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    SubjectRe: More breakage in native_rdtsc out of line in git-x86
    On Wed, Jan 09, 2008 at 04:22:08PM +0100, Ingo Molnar wrote:
    >
    > * Andi Kleen <andi@firstfloor.org> wrote:
    >
    > > > nope, it's a 64-bit setup/dependency bug/problem: the vsyscall mappings
    > > > are installed via an __initcall, and that's too late for early use. The
    > > > combo patch below fixed the crash for me, does it work on your box too?
    > >
    > > That gives
    > >
    > > /home/lsrc/quilt/linux/arch/x86/kernel/setup_64.c: In function 'setup_arch':
    > > /home/lsrc/quilt/linux/arch/x86/kernel/setup_64.c:468: error: implicit declarati
    > > on of function 'map_vsyscall'
    >
    > i guess you have an old repository.

    I just applied the patch you sent out against yesterday's git-x86.

    >
    > > But after I add a prototype to vsyscall.h it seems to work.
    > >
    > > Just the barriers are still broken [...]
    >
    > since yesterday there's a full barrier around rdtsc.

    Great.

    -Andi


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