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Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
microblaze: add support for TIF_NOTIFY_SIGNAL
Wire up TIF_NOTIFY_SIGNAL handling for microblaze.
Acked-by: Michal Simek <michal.simek@xilinx.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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arch/microblaze/include/asm/thread_info.h
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arch/microblaze/include/asm/thread_info.h
···
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#define TIF_NEED_RESCHED 3 /* rescheduling necessary */
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/* restore singlestep on return to user mode */
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#define TIF_SINGLESTEP 4
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#define TIF_NOTIFY_SIGNAL 5 /* signal notifications exist */
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#define TIF_MEMDIE 6 /* is terminating due to OOM killer */
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#define TIF_SYSCALL_AUDIT 9 /* syscall auditing active */
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#define TIF_SECCOMP 10 /* secure computing */
···
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#define _TIF_SIGPENDING (1 << TIF_SIGPENDING)
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#define _TIF_NEED_RESCHED (1 << TIF_NEED_RESCHED)
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#define _TIF_SINGLESTEP (1 << TIF_SINGLESTEP)
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#define _TIF_NOTIFY_SIGNAL (1 << TIF_NOTIFY_SIGNAL)
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#define _TIF_POLLING_NRFLAG (1 << TIF_POLLING_NRFLAG)
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#define _TIF_SYSCALL_AUDIT (1 << TIF_SYSCALL_AUDIT)
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#define _TIF_SECCOMP (1 << TIF_SECCOMP)
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arch/microblaze/kernel/signal.c
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arch/microblaze/kernel/signal.c
···
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asmlinkage void do_notify_resume(struct pt_regs *regs, int 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))