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Move the bit defines for MSR_IA32_VMX_BASIC from msr-index.h to vmx.h so that they are colocated with other VMX MSR bit defines, and with the helpers that extract specific information from an MSR_IA32_VMX_BASIC value. Opportunistically use BIT_ULL() instead of open coding hex values. Opportunistically rename VMX_BASIC_64 to VMX_BASIC_32BIT_PHYS_ADDR_ONLY, as "VMX_BASIC_64" is widly misleading. The flag enumerates that addresses are limited to 32 bits, not that 64-bit addresses are allowed. Last but not least, opportunistically #define DUAL_MONITOR_TREATMENT so that all known single-bit feature flags are defined (this will allow replacing open-coded literals in the future). Cc: Shan Kang <shan.kang@intel.com> Cc: Kai Huang <kai.huang@intel.com> Signed-off-by: Xin Li <xin3.li@intel.com> [sean: split to separate patch, write changelog] Reviewed-by: Zhao Liu <zhao1.liu@intel.com> Reviewed-by: Kai Huang <kai.huang@intel.com> Reviewed-by: Xiaoyao Li <xiaoyao.li@intel.com> Link: https://lore.kernel.org/r/20240605231918.2915961-5-seanjc@google.com Signed-off-by: Sean Christopherson <seanjc@google.com>