From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
To: Alexander Graf <agraf@suse.de>
Cc: "Liu Ping Fan" <pingfank@linux.vnet.ibm.com>,
"qemu-devel Developers" <qemu-devel@nongnu.org>,
"qemu-ppc@nongnu.org list:PowerPC" <qemu-ppc@nongnu.org>,
"Paolo Bonzini" <pbonzini@redhat.com>,
"Jan Kiszka" <jan.kiszka@web.de>,
"Andreas Färber" <afaerber@suse.de>,
"Hervé Poussineau" <hpoussin@reactos.org>
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 [thread overview]
Message-ID: <1373581960.19894.109.camel@pasglop> (raw)
In-Reply-To: <5D205309-1154-4730-902E-BF07F5D3B4EB@suse.de>
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.
next prev parent reply other threads:[~2013-07-11 22:32 UTC|newest]
Thread overview: 66+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-06-22 6:06 [Qemu-devel] [PATCH v3 00/14] Refactor portio dispatching Jan Kiszka
2013-06-22 6:06 ` [Qemu-devel] [PATCH v3 01/14] adlib: replace register_ioport* Jan Kiszka
2013-06-22 6:06 ` [Qemu-devel] [PATCH v3 02/14] applesmc: " Jan Kiszka
2013-06-22 6:06 ` [Qemu-devel] [PATCH v3 03/14] wdt_ib700: " Jan Kiszka
2013-06-22 6:06 ` [Qemu-devel] [PATCH v3 04/14] i82374: " Jan Kiszka
2013-06-22 6:06 ` [Qemu-devel] [PATCH v3 05/14] prep: " Jan Kiszka
2013-06-22 6:06 ` [Qemu-devel] [PATCH v3 06/14] vt82c686: " Jan Kiszka
2013-06-22 6:07 ` [Qemu-devel] [PATCH v3 07/14] Privatize register_ioport_read/write Jan Kiszka
2013-06-22 6:07 ` [Qemu-devel] [PATCH v3 08/14] isa: implement isa_is_ioport_assigned via memory_region_find Jan Kiszka
2013-06-22 6:07 ` [Qemu-devel] [PATCH v3 09/14] vmware-vga: Accept unaligned I/O accesses Jan Kiszka
2013-06-22 6:07 ` [Qemu-devel] [PATCH v3 10/14] xen: Mark fixed platform I/O as unaligned Jan Kiszka
2013-06-22 6:07 ` [Qemu-devel] [PATCH v3 11/14] ioport: Switch dispatching to memory core layer Jan Kiszka
2013-06-23 20:50 ` Hervé Poussineau
2013-06-24 6:07 ` Jan Kiszka
2013-07-11 12:29 ` Alexander Graf
2013-07-11 12:34 ` Alexander Graf
2013-07-11 12:46 ` Andreas Färber
2013-07-11 12:48 ` Alexander Graf
2013-07-11 13:28 ` Alexander Graf
2013-07-11 13:35 ` Alexander Graf
2013-07-11 22:30 ` [Qemu-devel] [Qemu-ppc] " Benjamin Herrenschmidt
2013-07-11 22:32 ` Benjamin Herrenschmidt [this message]
2013-07-12 3:18 ` Alexander Graf
2013-07-12 11:35 ` Benjamin Herrenschmidt
2013-07-12 17:04 ` Hervé Poussineau
2013-07-12 19:06 ` Anthony Liguori
2013-07-12 22:59 ` Benjamin Herrenschmidt
2013-07-12 22:39 ` Benjamin Herrenschmidt
2013-07-12 17:49 ` Anthony Liguori
2013-07-12 18:26 ` Peter Maydell
2013-07-12 22:50 ` Benjamin Herrenschmidt
2013-07-12 23:10 ` Peter Maydell
2013-07-12 23:49 ` Benjamin Herrenschmidt
2013-07-15 14:01 ` Anthony Liguori
2013-07-15 14:10 ` Peter Maydell
2013-07-15 14:16 ` Benjamin Herrenschmidt
2013-07-12 22:44 ` Benjamin Herrenschmidt
2013-07-13 14:38 ` [Qemu-devel] " Paolo Bonzini
2013-07-13 15:22 ` Anthony Liguori
2013-07-13 18:11 ` Hervé Poussineau
2013-07-14 6:15 ` Paolo Bonzini
2013-07-14 13:05 ` Anthony Liguori
2013-07-14 14:58 ` Peter Maydell
2013-07-14 15:18 ` Anthony Liguori
2013-07-14 16:50 ` Peter Maydell
2013-07-16 7:18 ` Jan Kiszka
2013-07-16 7:33 ` Paolo Bonzini
2013-07-16 16:59 ` Hervé Poussineau
2013-07-16 17:12 ` Paolo Bonzini
2013-07-12 12:56 ` Anthony Liguori
2013-07-12 14:30 ` Alexander Graf
2013-07-19 11:09 ` [Qemu-devel] BUG: " Alexey Kardashevskiy
2013-07-19 12:49 ` Paolo Bonzini
2013-07-19 15:48 ` Alexey Kardashevskiy
2013-07-20 0:55 ` Alexey Kardashevskiy
2013-07-20 1:11 ` Alexey Kardashevskiy
2013-07-20 10:11 ` Paolo Bonzini
2013-07-20 20:53 ` Edgar E. Iglesias
2013-07-21 15:13 ` Hervé Poussineau
2013-07-22 10:25 ` Paolo Bonzini
2013-06-24 8:45 ` [Qemu-devel] [PATCH v4 " Jan Kiszka
2013-07-12 19:36 ` [Qemu-devel] [PATCH v3 " Anthony Liguori
2013-06-22 6:07 ` [Qemu-devel] [PATCH v3 12/14] ioport: Remove unused old dispatching services Jan Kiszka
2013-06-22 6:07 ` [Qemu-devel] [PATCH v3 13/14] vmport: Disentangle read handler type from portio Jan Kiszka
2013-06-22 6:07 ` [Qemu-devel] [PATCH v3 14/14] ioport: Move portio types to ioport.h Jan Kiszka
2013-06-23 20:45 ` [Qemu-devel] [PATCH v3 00/14] Refactor portio dispatching Hervé Poussineau
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