Messages in this thread | | | Date | Wed, 9 Jan 2008 16:51:24 +0100 | From | Andi Kleen <> | Subject | Re: More breakage in native_rdtsc out of line in git-x86 |
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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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