On Fri, 2024-01-12 at 01:34 -0800, Li, Xin3 wrote: > Define VMX basic information fields with BIT_ULL()/GENMASK_ULL(), and > replace hardcoded VMX basic numbers with these field macros. > > Per Sean's ask, save the full/raw value of MSR_IA32_VMX_BASIC in the > global vmcs_config as type u64 to get rid of the hi/lo crud, and then > use VMX_BASIC helpers to extract info as needed. For the sake of wanting a single 'u64 vmx_basic', feel free to add: Acked-by: Kai Huang <kai.huang@xxxxxxxxx> Although I still don't like splitting ... [...] > --- a/arch/x86/include/asm/vmx.h > +++ b/arch/x86/include/asm/vmx.h > @@ -120,6 +120,14 @@ > ... > +/* VMX_BASIC bits and bitmasks */ > +#define VMX_BASIC_32BIT_PHYS_ADDR_ONLY BIT_ULL(48) > +#define VMX_BASIC_INOUT BIT_ULL(54) > + > ... > --- a/arch/x86/kvm/vmx/nested.c > +++ b/arch/x86/kvm/vmx/nested.c > @@ -1226,23 +1226,32 @@ static bool is_bitwise_subset(u64 superset, u64 subset, u64 mask) > return (superset | subset) == superset; > } > > +#define VMX_BASIC_DUAL_MONITOR_TREATMENT BIT_ULL(49) > +#define VMX_BASIC_TRUE_CTLS BIT_ULL(55) ... these VMX_BASIC bit definitions across multiple files. [...] > +#define VMX_BASIC_MEM_TYPE_WB (MEM_TYPE_WB << 50); Also, please fix this one.