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2013 May 20
0
Possible bug in KVM arch/x86/kvm/emulate.c:check_cr_write()?
Hi, When KVM's check_cr_write() is invoked to write to %cr3, it tests that the lower three bits of %cr3 are set to zero. On real h/w (tested on Core2, K10), these bits are ignored; the AMD64 documentation describes the bits as 'should', but not 'must' be zero. The Intel documentation seems to indicate that the...
2013 May 20
0
Possible bug in KVM arch/x86/kvm/emulate.c:check_cr_write()?
Hi, When KVM's check_cr_write() is invoked to write to %cr3, it tests that the lower three bits of %cr3 are set to zero. On real h/w (tested on Core2, K10), these bits are ignored; the AMD64 documentation describes the bits as 'should', but not 'must' be zero. The Intel documentation seems to indicate that the...