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Sampat" , Reinette Chatre , Ira Weiny , Chao Gao , Chenyi Qiang , linux-kernel@vger.kernel.org, kvm@vger.kernel.org Content-Type: text/plain; charset="us-ascii" On Tue, Aug 26, 2025, Binbin Wu wrote: > On 8/21/2025 12:28 PM, Sagi Shahar wrote: > > TDX can't set sregs values directly using KVM_SET_SREGS. Expose the > > default values of certain sregs used by TDX VMs so they can be set > > manually. > > > > Signed-off-by: Sagi Shahar > > --- > > .../selftests/kvm/include/x86/processor.h | 6 +++ > > .../testing/selftests/kvm/lib/x86/processor.c | 41 +++++++++++++++---- > > 2 files changed, 40 insertions(+), 7 deletions(-) > > > > diff --git a/tools/testing/selftests/kvm/include/x86/processor.h b/tools/testing/selftests/kvm/include/x86/processor.h > > index 2efb05c2f2fb..5c16507f9b2d 100644 > > --- a/tools/testing/selftests/kvm/include/x86/processor.h > > +++ b/tools/testing/selftests/kvm/include/x86/processor.h > > @@ -1026,6 +1026,12 @@ static inline struct kvm_cpuid2 *allocate_kvm_cpuid2(int nr_entries) > > void vcpu_init_cpuid(struct kvm_vcpu *vcpu, const struct kvm_cpuid2 *cpuid); > > +uint16_t kvm_get_default_idt_limit(void); > > +uint16_t kvm_get_default_gdt_limit(void); > > +uint64_t kvm_get_default_cr0(void); > > +uint64_t kvm_get_default_cr4(void); > > +uint64_t kvm_get_default_efer(void); > Can these be defined in the header file as static inline? Yes please. Performance isn't a concern, but as a developer, it's nice to not have to bounce to a definition to find such simple information.