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Some architectures cannot always report accurately what kind of floating-point exception triggered a floating-point exception trap. This can occur with fp exceptions occurring on lanes in a vector instruction on arm64 for example. Rather than have every architecture come up with its own way of describing such a condition, this patch adds a common FPE_FLTUNK si_code value to report that an fp exception caused a trap but we cannot be certain which kind of fp exception it was. Signed-off-by: Dave Martin <Dave.Martin@arm.com> Signed-off-by: Eric W. Biederman <ebiederm@xmission.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.