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Requests for invalid CPUID leaves should map to the highest known leaf instead.

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Reviewed by:	grehan
Obtained from:	NetApp
This commit is contained in:
Neel Natu 2013-02-13 23:22:17 +00:00
parent 7c695febc9
commit 25448de222
1 changed files with 2 additions and 2 deletions
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4
sys/amd64/vmm/x86.c
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@ -54,8 +54,6 @@ x86_emulate_cpuid(struct vm *vm, int vcpu_id,
unsigned int func, regs[4];
enum x2apic_state x2apic_state;
func = *eax;
/*
* Requests for invalid CPUID levels should map to the highest
* available level instead.
@ -70,6 +68,8 @@ x86_emulate_cpuid(struct vm *vm, int vcpu_id,
*eax = cpu_high;
}
func = *eax;
/*
* In general the approach used for CPU topology is to
* advertise a flat topology where all CPUs are packages with