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deacdb3e39
Fix a bug introduced by the changes we made to lockless page table walking this cycle. When using the hash MMU, and perf with callchain recording, we can deadlock if the PMI interrupts a hash fault, and the callchain recording then takes a hash fault on the same page. Thanks to: Nicholas Piggin, Aneesh Kumar K.V, Anton Blanchard, Athira Rajeev. -----BEGIN PGP SIGNATURE----- iQJHBAABCAAxFiEEJFGtCPCthwEv2Y/bUevqPMjhpYAFAl8kE4ATHG1wZUBlbGxl cm1hbi5pZC5hdQAKCRBR6+o8yOGlgA+CD/9wDQ86dfw3Bu/v2gVeQK/2b5bYhCuo F6Ns1udWYz6Nmbf8QoCxBWlmbzfHSapV58ZLo84eLRSRh5ulNubBolO6JNB2ZJop j2nyClDNfWu3Eup2u4H9zhPLKZFSfAqHxGS4HIgrkAqkzIGkdF3rCn+OE5HvSPen Zy3JV2aUVhyMyJquia71q0q88G7q2TmxfGggmMHJxes93baYodof3jzK0f/5AVkp FWDs6irLcd+Zt+Ix+M6No7v/7e4ZvAp/K5mpJ91tLCEq1Z26Ubpq/SQbSGfr1P9c 1XfUypLTbdiHjNf2c/MkhOMTcl1TG0BETscjAC8Ku6UgO+GpSrUgv/lCuSVDXU2p uk6uF4JXw46ohrQY50yBTC91I1/8TG4yCi1PtT/Z8kFejNXsGgS9O4KaNLsa1Rg8 f9qH4bXxmL7jbSInJjG2uHTGsG4xw/ze5zD1jg9uI5F4JsY4OAWD3rLOkbGZhqhI tpM9lYFL8weDOv+aa/+TmgfNBuEd0V9YgjOcJFw1zz9ssrCpz0WrGwVy7N2Vq2pX UT52y09LyUopFBFuvfQpzUr8C8FAkSnfzdKSFt4fc88NSluf2vt+DwOfNeI6NzbU dPhJD0gPcJvmJKjKHlVwFB1dgQKlXiHSKjlQejS7Ig/zJCUXbi5MzBgMWvVMIHM2 7EAE50Ok0aeCVg== =/dwh -----END PGP SIGNATURE----- Merge tag 'powerpc-5.8-8' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux Pull powerpc fix from Michael Ellerman: "Fix a bug introduced by the changes we made to lockless page table walking this cycle. When using the hash MMU, and perf with callchain recording, we can deadlock if the PMI interrupts a hash fault, and the callchain recording then takes a hash fault on the same page. Thanks to Nicholas Piggin, Aneesh Kumar K.V, Anton Blanchard, and Athira Rajeev" * tag 'powerpc-5.8-8' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux: powerpc/64s/hash: Fix hash_preload running with interrupts enabled |
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| certs | ||
| crypto | ||
| Documentation | ||
| drivers | ||
| 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 | ||
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| 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.
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.