diff options
| author | Suzuki K Poulose <[email protected]> | 2021-04-05 17:42:52 +0100 |
|---|---|---|
| committer | Mathieu Poirier <[email protected]> | 2021-04-06 16:05:12 -0600 |
| commit | cc427cbb15375f1229e78908064cdff98138b8b1 (patch) | |
| tree | c14e1f9cbbd4578c7792a5f622da44d68fa7dc77 | |
| parent | 3f9b72f6a180cef8da4ef87ef54f0b7a545a5580 (diff) | |
KVM: arm64: Handle access to TRFCR_EL1
Rather than falling to an "unhandled access", inject add an explicit
"undefined access" for TRFCR_EL1 access from the guest.
Cc: Marc Zyngier <[email protected]>
Cc: Will Deacon <[email protected]>
Cc: Mathieu Poirier <[email protected]>
Signed-off-by: Suzuki K Poulose <[email protected]>
Acked-by: Marc Zyngier <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Mathieu Poirier <[email protected]>
| -rw-r--r-- | arch/arm64/kvm/sys_regs.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/arm64/kvm/sys_regs.c b/arch/arm64/kvm/sys_regs.c index 4f2f1e3145de..52fdb9a015a4 100644 --- a/arch/arm64/kvm/sys_regs.c +++ b/arch/arm64/kvm/sys_regs.c @@ -1472,6 +1472,7 @@ static const struct sys_reg_desc sys_reg_descs[] = { { SYS_DESC(SYS_GCR_EL1), undef_access }, { SYS_DESC(SYS_ZCR_EL1), NULL, reset_val, ZCR_EL1, 0, .visibility = sve_visibility }, + { SYS_DESC(SYS_TRFCR_EL1), undef_access }, { SYS_DESC(SYS_TTBR0_EL1), access_vm_reg, reset_unknown, TTBR0_EL1 }, { SYS_DESC(SYS_TTBR1_EL1), access_vm_reg, reset_unknown, TTBR1_EL1 }, { SYS_DESC(SYS_TCR_EL1), access_vm_reg, reset_val, TCR_EL1, 0 }, |