On Tue, Jan 23, 2024 at 03:49:27PM +0000, Dave Martin wrote: > On Mon, Jan 22, 2024 at 08:41:53PM +0000, Mark Brown wrote: > > /proc/sys/abi/sme_default_vector_length > > > > Writing the text representation of an integer to this file sets the system > > - default vector length to the specified value, unless the value is greater > > - than the maximum vector length supported by the system in which case the > > - default vector length is set to that maximum. > > + default vector length to the specified value rounded to a supported value > > + using the same rules as for setting vector length via prctl(). > Do parallel changes need to be made in sve.rst? They are, in this very patch? > (There seems to be so much duplication and copy-paste between these > files that I wonder whether it would make sense to merge them... but > that's probably a separate discussion.) Indeed, thanks for volunteering. Note that there are differences resulting from specification differences. > Nit: is it better to name the prctl here than just to say prctl()? > That would be easier for the reader to cross-reference. I guess, though it doesn't seem entirely idiomatic.
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