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[ Upstream commit304c73ba69] Currently, on the Dell OptiPlex 5055 the EFR mismatch warning looks like below. [ 1.479774] smpboot: CPU0: AMD Ryzen 5 PRO 1500 Quad-Core Processor (family: 0x17, model: 0x1, stepping: 0x1) […] [ 2.507370] AMD-Vi: [Firmware Warn]: EFR mismatch. Use IVHD EFR (0xf77ef22294ada : 0x400f77ef22294ada ). Add the newline after the `).`, so it’s on one line. Fixes:a44092e326("iommu/amd: Use IVHD EFR for early initialization of IOMMU features") Cc: iommu@lists.linux-foundation.org Cc: Suravee Suthikulpanit <suravee.suthikulpanit@amd.com> Cc: Brijesh Singh <brijesh.singh@amd.com> Cc: Robert Richter <rrichter@amd.com> Signed-off-by: Paul Menzel <pmenzel@molgen.mpg.de> Link: https://lore.kernel.org/r/20210412180141.29605-1-pmenzel@molgen.mpg.de Signed-off-by: Joerg Roedel <jroedel@suse.de> 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.