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| Filename | Latest commit message | Latest commit date |
|---|---|---|
bbb085bc0a
commit 6fd44a481b3c6111e4801cec964627791d0f3ec5 upstream.
An attempt to exercise sparc hugetlb code in a sun4u-based guest
running under qemu results in the guest hanging due to being stuck
in a trap loop. This is due to invalid hugetlb TTEs being installed
that do not have the expected _PAGE_PMD_HUGE and page size bits set.
Although the breakage has gone apparently unnoticed for several years,
fix it now so there is the option to exercise sparc hugetlb code under
qemu. This can be useful because sun4v support in qemu does not support
linux guests currently and sun4v-based hardware resources may not be
readily available.
Fix tested with a 6.15.2 and 6.16-rc6 kernels by running libhugetlbfs
tests on a qemu guest running Debian 13.
Fixes:
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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 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.