All of lore.kernel.org
 help / color / mirror / Atom feed
* AMD SVM question (svm_asid_g_invlpg)
@ 2009-03-17 14:14 Gianluca Guida
  0 siblings, 0 replies; only message in thread
From: Gianluca Guida @ 2009-03-17 14:14 UTC (permalink / raw)
  To: xen-devel@lists.xensource.com

Hello,

SVM code doesn't use the INVLPGA instruction, but rather invalidate the 
whole ASID when invalidating a guest page.

INVLPG exit is enabled only on shadow code, which is smart enough to 
handle corner cases like splintered pagetables invlpg's.

Is this a workaround for some buggy hardware? Is there any problem in 
enabling the INVLPGA instruction?

Thanks,
Gianluca

^ permalink raw reply	[flat|nested] only message in thread

only message in thread, other threads:[~2009-03-17 14:14 UTC | newest]

Thread overview: (only message) (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2009-03-17 14:14 AMD SVM question (svm_asid_g_invlpg) Gianluca Guida

This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.