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From: Marcel Apfelbaum <marcel.a@redhat.com>
To: Kevin O'Connor <kevin@koconnor.net>
Cc: seabios@seabios.org, kraxel@redhat.com, qemu-devel@nongnu.org,
	mst@redhat.com
Subject: Re: [Qemu-devel] [PATCH V3 1/2] hw/pci: reserve IO and mem for pci-2-pci bridges with no devices attached
Date: Thu, 10 Apr 2014 19:58:44 +0300	[thread overview]
Message-ID: <1397149124.28469.30.camel@localhost.localdomain> (raw)
In-Reply-To: <20140410164502.GA14182@morn.localdomain>

On Thu, 2014-04-10 at 12:45 -0400, Kevin O'Connor wrote:
> On Thu, Apr 10, 2014 at 04:29:40PM +0300, Marcel Apfelbaum wrote:
> [...]
> > +    for (i = 0, cap = pci_config_readb(pci->bdf, PCI_CAPABILITY_LIST);
> > +         (i <= 0xff) && cap;
> > +         i++, cap = pci_config_readb(pci->bdf, cap + PCI_CAP_LIST_NEXT))
> > +        if (pci_config_readb(pci->bdf, cap + PCI_CAP_LIST_ID) == cap_id)
> > +            return cap;
> 
> I hate to nitpick, but I find that for-loop hard to read.  What about
> something like:
> 
>     int i;
>     u8 cap = pci_config_readb(pci->bdf, PCI_CAPABILITY_LIST);
>     for (i = 0, cap && i <= 0xff; i++) {
>         if (pci_config_readb(pci->bdf, cap + PCI_CAP_LIST_ID) == cap_id)
>             return cap;
>         cap = pci_config_readb(pci->bdf, cap + PCI_CAP_LIST_NEXT))
>     }
Sure!

Thanks for the review,
Marcel
> 
> Otherwise, your patches look fine to me.
> 
> -Kevin

  reply	other threads:[~2014-04-10 16:59 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-04-10 13:29 [Qemu-devel] [SeaBIOS] [PATCH V3 0/2] hw/pci: reserve IO and mem for pci-2-pci bridges with no devices attached Marcel Apfelbaum
2014-04-10 13:29 ` [Qemu-devel] [PATCH V3 1/2] " Marcel Apfelbaum
2014-04-10 15:48   ` Michael S. Tsirkin
2014-04-10 16:45   ` Kevin O'Connor
2014-04-10 16:58     ` Marcel Apfelbaum [this message]
2014-04-10 13:29 ` [Qemu-devel] [PATCH V3 2/2] hw/pci: check if pci2pci bridges implement optional limit registers Marcel Apfelbaum
2014-04-10 15:46   ` Michael S. Tsirkin
2014-04-10 16:29     ` Marcel Apfelbaum
2014-04-10 15:49 ` [Qemu-devel] [SeaBIOS] [PATCH V3 0/2] hw/pci: reserve IO and mem for pci-2-pci bridges with no devices attached Michael S. Tsirkin

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