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| author |   Sebastian Ott <sebott@redhat.com> | 2025-03-12 13:40:53 -0700 |
|---|---|---|
| committer |   Oliver Upton <oliver.upton@linux.dev> | 2025-03-12 13:40:53 -0700 |
| commit | edfd826b8be7f6fa4bc120a9551d75f0cbf05cc6 (patch) | |
| tree | f618de9a416d1b73106b6c7da1d8f407e2fe269d | |
| parent | KVM: arm64: Allow userspace to write ID_AA64MMFR0_EL1.TGRAN*_2 (diff) | |
| download | wireguard-linux-edfd826b8be7f6fa4bc120a9551d75f0cbf05cc6.tar.xz wireguard-linux-edfd826b8be7f6fa4bc120a9551d75f0cbf05cc6.zip | |
KVM: arm64: selftests: Test that TGRAN*_2 fields are writable
Userspace can write to these fields for non-NV guests; add test that do
just that.
Signed-off-by: Sebastian Ott <sebott@redhat.com>
Link: https://lore.kernel.org/kvmarm/20250306184013.30008-1-sebott@redhat.com/
Signed-off-by: Oliver Upton <oliver.upton@linux.dev>
Diffstat (limited to '')
| -rw-r--r-- | tools/testing/selftests/kvm/arm64/set_id_regs.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/tools/testing/selftests/kvm/arm64/set_id_regs.c b/tools/testing/selftests/kvm/arm64/set_id_regs.c index 217541fe6536..f71b8da4255b 100644 --- a/tools/testing/selftests/kvm/arm64/set_id_regs.c +++ b/tools/testing/selftests/kvm/arm64/set_id_regs.c @@ -146,6 +146,9 @@ static const struct reg_ftr_bits ftr_id_aa64pfr1_el1[] = { static const struct reg_ftr_bits ftr_id_aa64mmfr0_el1[] = { REG_FTR_BITS(FTR_LOWER_SAFE, ID_AA64MMFR0_EL1, ECV, 0), REG_FTR_BITS(FTR_LOWER_SAFE, ID_AA64MMFR0_EL1, EXS, 0), + REG_FTR_BITS(FTR_EXACT, ID_AA64MMFR0_EL1, TGRAN4_2, 1), + REG_FTR_BITS(FTR_EXACT, ID_AA64MMFR0_EL1, TGRAN64_2, 1), + REG_FTR_BITS(FTR_EXACT, ID_AA64MMFR0_EL1, TGRAN16_2, 1), S_REG_FTR_BITS(FTR_LOWER_SAFE, ID_AA64MMFR0_EL1, TGRAN4, 0), S_REG_FTR_BITS(FTR_LOWER_SAFE, ID_AA64MMFR0_EL1, TGRAN64, 0), REG_FTR_BITS(FTR_LOWER_SAFE, ID_AA64MMFR0_EL1, TGRAN16, 0), |