On Thu, Aug 01, 2024 at 01:06:36PM +0100, Mark Brown wrote: > There is a control HCRX_EL2.GCSEn which must be set to allow GCS > features to take effect at lower ELs and also fine grained traps for GCS > usage at EL0 and EL1. Configure all these to allow GCS usage by EL0 and > EL1. > > We also initialise GCSCR_EL1 and GCSCRE0_EL1 to ensure that we can > execute function call instructions without faulting regardless of the > state when the kernel is started. > > Signed-off-by: Mark Brown <broonie@xxxxxxxxxx> Reviewed-by: Catalin Marinas <catalin.marinas@xxxxxxx>
