From: Richard Henderson <rth@twiddle.net>
To: "Hervé Poussineau" <hpoussin@reactos.org>
Cc: qemu-devel@nongnu.org, "Michael S. Tsirkin" <mst@redhat.com>
Subject: Re: [Qemu-devel] [PATCH] pci: remove explicit check to 64K ioport size
Date: Sat, 14 Sep 2013 11:40:23 -0700 [thread overview]
Message-ID: <5234AD97.3060602@twiddle.net> (raw)
In-Reply-To: <1379073525-20995-1-git-send-email-hpoussin@reactos.org>
On 09/13/2013 04:58 AM, Hervé Poussineau wrote:
> This check is useless, as bigger addresses will be ignored when
> added to 'io' MemoryRegion, which has a size of 64K.
>
> However, some architectures don't use the 'io' MemoryRegion, like
> the alpha and versatile platforms. They create a PCI I/O region
> bigger than 64K, so let them handle PCI I/O BARs in the higher range.
>
> Signed-off-by: Hervé Poussineau <hpoussin@reactos.org>
> ---
> hw/pci/pci.c | 3 +--
> 1 file changed, 1 insertion(+), 2 deletions(-)
Reviewed-by: Richard Henderson <rth@twiddle.net>
r~
next prev parent reply other threads:[~2013-09-14 18:40 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-09-13 11:58 [Qemu-devel] [PATCH] pci: remove explicit check to 64K ioport size Hervé Poussineau
2013-09-14 18:40 ` Richard Henderson [this message]
2013-09-15 6:35 ` Michael S. Tsirkin
2013-09-15 7:52 ` Hervé Poussineau
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