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| Filename | Latest commit message | Latest commit date |
|---|---|---|
46dec40fb7
This fixes a bug which causes guest virtual addresses to get translated
to guest real addresses incorrectly when the guest is using the HPT MMU
and has more than 256GB of RAM, or more specifically has a HPT larger
than 2GB. This has showed up in testing as a failure of the host to
emulate doorbell instructions correctly on POWER9 for HPT guests with
more than 256GB of RAM.
The bug is that the HPTE index in kvmppc_mmu_book3s_64_hv_xlate()
is stored as an int, and in forming the HPTE address, the index gets
shifted left 4 bits as an int before being signed-extended to 64 bits.
The simple fix is to make the variable a long int, matching the
return type of kvmppc_hv_find_lock_hpte(), which is what calculates
the index.
Fixes:
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| arch | ||
| block | ||
| certs | ||
| crypto | ||
| Documentation | ||
| drivers | ||
| firmware | ||
| fs | ||
| include | ||
| init | ||
| ipc | ||
| kernel | ||
| lib | ||
| LICENSES | ||
| mm | ||
| net | ||
| samples | ||
| scripts | ||
| security | ||
| sound | ||
| tools | ||
| usr | ||
| virt | ||
| .clang-format | ||
| .cocciconfig | ||
| .get_maintainer.ignore | ||
| .gitattributes | ||
| .gitignore | ||
| .mailmap | ||
| COPYING | ||
| CREDITS | ||
| Kbuild | ||
| Kconfig | ||
| MAINTAINERS | ||
| Makefile | ||
| 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.
See Documentation/00-INDEX for a list of what is contained in each file.
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.