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um: add TIF_NOTIFY_RESUME
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
parent
3b7d15bde5
commit
d50349b0c3
2 changed files with 8 additions and 1 deletions
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@ -71,6 +71,7 @@ static inline struct thread_info *current_thread_info(void)
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#define TIF_MEMDIE 5 /* is terminating due to OOM killer */
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#define TIF_SYSCALL_AUDIT 6
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#define TIF_RESTORE_SIGMASK 7
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#define TIF_NOTIFY_RESUME 8
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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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@ -18,6 +18,7 @@
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#include <linux/seq_file.h>
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#include <linux/tick.h>
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#include <linux/threads.h>
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#include <linux/tracehook.h>
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#include <asm/current.h>
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#include <asm/pgtable.h>
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#include <asm/mmu_context.h>
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@ -114,8 +115,13 @@ void interrupt_end(void)
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{
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if (need_resched())
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schedule();
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if (test_tsk_thread_flag(current, TIF_SIGPENDING))
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if (test_thread_flag(TIF_SIGPENDING))
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do_signal();
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if (test_and_clear_thread_flag(TIF_NOTIFY_RESUME)) {
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tracehook_notify_resume(¤t->thread.regs);
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if (current->replacement_session_keyring)
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key_replace_session_keyring();
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}
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}
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void exit_thread(void)
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