lkml.org 
[lkml]   [2008]   [Jul]   [9]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
    /
    Date
    From
    SubjectRe: [RFC 00/15] x86_64: Optimize percpu accesses
    H. Peter Anvin wrote:
    > Thinking about this some more, I don't know if it would make sense to
    > put the x86-64 stack canary at the *end* of the percpu area, and
    > otherwise use negative offsets. That would make sure they were
    > readily reachable from %rip-based references from within the kernel
    > text area.

    If we can move the canary then a whole pile of options open up. But the
    problem is that we can't.

    J



    \
     
     \ /
      Last update: 2008-07-09 22:51    [W:0.020 / U:60.604 seconds]
    ©2003-2016 Jasper Spaans. hosted at Digital OceanAdvertise on this site