[lkml]   [2010]   [May]   [4]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
SubjectRe: [PATCH 16/22] KVM: MMU: Track page fault data in struct vcpu
On 05/04/2010 12:45 PM, Avi Kivity wrote:
> Just a silly bug. kvm_pdptr_read() can cause a guest memory read on
> svm, in this case with the mmu lock taken. I'll post something to fix
> it.

I guess this was not reported because most svm machines have npt, and
this requires npt=0 to trigger. Nonpae paging disables npt, so you were
hit. Interestingly, nsvm makes it more likely to appear, since npt on
i386+pae will need the pdptrs.

error compiling committee.c: too many arguments to function

 \ /
  Last update: 2010-05-04 11:53    [W:0.063 / U:139.928 seconds]
©2003-2018 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site