Messages in this thread | | | Date | Tue, 31 Aug 2010 14:37:47 +0200 | From | Mikael Pettersson <> | Subject | Re: [PATCH 2/7] wire up sys_time_change_notify() on ARM |
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Alexander Shishkin writes: > 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@slind.org> > CC: Russell King <linux@arm.linux.org.uk> > CC: Andrew Morton <akpm@linux-foundation.org> > CC: David Howells <dhowells@redhat.com> > CC: Christoph Hellwig <hch@lst.de> > CC: "H. Peter Anvin" <hpa@zytor.com> > CC: linux-arm-kernel@lists.infradead.org > CC: linux-kernel@vger.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 d02cfb6..ce38a6f 100644 > --- a/arch/arm/include/asm/unistd.h > +++ b/arch/arm/include/asm/unistd.h > @@ -393,6 +393,7 @@ > #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_time_change_notify (__NR_SYSCALL_BASE+367) > > /* > * The following SWIs are ARM private. > diff --git a/arch/arm/kernel/calls.S b/arch/arm/kernel/calls.S > index afeb71f..f1e64ba 100644 > --- a/arch/arm/kernel/calls.S > +++ b/arch/arm/kernel/calls.S > @@ -376,6 +376,7 @@ > CALL(sys_perf_event_open) > /* 365 */ CALL(sys_recvmmsg) > CALL(sys_accept4) > + CALL(sys_time_change_notify) > #ifndef syscalls_counted > .equ syscalls_padding, ((NR_syscalls + 3) & ~3) - NR_syscalls > #define syscalls_counted
No, you need to use 370 as the syscall number on ARM as 367-369 have been assigned to the fanotify and prlimit64 syscalls; see
http://www.arm.linux.org.uk/developer/patches/viewpatch.php?id=6343/1
/Mikael
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