[PATCHv4,17/19] arm64: use SYSCALL_DEFINE6() for mmap

Message ID	20180702110415.10465-18-mark.rutland@arm.com
State	Superseded
Headers	show Delivered-To: patch@linaro.org Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; From: Mark Rutland <mark.rutland@arm.com> To: linux-arm-kernel@lists.infradead.org, will.deacon@arm.com Cc: linux-kernel@vger.kernel.org, catalin.marinas@arm.com, dave.martin@arm.com, hch@infradead.org, james.morse@arm.com, linux@dominikbrodowski.net, linux-fsdevel@vger.kernel.org, marc.zyngier@arm.com, mark.rutland@arm.com, viro@zeniv.linux.org.uk Subject: [PATCHv4 17/19] arm64: use SYSCALL_DEFINE6() for mmap Date: Mon, 2 Jul 2018 12:04:13 +0100 Message-Id: <20180702110415.10465-18-mark.rutland@arm.com> In-Reply-To: <20180702110415.10465-1-mark.rutland@arm.com> References: <20180702110415.10465-1-mark.rutland@arm.com> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk
Series	arm64: invoke syscalls with pt_regs \| expand [PATCHv4,00/19] arm64: invoke syscalls with pt_regs [PATCHv4,01/19] arm64: consistently use unsigned long for thread flags [PATCHv4,02/19] arm64: move SCTLR_EL{1,2} assertions to <asm/sysreg.h> [PATCHv4,03/19] arm64: kill config_sctlr_el1() [PATCHv4,04/19] arm64: kill change_cpacr() [PATCHv4,05/19] arm64: move sve_user_{enable,disable} to <asm/fpsimd.h> [PATCHv4,06/19] arm64: remove sigreturn wrappers [PATCHv4,07/19] arm64: convert raw syscall invocation to C [PATCHv4,08/19] arm64: convert syscall trace logic to C [PATCHv4,09/19] arm64: convert native/compat syscall entry to C [PATCHv4,10/19] arm64: don't restore GPRs when context tracking [PATCHv4,11/19] arm64: don't reload GPRs after apply_ssbd [PATCHv4,12/19] arm64: zero GPRs upon entry from EL0 [PATCHv4,13/19] kernel: add ksys_personality() [PATCHv4,14/19] kernel: add kcompat_sys_{f,}statfs64() [PATCHv4,15/19] arm64: remove in-kernel call to sys_personality() [PATCHv4,16/19] arm64: use {COMPAT,}SYSCALL_DEFINE0 for sigreturn [PATCHv4,17/19] arm64: use SYSCALL_DEFINE6() for mmap [PATCHv4,18/19] arm64: convert compat wrappers to C [PATCHv4,19/19] arm64: implement syscall wrappers

Message ID

20180702110415.10465-18-mark.rutland@arm.com

State

Superseded

Headers

Received-SPF: pass (google.com: best guess record for domain of
	linux-kernel-owner@vger.kernel.org designates 209.132.180.67
	as permitted sender) client-ip=209.132.180.67; 
From: Mark Rutland <mark.rutland@arm.com>
To: linux-arm-kernel@lists.infradead.org, will.deacon@arm.com
Cc: linux-kernel@vger.kernel.org, catalin.marinas@arm.com,
	dave.martin@arm.com, hch@infradead.org, james.morse@arm.com,
	linux@dominikbrodowski.net, linux-fsdevel@vger.kernel.org,
	marc.zyngier@arm.com, mark.rutland@arm.com, viro@zeniv.linux.org.uk
Subject: [PATCHv4 17/19] arm64: use SYSCALL_DEFINE6() for mmap
Date: Mon,  2 Jul 2018 12:04:13 +0100
Message-Id: <20180702110415.10465-18-mark.rutland@arm.com>
In-Reply-To: <20180702110415.10465-1-mark.rutland@arm.com>
References: <20180702110415.10465-1-mark.rutland@arm.com>
Sender: linux-kernel-owner@vger.kernel.org
Precedence: bulk

Series

arm64: invoke syscalls with pt_regs | expand

Commit Message

Mark Rutland July 2, 2018, 11:04 a.m. UTC

We don't currently annotate our mmap implementation as a syscall, as we
need to do to use pt_regs syscall wrappers.

Let's mark it as a real syscall.

There should be no functional change as a result of this patch.

Signed-off-by: Mark Rutland <mark.rutland@arm.com>

Reviewed-by: Dominik Brodowski <linux@dominikbrodowski.net>

Acked-by: Catalin Marinas <catalin.marinas@arm.com>

Cc: Will Deacon <will.deacon@arm.com>
---
 arch/arm64/kernel/sys.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

-- 
2.11.0

diff --git a/arch/arm64/kernel/sys.c b/arch/arm64/kernel/sys.c
index a82c3f7a9a90..2ad1497a184e 100644
--- a/arch/arm64/kernel/sys.c
+++ b/arch/arm64/kernel/sys.c
@@ -27,9 +27,9 @@ 
 #include <linux/syscalls.h>
 #include <asm/cpufeature.h>
 
-asmlinkage long sys_mmap(unsigned long addr, unsigned long len,
-			 unsigned long prot, unsigned long flags,
-			 unsigned long fd, off_t off)
+SYSCALL_DEFINE6(mmap, unsigned long, addr, unsigned long, len,
+		unsigned long, prot, unsigned long, flags,
+		unsigned long, fd, off_t, off)
 {
 	if (offset_in_page(off) != 0)
 		return -EINVAL;

[PATCHv4,17/19] arm64: use SYSCALL_DEFINE6() for mmap

Commit Message

Patch