Yi Sun f726c4620d x86/hyperv: Add GUEST_IDLE_MSR support ... Hyper-V may expose a HV_X64_MSR_GUEST_IDLE MSR via HYPERV_CPUID_FEATURES. Reading this MSR triggers the host to transition the guest vCPU into an idle state. This state can be exited via an IPI even if the read in the guest happened from an interrupt disabled section. Signed-off-by: Yi Sun <yi.y.sun@linux.intel.com> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Michael Kelley <mikelley@microsoft.com> Cc: chao.p.peng@intel.com Cc: chao.gao@intel.com Cc: isaku.yamahata@intel.com Cc: tianyu.lan@microsoft.com Cc: "K. Y. Srinivasan" <kys@microsoft.com> Cc: Haiyang Zhang <haiyangz@microsoft.com> Cc: Stephen Hemminger <sthemmin@microsoft.com> Link: https://lkml.kernel.org/r/1538028104-114050-2-git-send-email-yi.y.sun@linux.intel.com		2018-10-09 14:14:49 +02:00
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asm	x86/hyperv: Add GUEST_IDLE_MSR support	2018-10-09 14:14:49 +02:00
uapi/asm	KVM: X86: Implement PV IPIs in linux guest	2018-08-06 17:59:22 +02:00