From: Laurent Vivier <lvivier@redhat.com>
To: Peter Maydell <peter.maydell@linaro.org>,
Michael Roth <mdroth@linux.vnet.ibm.com>
Cc: "Michael S. Tsirkin" <mst@redhat.com>,
Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>,
QEMU Developers <qemu-devel@nongnu.org>,
Blue Swirl <blauwirbel@gmail.com>,
"qemu-ppc@nongnu.org" <qemu-ppc@nongnu.org>,
David Gibson <david@gibson.dropbear.id.au>
Subject: Re: [Qemu-devel] [Qemu-ppc] [PATCH v2] pci: allow 0 address for PCI IO/MEM regions
Date: Fri, 24 Jul 2015 10:58:57 +0200 [thread overview]
Message-ID: <55B1FE51.1090001@redhat.com> (raw)
In-Reply-To: <CAFEAcA-y8jvov4W7f9hctDjcHb4vEkq41AQVRzbTbdQJCMspqA@mail.gmail.com>
On 24/07/2015 10:46, Peter Maydell wrote:
> On 23 July 2015 at 22:49, Michael Roth <mdroth@linux.vnet.ibm.com> wrote:
>> I seem to recall Michael suggesting it may have already been
>> fixed on x86. I think we had a TODO to figure out all
>> the architectures that don't use IO windows and figure out
>> if they need a fix as well.
>
> If we think we've fixed x86, then I think for 2.5 I would
> be happy with "allow 0 addresses globally and see if anything
> breaks". I'm pretty confident none of the ARM platforms will
I agree. It was exactly what I was thinking...
> have issues -- they don't do any kind of overlapping of
> non-PCI memory regions with the MMIO window(s).
So, after a "grep PCI" in defconfigs, we can have issue with powerpc,
s390x and sparc64 (I guess it is already fixed for x86_64 and i386 ?).
Laurent
next prev parent reply other threads:[~2015-07-24 8:59 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <1437566099-10004-1-git-send-email-lvivier@redhat.com>
2015-07-23 18:24 ` [Qemu-devel] [PATCH v2] pci: allow 0 address for PCI IO/MEM regions Laurent Vivier
2015-07-23 18:30 ` Michael S. Tsirkin
2015-07-23 20:48 ` [Qemu-devel] [Qemu-ppc] " Benjamin Herrenschmidt
2015-07-23 21:18 ` Michael S. Tsirkin
2015-07-23 20:46 ` Benjamin Herrenschmidt
2015-07-23 21:00 ` Peter Maydell
2015-07-23 21:10 ` Michael S. Tsirkin
2015-07-23 21:19 ` Peter Maydell
2015-07-23 21:24 ` Peter Maydell
2015-07-23 21:38 ` Michael Roth
2015-07-23 21:49 ` Michael Roth
2015-07-24 8:46 ` Peter Maydell
2015-07-24 8:58 ` Laurent Vivier [this message]
2015-07-23 21:46 ` Benjamin Herrenschmidt
2015-07-23 22:42 ` Michael S. Tsirkin
2015-07-24 8:35 ` [Qemu-devel] [PATCH v3] " Laurent Vivier
2015-07-27 8:19 ` [Qemu-devel] [Qemu-ppc] " Laurent Vivier
2015-08-06 8:08 ` Laurent Vivier
2015-08-11 8:50 ` Alexander Graf
2015-08-11 9:04 ` Laurent Vivier
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