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744b9a0c3c
It appears that the generic version of acpi_gsi_to_irq() doesn't fallback to establishing a mapping if there is no pre-existing one while the x86 version does. While arm64 seems unaffected by it, LoongArch is relying on the x86 behaviour. In an effort to prevent new architectures from reinventing the proverbial wheel, provide an optional callback that the arch code can set to restore the x86 behaviour. Hopefully we can eventually get rid of this in the future once the expected behaviour has been clarified. Reported-by: Jianmin Lv <lvjianmin@loongson.cn> Signed-off-by: Marc Zyngier <maz@kernel.org> Signed-off-by: Jianmin Lv <lvjianmin@loongson.cn> Tested-by: Hanjun Guo <guohanjun@huawei.com> Reviewed-by: Hanjun Guo <guohanjun@huawei.com> Link: https://lore.kernel.org/r/1658314292-35346-4-git-send-email-lvjianmin@loongson.cn |
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| Documentation | ||
| drivers | ||
| fs | ||
| include | ||
| init | ||
| ipc | ||
| kernel | ||
| lib | ||
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| net | ||
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| usr | ||
| virt | ||
| .clang-format | ||
| .cocciconfig | ||
| .get_maintainer.ignore | ||
| .gitattributes | ||
| .gitignore | ||
| .mailmap | ||
| COPYING | ||
| CREDITS | ||
| Kbuild | ||
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| MAINTAINERS | ||
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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.