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x86/pv: Use per-domain policy information when calculating the cpumasks
... rather than dynamically clamping against the PV maximum policy. Signed-off-by: Andrew Cooper <andrew.cooper3@citrix.com> Reviewed-by: Jan Beulich <jbeulich@suse.com>
This commit is contained in:
Andrew Cooper committed
1 parent
d096102150
commit
53be78aeff
1 file changed
+6
-6
@@ -100,8 +100,8 @@ static void update_domain_cpuid_info(struct domain *d,
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if ( is_pv_domain(d) && ((levelling_caps & LCAP_1cd) == LCAP_1cd) )
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{
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uint64_t mask = cpuidmask_defaults._1cd;
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uint32_t ecx = ctl->ecx & pv_featureset[FEATURESET_1c];
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uint32_t edx = ctl->edx & pv_featureset[FEATURESET_1d];
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uint32_t ecx = p->basic._1c;
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uint32_t edx = p->basic._1d;
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/*
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* Must expose hosts HTT and X2APIC value so a guest using native
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@@ -175,7 +175,7 @@ static void update_domain_cpuid_info(struct domain *d,
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{
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uint64_t mask = cpuidmask_defaults._7ab0;
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uint32_t eax = ctl->eax;
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uint32_t ebx = ctl->ebx & pv_featureset[FEATURESET_7b0];
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uint32_t ebx = p->feat._7b0;
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if ( boot_cpu_data.x86_vendor == X86_VENDOR_AMD )
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mask &= ((uint64_t)eax << 32) | ebx;
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@@ -191,7 +191,7 @@ static void update_domain_cpuid_info(struct domain *d,
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if ( is_pv_domain(d) && ((levelling_caps & LCAP_Da1) == LCAP_Da1) )
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{
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uint64_t mask = cpuidmask_defaults.Da1;
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uint32_t eax = ctl->eax & pv_featureset[FEATURESET_Da1];
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uint32_t eax = p->xstate.Da1;
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if ( boot_cpu_data.x86_vendor == X86_VENDOR_INTEL )
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mask &= (~0ULL << 32) | eax;
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@@ -204,8 +204,8 @@ static void update_domain_cpuid_info(struct domain *d,
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if ( is_pv_domain(d) && ((levelling_caps & LCAP_e1cd) == LCAP_e1cd) )
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{
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uint64_t mask = cpuidmask_defaults.e1cd;
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uint32_t ecx = ctl->ecx & pv_featureset[FEATURESET_e1c];
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uint32_t edx = ctl->edx & pv_featureset[FEATURESET_e1d];
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uint32_t ecx = p->extd.e1c;
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uint32_t edx = p->extd.e1d;
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/*
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* Must expose hosts CMP_LEGACY value so a guest using native
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