lkml.org 
[lkml]   [2006]   [Aug]   [27]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
    /
    From
    SubjectRe: [PATCH RFC 0/6] Implement per-processor data areas for i386.
    Date

    > Something like that had to be done eventually about the inefficient
    > current_thread_info() mechanism,

    Inefficient? It's two fast instructions. I won't call that inefficient.

    > I guess it's due to having tried that on an older installation with gcc 3.2,
    > which probably does less efficient opcode merging of current_thread_info()
    > requests compared to a current gcc version.

    gcc normally doesn't merge inline assembly at all.

    -Andi
    -
    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: 2006-08-27 20:07    [W:0.057 / U:0.180 seconds]
    ©2003-2016 Jasper Spaans. hosted at Digital OceanAdvertise on this site