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-rw-r--r--arch/powerpc/kernel/signal.c23
1 files changed, 20 insertions, 3 deletions
diff --git a/arch/powerpc/kernel/signal.c b/arch/powerpc/kernel/signal.c
index 7aada783ec6..a54405ebd7b 100644
--- a/arch/powerpc/kernel/signal.c
+++ b/arch/powerpc/kernel/signal.c
@@ -9,7 +9,7 @@
* this archive for more details.
*/
-#include <linux/ptrace.h>
+#include <linux/tracehook.h>
#include <linux/signal.h>
#include <asm/uaccess.h>
#include <asm/unistd.h>
@@ -112,7 +112,7 @@ static void check_syscall_restart(struct pt_regs *regs, struct k_sigaction *ka,
}
}
-int do_signal(sigset_t *oldset, struct pt_regs *regs)
+static int do_signal_pending(sigset_t *oldset, struct pt_regs *regs)
{
siginfo_t info;
int signr;
@@ -147,7 +147,7 @@ int do_signal(sigset_t *oldset, struct pt_regs *regs)
*/
if (current->thread.dabr) {
set_dabr(current->thread.dabr);
-#if defined(CONFIG_44x) || defined(CONFIG_BOOKE)
+#if defined(CONFIG_BOOKE)
mtspr(SPRN_DBCR0, current->thread.dbcr0);
#endif
}
@@ -177,11 +177,28 @@ int do_signal(sigset_t *oldset, struct pt_regs *regs)
* its frame, and we can clear the TLF_RESTORE_SIGMASK flag.
*/
current_thread_info()->local_flags &= ~_TLF_RESTORE_SIGMASK;
+
+ /*
+ * Let tracing know that we've done the handler setup.
+ */
+ tracehook_signal_handler(signr, &info, &ka, regs,
+ test_thread_flag(TIF_SINGLESTEP));
}
return ret;
}
+void do_signal(struct pt_regs *regs, unsigned long thread_info_flags)
+{
+ if (thread_info_flags & _TIF_SIGPENDING)
+ do_signal_pending(NULL, regs);
+
+ if (thread_info_flags & _TIF_NOTIFY_RESUME) {
+ clear_thread_flag(TIF_NOTIFY_RESUME);
+ tracehook_notify_resume(regs);
+ }
+}
+
long sys_sigaltstack(const stack_t __user *uss, stack_t __user *uoss,
unsigned long r5, unsigned long r6, unsigned long r7,
unsigned long r8, struct pt_regs *regs)