[Qemu-devel] [PATCH for-1.5?] target-ppc: Drop unnecessary dynamic cast in ppc_env_get_cpu()

[Andreas Färber]

A transition from CPUPPCState to PowerPCCPU can be considered safe,
just like PowerPCCPU::env access in the opposite direction.

This should slightly improve interrupt performance.

Reported-by: Anthony Liguori <address@hidden>
Signed-off-by: Andreas Färber <address@hidden>
---
 target-ppc/cpu-qom.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/target-ppc/cpu-qom.h b/target-ppc/cpu-qom.h
index eb03a00..f62181f 100644
--- a/target-ppc/cpu-qom.h
+++ b/target-ppc/cpu-qom.h
@@ -91,7 +91,7 @@ typedef struct PowerPCCPU {
 
 static inline PowerPCCPU *ppc_env_get_cpu(CPUPPCState *env)
 {
-    return POWERPC_CPU(container_of(env, PowerPCCPU, env));
+    return container_of(env, PowerPCCPU, env);
 }
 
 #define ENV_GET_CPU(e) CPU(ppc_env_get_cpu(e))
-- 
1.8.1.4