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22d0bc0721
KVM x86 fixes for 6.8: - Make a KVM_REQ_NMI request while handling KVM_SET_VCPU_EVENTS if and only if the incoming events->nmi.pending is non-zero. If the target vCPU is in the UNITIALIZED state, the spurious request will result in KVM exiting to userspace, which in turn causes QEMU to constantly acquire and release QEMU's global mutex, to the point where the BSP is unable to make forward progress. - Fix a type (u8 versus u64) goof that results in pmu->fixed_ctr_ctrl being incorrectly truncated, and ultimately causes KVM to think a fixed counter has already been disabled (KVM thinks the old value is '0'). - Fix a stack leak in KVM_GET_MSRS where a failed MSR read from userspace that is ultimately ignored due to ignore_msrs=true doesn't zero the output as intended.
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.