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Gustavo A. R. Silva
d14eff1bc5
KVM: x86: Fix bit shifting in update_intel_pt_cfg
ctl_bitmask in pt_desc is of type u64. When an integer like 0xf is being left shifted more than 32 bits, the behavior is undefined. Fix this by adding suffix ULL to integer 0xf. Addresses-Coverity-ID: 1476095 ("Bad bit shift operation") Fixes: 6c0f0bba85a0 ("KVM: x86: Introduce a function to initialize the PT configuration") Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com> Reviewed-by: Wei Yang <richardw.yang@linux.intel.com> Reviewed-by: Luwei Kang <luwei.kang@intel.com> Signed-off-by: Radim Krčmář <rkrcmar@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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