[lkml]   [2010]   [Jul]   [14]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
    SubjectRe: [patch 0/2] x86: NMI-safe trap handlers
    * Andi Kleen ( wrote:
    > > x86_32 cannot use vmalloc_sync_all() to sychronize the TLBs from every
    > > processes because the vmalloc area is mapped in a different address space for
    > That doesn't make sense. vmalloc_all_sync() should work on 32bit too.
    > It just needs to walk all processes and fix up every page table.

    Yeah, I've been taken aback when Tejun told me that a few moments ago. I
    initially thought that vmalloc_sync_all() synchronized all page mappings of all
    processes on x86_32. But apparently that does not seem to be the case. I'm
    adding him in CC.



    Mathieu Desnoyers
    Operating System Efficiency R&D Consultant
    EfficiOS Inc.

     \ /
      Last update: 2010-07-14 19:11    [W:0.028 / U:18.032 seconds]
    ©2003-2017 Jasper Spaans. hosted at Digital OceanAdvertise on this site