[lkml]   [2007]   [May]   [2]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
    Patch in this message
    SubjectRe: [patch] CFS scheduler, -v8

    * Vegard Nossum <> wrote:

    > The sys_sched_yield_to() is not callable from userspace on i386
    > because it is not part of the syscall table
    > (arch/i386/kernel/syscall_table.S). This causes sysenter_entry
    > (arch/i386/kernel/entry.S) to use the wrong count for nr_syscalls (320
    > instead of 321) and return with -ENOSYS.

    oops, indeed - the patch below should fix this. (x86 should really adopt
    the nice x86_64 technique of building the syscall table out of the
    unistd.h enumeration definitions.)


    Index: linux/arch/i386/kernel/syscall_table.S
    --- linux.orig/arch/i386/kernel/syscall_table.S
    +++ linux/arch/i386/kernel/syscall_table.S
    @@ -319,3 +319,4 @@ ENTRY(sys_call_table)
    .long sys_move_pages
    .long sys_getcpu
    .long sys_epoll_pwait
    + .long sys_sched_yield_to /* 320 */
    To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
    the body of a message to
    More majordomo info at
    Please read the FAQ at

     \ /
      Last update: 2007-05-02 18:45    [W:0.023 / U:10.592 seconds]
    ©2003-2016 Jasper Spaans. hosted at Digital OceanAdvertise on this site