[lkml]   [2007]   [Aug]   [16]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
    SubjectRe: [PATCH 0/24] make atomic_read() behave consistently across all architectures
    Christoph Lameter writes:

    > No it does not have any volatile semantics. atomic_dec() can be reordered
    > at will by the compiler within the current basic unit if you do not add a
    > barrier.

    Volatile doesn't mean it can't be reordered; volatile means the
    accesses can't be eliminated.

    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: 2007-08-17 04:49    [W:0.019 / U:3.508 seconds]
    ©2003-2017 Jasper Spaans. hosted at Digital OceanAdvertise on this site