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Re: [Qemu-devel] [PATCH 2/4] linuxboot_dma: move common functions in a n


From: Michael S. Tsirkin
Subject: Re: [Qemu-devel] [PATCH 2/4] linuxboot_dma: move common functions in a new header
Date: Fri, 11 Jan 2019 12:48:39 -0500

On Fri, Jan 11, 2019 at 06:42:25PM +0100, Stefano Garzarella wrote:
> On Fri, Jan 11, 2019 at 5:27 PM Stefan Hajnoczi <address@hidden> wrote:
> >
> > On Fri, Jan 11, 2019 at 02:18:34PM +0100, Stefano Garzarella wrote:
> > > In order to allow other option roms to use these common
> > > useful functions and definitions, this patch put them
> > > in a new C header file called optrom.h, and also add
> > > useful out*() in*() functions for different size.
> >
> > It's usually helpful to modify code in a one patch and move it in a
> > separate patch.  This patch does both, so it's a harder to review.
> > Don't worry about changing it now, but something to try in the future.
> 
> Thanks for the tip!
> 
> >
> > > +#include <stdint.h>
> > > +#include "optrom.h"
> > > +#include "optrom_fw_cfg.h"
> >
> > Can these be moved to the top of the file like a regular C source file?
> 
> Yes, I'll move them to the top.
> 
> >
> > > diff --git a/pc-bios/optionrom/optrom.h b/pc-bios/optionrom/optrom.h
> > > new file mode 100644
> > > index 0000000000..36f43b43fd
> > > --- /dev/null
> > > +++ b/pc-bios/optionrom/optrom.h
> > > @@ -0,0 +1,109 @@
> > > +/*
> > > + * Common Option ROM Functions for C code
> > > + *
> > > + * This program is free software; you can redistribute it and/or modify
> > > + * it under the terms of the GNU General Public License as published by
> > > + * the Free Software Foundation; either version 2 of the License, or
> > > + * (at your option) any later version.
> > > + *
> > > + * This program is distributed in the hope that it will be useful,
> > > + * but WITHOUT ANY WARRANTY; without even the implied warranty of
> > > + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
> > > + * GNU General Public License for more details.
> > > + *
> > > + * You should have received a copy of the GNU General Public License
> > > + * along with this program; if not, see <http://www.gnu.org/licenses/>.
> > > + *
> > > + * Copyright (c) 2015-2019 Red Hat Inc.
> > > + *   Authors:
> > > + *     Marc MarĂ­ <address@hidden>
> > > + *     Richard W.M. Jones <address@hidden>
> > > + *     Stefano Garzarella <address@hidden>
> > > + */
> > > +
> > > +#ifndef OPTROM_H
> > > +#define OPTROM_H
> > > +
> > > +#include "../../include/standard-headers/linux/qemu_fw_cfg.h"
> >
> > This depends on <stdint.h>, please include it first.
> 
> Sure.
> 
> 
> Thanks,
> Stefano

Better to just pull in qemu/osdep.h

> 
> -- 
> Stefano Garzarella
> Red Hat



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