[PATCH v5 7/8] KVM: arm64: Introduce print_nvhe_hyp_panic helper

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Add a helper to display a panic banner soon to also be used for kCFI
failures, to ensure that we remain consistent.

Signed-off-by: Pierre-Clément Tosi <ptosi@xxxxxxxxxx>
Acked-by: Will Deacon <will@xxxxxxxxxx>
---
 arch/arm64/kvm/handle_exit.c | 12 ++++++++----
 1 file changed, 8 insertions(+), 4 deletions(-)

diff --git a/arch/arm64/kvm/handle_exit.c b/arch/arm64/kvm/handle_exit.c
index d41447193e13..b3d6657a259d 100644
--- a/arch/arm64/kvm/handle_exit.c
+++ b/arch/arm64/kvm/handle_exit.c
@@ -411,6 +411,12 @@ void handle_exit_early(struct kvm_vcpu *vcpu, int exception_index)
 		kvm_handle_guest_serror(vcpu, kvm_vcpu_get_esr(vcpu));
 }
 
+static void print_nvhe_hyp_panic(const char *name, u64 panic_addr)
+{
+	kvm_err("nVHE hyp %s at: [<%016llx>] %pB!\n", name, panic_addr,
+		(void *)(panic_addr + kaslr_offset()));
+}
+
 void __noreturn __cold nvhe_hyp_panic_handler(u64 esr, u64 spsr,
 					      u64 elr_virt, u64 elr_phys,
 					      u64 par, uintptr_t vcpu,
@@ -439,11 +445,9 @@ void __noreturn __cold nvhe_hyp_panic_handler(u64 esr, u64 spsr,
 		if (file)
 			kvm_err("nVHE hyp BUG at: %s:%u!\n", file, line);
 		else
-			kvm_err("nVHE hyp BUG at: [<%016llx>] %pB!\n", panic_addr,
-					(void *)(panic_addr + kaslr_offset()));
+			print_nvhe_hyp_panic("BUG", panic_addr);
 	} else {
-		kvm_err("nVHE hyp panic at: [<%016llx>] %pB!\n", panic_addr,
-				(void *)(panic_addr + kaslr_offset()));
+		print_nvhe_hyp_panic("panic", panic_addr);
 	}
 
 	/* Dump the nVHE hypervisor backtrace */
-- 
2.45.2.505.gda0bf45e8d-goog






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