On Tue, Sep 01, 2026 at 10:47:09PM +0100, Mark Brown wrote: > Now that GCS is configurable via the ID registers update set_id_regs to > cover ID_AA64PFR1_EL1.GCS. > > Signed-off-by: Mark Brown <[email protected]> > --- > tools/testing/selftests/kvm/arm64/set_id_regs.c | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/tools/testing/selftests/kvm/arm64/set_id_regs.c > b/tools/testing/selftests/kvm/arm64/set_id_regs.c > index 7429a1055df5..34e59fbbbe89 100644 > --- a/tools/testing/selftests/kvm/arm64/set_id_regs.c > +++ b/tools/testing/selftests/kvm/arm64/set_id_regs.c > @@ -154,6 +154,7 @@ static const struct reg_ftr_bits ftr_id_aa64pfr0_el1[] = { > > static const struct reg_ftr_bits ftr_id_aa64pfr1_el1[] = { > REG_FTR_BITS(FTR_LOWER_SAFE, ID_AA64PFR1_EL1, DF2, 0), > + REG_FTR_BITS(FTR_LOWER_SAFE, ID_AA64PFR1_EL1, GCS, 0), > REG_FTR_BITS(FTR_LOWER_SAFE, ID_AA64PFR1_EL1, CSV2_frac, 0), > REG_FTR_BITS(FTR_LOWER_SAFE, ID_AA64PFR1_EL1, SSBS, > ID_AA64PFR1_EL1_SSBS_NI), > REG_FTR_BITS(FTR_LOWER_SAFE, ID_AA64PFR1_EL1, BT, 0),
Check this register for this GCS field, any value >= 0 is safe. Used to test setting id_regs IIUC. If that's correct, then: Reviewed-by: Leonardo Bras <[email protected]> Thanks, Leo
