From 5a157d5bf8288eaa86ec269a966559594ddd542e Mon Sep 17 00:00:00 2001 From: "David S. Miller" Date: Sun, 27 Jul 2008 03:38:53 -0700 Subject: sparc: Create and use TIF_NOTIFY_RESUME. Signed-off-by: David S. Miller --- arch/sparc/kernel/signal.c | 14 +++++++++++++- 1 file changed, 13 insertions(+), 1 deletion(-) (limited to 'arch/sparc/kernel/signal.c') diff --git a/arch/sparc/kernel/signal.c b/arch/sparc/kernel/signal.c index 3fd1df9f9ba..bee6ba34e02 100644 --- a/arch/sparc/kernel/signal.c +++ b/arch/sparc/kernel/signal.c @@ -18,6 +18,7 @@ #include #include /* do_coredum */ #include +#include #include #include @@ -513,7 +514,7 @@ static inline void syscall_restart(unsigned long orig_i0, struct pt_regs *regs, * want to handle. Thus you cannot kill init even with a SIGKILL even by * mistake. */ -asmlinkage void do_signal(struct pt_regs * regs, unsigned long orig_i0) +static void do_signal(struct pt_regs *regs, unsigned long orig_i0) { struct k_sigaction ka; int restart_syscall; @@ -579,6 +580,17 @@ asmlinkage void do_signal(struct pt_regs * regs, unsigned long orig_i0) } } +void do_notify_resume(struct pt_regs *regs, unsigned long orig_i0, + unsigned long thread_info_flags) +{ + if (thread_info_flags & (_TIF_SIGPENDING | _TIF_RESTORE_SIGMASK)) + do_signal(regs, orig_i0); + if (thread_info_flags & _TIF_NOTIFY_RESUME) { + clear_thread_flag(TIF_NOTIFY_RESUME); + tracehook_notify_resume(regs); + } +} + asmlinkage int do_sys_sigstack(struct sigstack __user *ssptr, struct sigstack __user *ossptr, unsigned long sp) -- cgit v1.2.3 From b8b751bedcd00985550d84901c07eda427413e7b Mon Sep 17 00:00:00 2001 From: "David S. Miller" Date: Sun, 27 Jul 2008 03:40:53 -0700 Subject: sparc: Add call to tracehook_signal_handler(). Signed-off-by: David S. Miller --- arch/sparc/kernel/signal.c | 2 ++ 1 file changed, 2 insertions(+) (limited to 'arch/sparc/kernel/signal.c') diff --git a/arch/sparc/kernel/signal.c b/arch/sparc/kernel/signal.c index bee6ba34e02..c94f91c8b6e 100644 --- a/arch/sparc/kernel/signal.c +++ b/arch/sparc/kernel/signal.c @@ -553,6 +553,8 @@ static void do_signal(struct pt_regs *regs, unsigned long orig_i0) */ if (test_thread_flag(TIF_RESTORE_SIGMASK)) clear_thread_flag(TIF_RESTORE_SIGMASK); + + tracehook_signal_handler(signr, &info, &ka, regs, 0); return; } if (restart_syscall && -- cgit v1.2.3