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While configurable at runtime, the DEBUG mode assert failure behavior is usually either desired or not for a particular situation. For example, developers using kernel modules may prefer for fatal asserts to remain disabled across module reloads while QE engineers doing broad regression testing may prefer to have fatal asserts enabled on boot to facilitate data collection for bug reports. To provide a compromise/convenience for developers, create a Kconfig option that sets the default value of the DEBUG mode 'bug_on_assert' sysfs tunable. The default behavior remains to trigger kernel BUGs on assert failures to preserve existing behavior across kernel configuration updates with DEBUG mode enabled. Signed-off-by: Brian Foster <bfoster@redhat.com> Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com> Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com> |
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Linux kernel ============ This file was moved to Documentation/admin-guide/README.rst Please notice that there are several guides for kernel developers and users. These guides can be rendered in a number of formats, like HTML and PDF. In order to build the documentation, use ``make htmldocs`` or ``make pdfdocs``. There are various text files in the Documentation/ subdirectory, several of them using the Restructured Text markup notation. See Documentation/00-INDEX for a list of what is contained in each file. 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.