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Now that RSM is implemented in a single emulator callback, there is no point in going through other callbacks for the sake of modifying processor state. Just invoke KVM's own internal functions directly, and remove the callbacks that were only used by em_rsm; the only substantial difference is in the handling of the segment registers and descriptor cache, which have to be parsed into a struct kvm_segment instead of a struct desc_struct. This also fixes a bug where emulator_set_segment was shifting the limit left by 12 if the G bit is set, but the limit had not been shifted right upon entry to SMM. The emulator context is still used to restore EIP and the general purpose registers. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Reviewed-by: Maxim Levitsky <mlevitsk@redhat.com> Message-Id: <20220929172016.319443-5-pbonzini@redhat.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.