Re: [PATCH v3 29/29] user: Prefer fast cpu_env() over slower CPU QOM cast macro

[Warner Losh]

[[ I dont know if it's too late ]]

On Mon, Jan 29, 2024 at 9:48 AM Philippe Mathieu-Daudé <philmd@linaro.org> wrote:

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

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
---
 bsd-user/signal.c   | 3 +--
 linux-user/signal.c | 6 ++----
 2 files changed, 3 insertions(+), 6 deletions(-)

Reviewed-by: Warner Losh <imp@bsdimp.com>

 

diff --git a/bsd-user/signal.c b/bsd-user/signal.c
index ca31470772..c6f0b1be38 100644
--- a/bsd-user/signal.c
+++ b/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)
diff --git a/linux-user/signal.c b/linux-user/signal.c
index c9527adfa3..f78f7fc476 100644
--- a/linux-user/signal.c
+++ b/linux-user/signal.c
@@ -623,7 +623,6 @@ 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;
@@ -631,7 +630,7 @@ void force_sig(int sig)
     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
--
2.41.0