Revert the dirty/available tracking of GPRs now that KVM copies the GPRs to the GHCB on any post-VMGEXIT VMRUN, even if a GPR is not dirty. Per commit de3cd117ed2f ("KVM: x86: Omit caching logic for always-available GPRs"), tracking for GPRs noticeably impacts KVM's code footprint. This reverts commit 1c04d8c986567c27c56c05205dceadc92efb14ff. Signed-off-by: Sean Christopherson <seanjc@google.com> Message-Id: <20210122235049.3107620-3-seanjc@google.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Linux kernel ============ There are several guides for kernel developers and users. These guides can be rendered in a number of formats, like HTML and PDF. Please read Documentation/admin-guide/README.rst first. In order to build the documentation, use ``make htmldocs`` or ``make pdfdocs``. The formatted documentation can also be read online at: https://www.kernel.org/doc/html/latest/ There are various text files in the Documentation/ subdirectory, several of them using the Restructured Text markup notation. 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.
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