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(parent: 5c399a0) | patch
x86/hyper-v: detect nested features
authorVitaly Kuznetsov <vkuznets@redhat.com>
Tue, 20 Mar 2018 14:02:10 +0000 (15:02 +0100)
committerRadim Krčmář <rkrcmar@redhat.com>
Wed, 28 Mar 2018 20:47:06 +0000 (22:47 +0200)
commitdd082ac787858e9310cb2a596cffc1488ea0da0f
tree428d7c84c05c36ff815298634f1dbe2f76fbbd34tree | snapshot
parent5c399a0c22e36ade31ee033934c3a0c0ef2e6f29commit | diff
x86/hyper-v: detect nested features

TLFS 5.0 says: "Support for an enlightened VMCS interface is reported with
CPUID leaf 0x40000004. If an enlightened VMCS interface is supported,
 additional nested enlightenments may be discovered by reading the CPUID
leaf 0x4000000A (see 2.4.11)."

Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com>
Reviewed-by: Michael Kelley <mikelley@microsoft.com>
Reviewed-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Radim Krčmář <rkrcmar@redhat.com>
arch/x86/include/asm/hyperv-tlfs.h diff | blob | history
arch/x86/include/asm/mshyperv.h diff | blob | history
arch/x86/kernel/cpu/mshyperv.c diff | blob | history
Linux Kernel Source Tree.