forked from Minki/linux
parisc: add support for TIF_NOTIFY_SIGNAL
Wire up TIF_NOTIFY_SIGNAL handling for parisc. Cc: linux-parisc@vger.kernel.org Acked-by: Helge Deller <deller@gmx.de> Signed-off-by: Jens Axboe <axboe@kernel.dk>
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18cb328128
@ -52,6 +52,7 @@ struct thread_info {
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#define TIF_POLLING_NRFLAG 3 /* true if poll_idle() is polling TIF_NEED_RESCHED */
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#define TIF_32BIT 4 /* 32 bit binary */
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#define TIF_MEMDIE 5 /* is terminating due to OOM killer */
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#define TIF_NOTIFY_SIGNAL 6 /* signal notifications exist */
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#define TIF_SYSCALL_AUDIT 7 /* syscall auditing active */
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#define TIF_NOTIFY_RESUME 8 /* callback before returning to user */
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#define TIF_SINGLESTEP 9 /* single stepping? */
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@ -61,6 +62,7 @@ struct thread_info {
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#define _TIF_SYSCALL_TRACE (1 << TIF_SYSCALL_TRACE)
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#define _TIF_SIGPENDING (1 << TIF_SIGPENDING)
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#define _TIF_NOTIFY_SIGNAL (1 << TIF_NOTIFY_SIGNAL)
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#define _TIF_NEED_RESCHED (1 << TIF_NEED_RESCHED)
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#define _TIF_POLLING_NRFLAG (1 << TIF_POLLING_NRFLAG)
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#define _TIF_32BIT (1 << TIF_32BIT)
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@ -72,7 +74,7 @@ struct thread_info {
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#define _TIF_SYSCALL_TRACEPOINT (1 << TIF_SYSCALL_TRACEPOINT)
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#define _TIF_USER_WORK_MASK (_TIF_SIGPENDING | _TIF_NOTIFY_RESUME | \
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_TIF_NEED_RESCHED)
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_TIF_NEED_RESCHED | _TIF_NOTIFY_SIGNAL)
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#define _TIF_SYSCALL_TRACE_MASK (_TIF_SYSCALL_TRACE | _TIF_SINGLESTEP | \
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_TIF_BLOCKSTEP | _TIF_SYSCALL_AUDIT | \
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_TIF_SECCOMP | _TIF_SYSCALL_TRACEPOINT)
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@ -603,7 +603,8 @@ do_signal(struct pt_regs *regs, long in_syscall)
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void do_notify_resume(struct pt_regs *regs, long in_syscall)
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{
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if (test_thread_flag(TIF_SIGPENDING))
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if (test_thread_flag(TIF_SIGPENDING) ||
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test_thread_flag(TIF_NOTIFY_SIGNAL))
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do_signal(regs, in_syscall);
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if (test_thread_flag(TIF_NOTIFY_RESUME))
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