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Re: [Qemu-devel] [Qemu-ppc] [PATCH v3 11/14] ioport: Switch dispatching
From: |
Benjamin Herrenschmidt |
Subject: |
Re: [Qemu-devel] [Qemu-ppc] [PATCH v3 11/14] ioport: Switch dispatching to memory core layer |
Date: |
Fri, 12 Jul 2013 08:32:40 +1000 |
On Thu, 2013-07-11 at 15:28 +0200, Alexander Graf wrote:
>
> Semantically having your PCI host bridge do the endianness conversion
> is the correct way of handling it, as that's where the conversion
> happens. If it makes life easier to do it in the isa bridging code,
> that's fine for me too though. But then we'll have to get rid of all
> endianness swaps that already happen in PCI bridges.
BTW. Why would IOs to a PCI VGA device go through an "ISA bridge" of any
kind ? PCI IO space is PCI IO space... whether there is an ISA bridge or
not is a separate thing and PCI VGA cards certainly don't sit behind
one.
Ben.
- Re: [Qemu-devel] [PATCH v3 11/14] ioport: Switch dispatching to memory core layer, Alexander Graf, 2013/07/11
- Re: [Qemu-devel] [PATCH v3 11/14] ioport: Switch dispatching to memory core layer, Alexander Graf, 2013/07/11
- Re: [Qemu-devel] [PATCH v3 11/14] ioport: Switch dispatching to memory core layer, Andreas Färber, 2013/07/11
- Re: [Qemu-devel] [PATCH v3 11/14] ioport: Switch dispatching to memory core layer, Alexander Graf, 2013/07/11
- Re: [Qemu-devel] [PATCH v3 11/14] ioport: Switch dispatching to memory core layer, Alexander Graf, 2013/07/11
- Re: [Qemu-devel] [PATCH v3 11/14] ioport: Switch dispatching to memory core layer, Alexander Graf, 2013/07/11
- Re: [Qemu-devel] [Qemu-ppc] [PATCH v3 11/14] ioport: Switch dispatching to memory core layer, Benjamin Herrenschmidt, 2013/07/11
- Re: [Qemu-devel] [Qemu-ppc] [PATCH v3 11/14] ioport: Switch dispatching to memory core layer,
Benjamin Herrenschmidt <=
- Re: [Qemu-devel] [Qemu-ppc] [PATCH v3 11/14] ioport: Switch dispatching to memory core layer, Alexander Graf, 2013/07/11
- Re: [Qemu-devel] [Qemu-ppc] [PATCH v3 11/14] ioport: Switch dispatching to memory core layer, Benjamin Herrenschmidt, 2013/07/12
- Re: [Qemu-devel] [Qemu-ppc] [PATCH v3 11/14] ioport: Switch dispatching to memory core layer, Hervé Poussineau, 2013/07/12
- Re: [Qemu-devel] [Qemu-ppc] [PATCH v3 11/14] ioport: Switch dispatching to memory core layer, Anthony Liguori, 2013/07/12
- Re: [Qemu-devel] [Qemu-ppc] [PATCH v3 11/14] ioport: Switch dispatching to memory core layer, Benjamin Herrenschmidt, 2013/07/12
- Re: [Qemu-devel] [Qemu-ppc] [PATCH v3 11/14] ioport: Switch dispatching to memory core layer, Benjamin Herrenschmidt, 2013/07/12
- Re: [Qemu-devel] [Qemu-ppc] [PATCH v3 11/14] ioport: Switch dispatching to memory core layer, Anthony Liguori, 2013/07/12
- Re: [Qemu-devel] [Qemu-ppc] [PATCH v3 11/14] ioport: Switch dispatching to memory core layer, Peter Maydell, 2013/07/12
- Re: [Qemu-devel] [Qemu-ppc] [PATCH v3 11/14] ioport: Switch dispatching to memory core layer, Benjamin Herrenschmidt, 2013/07/12
- Re: [Qemu-devel] [Qemu-ppc] [PATCH v3 11/14] ioport: Switch dispatching to memory core layer, Peter Maydell, 2013/07/12