Re: [kvm-devel] [PATCH 02/33] KVM: MMU: emulated cmpxchg8b should be atomic on i386

2008-01-07 Thread Avi Kivity
Carlo Marcelo Arenas Belon wrote: > On Sun, Jan 06, 2008 at 04:39:08PM +0200, Avi Kivity wrote: > >> From: Marcelo Tosatti <[EMAIL PROTECTED]> >> >> Emulate cmpxchg8b atomically on i386. This is required to avoid a guest >> pte walker from seeing a splitted write. >> >> [avi: make it compile] >>

Re: [kvm-devel] [PATCH 02/33] KVM: MMU: emulated cmpxchg8b should be atomic on i386

2008-01-06 Thread Carlo Marcelo Arenas Belon
On Sun, Jan 06, 2008 at 04:39:08PM +0200, Avi Kivity wrote: > From: Marcelo Tosatti <[EMAIL PROTECTED]> > > Emulate cmpxchg8b atomically on i386. This is required to avoid a guest > pte walker from seeing a splitted write. > > [avi: make it compile] > > Signed-off-by: Marcelo Tosatti <[EMAIL PRO

[kvm-devel] [PATCH 02/33] KVM: MMU: emulated cmpxchg8b should be atomic on i386

2008-01-06 Thread Avi Kivity
From: Marcelo Tosatti <[EMAIL PROTECTED]> Emulate cmpxchg8b atomically on i386. This is required to avoid a guest pte walker from seeing a splitted write. [avi: make it compile] Signed-off-by: Marcelo Tosatti <[EMAIL PROTECTED]> Signed-off-by: Avi Kivity <[EMAIL PROTECTED]> --- drivers/kvm/x86.