Commit 191f8453 authored by Jens Axboe's avatar Jens Axboe

ARM: renumber bits related to _TIF_WORK_MASK

We want to ensure that the mask related to calling do_work_pending()
is within the first 16 bits. Move bits unrelated to that outside of
that range, to avoid spuriously calling do_work_pending() when we don't
need to.

Cc: stable@vger.kernel.org
Fixes: 32d59773 ("arm: add support for TIF_NOTIFY_SIGNAL")
Reported-and-tested-by: default avatarHui Tang <tanghui20@huawei.com>
Suggested-by: default avatarRussell King (Oracle) <linux@armlinux.org.uk>
Link: https://lore.kernel.org/lkml/7ecb8f3c-2aeb-a905-0d4a-aa768b9649b5@huawei.com/Signed-off-by: default avatarJens Axboe <axboe@kernel.dk>
parent 69b41ac8
......@@ -128,15 +128,16 @@ extern int vfp_restore_user_hwstate(struct user_vfp *,
#define TIF_NEED_RESCHED 1 /* rescheduling necessary */
#define TIF_NOTIFY_RESUME 2 /* callback before returning to user */
#define TIF_UPROBE 3 /* breakpointed or singlestepping */
#define TIF_SYSCALL_TRACE 4 /* syscall trace active */
#define TIF_SYSCALL_AUDIT 5 /* syscall auditing active */
#define TIF_SYSCALL_TRACEPOINT 6 /* syscall tracepoint instrumentation */
#define TIF_SECCOMP 7 /* seccomp syscall filtering active */
#define TIF_NOTIFY_SIGNAL 8 /* signal notifications exist */
#define TIF_NOTIFY_SIGNAL 4 /* signal notifications exist */
#define TIF_USING_IWMMXT 17
#define TIF_MEMDIE 18 /* is terminating due to OOM killer */
#define TIF_RESTORE_SIGMASK 20
#define TIF_RESTORE_SIGMASK 19
#define TIF_SYSCALL_TRACE 20 /* syscall trace active */
#define TIF_SYSCALL_AUDIT 21 /* syscall auditing active */
#define TIF_SYSCALL_TRACEPOINT 22 /* syscall tracepoint instrumentation */
#define TIF_SECCOMP 23 /* seccomp syscall filtering active */
#define _TIF_SIGPENDING (1 << TIF_SIGPENDING)
#define _TIF_NEED_RESCHED (1 << TIF_NEED_RESCHED)
......
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