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authorDavid Woodhouse <dwmw@amazon.co.uk>2022-11-19 12:27:46 +0300
committerPaolo Bonzini <pbonzini@redhat.com>2022-11-30 19:03:18 +0300
commit8acc35186ed63436bfaf60051c8bb53f344dcbfc (patch)
treeb54aa4a22c04b98c9e68a4cc2e392a78bc7c9b78 /include/linux/kvm_host.h
parentd8ba8ba4c801b794f47852a6f1821ea48f83b5d1 (diff)
downloadlinux-8acc35186ed63436bfaf60051c8bb53f344dcbfc.tar.xz
KVM: x86/xen: Add runstate tests for 32-bit mode and crossing page boundary
Torture test the cases where the runstate crosses a page boundary, and and especially the case where it's configured in 32-bit mode and doesn't, but then switching to 64-bit mode makes it go onto the second page. To simplify this, make the KVM_XEN_VCPU_ATTR_TYPE_RUNSTATE_ADJUST ioctl also update the guest runstate area. It already did so if the actual runstate changed, as a side-effect of kvm_xen_update_runstate(). So doing it in the plain adjustment case is making it more consistent, as well as giving us a nice way to trigger the update without actually running the vCPU again and changing the values. Signed-off-by: David Woodhouse <dwmw@amazon.co.uk> Reviewed-by: Paul Durrant <paul@xen.org> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'include/linux/kvm_host.h')
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