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CPUID.0xD.1.EBX enumerates the size of the XSAVE area (in compacted format) required by XSAVES. If CPUID.0xD.i.ECX[1] is set for a state component (i), this state component should be located on the next 64-bytes boundary following the preceding state component in the compacted layout. Fix xstate_required_size() to follow the alignment rule. AMX is the first state component with 64-bytes alignment to catch this bug. Signed-off-by: Jing Liu <jing2.liu@intel.com> Signed-off-by: Yang Zhong <yang.zhong@intel.com> Message-Id: <20220105123532.12586-4-yang.zhong@intel.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.