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(parent: 7a7637f) | patch
x86/hyper-v: allocate and use Virtual Processor Assist Pages
authorVitaly Kuznetsov <vkuznets@redhat.com>
Tue, 20 Mar 2018 14:02:08 +0000 (15:02 +0100)
committerRadim Krčmář <rkrcmar@redhat.com>
Wed, 28 Mar 2018 20:47:06 +0000 (22:47 +0200)
commit1c59f4ef4cb492b546ac8572f939f4c359423c43
tree583e833789b6b1e72a6ecbad409227d9b42c1289tree | snapshot
parent7a7637fa04b1a774a4f48cc6ab8769256e1ea8c9commit | diff
x86/hyper-v: allocate and use Virtual Processor Assist Pages

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>
arch/x86/hyperv/hv_init.c diff | blob | history
arch/x86/include/asm/hyperv-tlfs.h diff | blob | history
arch/x86/include/asm/mshyperv.h diff | blob | history
Linux Kernel Source Tree.