[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: [Qemu-devel] [SeaBIOS] [PATCH] hw/pci: reserve IO and mem for pci-2-
From: |
Marcel Apfelbaum |
Subject: |
Re: [Qemu-devel] [SeaBIOS] [PATCH] hw/pci: reserve IO and mem for pci-2-pci bridges with no devices attached |
Date: |
Mon, 07 Apr 2014 15:18:36 +0300 |
On Mon, 2014-04-07 at 15:11 +0300, Michael S. Tsirkin wrote:
> 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?
>
I think it can be. This one handles pci-2-pci bridges and avoids PCIe by choice.
I do plan to handle PCIe hotplug corners later.
Thanks,
Marcel
- [Qemu-devel] [SeaBIOS] [PATCH] hw/pci: reserve IO and mem for pci-2-pci bridges with no devices attached, Marcel Apfelbaum, 2014/04/07
- Re: [Qemu-devel] [SeaBIOS] [PATCH] hw/pci: reserve IO and mem for pci-2-pci bridges with no devices attached, Gerd Hoffmann, 2014/04/07
- Re: [Qemu-devel] [SeaBIOS] [PATCH] hw/pci: reserve IO and mem for pci-2-pci bridges with no devices attached, Michael S. Tsirkin, 2014/04/07
- Re: [Qemu-devel] [SeaBIOS] [PATCH] hw/pci: reserve IO and mem for pci-2-pci bridges with no devices attached, Gerd Hoffmann, 2014/04/07
- Re: [Qemu-devel] [SeaBIOS] [PATCH] hw/pci: reserve IO and mem for pci-2-pci bridges with no devices attached, Marcel Apfelbaum, 2014/04/07
- Re: [Qemu-devel] [SeaBIOS] [PATCH] hw/pci: reserve IO and mem for pci-2-pci bridges with no devices attached, Michael S. Tsirkin, 2014/04/07
- Re: [Qemu-devel] [SeaBIOS] [PATCH] hw/pci: reserve IO and mem for pci-2-pci bridges with no devices attached, Marcel Apfelbaum, 2014/04/07
- Re: [Qemu-devel] [SeaBIOS] [PATCH] hw/pci: reserve IO and mem for pci-2-pci bridges with no devices attached, Marcel Apfelbaum, 2014/04/07
- Re: [Qemu-devel] [SeaBIOS] [PATCH] hw/pci: reserve IO and mem for pci-2-pci bridges with no devices attached, Michael S. Tsirkin, 2014/04/07
- Re: [Qemu-devel] [SeaBIOS] [PATCH] hw/pci: reserve IO and mem for pci-2-pci bridges with no devices attached, Marcel Apfelbaum, 2014/04/07
- Re: [Qemu-devel] [SeaBIOS] [PATCH] hw/pci: reserve IO and mem for pci-2-pci bridges with no devices attached, Michael S. Tsirkin, 2014/04/07
- Re: [Qemu-devel] [SeaBIOS] [PATCH] hw/pci: reserve IO and mem for pci-2-pci bridges with no devices attached, Gerd Hoffmann, 2014/04/08