On 11/15/2010 05:17 PM, Avi Kivity wrote: > On 11/15/2010 07:41 AM, Xiao Guangrong wrote: >> On 11/14/2010 06:56 PM, Avi Kivity wrote: >> > On 11/12/2010 12:34 PM, Xiao Guangrong wrote: >> >> We can past the page fault to guest directly if gpte's reserved >> >> is set >> >> >> > >> > How can that work? shadow_notrap_nonpresent_pte causes a fault with >> > PFEC.P=PFEC.RSVD=0, while we need PFEC.P=PFEC.RSVD=1. >> > >> >> Ah, i missed it for a long time, thanks for you point it out. >> >> The same mistake is in 'prefetch' path, i'll fix it in the v2 version. > > Doesn't access.flat catch this? Unfortunately, it can't catch this. > > Ideally we'd have a test case to catch this, but it may be hard to write. > Um. i'll do it later. -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
