Direct stores instructions MOVDIRI and MOVDIR64B will be available in Tremont and other future x86 processors, and need to be exposed to guest VM.
The release document ref below link: https://software.intel.com/sites/default/files/managed/c5/15/\ architecture-instruction-set-extensions-programming-reference.pdf This series expose movdiri and movdir64b features to guest VM. Changelog: v2: Separated from the series https://lkml.org/lkml/2018/7/10/160 since umonitor/umwait/tpause instructions patches are not ready yet. v1: Sent out with umonitor/umwait/tpause instructions patches. Liu Jingqi (2): KVM: x86: expose MOVDIRI CPU feature into VM. KVM: x86: expose MOVDIR64B CPU feature into VM. arch/x86/kvm/cpuid.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) -- 2.7.4
