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KVM: x86: Increase the number of fixed MTRR regs to 10 

commit 682367c494869008eb89ef733f196e99415ae862 upstream.

Recent Intel CPUs have 10 variable range MTRRs. Since operating systems
sometime make assumptions on CPUs while they ignore capability MSRs, it is
better for KVM to be consistent with recent CPUs. Reporting more MTRRs than
actually supported has no functional implications.

Signed-off-by: Nadav Amit <namit@cs.technion.ac.il>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Nadav Amit 2014-06-18 17:21:19 +03:00 committed by Greg Kroah-Hartman
parent 82252eaccd
commit 470d85691e
1 changed files with 1 additions and 1 deletions
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2
arch/x86/include/asm/kvm_host.h
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@ -92,7 +92,7 @@
#define KVM_REFILL_PAGES 25
#define KVM_MAX_CPUID_ENTRIES 80
#define KVM_NR_FIXED_MTRR_REGION 88
#define KVM_NR_VAR_MTRR 8
#define KVM_NR_VAR_MTRR 10
#define ASYNC_PF_PER_VCPU 64