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openSUSE:Leap:15.0:Rings:1-MinimalX
xen
5a4fd893-4-x86-introduce-cpuid_policy_updated.p...
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File 5a4fd893-4-x86-introduce-cpuid_policy_updated.patch of Package xen
# Commit b357546b43ab87dfb10d740ae637a685134d5e32 # Date 2018-01-05 19:57:07 +0000 # Author Andrew Cooper <andrew.cooper3@citrix.com> # Committer Andrew Cooper <andrew.cooper3@citrix.com> x86: Introduce a common cpuid_policy_updated() No practical change at the moment, but future changes will need to react irrespective of guest type. Signed-off-by: Andrew Cooper <andrew.cooper3@citrix.com> Reviewed-by: Wei Liu <wei.liu2@citrix.com> Acked-by: Jan Beulich <jbeulich@suse.com> --- a/xen/arch/x86/domain.c +++ b/xen/arch/x86/domain.c @@ -363,6 +363,8 @@ int vcpu_initialise(struct vcpu *v) if ( (rc = init_vcpu_msr_policy(v)) ) goto fail; + + cpuid_policy_updated(v); } return rc; @@ -2018,6 +2020,16 @@ int domain_relinquish_resources(struct d return 0; } +/* + * Called during vcpu construction, and each time the toolstack changes the + * CPUID configuration for the domain. + */ +void cpuid_policy_updated(struct vcpu *v) +{ + if ( is_hvm_vcpu(v) ) + hvm_cpuid_policy_changed(v); +} + void arch_dump_domain_info(struct domain *d) { paging_dump_domain_info(d); --- a/xen/arch/x86/domctl.c +++ b/xen/arch/x86/domctl.c @@ -294,12 +294,12 @@ static int update_domain_cpuid_info(stru break; } - if ( is_hvm_domain(d) && call_policy_changed ) + if ( call_policy_changed ) { struct vcpu *v; for_each_vcpu( d, v ) - hvm_cpuid_policy_changed(v); + cpuid_policy_updated(v); } return 0; --- a/xen/arch/x86/hvm/hvm.c +++ b/xen/arch/x86/hvm/hvm.c @@ -1555,8 +1555,6 @@ int hvm_vcpu_initialise(struct vcpu *v) hvm_set_guest_tsc(v, 0); } - hvm_cpuid_policy_changed(v); - return 0; fail6: --- a/xen/include/asm-x86/domain.h +++ b/xen/include/asm-x86/domain.h @@ -79,6 +79,8 @@ void toggle_guest_mode(struct vcpu *); /* x86/64: toggle guest page tables between kernel and user modes. */ void toggle_guest_pt(struct vcpu *); +void cpuid_policy_updated(struct vcpu *v); + /* * Initialise a hypercall-transfer page. The given pointer must be mapped * in Xen virtual address space (accesses are not validated or checked).
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