[PATCH v4 07/13] KVM: arm64: VHE: Mark __hyp_call_panic __noreturn

Pierre-Clément Tosi ptosi at google.com
Wed May 29 05:12:13 PDT 2024


Given that the sole purpose of __hyp_call_panic() is to call panic(), a
__noreturn function, give it the __noreturn attribute, removing the need
for its caller to use unreachable().

Signed-off-by: Pierre-Clément Tosi <ptosi at google.com>
---
 arch/arm64/kvm/hyp/vhe/switch.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/arch/arm64/kvm/hyp/vhe/switch.c b/arch/arm64/kvm/hyp/vhe/switch.c
index d7af5f46f22a..0550b9f6317f 100644
--- a/arch/arm64/kvm/hyp/vhe/switch.c
+++ b/arch/arm64/kvm/hyp/vhe/switch.c
@@ -384,7 +384,7 @@ int __kvm_vcpu_run(struct kvm_vcpu *vcpu)
 	return ret;
 }
 
-static void __hyp_call_panic(u64 spsr, u64 elr, u64 par)
+static void __noreturn __hyp_call_panic(u64 spsr, u64 elr, u64 par)
 {
 	struct kvm_cpu_context *host_ctxt;
 	struct kvm_vcpu *vcpu;
@@ -409,7 +409,6 @@ void __noreturn hyp_panic(void)
 	u64 par = read_sysreg_par();
 
 	__hyp_call_panic(spsr, elr, par);
-	unreachable();
 }
 
 asmlinkage void kvm_unexpected_el2_exception(void)
-- 
2.45.1.288.g0e0cd299f1-goog




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