On Mon, Feb 07, 2022 at 03:20:56PM +0000, Mark Brown wrote: > SME defines two new traps which need to be enabled for guests to ensure > that they can't use SME, one for the main SME operations which mirrors the > traps for SVE and another for access to TPIDR2 in SCTLR_EL2. > > For VHE manage SMEN along with ZEN in activate_traps() and the FP state > management callbacks, along with SCTLR_EL2.EnTPIDR2. There is no > existing dynamic management of SCTLR_EL2. > > For nVHE manage TSM in activate_traps() along with the fine grained > traps for TPIDR2 and SMPRI. There is no existing dynamic management of > fine grained traps. > > Signed-off-by: Mark Brown <broonie@xxxxxxxxxx> This looks alright to me but I'm not a kvm expert. FWIW: Reviewed-by: Catalin Marinas <catalin.marinas@xxxxxxx>
