lkml.org 
[lkml]   [2004]   [Dec]   [16]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
    /
    Date
    From
    SubjectRe: page fault scalability patch V12 [0/7]: Overview and performance tests
    On Sun, 12 Dec 2004, William Lee Irwin III wrote:

    > On Sun, Dec 12, 2004 at 09:33:11AM +0000, Hugh Dickins wrote:
    > > Oh, hold on, isn't handle_mm_fault's pmd without page_table_lock
    > > similarly racy, in both the 64-on-32 cases, and on architectures
    > > which have a more complex pmd_t (sparc, m68k, h8300)? Sigh.
    >
    > yes.

    Those may fall back to use the page_table_lock for individual operations
    that cannot be realized in an atomic way.

    -
    To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
    the body of a message to majordomo@vger.kernel.org
    More majordomo info at http://vger.kernel.org/majordomo-info.html
    Please read the FAQ at http://www.tux.org/lkml/

    \
     
     \ /
      Last update: 2005-03-22 14:08    [W:0.024 / U:63.432 seconds]
    ©2003-2016 Jasper Spaans. hosted at Digital OceanAdvertise on this site