linux-kernel - [PATCHv6 5/7] wire up sys_time_change

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Date:	Thu, 11 Nov 2010 21:30:00 +0200
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>,
	Thomas Gleixner <tglx@...utronix.de>,
	Alexander Shishkin <virtuoso@...nd.org>,
	Heiko Carstens <heiko.carstens@...ibm.com>,
	linux390@...ibm.com, Jesper Nilsson <jesper.nilsson@...s.com>,
	David Howells <dhowells@...hat.com>,
	Christian Borntraeger <borntraeger@...ibm.com>,
	"Eric W. Biederman" <ebiederm@...ssion.com>,
	Christoph Hellwig <hch@....de>, linux-s390@...r.kernel.org
Subject: [PATCHv6 5/7] wire up sys_time_change_notify() on s390

Signed-off-by: Alexander Shishkin <virtuoso@...nd.org>
Acked-by: Martin Schwidefsky <schwidefsky@...ibm.com>
CC: Heiko Carstens <heiko.carstens@...ibm.com>
CC: linux390@...ibm.com
CC: Andrew Morton <akpm@...ux-foundation.org>
CC: Jesper Nilsson <jesper.nilsson@...s.com>
CC: David Howells <dhowells@...hat.com>
CC: Christian Borntraeger <borntraeger@...ibm.com>
CC: "Eric W. Biederman" <ebiederm@...ssion.com>
CC: Christoph Hellwig <hch@....de>
CC: linux-s390@...r.kernel.org
CC: linux-kernel@...r.kernel.org
---
 arch/s390/include/asm/unistd.h    |    3 ++-
 arch/s390/kernel/compat_wrapper.S |    7 +++++++
 arch/s390/kernel/syscalls.S       |    1 +
 3 files changed, 10 insertions(+), 1 deletions(-)

diff --git a/arch/s390/include/asm/unistd.h b/arch/s390/include/asm/unistd.h
index 1049ef2..f815a2d 100644
--- a/arch/s390/include/asm/unistd.h
+++ b/arch/s390/include/asm/unistd.h
@@ -272,7 +272,8 @@
 #define __NR_fanotify_init	332
 #define __NR_fanotify_mark	333
 #define __NR_prlimit64		334
-#define NR_syscalls 335
+#define __NR_time_change_notify	335
+#define NR_syscalls 336
 
 /* 
  * There are some system calls that are not present on 64 bit, some
diff --git a/arch/s390/kernel/compat_wrapper.S b/arch/s390/kernel/compat_wrapper.S
index 8e60fb2..dd4b23e 100644
--- a/arch/s390/kernel/compat_wrapper.S
+++ b/arch/s390/kernel/compat_wrapper.S
@@ -1877,3 +1877,10 @@ sys_prlimit64_wrapper:
 	llgtr	%r4,%r4			# const struct rlimit64 __user *
 	llgtr	%r5,%r5			# struct rlimit64 __user *
 	jg	sys_prlimit64		# branch to system call
+
+	.globl sys_time_change_notify_wrapper
+sys_time_change_notify_wrapper:
+	lgfr	%r2,%r2			# clockid_t (int)
+	lgfr	%r3,%r3			# int
+	llgfr	%r4,%r4			# unsigned int
+	jg	sys_time_change_notify	# branch to system call
diff --git a/arch/s390/kernel/syscalls.S b/arch/s390/kernel/syscalls.S
index a8fee1b..50ca1a7 100644
--- a/arch/s390/kernel/syscalls.S
+++ b/arch/s390/kernel/syscalls.S
@@ -343,3 +343,4 @@ SYSCALL(sys_perf_event_open,sys_perf_event_open,sys_perf_event_open_wrapper)
 SYSCALL(sys_fanotify_init,sys_fanotify_init,sys_fanotify_init_wrapper)
 SYSCALL(sys_fanotify_mark,sys_fanotify_mark,sys_fanotify_mark_wrapper)
 SYSCALL(sys_prlimit64,sys_prlimit64,sys_prlimit64_wrapper)
+SYSCALL(sys_time_change_notify,sys_time_change_notify,sys_time_change_notify_wrapper) /* 335 */
-- 
1.7.2.1.45.gb66c2

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