On Wednesday 03 Feb 2021 at 15:58:32 (+0000), Will Deacon wrote:

On Fri, Jan 08, 2021 at 12:15:21PM +0000, Quentin Perret wrote:

quoted

Refactor __populate_fault_info() to introduce __get_fault_info() which
will be used once the host is wrapped in a stage 2.

Signed-off-by: Quentin Perret <redacted>
---
 arch/arm64/kvm/hyp/include/hyp/switch.h | 36 +++++++++++++++----------
 1 file changed, 22 insertions(+), 14 deletions(-)

diff --git a/arch/arm64/kvm/hyp/include/hyp/switch.h b/arch/arm64/kvm/hyp/include/hyp/switch.h
index 84473574c2e7..e9005255d639 100644
--- a/arch/arm64/kvm/hyp/include/hyp/switch.h
+++ b/arch/arm64/kvm/hyp/include/hyp/switch.h

@@ -157,19 +157,9 @@ static inline bool __translate_far_to_hpfar(u64 far, u64 *hpfar)
 	return true;
 }
 
-static inline bool __populate_fault_info(struct kvm_vcpu *vcpu)
+static inline bool __get_fault_info(u64 esr, u64 *far, u64 *hpfar)

Could this take a pointer to a struct kvm_vcpu_fault_info instead?

The disr_el1 field will be unused in this case, but yes, that should
work.

Cheers,
Quentin