[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [Xen-devel] [PATCH 01/17] vmx: nest: fix CR4.VME in update_guest_cr
X86_CR4_VME in guest_cr[4] is updated in cr0 handling, but not in cr4 handling, fix it for guest VM86. Signed-off-by: Qing He <qing.he@xxxxxxxxx> --- vmx.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff -r 9be1d3918ec7 -r ca507122f84e xen/arch/x86/hvm/vmx/vmx.c --- a/xen/arch/x86/hvm/vmx/vmx.c Wed Apr 21 23:43:59 2010 +0800 +++ b/xen/arch/x86/hvm/vmx/vmx.c Thu Apr 22 21:28:41 2010 +0800 @@ -1174,7 +1174,8 @@ if ( paging_mode_hap(v->domain) ) v->arch.hvm_vcpu.hw_cr[4] &= ~X86_CR4_PAE; v->arch.hvm_vcpu.hw_cr[4] |= v->arch.hvm_vcpu.guest_cr[4]; - if ( v->arch.hvm_vmx.vmx_realmode ) + if ( v->arch.hvm_vmx.vmx_realmode || + (v->arch.hvm_vcpu.hw_cr[4] & X86_CR4_VME) ) v->arch.hvm_vcpu.hw_cr[4] |= X86_CR4_VME; if ( paging_mode_hap(v->domain) && !hvm_paging_enabled(v) ) { _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel
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