Re: [PATCH v2 1/5] system/cpus: rename qemu_mutex_lock_iothread() to bql_lock()

[Stefan Hajnoczi]

On Wed, Dec 13, 2023 at 03:37:00PM +0900, Akihiko Odaki wrote:
> On 2023/12/13 0:39, Stefan Hajnoczi wrote:
> > @@ -312,58 +312,58 @@ bool qemu_in_main_thread(void);
> >       } while (0)
> >   /**
> > - * qemu_mutex_lock_iothread: Lock the main loop mutex.
> > + * bql_lock: Lock the Big QEMU Lock (BQL).
> >    *
> > - * This function locks the main loop mutex.  The mutex is taken by
> > + * This function locks the Big QEMU Lock (BQL).  The lock is taken by
> >    * main() in vl.c and always taken except while waiting on
> > - * external events (such as with select).  The mutex should be taken
> > + * external events (such as with select).  The lock should be taken
> >    * by threads other than the main loop thread when calling
> >    * qemu_bh_new(), qemu_set_fd_handler() and basically all other
> >    * functions documented in this file.
> >    *
> > - * NOTE: tools currently are single-threaded and qemu_mutex_lock_iothread
> > + * NOTE: tools currently are single-threaded and bql_lock
> >    * is a no-op there.
> >    */
> > -#define qemu_mutex_lock_iothread()                      \
> > -    qemu_mutex_lock_iothread_impl(__FILE__, __LINE__)
> > -void qemu_mutex_lock_iothread_impl(const char *file, int line);
> > +#define bql_lock()                      \
> > +    bql_lock_impl(__FILE__, __LINE__)
> 
> This line break is no longer necessary.

Will fix in v3.

Stefan

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