From: Kyle Huey <me@kylehuey.com>
To: "Robert O'Callahan" <robert@ocallahan.org>,
"Thomas Gleixner" <tglx@linutronix.de>,
"Andy Lutomirski" <luto@kernel.org>,
"Ingo Molnar" <mingo@redhat.com>,
"H. Peter Anvin" <hpa@zytor.com>,
x86@kernel.org, "Paolo Bonzini" <pbonzini@redhat.com>,
"Radim Krčmář" <rkrcmar@redhat.com>,
"Jeff Dike" <jdike@addtoit.com>,
"Richard Weinberger" <richard@nod.at>,
"Alexander Viro" <viro@zeniv.linux.org.uk>,
"Shuah Khan" <shuah@kernel.org>,
"Dave Hansen" <dave.hansen@linux.intel.com>,
"Borislav Petkov" <bp@suse.de>,
"Peter Zijlstra" <peterz@infradead.org>,
"Boris Ostrovsky" <boris.ostrovsky@oracle.com>,
"Len Brown" <len.brown@intel.com>,
"Rafael J. Wysocki" <rafael.j.wysocki@intel.com>,
"Dmitry Safonov" <dsafonov@virtuozzo.com>
Cc: linux-kernel@vger.kernel.org,
user-mode-linux-devel@lists.sourceforge.net,
user-mode-linux-user@lists.sourceforge.net,
linux-fsdevel@vger.kernel.org, linux-kselftest@vger.kernel.org,
kvm@vger.kernel.org
Subject: [PATCH v8 1/7] x86/arch_prctl/64: Use SYSCALL_DEFINE2 to define sys_arch_prctl
Date: Mon, 31 Oct 2016 18:37:43 -0700 [thread overview]
Message-ID: <20161101013749.4003-2-khuey@kylehuey.com> (raw)
In-Reply-To: <20161101013749.4003-1-khuey@kylehuey.com>
Signed-off-by: Kyle Huey <khuey@kylehuey.com>
---
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 b3760b3..2718cf9 100644
--- a/arch/x86/kernel/process_64.c
+++ b/arch/x86/kernel/process_64.c
@@ -30,16 +30,17 @@
#include <linux/ptrace.h>
#include <linux/notifier.h>
#include <linux/kprobes.h>
#include <linux/kdebug.h>
#include <linux/prctl.h>
#include <linux/uaccess.h>
#include <linux/io.h>
#include <linux/ftrace.h>
+#include <linux/syscalls.h>
#include <asm/pgtable.h>
#include <asm/processor.h>
#include <asm/fpu/internal.h>
#include <asm/mmu_context.h>
#include <asm/prctl.h>
#include <asm/desc.h>
#include <asm/proto.h>
@@ -607,17 +608,17 @@ long do_arch_prctl(struct task_struct *task, int code, unsigned long addr)
default:
ret = -EINVAL;
break;
}
return ret;
}
-long sys_arch_prctl(int code, unsigned long addr)
+SYSCALL_DEFINE2(arch_prctl, int, code, unsigned long, addr)
{
return do_arch_prctl(current, code, addr);
}
unsigned long KSTK_ESP(struct task_struct *task)
{
return task_pt_regs(task)->sp;
}
diff --git a/arch/x86/um/syscalls_64.c b/arch/x86/um/syscalls_64.c
index e655227..ab3f7f4 100644
--- a/arch/x86/um/syscalls_64.c
+++ b/arch/x86/um/syscalls_64.c
@@ -1,16 +1,17 @@
/*
* Copyright (C) 2003 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
* Copyright 2003 PathScale, Inc.
*
* Licensed under the GPL
*/
#include <linux/sched.h>
+#include <linux/syscalls.h>
#include <linux/uaccess.h>
#include <asm/prctl.h> /* XXX This should get the constants from libc */
#include <os.h>
long arch_prctl(struct task_struct *task, int code, unsigned long __user *addr)
{
unsigned long *ptr = addr, tmp;
long ret;
@@ -67,17 +68,17 @@ long arch_prctl(struct task_struct *task, int code, unsigned long __user *addr)
case ARCH_GET_GS:
ret = put_user(tmp, addr);
break;
}
return ret;
}
-long sys_arch_prctl(int code, unsigned long addr)
+SYSCALL_DEFINE2(arch_prctl, int, code, unsigned long, addr)
{
return arch_prctl(current, code, (unsigned long __user *) addr);
}
void arch_switch_to(struct task_struct *to)
{
if ((to->thread.arch.fs == 0) || (to->mm == NULL))
return;
base-commit: 0c183d92b20b5c84ca655b45ef57b3318b83eb9e
--
2.10.2
next prev parent reply other threads:[~2016-11-01 1:41 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-11-01 1:37 [PATCH v8 0/7] x86/arch_prctl Add ARCH_[GET|SET]_CPUID for controlling the CPUID instruction Kyle Huey
2016-11-01 1:37 ` Kyle Huey [this message]
2016-11-01 1:37 ` [PATCH v8 2/7] x86/arch_prctl/64: Rename do_arch_prctl to do_arch_prctl_64 Kyle Huey
2016-11-01 1:37 ` [PATCH v8 3/7] x86/arch_prctl: Add do_arch_prctl_common Kyle Huey
2016-11-01 1:37 ` [PATCH v8 4/7] x86/syscalls/32: Wire up arch_prctl on x86-32 Kyle Huey
2016-11-01 1:37 ` [PATCH v8 5/7] x86/cpufeature: Detect CPUID faulting support Kyle Huey
2016-11-01 1:37 ` [PATCH v8 6/7] x86/arch_prctl: Add ARCH_[GET|SET]_CPUID Kyle Huey
2016-11-01 1:37 ` [PATCH v8 7/7] KVM: x86: virtualize cpuid faulting Kyle Huey
2016-11-01 14:26 ` Paolo Bonzini
2016-11-01 18:33 ` Thomas Gleixner
2016-11-01 22:51 ` Paolo Bonzini
2016-11-04 20:34 ` David Matlack
2016-11-04 21:57 ` Paolo Bonzini
2016-11-05 0:09 ` David Matlack
2016-11-06 20:53 ` Kyle Huey
2016-11-07 18:38 ` Eduardo Habkost
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