[lkml]   [2008]   [Jan]   [9]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
    SubjectRe: [linux-kernel] Re: [PATCH] x86: provide a DMI based port 0x80 I/O delay override.
    Zachary Amsden wrote:
    > BTW, it isn't ever safe to pass port 0x80 through to hardware from a
    > virtual machine; some OSes use port 0x80 as a hardware available scratch
    > register (I believe Darwin/x86 did/does this during boot).

    That's funny, because there is definitely no guarantee that you get back
    what you read (well, perhaps there is on Apple.)


     \ /
      Last update: 2008-01-09 06:23    [W:0.021 / U:6.820 seconds]
    ©2003-2017 Jasper Spaans. hosted at Digital OceanAdvertise on this site