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
next prev parent 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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