On Mon, Feb 07, 2022 at 03:20:38PM +0000, Mark Brown wrote: > SME requires similar setup to that for SVE: disable traps to EL2 and > make sure that the maximum vector length is available to EL1, for SME we > have two traps - one for SME itself and one for TPIDR2. > > In addition since we currently make no active use of priority control > for SCMUs we map all SME priorities lower ELs may configure to 0, the > architecture specified minimum priority, to ensure that nothing we > manage is able to configure itself to consume excessive resources. This > will need to be revisited should there be a need to manage SME > priorities at runtime. > > Signed-off-by: Mark Brown <broonie@xxxxxxxxxx> Reviewed-by: Catalin Marinas <catalin.marinas@xxxxxxx>
