Use qemu_log_trylock/unlock instead of the raw rcu_read.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <
20220417183019.755276-25-richard.henderson@linaro.org>
*/
static inline void log_cpu_state(CPUState *cpu, int flags)
{
- QemuLogFile *logfile;
-
- if (qemu_log_enabled()) {
- rcu_read_lock();
- logfile = qatomic_rcu_read(&qemu_logfile);
- if (logfile) {
- cpu_dump_state(cpu, logfile->fd, flags);
- }
- rcu_read_unlock();
+ FILE *f = qemu_log_trylock();
+ if (f) {
+ cpu_dump_state(cpu, f, flags);
+ qemu_log_unlock(f);
}
}