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05458ee3ff
commit7dde62f068upstream. Currently we reject an attempt to restore a SVE signal frame on a system with SME but not SVE supported. This means that it is not possible to disable streaming mode via signal return as this is configured via the flags in the SVE signal context. Instead accept the signal frame, we will require it to have a vector length of 0 specified and no payload since the task will have no SVE vector length configured. Fixes:85ed24dad2("arm64/sme: Implement streaming SVE signal handling") Signed-off-by: Mark Brown <broonie@kernel.org> Link: https://lore.kernel.org/r/20221223-arm64-fix-sme-only-v1-2-938d663f69e5@kernel.org Signed-off-by: Will Deacon <will@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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.