On 02.09.2014 15:45, Paolo Bonzini wrote:
This *is* different though. I don't see any kvm_inj_exception at all
(with my patch it should be for vector 0xfe).
I've applied the part of your patch, that fixes the uninitialized
exception vector problem, otherwise the lockup will trigger before my
code will have chance to hang on APIC. Namely, I did the following change:
--- a/arch/x86/kvm/paging_tmpl.h 2014-09-02 21:53:26.035112557 +0600
+++ b/arch/x86/kvm/paging_tmpl.h 2014-09-02 21:53:46.145110721 +0600
@@ -366,7 +366,7 @@
real_gpa = mmu->translate_gpa(vcpu, gfn_to_gpa(gfn), access);
if (real_gpa == UNMAPPED_GVA)
- return 0;
+ goto error;
walker->gfn = real_gpa >> PAGE_SHIFT;
So they should look like regular page faults (as they ought to, I guess)
now.
Thanks,
Valentine
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