[PATCH] wire up fanotify and prlimit64 syscalls on ARM
Mikael Pettersson
mikpe at it.uu.se
Wed Aug 25 10:56:12 EDT 2010
The 2.6.36-rc kernel added three new system calls:
fanotify_init, fanotify_mark, and prlimit64. This patch
wires them up on ARM.
The only non-trivial issue here is the u64 argument to
sys_fanotify_mark(), but it is the 3rd argument and thus
passed in r2/r3 in both kernel and user space, so it causes
no problems.
Tested with a 2.6.36-rc2 EABI kernel on an ixp4xx machine.
Signed-off-by: Mikael Pettersson <mikpe at it.uu.se>
---
arch/arm/include/asm/unistd.h | 3 +++
arch/arm/kernel/calls.S | 3 +++
2 files changed, 6 insertions(+)
diff -rupN linux-2.6.36-rc2/arch/arm/include/asm/unistd.h linux-2.6.36-rc2.arm-fanotify+prlimit64-syscalls/arch/arm/include/asm/unistd.h
--- linux-2.6.36-rc2/arch/arm/include/asm/unistd.h 2010-08-24 12:03:48.000000000 +0200
+++ linux-2.6.36-rc2.arm-fanotify+prlimit64-syscalls/arch/arm/include/asm/unistd.h 2010-08-25 16:27:22.000000000 +0200
@@ -393,6 +393,9 @@
#define __NR_perf_event_open (__NR_SYSCALL_BASE+364)
#define __NR_recvmmsg (__NR_SYSCALL_BASE+365)
#define __NR_accept4 (__NR_SYSCALL_BASE+366)
+#define __NR_fanotify_init (__NR_SYSCALL_BASE+367)
+#define __NR_fanotify_mark (__NR_SYSCALL_BASE+368)
+#define __NR_prlimit64 (__NR_SYSCALL_BASE+369)
/*
* The following SWIs are ARM private.
diff -rupN linux-2.6.36-rc2/arch/arm/kernel/calls.S linux-2.6.36-rc2.arm-fanotify+prlimit64-syscalls/arch/arm/kernel/calls.S
--- linux-2.6.36-rc2/arch/arm/kernel/calls.S 2010-08-24 12:03:48.000000000 +0200
+++ linux-2.6.36-rc2.arm-fanotify+prlimit64-syscalls/arch/arm/kernel/calls.S 2010-08-25 16:27:22.000000000 +0200
@@ -376,6 +376,9 @@
CALL(sys_perf_event_open)
/* 365 */ CALL(sys_recvmmsg)
CALL(sys_accept4)
+ CALL(sys_fanotify_init)
+ CALL(sys_fanotify_mark)
+ CALL(sys_prlimit64)
#ifndef syscalls_counted
.equ syscalls_padding, ((NR_syscalls + 3) & ~3) - NR_syscalls
#define syscalls_counted
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