KVM: Fix MAXPHYADDR calculation when cpuid does not support it

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MAXPHYADDR is derived from cpuid 0x80000008, but when that isn't present, we
get some random value.

Fix by checking first that cpuid 0x80000008 is supported.

Acked-by: Pekka Enberg <penberg@cs.helsinki.fi>
Signed-off-by: Avi Kivity <avi@redhat.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>

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Avi Kivity 2010-04-11 15:33:32 +03:00

parent e46479f852

commit f7a711971e

1 changed files with 4 additions and 0 deletions

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arch/x86/kvm/x86.c

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