lkml.org 
[lkml]   [2015]   [Aug]   [27]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
    Patch in this message
    /
    From
    Subject[RFC PATCH 8/9] ia64: allocate sys_membarrier system call number
    Date
    [ Untested on this architecture. To try it out: fetch linux-next/akpm,
    apply this patch, build/run a membarrier-enabled kernel, and do make
    kselftest. ]

    Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
    CC: Andrew Morton <akpm@linux-foundation.org>
    CC: linux-api@vger.kernel.org
    CC: Tony Luck <tony.luck@intel.com>
    CC: Fenghua Yu <fenghua.yu@intel.com>
    CC: linux-ia64@vger.kernel.org
    ---
    arch/ia64/include/asm/unistd.h | 2 +-
    arch/ia64/include/uapi/asm/unistd.h | 1 +
    arch/ia64/kernel/entry.S | 1 +
    3 files changed, 3 insertions(+), 1 deletion(-)

    diff --git a/arch/ia64/include/asm/unistd.h b/arch/ia64/include/asm/unistd.h
    index 95c39b9..1d54e17 100644
    --- a/arch/ia64/include/asm/unistd.h
    +++ b/arch/ia64/include/asm/unistd.h
    @@ -11,7 +11,7 @@



    -#define NR_syscalls 319 /* length of syscall table */
    +#define NR_syscalls 320 /* length of syscall table */

    /*
    * The following defines stop scripts/checksyscalls.sh from complaining about
    diff --git a/arch/ia64/include/uapi/asm/unistd.h b/arch/ia64/include/uapi/asm/unistd.h
    index 4610795..b7aae55 100644
    --- a/arch/ia64/include/uapi/asm/unistd.h
    +++ b/arch/ia64/include/uapi/asm/unistd.h
    @@ -332,5 +332,6 @@
    #define __NR_memfd_create 1340
    #define __NR_bpf 1341
    #define __NR_execveat 1342
    +#define __NR_membarrier 1343

    #endif /* _UAPI_ASM_IA64_UNISTD_H */
    diff --git a/arch/ia64/kernel/entry.S b/arch/ia64/kernel/entry.S
    index ae0de7b..1ce01f9 100644
    --- a/arch/ia64/kernel/entry.S
    +++ b/arch/ia64/kernel/entry.S
    @@ -1768,5 +1768,6 @@ sys_call_table:
    data8 sys_memfd_create // 1340
    data8 sys_bpf
    data8 sys_execveat
    + data8 sys_membarrier

    .org sys_call_table + 8*NR_syscalls // guard against failures to increase NR_syscalls
    --
    1.9.1


    \
     
     \ /
      Last update: 2015-08-27 20:21    [W:4.428 / U:0.176 seconds]
    ©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site