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xen-devel
RE: [Xen-devel] [PATCH] clean up vmx_world_restore and its comments.
>+ /* guest setup page table in real mode, and enables PE,
>then PG. */
>+ if ( !hvm_paging_enabled(v) && v->arch.hvm_vmx.vmxassist_enabled )
>+ v->arch.hvm_vcpu.guest_cr[3] = c->cr3;
>
>Any reason to gate this on vmxassist_enabled? Must you avoid modifying
>guest_cr[3] when switching into vmxassist mode?
No, this happens only when guest exits vmxassist mode.
>
>I'd really expect this code to just look a lot like vmx_vmcs_restore().
That
>is, update all of CR0-CR4, then unconditionally get a
>reference on cr3 (if paging enabled) and drop old cr3 reference.
>
I think it is.
-Xin
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