lkml.org 
[lkml]   [2022]   [Dec]   [13]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
From
Date
SubjectRe: [PATCH 4/5] KVM: x86/mmu: Don't install TDP MMU SPTE if SP has unexpected level
On Mon, Dec 12, 2022 at 7:30 PM Sean Christopherson <seanjc@google.com> wrote:
>
> Don't install a leaf TDP MMU SPTE if the parent page's level doesn't
> match the target level of the fault, and instead have the vCPU retry the
> faulting instruction after warning. Continuing on is completely
> unnecessary as the absolute worst case scenario of retrying is DoSing
> the vCPU, whereas continuing on all but guarantees bigger explosions, e.g.

Would it make sense to kill the VM instead via KVM_BUG()?

\
 
 \ /
  Last update: 2022-12-13 19:01    [W:1.425 / U:0.072 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site