Re: [discuss] [patch] x86_64: align and pad x86_64 GDT on pageboundary

[Zwane Mwaikambo]

On Fri, 9 Dec 2005, Ravikiran G Thirumalai wrote:

> > For the BP case it's ok as 
> > long as the beginning is correctly aligned and the rest 
> > is read-only.
> 
> Just that any writes on the bp GDT will invalidate the idt_table cacheline,
> which is read mostly (as Nippun pointed out).  So could we keep the padding
> as it is for the BP too? 

But how often is this occuring? I presume this is for the virtualisation 
case only?

Thanks
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/