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08a828249b
Add a guest assert in the PMU counters test to verify that KVM stuffs the vCPU's post-RESET value to globally enable all general purpose counters. Per Intel's SDM, IA32_PERF_GLOBAL_CTRL: Sets bits n-1:0 and clears the upper bits. and Where "n" is the number of general-purpose counters available in the processor. For the edge case where there are zero GP counters, follow the spirit of the architecture, not the SDM's literal wording, which doesn't account for this possibility and would require the CPU to set _all_ bits in PERF_GLOBAL_CTRL. Reviewed-by: Dapeng Mi <dapeng1.mi@linux.intel.com> Tested-by: Dapeng Mi <dapeng1.mi@linux.intel.com> Link: https://lore.kernel.org/r/20240309013641.1413400-3-seanjc@google.com Signed-off-by: Sean Christopherson <seanjc@google.com> |
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| .clang-format | ||
| .cocciconfig | ||
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| .get_maintainer.ignore | ||
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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 reStructuredText 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.