linux-kernel - Re: 2.6.24-rc3-mm2 - Build Failure on powerpc timerfd() undeclared

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Message-Id: <200711281432.09178.arnd@arndb.de>
Date:	Wed, 28 Nov 2007 14:32:07 +0100
From:	Arnd Bergmann <arnd@...db.de>
To:	linuxppc-dev@...abs.org
Cc:	Kamalesh Babulal <kamalesh@...ux.vnet.ibm.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Balbir Singh <balbir@...ux.vnet.ibm.com>,
	linux-kernel@...r.kernel.org, Paul Mackerras <paulus@...ba.org>
Subject: Re: 2.6.24-rc3-mm2 - Build Failure on powerpc timerfd() undeclared

On Wednesday 28 November 2007, Kamalesh Babulal wrote:
> Kernel build fails, with build error
> 
>   CC      arch/powerpc/platforms/cell/spu_callbacks.o
> In file included from arch/powerpc/platforms/cell/spu_callbacks.c:49:
> include/asm/systbl.h:312: error: ‘sys_timerfd’ undeclared here (not in a function)
> make[2]: *** [arch/powerpc/platforms/cell/spu_callbacks.o] Error 1
> make[1]: *** [arch/powerpc/platforms/cell] Error 2
> make: *** [arch/powerpc/platforms] Error 2
> 

I guess all architectures except x86 are currently broken because they
reference the old sys_timerfd function. This patch should add the missing
bits to powerpc.

Signed-off-by: Arnd Bergmann <arnd@...db.de>

---

Disclaimer: Not tested at all, just applied common sense.
Disclaimer2: conflicts with the sys_indirect kernel implementation
sent by paulus last week.

diff --git a/include/asm-powerpc/systbl.h b/include/asm-powerpc/systbl.h
index 11d5383..b029368 100644
--- a/include/asm-powerpc/systbl.h
+++ b/include/asm-powerpc/systbl.h
@@ -309,7 +309,9 @@ SYSCALL_SPU(getcpu)
 COMPAT_SYS(epoll_pwait)
 COMPAT_SYS_SPU(utimensat)
 COMPAT_SYS_SPU(signalfd)
-COMPAT_SYS_SPU(timerfd)
+COMPAT_SYS_SPU(timerfd_create)
 SYSCALL_SPU(eventfd)
 COMPAT_SYS_SPU(sync_file_range2)
 COMPAT_SYS(fallocate)
+COMPAT_SYS_SPU(sys_timerfd_settime)
+COMPAT_SYS_SPU(sys_timerfd_gettime)
diff --git a/include/asm-powerpc/unistd.h b/include/asm-powerpc/unistd.h
index 97d82b6..4ba2d20 100644
--- a/include/asm-powerpc/unistd.h
+++ b/include/asm-powerpc/unistd.h
@@ -328,14 +328,16 @@
 #define __NR_epoll_pwait	303
 #define __NR_utimensat		304
 #define __NR_signalfd		305
-#define __NR_timerfd		306
+#define __NR_timerfd_create	306
 #define __NR_eventfd		307
 #define __NR_sync_file_range2	308
 #define __NR_fallocate		309
+#define __NR_sys_timerfd_settime 310
+#define __NR_sys_timerfd_gettime 311
 
 #ifdef __KERNEL__
 
-#define __NR_syscalls		310
+#define __NR_syscalls		312
 
 #define __NR__exit __NR_exit
 #define NR_syscalls	__NR_syscalls
-
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