Messages in this thread | | | Date | Tue, 31 Aug 2010 15:42:01 +0300 | From | Alexander Shishkin <> | Subject | Re: [PATCH 2/7] wire up sys_time_change_notify() on ARM |
| |
On Tue, Aug 31, 2010 at 02:37:47 +0200, Mikael Pettersson wrote: > 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
I'm aware of that, but I don't know how to synchronize this with Russell's devel branch. This patchset applies against 2.6.36-rc3. I guess, when it comes to merging it, I'll update it against Russell's tree.
Regards, -- Alex
| |