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| author | Mark Rutland <mark.rutland@arm.com> | 2018-12-06 12:31:44 +0000 |
|---|---|---|
| committer | Marc Zyngier <marc.zyngier@arm.com> | 2018-12-18 15:14:45 +0000 |
| commit | d1878af3a5a6ac00bc8a3edfecf80539ee9c546e (patch) | |
| tree | 1303c8d4b65b2afb65082ae216d3a3bdda1d509e /arch/arm/kvm | |
| parent | fb544d1ca65a89f7a3895f7531221ceeed74ada7 (diff) | |
| download | lwn-d1878af3a5a6ac00bc8a3edfecf80539ee9c546e.tar.gz lwn-d1878af3a5a6ac00bc8a3edfecf80539ee9c546e.zip | |
KVM: arm/arm64: Log PSTATE for unhandled sysregs
When KVM traps an unhandled sysreg/coproc access from a guest, it logs
the guest PC. To aid debugging, it would be helpful to know which
exception level the trap came from, along with other PSTATE/CPSR bits,
so let's log the PSTATE/CPSR too.
Acked-by: Christoffer Dall <christoffer.dall@arm.com>
Signed-off-by: Mark Rutland <mark.rutland@arm.com>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Diffstat (limited to 'arch/arm/kvm')
| -rw-r--r-- | arch/arm/kvm/coproc.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/arm/kvm/coproc.c b/arch/arm/kvm/coproc.c index cb094e55dc5f..222c1635bc7a 100644 --- a/arch/arm/kvm/coproc.c +++ b/arch/arm/kvm/coproc.c @@ -602,8 +602,8 @@ static int emulate_cp15(struct kvm_vcpu *vcpu, } } else { /* If access function fails, it should complain. */ - kvm_err("Unsupported guest CP15 access at: %08lx\n", - *vcpu_pc(vcpu)); + kvm_err("Unsupported guest CP15 access at: %08lx [%08lx]\n", + *vcpu_pc(vcpu), *vcpu_cpsr(vcpu)); print_cp_instr(params); kvm_inject_undefined(vcpu); } |