[lkml]   [2001]   [May]   [2]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
    SubjectRe: X15 alpha release: as fast as TUX but in user space (fwd)

    On Wed, 2 May 2001, Andi Kleen wrote:

    > > Whatever happened to that hack that was discussed a year or two ago?
    > > The one where (also on IA32) a magic page was set up by the kernel
    > > containing code for fast system calls, and the kernel would write
    > > calibation information to that magic page. The code written there
    > > would use the TSC in conjunction with that calibration data.
    > >
    > > There was much discussion about this idea, even Linus was keen on
    > > it. But IIRC, nothing ever happened.
    > It's already implemented in the x86-64 port, thanks to Andrea
    > Arcangelli.

    well, it was first prototyped in the vsyscall patches :-)


    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: 2005-03-22 12:52    [W:0.019 / U:1.948 seconds]
    ©2003-2017 Jasper Spaans. hosted at Digital OceanAdvertise on this site