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e449759c24
The emergency print support only works for 8250 compatible serial ports. Now that OpenRISC platforms may be configured with different serial port hardware we don't want emergency print to try to print to non-existent hardware which will cause lockups. This patch contains several fixes to get emergency print working again: - Update symbol loading to not assume the location of symbols - Split the putc print operation out to its own function to allow for different future implementations. - Update _emergency_print_nr and _emergency_print to use the putc function. - Guard serial 8250 specific sequences by CONFIG_SERIAL_8250 - Update string line feed from lf,cr to cr,lf. Signed-off-by: Stafford Horne <shorne@gmail.com> |
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| fs | ||
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| init | ||
| ipc | ||
| kernel | ||
| lib | ||
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| virt | ||
| .clang-format | ||
| .cocciconfig | ||
| .get_maintainer.ignore | ||
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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.