On Wed, Nov 06, 2024 at 04:42:20PM +0000, Mark Rutland wrote: > Although support for SME was merged in v5.19, we've since uncovered a > number of issues with the implementation, including issues which might > corrupt the FPSIMD/SVE/SME state of arbitrary tasks. While there are > patches to address some of these issues, ongoing review has highlighted > additional functional problems, and more time is necessary to analyse > and fix these. It would be good to start landing some of those as well (and more of the test improvements that are pending as well). > For now, mark SME as BROKEN in the hope that we can fix things properly > in the near future. As SME is an OPTIONAL part of ARMv9.2+, and there is > very little extant hardware, this should not adversely affect the vast > majority of users. It doesn't seem ideal to bounce on and off in stable, though as you say there aren't really any practical systems at the minute and hopefully we can revert this fairly soon.
Attachment:
signature.asc
Description: PGP signature
