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commit65fee014dcupstream. Commit7db5e9e9e5("MIPS: loongson64: fix FTLB configuration") move decode_configs() from the beginning of cpu_probe_loongson() to the end in order to fix FTLB configuration. However, it breaks the CPUCFG decoding because decode_configs() use "c->options = xxxx" rather than "c->options |= xxxx", all information get from CPUCFG by decode_cpucfg() is lost. This causes error when creating a KVM guest on Loongson-3A4000: Exception Code: 4 not handled @ PC: 0000000087ad5981, inst: 0xcb7a1898 BadVaddr: 0x0 Status: 0x0 Fix this by moving the c->cputype setting to the beginning and moving decode_configs() after that. Fixes:7db5e9e9e5("MIPS: loongson64: fix FTLB configuration") Cc: stable@vger.kernel.org Cc: Huang Pei <huangpei@loongson.cn> Signed-off-by: Huacai Chen <chenhuacai@loongson.cn> Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.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.