linux-kernel - [tip:x86/process] x86/arch_prctl/64: Use SYSCALL_DEFINE2 to define sys_arch

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Date:   Mon, 20 Mar 2017 09:32:10 -0700
From:   tip-bot for Kyle Huey <tipbot@...or.com>
To:     linux-tip-commits@...r.kernel.org
Cc:     rafael.j.wysocki@...el.com, len.brown@...el.com, hpa@...or.com,
        rkrcmar@...hat.com, richard@....at, shuah@...nel.org,
        robert@...llahan.org, peterz@...radead.org, jdike@...toit.com,
        pbonzini@...hat.com, viro@...iv.linux.org.uk, bp@...e.de,
        mingo@...nel.org, me@...ehuey.com, linux-kernel@...r.kernel.org,
        andi@...stfloor.org, boris.ostrovsky@...cle.com,
        dsafonov@...tuozzo.com, dave.hansen@...ux.intel.com,
        dmatlack@...gle.com, khuey@...ehuey.com, luto@...nel.org,
        grzegorz.andrejczuk@...el.com, nadav.amit@...il.com,
        tglx@...utronix.de
Subject: [tip:x86/process] x86/arch_prctl/64: Use SYSCALL_DEFINE2 to define
 sys_arch_prctl()

Commit-ID:  ff3f097eef30151f5ee250859e0fe8a0ec02c160
Gitweb:     http://git.kernel.org/tip/ff3f097eef30151f5ee250859e0fe8a0ec02c160
Author:     Kyle Huey <me@...ehuey.com>
AuthorDate: Mon, 20 Mar 2017 01:16:21 -0700
Committer:  Thomas Gleixner <tglx@...utronix.de>
CommitDate: Mon, 20 Mar 2017 16:10:32 +0100

x86/arch_prctl/64: Use SYSCALL_DEFINE2 to define sys_arch_prctl()

Use the SYSCALL_DEFINE2 macro instead of manually defining it.

Signed-off-by: Kyle Huey <khuey@...ehuey.com>
Cc: Grzegorz Andrejczuk <grzegorz.andrejczuk@...el.com>
Cc: kvm@...r.kernel.org
Cc: Radim Krčmář <rkrcmar@...hat.com>
Cc: Peter Zijlstra <peterz@...radead.org>
Cc: Dave Hansen <dave.hansen@...ux.intel.com>
Cc: Andi Kleen <andi@...stfloor.org>
Cc: linux-kselftest@...r.kernel.org
Cc: Nadav Amit <nadav.amit@...il.com>
Cc: Robert O'Callahan <robert@...llahan.org>
Cc: Richard Weinberger <richard@....at>
Cc: "Rafael J. Wysocki" <rafael.j.wysocki@...el.com>
Cc: Borislav Petkov <bp@...e.de>
Cc: Andy Lutomirski <luto@...nel.org>
Cc: Len Brown <len.brown@...el.com>
Cc: Shuah Khan <shuah@...nel.org>
Cc: user-mode-linux-devel@...ts.sourceforge.net
Cc: Jeff Dike <jdike@...toit.com>
Cc: Alexander Viro <viro@...iv.linux.org.uk>
Cc: user-mode-linux-user@...ts.sourceforge.net
Cc: David Matlack <dmatlack@...gle.com>
Cc: Boris Ostrovsky <boris.ostrovsky@...cle.com>
Cc: Dmitry Safonov <dsafonov@...tuozzo.com>
Cc: linux-fsdevel@...r.kernel.org
Cc: Paolo Bonzini <pbonzini@...hat.com>
Link: http://lkml.kernel.org/r/20170320081628.18952-4-khuey@kylehuey.com
Signed-off-by: Thomas Gleixner <tglx@...utronix.de>

---
 arch/x86/kernel/process_64.c | 3 ++-
 arch/x86/um/syscalls_64.c    | 3 ++-
 2 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/arch/x86/kernel/process_64.c b/arch/x86/kernel/process_64.c
index 4377cfe..bf9d7b6 100644
--- a/arch/x86/kernel/process_64.c
+++ b/arch/x86/kernel/process_64.c
@@ -37,6 +37,7 @@
 #include <linux/uaccess.h>
 #include <linux/io.h>
 #include <linux/ftrace.h>
+#include <linux/syscalls.h>

 #include <asm/pgtable.h>
 #include <asm/processor.h>
@@ -621,7 +622,7 @@ long do_arch_prctl(struct task_struct *task, int option, unsigned long addr)
 	return ret;
 }

-long sys_arch_prctl(int option, unsigned long addr)
+SYSCALL_DEFINE2(arch_prctl, int, option, unsigned long, addr)
 {
 	return do_arch_prctl(current, option, addr);
 }
diff --git a/arch/x86/um/syscalls_64.c b/arch/x86/um/syscalls_64.c
index 3c2dd87..42369fa 100644
--- a/arch/x86/um/syscalls_64.c
+++ b/arch/x86/um/syscalls_64.c
@@ -7,6 +7,7 @@

 #include <linux/sched.h>
 #include <linux/sched/mm.h>
+#include <linux/syscalls.h>
 #include <linux/uaccess.h>
 #include <asm/prctl.h> /* XXX This should get the constants from libc */
 #include <os.h>
@@ -74,7 +75,7 @@ long arch_prctl(struct task_struct *task, int option
 	return ret;
 }

-long sys_arch_prctl(int option, unsigned long addr)
+SYSCALL_DEFINE2(arch_prctl, int, option, unsigned long, addr)
 {
 	return arch_prctl(current, option, (unsigned long __user *) addr);
 }