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Subject[tip:x86/urgent] x86/sigreturn: Use SYSCALL_DEFINE0
Commit-ID:  1227b344de283f96c41de02cde4b26d5290f5302
Gitweb: https://git.kernel.org/tip/1227b344de283f96c41de02cde4b26d5290f5302
Author: Tautschnig, Michael <tautschn@amazon.co.uk>
AuthorDate: Wed, 14 Mar 2018 09:41:42 +0000
Committer: Thomas Gleixner <tglx@linutronix.de>
CommitDate: Wed, 14 Mar 2018 21:43:09 +0100

x86/sigreturn: Use SYSCALL_DEFINE0

All definitions of syscalls in x86 except for those patched here have
already been using the appropriate SYSCALL_DEFINE*.

Signed-off-by: Michael Tautschnig <tautschn@amazon.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: linux-api@vger.kernel.org
Cc: Dominik Brodowski <linux@dominikbrodowski.net>
Cc: Jaswinder Singh <jaswinder@infradead.org>
Cc: "linux-api@vger.kernel.org"
Cc: "x86@kernel.org"
Link: https://lkml.kernel.org/r/9C9981F4-0E5E-42A7-8788-70F3DEAD258D@amazon.com

---
arch/x86/kernel/signal.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/arch/x86/kernel/signal.c b/arch/x86/kernel/signal.c
index 4cdc0b27ec82..da270b95fe4d 100644
--- a/arch/x86/kernel/signal.c
+++ b/arch/x86/kernel/signal.c
@@ -25,6 +25,7 @@
#include <linux/user-return-notifier.h>
#include <linux/uprobes.h>
#include <linux/context_tracking.h>
+#include <linux/syscalls.h>

#include <asm/processor.h>
#include <asm/ucontext.h>
@@ -601,7 +602,7 @@ static int x32_setup_rt_frame(struct ksignal *ksig,
* Do a signal return; undo the signal stack.
*/
#ifdef CONFIG_X86_32
-asmlinkage unsigned long sys_sigreturn(void)
+SYSCALL_DEFINE0(sigreturn)
{
struct pt_regs *regs = current_pt_regs();
struct sigframe __user *frame;
@@ -633,7 +634,7 @@ badframe:
}
#endif /* CONFIG_X86_32 */

-asmlinkage long sys_rt_sigreturn(void)
+SYSCALL_DEFINE0(rt_sigreturn)
{
struct pt_regs *regs = current_pt_regs();
struct rt_sigframe __user *frame;
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