linux-kernel - [PATCH 2/7] wire up sys_time_change

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Date:	Fri, 17 Sep 2010 01:10:44 +0300
From:	Alexander Shishkin <virtuoso@...nd.org>
To:	linux-kernel@...r.kernel.org
Cc:	John Stultz <johnstul@...ibm.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	"H. Peter Anvin" <hpa@...or.com>,
	Kay Sievers <kay.sievers@...y.org>, Greg KH <gregkh@...e.de>,
	Chris Friesen <chris.friesen@...band.com>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	"Kirill A. Shutemov" <kirill@...temov.name>,
	Alexander Shishkin <virtuoso@...nd.org>,
	Russell King <linux@....linux.org.uk>,
	David Howells <dhowells@...hat.com>,
	Christoph Hellwig <hch@....de>,
	linux-arm-kernel@...ts.infradead.org
Subject: [PATCH 2/7] wire up sys_time_change_notify() on ARM

sys_time_change_notify() is a new syscall with number and types of
parameters such that no ARM-specific processing is needed.

Tested with 2.6.36-rc3 using Documentation/time-change-notify-example.c.

Signed-off-by: Alexander Shishkin <virtuoso@...nd.org>
CC: Russell King <linux@....linux.org.uk>
CC: Andrew Morton <akpm@...ux-foundation.org>
CC: David Howells <dhowells@...hat.com>
CC: Christoph Hellwig <hch@....de>
CC: "H. Peter Anvin" <hpa@...or.com>
CC: linux-arm-kernel@...ts.infradead.org
CC: linux-kernel@...r.kernel.org
---
 arch/arm/include/asm/unistd.h |    1 +
 arch/arm/kernel/calls.S       |    1 +
 2 files changed, 2 insertions(+), 0 deletions(-)

diff --git a/arch/arm/include/asm/unistd.h b/arch/arm/include/asm/unistd.h
index c891eb7..45d5dc9 100644
--- a/arch/arm/include/asm/unistd.h
+++ b/arch/arm/include/asm/unistd.h
@@ -396,6 +396,7 @@
 #define __NR_fanotify_init		(__NR_SYSCALL_BASE+367)
 #define __NR_fanotify_mark		(__NR_SYSCALL_BASE+368)
 #define __NR_prlimit64			(__NR_SYSCALL_BASE+369)
+#define __NR_time_change_notify		(__NR_SYSCALL_BASE+370)
 
 /*
  * The following SWIs are ARM private.
diff --git a/arch/arm/kernel/calls.S b/arch/arm/kernel/calls.S
index 5c26ecc..633e71a 100644
--- a/arch/arm/kernel/calls.S
+++ b/arch/arm/kernel/calls.S
@@ -379,6 +379,7 @@
 		CALL(sys_fanotify_init)
 		CALL(sys_fanotify_mark)
 		CALL(sys_prlimit64)
+		CALL(sys_time_change_notify)
 #ifndef syscalls_counted
 .equ syscalls_padding, ((NR_syscalls + 3) & ~3) - NR_syscalls
 #define syscalls_counted
-- 
1.7.2.1.45.gb66c2

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