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1547db7d1f
This is a lead-up patch to enable syscall stack randomization, which uses alloca() and makes the compiler add unconditional stack canaries on syscall entry. In order to avoid triggering needless checks and slowing down the entry path, the feature needs to disable stack protector at the compilation unit level as there is no general way to control stack protector coverage with a function attribute. So move system_call_exception() to syscall.c to avoid affecting other functions in interrupt.c. Suggested-by: Michael Ellerman <mpe@ellerman.id.au> Signed-off-by: Xiu Jianfeng <xiujianfeng@huawei.com> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://lore.kernel.org/r/20220701082435.126596-2-xiujianfeng@huawei.com |
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| 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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| 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.