On Wed, Nov 06, 2024 at 04:04:48PM +0000, Mark Rutland wrote: > SMCCCv1.3 added a hint bit which callers can set in an SMCCC function ID > (AKA "FID") to indicate that it is acceptable for the SMCCC > implementation to discard SVE and/or SME state over a specific SMCCC > call. The kernel support for using this hint is broken and SMCCC calls > may clobber the SVE and/or SME state of arbitrary tasks, though FPSIMD > state is unaffected. Reviewed-by: Mark Brown <broonie@xxxxxxxxxx>
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