <mhocko@suse.com> Signed-off-by: Peter Xu <peterx@redhat.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers/hv')
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