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567926cca9
Current versions of Intel's SDM incorrectly state that "bits 31:15 of the VM-Entry exception error-code field" must be zero. In reality, bits 31:16 must be zero, i.e. error codes are 16-bit values. The bogus error code check manifests as an unexpected VM-Entry failure due to an invalid code field (error number 7) in L1, e.g. when injecting a #GP with error_code=0x9f00. Nadav previously reported the bug[*], both to KVM and Intel, and fixed the associated kvm-unit-test. [*] https://patchwork.kernel.org/patch/11124749/ Reported-by: Nadav Amit <namit@vmware.com> Cc: stable@vger.kernel.org Signed-off-by: Sean Christopherson <sean.j.christopherson@intel.com> Reviewed-by: Jim Mattson <jmattson@google.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> |
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| README | ||
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.