diff options
| author | Marc Zyngier <maz@kernel.org> | 2025-08-13 17:37:47 +0100 |
|---|---|---|
| committer | Oliver Upton <oliver.upton@linux.dev> | 2025-08-15 11:51:18 -0700 |
| commit | d19c541d269eddd9702b687fd4ba587c7da497a2 (patch) | |
| tree | d4d968afa5fcfca3fd7ae105e6364a16ed8b2bbf /arch/arm64/kvm/emulate-nested.c | |
| parent | 85acc29f90e0183997dea27277057c9aec2769aa (diff) | |
KVM: arm64: Correctly populate FAR_EL2 on nested SEA injection
vcpu_write_sys_reg()'s signature is not totally obvious, and it
is rather easy to write something that looks correct, except that...
Oh wait...
Swap addr and FAR_EL2 to restore some sanity in the nested SEA
department.
Fixes: 9aba641b9ec2a ("KVM: arm64: nv: Respect exception routing rules for SEAs")
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20250813163747.2591317-1-maz@kernel.org
Signed-off-by: Oliver Upton <oliver.upton@linux.dev>
Diffstat (limited to 'arch/arm64/kvm/emulate-nested.c')
| -rw-r--r-- | arch/arm64/kvm/emulate-nested.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/arm64/kvm/emulate-nested.c b/arch/arm64/kvm/emulate-nested.c index 90cb4b7ae0ff..af69c897c2c3 100644 --- a/arch/arm64/kvm/emulate-nested.c +++ b/arch/arm64/kvm/emulate-nested.c @@ -2833,7 +2833,7 @@ int kvm_inject_nested_sea(struct kvm_vcpu *vcpu, bool iabt, u64 addr) iabt ? ESR_ELx_EC_IABT_LOW : ESR_ELx_EC_DABT_LOW); esr |= ESR_ELx_FSC_EXTABT | ESR_ELx_IL; - vcpu_write_sys_reg(vcpu, FAR_EL2, addr); + vcpu_write_sys_reg(vcpu, addr, FAR_EL2); if (__vcpu_sys_reg(vcpu, SCTLR2_EL2) & SCTLR2_EL1_EASE) return kvm_inject_nested(vcpu, esr, except_type_serror); |