Jim Mattson
0ee4bb8ce8
[ Upstream commitb8bfee85f1] AMD's event select is 3 nybbles, with the high nybble in bits 35:32 of a PerfEvtSeln MSR. Don't drop the high nybble when setting up the config field of a perf_event_attr structure for a call to perf_event_create_kernel_counter(). Fixes:ca724305a2("KVM: x86/vPMU: Implement AMD vPMU code for KVM") Reported-by: Stephane Eranian <eranian@google.com> Signed-off-by: Jim Mattson <jmattson@google.com> Message-Id: <20220203014813.2130559-1-jmattson@google.com> Reviewed-by: David Dunn <daviddunn@google.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Sasha Levin <sashal@kernel.org>
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.