On Thu, May 03, 2018 at 08:08:38PM +0800, Luwei Kang wrote: > From: Chao Peng <[email protected]> > > Add a data structure to save Intel Processor Trace context. > It mainly include the value of Intel PT host/guest MSRs > and guest CPUID information.
I'd say that code and data should be in the same patch. > Signed-off-by: Chao Peng <[email protected]> > Signed-off-by: Luwei Kang <[email protected]> > --- > arch/x86/kvm/vmx.c | 19 +++++++++++++++++++ > 1 file changed, 19 insertions(+) > > diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c > index 27cf417..9a5c26d 100644 > --- a/arch/x86/kvm/vmx.c > +++ b/arch/x86/kvm/vmx.c > @@ -597,6 +597,23 @@ static inline int pi_test_sn(struct pi_desc *pi_desc) > (unsigned long *)&pi_desc->control); > } > > +struct pt_ctx { > + u64 ctl; > + u64 status; > + u64 output_base; > + u64 output_mask; > + u64 cr3_match; > + u64 addrs[MSR_IA32_RTIT_ADDR_COUNT]; > +}; > + > +struct pt_desc { > + u64 ctl_bitmask; > + u32 range_cnt; > + u32 caps[PT_CPUID_REGS_NUM * PT_CPUID_LEAVES]; > + struct pt_ctx host; > + struct pt_ctx guest; > +}; > + > struct vcpu_vmx { > struct kvm_vcpu vcpu; > unsigned long host_rsp; > @@ -693,6 +710,8 @@ struct vcpu_vmx { > */ > u64 msr_ia32_feature_control; > u64 msr_ia32_feature_control_valid_bits; > + > + struct pt_desc pt_desc; > }; > > enum segment_cache_field { > -- > 1.8.3.1 >
