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authorGleb Fotengauer-Malinovskiy <glebfm@altlinux.org>2021-06-25 20:36:55 +0300
committerLinus Torvalds <torvalds@linux-foundation.org>2021-06-25 10:53:26 -0700
commit808e9df477757955a9644ca323010339be0c40ee (patch)
tree3788dfa060a6d7be79d0a4a3d12697fa7b79b8ad /fs
parent55fcd4493da5ac8a0f7a0b3b5ae8448aee2041bb (diff)
userfaultfd: uapi: fix UFFDIO_CONTINUE ioctl request definition
This ioctl request reads from uffdio_continue structure written by userspace which justifies _IOC_WRITE flag. It also writes back to that structure which justifies _IOC_READ flag. See NOTEs in include/uapi/asm-generic/ioctl.h for more information. Fixes: f619147104c8 ("userfaultfd: add UFFDIO_CONTINUE ioctl") Signed-off-by: Gleb Fotengauer-Malinovskiy <glebfm@altlinux.org> Acked-by: Peter Xu <peterx@redhat.com> Reviewed-by: Axel Rasmussen <axelrasmussen@google.com> Reviewed-by: Dmitry V. Levin <ldv@altlinux.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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