Re: More breakage in native_rdtsc out of line in git-x86

[Andi Kleen <andi@firstfloor.org>]

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