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a2e164e7f4
Nested Hyper-V/Windows guest running on top of KVM will use TSC page clocksource in two cases: - L0 exposes invariant TSC (CPUID.80000007H:EDX[8]). - L0 provides Hyper-V Reenlightenment support (CPUID.40000003H:EAX[13]). Exposing invariant TSC effectively blocks migration to hosts with different TSC frequencies, providing reenlightenment support will be needed when we start migrating nested workloads. Implement rudimentary support for reenlightenment MSRs. For now, these are just read/write MSRs with no effect. Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com> Reviewed-by: Roman Kagan <rkagan@virtuozzo.com> Signed-off-by: Radim Krčmář <rkrcmar@redhat.com> |
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| kernel | ||
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| README | ||
Linux kernel ============ This file was moved to Documentation/admin-guide/README.rst Please notice that there are several guides for kernel developers and users. These guides can be rendered in a number of formats, like HTML and PDF. In order to build the documentation, use ``make htmldocs`` or ``make pdfdocs``. There are various text files in the Documentation/ subdirectory, several of them using the Restructured Text markup notation. See Documentation/00-INDEX for a list of what is contained in each file. Please read the Documentation/process/changes.rst file, as it contains the requirements for building and running the kernel, and information about the problems which may result by upgrading your kernel.