From: Martin Schwidefsky <schwidefsky@de.ibm.com>
To: linux-kernel@vger.kernel.org, linux-s390@vger.kernel.org
Cc: Heiko Carstens <heiko.carstens@de.ibm.com>,
Martin Schwidefsky <schwidefsky@de.ibm.com>
Subject: [patch 02/14] wire up preadv/pwritev system calls
Date: Tue, 14 Apr 2009 15:53:29 +0200 [thread overview]
Message-ID: <20090414135346.740757712@de.ibm.com> (raw)
In-Reply-To: 20090414135327.576111185@de.ibm.com
[-- Attachment #1: 002-preadv-pwritev.diff --]
[-- Type: text/plain, Size: 2394 bytes --]
From: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
---
arch/s390/include/asm/unistd.h | 4 +++-
arch/s390/kernel/compat_wrapper.S | 18 ++++++++++++++++++
arch/s390/kernel/syscalls.S | 2 ++
3 files changed, 23 insertions(+), 1 deletion(-)
Index: quilt-2.6/arch/s390/include/asm/unistd.h
===================================================================
--- quilt-2.6.orig/arch/s390/include/asm/unistd.h
+++ quilt-2.6/arch/s390/include/asm/unistd.h
@@ -265,7 +265,9 @@
#define __NR_pipe2 325
#define __NR_dup3 326
#define __NR_epoll_create1 327
-#define NR_syscalls 328
+#define __NR_preadv 328
+#define __NR_pwritev 329
+#define NR_syscalls 330
/*
* There are some system calls that are not present on 64 bit, some
Index: quilt-2.6/arch/s390/kernel/compat_wrapper.S
===================================================================
--- quilt-2.6.orig/arch/s390/kernel/compat_wrapper.S
+++ quilt-2.6/arch/s390/kernel/compat_wrapper.S
@@ -1805,3 +1805,21 @@ compat_sys_keyctl_wrapper:
llgfr %r5,%r5 # u32
llgfr %r6,%r6 # u32
jg compat_sys_keyctl # branch to system call
+
+ .globl compat_sys_preadv_wrapper
+compat_sys_preadv_wrapper:
+ llgfr %r2,%r2 # unsigned long
+ llgtr %r3,%r3 # compat_iovec *
+ llgfr %r4,%r4 # unsigned long
+ llgfr %r5,%r5 # u32
+ llgfr %r6,%r6 # u32
+ jg compat_sys_preadv # branch to system call
+
+ .globl compat_sys_pwritev_wrapper
+compat_sys_pwritev_wrapper:
+ llgfr %r2,%r2 # unsigned long
+ llgtr %r3,%r3 # compat_iovec *
+ llgfr %r4,%r4 # unsigned long
+ llgfr %r5,%r5 # u32
+ llgfr %r6,%r6 # u32
+ jg compat_sys_pwritev # branch to system call
Index: quilt-2.6/arch/s390/kernel/syscalls.S
===================================================================
--- quilt-2.6.orig/arch/s390/kernel/syscalls.S
+++ quilt-2.6/arch/s390/kernel/syscalls.S
@@ -336,3 +336,5 @@ SYSCALL(sys_inotify_init1,sys_inotify_in
SYSCALL(sys_pipe2,sys_pipe2,sys_pipe2_wrapper) /* 325 */
SYSCALL(sys_dup3,sys_dup3,sys_dup3_wrapper)
SYSCALL(sys_epoll_create1,sys_epoll_create1,sys_epoll_create1_wrapper)
+SYSCALL(sys_preadv,sys_preadv,compat_sys_preadv_wrapper)
+SYSCALL(sys_pwritev,sys_pwritev,compat_sys_pwritev_wrapper)
--
blue skies,
Martin.
"Reality continues to ruin my life." - Calvin.
next prev parent reply other threads:[~2009-04-14 13:53 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-04-14 13:53 [patch 00/14] s390 patches for 2.6.30-rc1 Martin Schwidefsky
2009-04-14 13:53 ` [patch 01/14] s390: move machine flags to lowcore Martin Schwidefsky
2009-04-14 13:53 ` Martin Schwidefsky [this message]
2009-04-14 13:53 ` [patch 03/14] call nmi_enter/nmi_exit on machine checks Martin Schwidefsky
2009-04-14 13:53 ` [patch 04/14] stp synchronization retry timer Martin Schwidefsky
2009-04-14 13:53 ` [patch 05/14] extend virtual timer interface by mod_virt_timer_periodic Martin Schwidefsky
2009-04-14 13:53 ` [patch 06/14] appldata: Use new mod_virt_timer_periodic() function Martin Schwidefsky
2009-04-14 13:53 ` [patch 07/14] qdio: remove dead timeout handler Martin Schwidefsky
2009-04-14 13:53 ` [patch 08/14] dasd: Use the new async framework for autoonlining Martin Schwidefsky
2009-04-14 13:53 ` [patch 09/14] dasd: fix idaw boundary checking for track based ccw Martin Schwidefsky
2009-04-14 13:53 ` [patch 10/14] smp: fix cpu_possible_map initialization Martin Schwidefsky
2009-04-15 2:06 ` Rusty Russell
2009-04-14 13:53 ` [patch 11/14] fix idle time accounting Martin Schwidefsky
2009-04-14 13:53 ` [patch 12/14] cpu hotplug and accounting values Martin Schwidefsky
2009-04-14 13:53 ` [patch 13/14] add read_persistent_clock Martin Schwidefsky
2009-04-14 13:53 ` [patch 14/14] boot cputime accounting Martin Schwidefsky
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