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    SubjectRe: 2.6.24-rc3-mm2 - Build Failure on powerpc timerfd() undeclared
    Date
    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@arndb.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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