Re: [Qemu-devel] [PATCH 1/3] char: fix alias devices regression

["Marc-André Lureau" <marcandre.lureau@redhat.com>]

Hi

----- Original Message -----
> Marc-André Lureau <marcandre.lureau@redhat.com> writes:
> 
> > Fix regression from commit 4d43a603c71, where the serial and parallel
> > headers got removed from char.c, which broke the alias table.
> >
> > Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
> > ---
> >  chardev/char.c | 2 ++
> >  1 file changed, 2 insertions(+)
> >
> > diff --git a/chardev/char.c b/chardev/char.c
> > index 7aa0210765..f38fac5c6b 100644
> > --- a/chardev/char.c
> > +++ b/chardev/char.c
> > @@ -34,6 +34,8 @@
> >  #include "qemu/help_option.h"
> >  
> >  #include "chardev/char-mux.h"
> > +#include "chardev/char-parallel.h" /* for HAVE_CHARDEV_PARPORT */
> > +#include "chardev/char-serial.h" /* for HAVE_CHARDEV_SERIAL */
> >  
> >  /***********************************************************/
> >  /* character device */
> 
> Two drive-by observations:
> 
> * Putting HAVE_FOOs in random headers, then testing them with #ifdef is
>   asking for trouble.  Anything you test with #ifdef should be there
>   after #include "qemu/osdep.h" at the latest, or be defined in the same
>   .c.
> 

I agree, is it fine to move those HAVE_FOO there?

> * Such comments after #include rot quickly.  Strong dislike.

Well, if that comment would have been there, there would have been less chance to remove the header by mistake, even if it rotted.