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a445fc457d
It is a little different between Intel and AMD, Intel's bit 2 is 0 and AMD is reserved. On bare-metal, Intel will refuse to set APIC_TDCR once bits except 0, 1, 3 are setting, however, AMD will accept bits 0, 1, 3 and ignore other bits setting as patch does. Before the patch, we can get back anything what we set to the APIC_TDCR, this patch improves it. Signed-off-by: Wanpeng Li <wanpengli@tencent.com> Message-Id: <1596165141-28874-2-git-send-email-wanpengli@tencent.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.