user: Prefer fast cpu_env() over slower CPU QOM cast macro

Mechanical patch produced running the command documented
in scripts/coccinelle/cpu_env.cocci_template header.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Warner Losh <imp@bsdimp.com>
Message-ID: <20240129164514.73104-30-philmd@linaro.org>
Signed-off-by: Thomas Huth <thuth@redhat.com>

bsd-user/signal.c

@@ -463,14 +463,13 @@ static int fatal_signal(int sig)
 void force_sig_fault(int sig, int code, abi_ulong addr)
 {
     CPUState *cpu = thread_cpu;
-    CPUArchState *env = cpu_env(cpu);
     target_siginfo_t info = {};
 
     info.si_signo = sig;
     info.si_errno = 0;
     info.si_code = code;
     info.si_addr = addr;
-    queue_signal(env, sig, QEMU_SI_FAULT, &info);
+    queue_signal(cpu_env(cpu), sig, QEMU_SI_FAULT, &info);
 }
 
 static void host_signal_handler(int host_sig, siginfo_t *info, void *puc)

linux-user/signal.c

@@ -623,15 +623,14 @@ void signal_init(void)
 void force_sig(int sig)
 {
     CPUState *cpu = thread_cpu;
-    CPUArchState *env = cpu_env(cpu);
     target_siginfo_t info = {};
 
     info.si_signo = sig;
     info.si_errno = 0;
     info.si_code = TARGET_SI_KERNEL;
     info._sifields._kill._pid = 0;
     info._sifields._kill._uid = 0;
-    queue_signal(env, info.si_signo, QEMU_SI_KILL, &info);
+    queue_signal(cpu_env(cpu), info.si_signo, QEMU_SI_KILL, &info);
 }
 
 /*
@@ -641,14 +640,13 @@ void force_sig(int sig)
 void force_sig_fault(int sig, int code, abi_ulong addr)
 {
     CPUState *cpu = thread_cpu;
-    CPUArchState *env = cpu_env(cpu);
     target_siginfo_t info = {};
 
     info.si_signo = sig;
     info.si_errno = 0;
     info.si_code = code;
     info._sifields._sigfault._addr = addr;
-    queue_signal(env, sig, QEMU_SI_FAULT, &info);
+    queue_signal(cpu_env(cpu), sig, QEMU_SI_FAULT, &info);
 }
 
 /* Force a SIGSEGV if we couldn't write to memory trying to set