linux-kernel - Re: [PATCH 61/86] scsi/qla1280: use uapi/linux/pci

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Date:	Sun, 29 Mar 2015 16:36:59 +0200
From:	"Michael S. Tsirkin" <mst@...hat.com>
To:	James Bottomley <James.Bottomley@...senPartnership.com>
Cc:	linux-kernel@...r.kernel.org, Michael Reed <mdr@....com>,
	linux-scsi@...r.kernel.org
Subject: Re: [PATCH 61/86] scsi/qla1280: use uapi/linux/pci_ids.h directly

On Sun, Mar 29, 2015 at 05:03:36PM +0300, James Bottomley wrote:
> On Sun, 2015-03-29 at 15:42 +0200, Michael S. Tsirkin wrote:
> > Header moved from linux/pci_ids.h to uapi/linux/pci_ids.h,
> > use the new header directly so we can drop
> > the wrapper in include/linux/pci_ids.h.
> > 
> > Signed-off-by: Michael S. Tsirkin <mst@...hat.com>
> > ---
> >  drivers/scsi/qla1280.c | 2 +-
> >  1 file changed, 1 insertion(+), 1 deletion(-)
> > 
> > diff --git a/drivers/scsi/qla1280.c b/drivers/scsi/qla1280.c
> > index c68a66e..b2ada21 100644
> > --- a/drivers/scsi/qla1280.c
> > +++ b/drivers/scsi/qla1280.c
> > @@ -348,7 +348,7 @@
> >  #include <linux/pci.h>
> >  #include <linux/proc_fs.h>
> >  #include <linux/stat.h>
> > -#include <linux/pci_ids.h>
> > +#include <uapi/linux/pci_ids.h>
> 
> This is bogus, isn't it?  There's a -Iuapi somewhere in the kernel
> compile line so the original include is still valid.  Zorro does this:
> zorro_ids.h is exclusively in uapi but the include is still
> 
> #include <linux/zorro_ids.h>
> 
> James
> 


Hmm, that's true. I didn't know.  A bunch of files pull in headers from uapi
explicitly, so I assumed it's a good idea.  Do you think it's better to include
uapi files using short linux/<x>.h, or the full uapi/linux/<x>.h?  Linux has a
mix of both.

-- 
MST
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