Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]


Groups > linux.kernel > #1314993 > unrolled thread

[PATCH] ARM: add copy_file_range system call

Started byArnd Bergmann <arnd@arndb.de>
First post2016-01-22 14:50 +0100
Last post2016-01-22 15:00 +0100
Articles 2 — 2 participants

Back to article view | Back to linux.kernel


Contents

  [PATCH] ARM: add copy_file_range system call Arnd Bergmann <arnd@arndb.de> - 2016-01-22 14:50 +0100
    Re: [PATCH] ARM: add copy_file_range system call Russell King - ARM Linux <linux@arm.linux.org.uk> - 2016-01-22 15:00 +0100

#1314993 — [PATCH] ARM: add copy_file_range system call

FromArnd Bergmann <arnd@arndb.de>
Date2016-01-22 14:50 +0100
Subject[PATCH] ARM: add copy_file_range system call
Message-ID<qTKga-4IT-29@gated-at.bofh.it>
The copy_file_range system call was added in linux-4.5 needs to
be added to the system call tables on all architectures.

This is the change for arch/arm.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>

diff --git a/arch/arm/include/uapi/asm/unistd.h b/arch/arm/include/uapi/asm/unistd.h
index ede692ffa32e..5dd2528e9e45 100644
--- a/arch/arm/include/uapi/asm/unistd.h
+++ b/arch/arm/include/uapi/asm/unistd.h
@@ -417,6 +417,7 @@
 #define __NR_userfaultfd		(__NR_SYSCALL_BASE+388)
 #define __NR_membarrier			(__NR_SYSCALL_BASE+389)
 #define __NR_mlock2			(__NR_SYSCALL_BASE+390)
+#define __NR_copy_file_range		(__NR_SYSCALL_BASE+391)
 
 /*
  * The following SWIs are ARM private.
diff --git a/arch/arm/kernel/calls.S b/arch/arm/kernel/calls.S
index ac368bb068d1..8ff325ae6d0e 100644
--- a/arch/arm/kernel/calls.S
+++ b/arch/arm/kernel/calls.S
@@ -399,7 +399,8 @@
 		CALL(sys_execveat)
 		CALL(sys_userfaultfd)
 		CALL(sys_membarrier)
-		CALL(sys_mlock2)
+/* 390 */	CALL(sys_mlock2)
+		CALL(sys_copy_file_range)
 #ifndef syscalls_counted
 .equ syscalls_padding, ((NR_syscalls + 3) & ~3) - NR_syscalls
 #define syscalls_counted

[toc] | [next] | [standalone]


#1315004

FromRussell King - ARM Linux <linux@arm.linux.org.uk>
Date2016-01-22 15:00 +0100
Message-ID<qTKpR-4M4-21@gated-at.bofh.it>
In reply to#1314993
On Fri, Jan 22, 2016 at 02:47:36PM +0100, Arnd Bergmann wrote:
> The copy_file_range system call was added in linux-4.5 needs to
> be added to the system call tables on all architectures.
> 
> This is the change for arch/arm.
> 
> Signed-off-by: Arnd Bergmann <arnd@arndb.de>

Thanks, but as ever I much prefer to update the syscall table myself
after -rc1.

-- 
RMK's Patch system: http://www.arm.linux.org.uk/developer/patches/
FTTC broadband for 0.8mile line: currently at 9.6Mbps down 400kbps up
according to speedtest.net.

[toc] | [prev] | [standalone]


Back to top | Article view | linux.kernel


csiph-web