x86/hyper-v: allocate and use Virtual Processor Assist Pages

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Virtual Processor Assist Pages usage allows us to do optimized EOI
processing for APIC, enable Enlightened VMCS support in KVM and more.
struct hv_vp_assist_page is defined according to the Hyper-V TLFS v5.0b.

Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com>
Reviewed-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Radim Krčmář <rkrcmar@redhat.com>

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Vitaly Kuznetsov 2018-03-20 15:02:08 +01:00 • committed by Radim Krčmář

parent d4abc577bb

commit a46d15cc1a

3 changed files with 66 additions and 3 deletions

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43

arch/x86/hyperv/hv_init.c

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13

arch/x86/include/asm/hyperv-tlfs.h

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13

arch/x86/include/asm/mshyperv.h

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