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From: "Michael S. Tsirkin" <mst@redhat.com>
To: Gerd Hoffmann <kraxel@redhat.com>
Cc: seabios@seabios.org, qemu-devel@nongnu.org,
	Marcel Apfelbaum <marcel.a@redhat.com>
Subject: Re: [Qemu-devel] [SeaBIOS] [PATCH] hw/pci: reserve IO and mem for pci-2-pci bridges with no devices attached
Date: Mon, 7 Apr 2014 15:11:36 +0300	[thread overview]
Message-ID: <20140407121136.GC16369@redhat.com> (raw)
In-Reply-To: <1396872101.5001.64.camel@nilsson.home.kraxel.org>

On Mon, Apr 07, 2014 at 02:01:41PM +0200, Gerd Hoffmann wrote:
> On Mo, 2014-04-07 at 13:59 +0300, Marcel Apfelbaum wrote:
> > If a pci-2-pci bridge supports hot-plug functionality but there are no devices
> > connected to it, reserve IO/mem in order to be able to attach devices
> > later. Do not waste space, use minimum allowed.
> 
> Makes sense.
> 
> > +        u8 shpc_cap = pci_find_capability(s->bus_dev, PCI_CAP_ID_SHPC);
> 
> Should we also check for hotplug-capable pci express ports while being
> at it?
> 
> cheers,
>   Gerd
> 

Can be a separate patch?

  reply	other threads:[~2014-04-07 12:11 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-04-07 10:59 [Qemu-devel] [SeaBIOS] [PATCH] hw/pci: reserve IO and mem for pci-2-pci bridges with no devices attached Marcel Apfelbaum
2014-04-07 12:01 ` Gerd Hoffmann
2014-04-07 12:11   ` Michael S. Tsirkin [this message]
2014-04-07 12:18     ` Marcel Apfelbaum
2014-04-07 12:15 ` Michael S. Tsirkin
2014-04-07 12:44   ` Gerd Hoffmann
2014-04-07 12:51     ` Marcel Apfelbaum
2014-04-07 13:34     ` Michael S. Tsirkin
2014-04-07 13:51       ` Marcel Apfelbaum
2014-04-07 13:55         ` Marcel Apfelbaum
2014-04-07 14:09         ` Michael S. Tsirkin
2014-04-07 14:16           ` Marcel Apfelbaum
2014-04-07 16:22             ` Michael S. Tsirkin
2014-04-08  6:05       ` Gerd Hoffmann
2014-04-08  8:54         ` Michael S. Tsirkin

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