This should have been a benign patch. I'll try to get windows 7 installation disk and check ASAP. Nadav > On 18 Aug 2014, at 05:17, Wanpeng Li <wanpeng.li@xxxxxxxxxxxxxxx> wrote: > > Hi Nadav, >> On Wed, Jun 18, 2014 at 05:21:19PM +0300, Nadav Amit wrote: >> 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@xxxxxxxxxxxxxxxxx> >> --- >> arch/x86/include/asm/kvm_host.h | 2 +- >> 1 file changed, 1 insertion(+), 1 deletion(-) >> >> diff --git a/arch/x86/include/asm/kvm_host.h b/arch/x86/include/asm/kvm_host.h >> index 4931415..0bab29d 100644 >> --- a/arch/x86/include/asm/kvm_host.h >> +++ b/arch/x86/include/asm/kvm_host.h >> @@ -95,7 +95,7 @@ static inline gfn_t gfn_to_index(gfn_t gfn, gfn_t base_gfn, int level) >> #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 > > We observed that there is obvious regression caused by this commit, 32bit > win7 guest show blue screen during boot. > > Regards, > Wanpeng Li > >> #define ASYNC_PF_PER_VCPU 64 >> >> -- >> 1.9.1 >> >> -- >> To unsubscribe from this list: send the line "unsubscribe kvm" in >> the body of a message to majordomo@xxxxxxxxxxxxxxx >> More majordomo info at http://vger.kernel.org/majordomo-info.html > -- > To unsubscribe from this list: send the line "unsubscribe kvm" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
