linux-kernel - [PATCH 43/45] x86/sigreturn: use SYSCALL

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Date:   Thu, 22 Mar 2018 10:00:57 +0100
From:   Dominik Brodowski <linux@...inikbrodowski.net>
To:     linux-kernel@...r.kernel.org, torvalds@...ux-foundation.org,
        viro@...IV.linux.org.uk, arnd@...db.de, linux-arch@...r.kernel.org
Cc:     "Tautschnig, Michael" <tautschn@...zon.co.uk>,
        Michael Tautschnig <tautschn@...zon.com>,
        Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...hat.com>,
        "H . Peter Anvin" <hpa@...or.com>,
        Jaswinder Singh <jaswinder@...radead.org>,
        Andi Kleen <ak@...ux.intel.com>, x86@...nel.org
Subject: [PATCH 43/45] x86/sigreturn: use SYSCALL_DEFINE0

From: "Tautschnig, Michael" <tautschn@...zon.co.uk>

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@...zon.com>
Cc: Thomas Gleixner <tglx@...utronix.de>
Cc: Ingo Molnar <mingo@...hat.com>
Cc: H. Peter Anvin <hpa@...or.com>
Cc: Jaswinder Singh <jaswinder@...radead.org>
Cc: Andi Kleen <ak@...ux.intel.com>
Cc: x86@...nel.org
Signed-off-by: Dominik Brodowski <linux@...inikbrodowski.net>
---
 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 83a26726b689..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 long sys_sigreturn(void)
+SYSCALL_DEFINE0(sigreturn)
 {
 	struct pt_regs *regs = current_pt_regs();
 	struct sigframe __user *frame;
@@ -633,7 +634,7 @@ asmlinkage long sys_sigreturn(void)
 }
 #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;
-- 
2.16.2