aboutsummaryrefslogtreecommitdiff
path: root/arch/s390
diff options
context:
space:
mode:
authorAl Viro <viro@zeniv.linux.org.uk>2012-05-21 23:42:15 -0400
committerAl Viro <viro@zeniv.linux.org.uk>2012-06-01 12:58:49 -0400
commita610d6e672d6d3723e8da257ad4a8a288a8f2f89 (patch)
tree2fac6ce7f72756771f4f87583205cc402589dcad /arch/s390
parent5754f412a3f107cbcd93ee125bef296f2a07539b (diff)
downloadlinux-linaro-stable-a610d6e672d6d3723e8da257ad4a8a288a8f2f89.tar.gz
pull clearing RESTORE_SIGMASK into block_sigmask()
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'arch/s390')
-rw-r--r--arch/s390/kernel/compat_signal.c10
-rw-r--r--arch/s390/kernel/entry.h2
-rw-r--r--arch/s390/kernel/signal.c32
3 files changed, 19 insertions, 25 deletions
diff --git a/arch/s390/kernel/compat_signal.c b/arch/s390/kernel/compat_signal.c
index 377c096ca4a7..233db1d68eee 100644
--- a/arch/s390/kernel/compat_signal.c
+++ b/arch/s390/kernel/compat_signal.c
@@ -572,7 +572,7 @@ give_sigsegv:
* OK, we're invoking a handler
*/
-int handle_signal32(unsigned long sig, struct k_sigaction *ka,
+void handle_signal32(unsigned long sig, struct k_sigaction *ka,
siginfo_t *info, sigset_t *oldset, struct pt_regs *regs)
{
int ret;
@@ -583,8 +583,12 @@ int handle_signal32(unsigned long sig, struct k_sigaction *ka,
else
ret = setup_frame32(sig, ka, oldset, regs);
if (ret)
- return ret;
+ return;
block_sigmask(ka, sig);
- return 0;
+ /*
+ * Let tracing know that we've done the handler setup.
+ */
+ tracehook_signal_handler(sig, info, ka, regs,
+ test_thread_flag(TIF_SINGLE_STEP));
}
diff --git a/arch/s390/kernel/entry.h b/arch/s390/kernel/entry.h
index 6cdddac93a2e..f66a229ab0b3 100644
--- a/arch/s390/kernel/entry.h
+++ b/arch/s390/kernel/entry.h
@@ -31,7 +31,7 @@ void do_per_trap(struct pt_regs *regs);
void syscall_trace(struct pt_regs *regs, int entryexit);
void kernel_stack_overflow(struct pt_regs * regs);
void do_signal(struct pt_regs *regs);
-int handle_signal32(unsigned long sig, struct k_sigaction *ka,
+void handle_signal32(unsigned long sig, struct k_sigaction *ka,
siginfo_t *info, sigset_t *oldset, struct pt_regs *regs);
void do_notify_resume(struct pt_regs *regs);
diff --git a/arch/s390/kernel/signal.c b/arch/s390/kernel/signal.c
index c880c48a09f3..7f9a862a161a 100644
--- a/arch/s390/kernel/signal.c
+++ b/arch/s390/kernel/signal.c
@@ -367,7 +367,7 @@ give_sigsegv:
return -EFAULT;
}
-static int handle_signal(unsigned long sig, struct k_sigaction *ka,
+static void handle_signal(unsigned long sig, struct k_sigaction *ka,
siginfo_t *info, sigset_t *oldset,
struct pt_regs *regs)
{
@@ -379,9 +379,13 @@ static int handle_signal(unsigned long sig, struct k_sigaction *ka,
else
ret = setup_frame(sig, ka, oldset, regs);
if (ret)
- return ret;
+ return;
block_sigmask(ka, sig);
- return 0;
+ /*
+ * Let tracing know that we've done the handler setup.
+ */
+ tracehook_signal_handler(sig, info, ka, regs,
+ test_thread_flag(TIF_SINGLE_STEP));
}
/*
@@ -436,24 +440,10 @@ void do_signal(struct pt_regs *regs)
/* No longer in a system call */
clear_thread_flag(TIF_SYSCALL);
- if ((is_compat_task() ?
- handle_signal32(signr, &ka, &info, oldset, regs) :
- handle_signal(signr, &ka, &info, oldset, regs)) == 0) {
- /*
- * A signal was successfully delivered; the saved
- * sigmask will have been stored in the signal frame,
- * and will be restored by sigreturn, so we can simply
- * clear the TIF_RESTORE_SIGMASK flag.
- */
- if (test_thread_flag(TIF_RESTORE_SIGMASK))
- clear_thread_flag(TIF_RESTORE_SIGMASK);
-
- /*
- * Let tracing know that we've done the handler setup.
- */
- tracehook_signal_handler(signr, &info, &ka, regs,
- test_thread_flag(TIF_SINGLE_STEP));
- }
+ if (is_compat_task())
+ handle_signal32(signr, &ka, &info, oldset, regs);
+ else
+ handle_signal(signr, &ka, &info, oldset, regs);
return;
}