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authorDavid S. Miller <davem@davemloft.net>2008-07-27 03:38:53 -0700
committerDavid S. Miller <davem@davemloft.net>2008-07-27 17:33:37 -0700
commit5a157d5bf8288eaa86ec269a966559594ddd542e (patch)
tree0597106130ba8cb31878d13a03b32fb9d1dc8944 /arch/sparc/kernel/signal.c
parent1c133b4b3d58bf88293eeea0d9d090777333bf48 (diff)
sparc: Create and use TIF_NOTIFY_RESUME.
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'arch/sparc/kernel/signal.c')
-rw-r--r--arch/sparc/kernel/signal.c14
1 files changed, 13 insertions, 1 deletions
diff --git a/arch/sparc/kernel/signal.c b/arch/sparc/kernel/signal.c
index 3fd1df9f9ba7..bee6ba34e021 100644
--- a/arch/sparc/kernel/signal.c
+++ b/arch/sparc/kernel/signal.c
@@ -18,6 +18,7 @@
#include <linux/smp.h>
#include <linux/binfmts.h> /* do_coredum */
#include <linux/bitops.h>
+#include <linux/tracehook.h>
#include <asm/uaccess.h>
#include <asm/ptrace.h>
@@ -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)