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(parent: c02027b) | patch
x86/kvm: Disable all PV features on crash
authorVitaly Kuznetsov <vkuznets@redhat.com>
Wed, 14 Apr 2021 12:35:43 +0000 (14:35 +0200)
committerPaolo Bonzini <pbonzini@redhat.com>
Fri, 7 May 2021 10:06:10 +0000 (06:06 -0400)
commit3d6b84132d2a57b5a74100f6923a8feb679ac2ce
tree53881bd4baa1ae3d562d09e2ca01f6fcacad543etree | snapshot
parentc02027b5742b5aa804ef08a4a9db433295533046commit | diff
x86/kvm: Disable all PV features on crash

Crash shutdown handler only disables kvmclock and steal time, other PV
features remain active so we risk corrupting memory or getting some
side-effects in kdump kernel. Move crash handler to kvm.c and unify
with CPU offline.

Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com>
Message-Id: <20210414123544.1060604-5-vkuznets@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
arch/x86/include/asm/kvm_para.h diff | blob | history
arch/x86/kernel/kvm.c diff | blob | history
arch/x86/kernel/kvmclock.c diff | blob | history
Domain: System / Kernel;