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3f0a50f345
Note: this potentially breaks custom qemu_configs if people are using them! But the fix for them is simple, don't specify multiple arguments in one string and don't add on a redundant ''. It feels a bit iffy to be using a shell in the first place. There's the usual shenanigans where people could pass in arbitrary shell commands via --kernel_arg (since we're just adding '' around the kernel_cmdline) or via a custom qemu_config. This isn't too much of a concern given the nature of this script (and the qemu_config file is in python, you can do w/e you want already). But it does have some other drawbacks. One example of a kunit-specific pain point: If the relevant qemu binary is missing, we get output like this: > /bin/sh: line 1: qemu-system-aarch64: command not found This in turn results in our KTAP parser complaining about missing/invalid KTAP, but we don't directly show the error! It's even more annoying to debug when you consider --raw_output only shows KUnit output by default, i.e. you need --raw_output=all to see it. Whereas directly invoking the binary, Python will raise a FileNotFoundError for us, which is a noisier but more clear. Making this change requires * splitting parameters like ['-m 256'] into ['-m', '256'] in kunit/qemu_configs/*.py * change [''] to [] in kunit/qemu_configs/*.py since otherwise QEMU fails w/ 'Device needs media, but drive is empty' * dropping explicit quoting of the kernel cmdline * using shlex.quote() when we print what command we're running so the user can copy-paste and run it Signed-off-by: Daniel Latypov <dlatypov@google.com> Reviewed-by: Brendan Higgins <brendanhiggins@google.com> Signed-off-by: Shuah Khan <skhan@linuxfoundation.org> |
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| certs | ||
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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 | ||
| 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.
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.