From: Gerd Hoffmann <kraxel@redhat.com>
To: Paolo Bonzini <pbonzini@redhat.com>
Cc: Hu Tao <hutao@cn.fujitsu.com>, qemu-devel@nongnu.org
Subject: Re: [Qemu-devel] [PATCH 2/2] q35: add cpu hotplug support
Date: Wed, 21 Aug 2013 13:36:57 +0200 [thread overview]
Message-ID: <1377085017.31946.24.camel@nilsson.home.kraxel.org> (raw)
In-Reply-To: <5214A40A.4030409@redhat.com>
On Mi, 2013-08-21 at 13:27 +0200, Paolo Bonzini wrote:
> Il 21/08/2013 13:01, Gerd Hoffmann ha scritto:
> > Hi,
> >
> >> +#define ICH9_PROC_BASE 0xaf00
> >> +#define ICH9_PROC_LEN 32
> >
> > No, please don't. It makes it impossible to assign the 0xa000 -> 0xafff
> > I/O port window to a PCI bridge. Please lets stop occupy random io
> > ports above 0x1000 and burn I/O address space that way.
> >
> > I'd suggest to place it at 0x0a00 instead. Also the dsdt should get a
> > device with the address in _CRS so the guest knows those ports are used.
>
> Would this use 0x0A ("not present, device functional, decoding
> resources") for _STA to "indicate a valid device for which no device
> driver should be loaded" (quoting from the ACPI spec)? Hopefully this
> prevents Windows from showing the UI.
Sounds reasonable. Needs careful testing ...
cheers,
Gerd
next prev parent reply other threads:[~2013-08-21 11:37 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-08-21 9:04 [Qemu-devel] [PATCH] q35: fix GPE method for cpu hotplug Hu Tao
2013-08-21 9:04 ` [Qemu-devel] [PATCH 1/2] ich9: update sci on gpe write Hu Tao
2013-09-12 15:22 ` Igor Mammedov
2013-09-23 11:20 ` Hu Tao
2013-08-21 9:04 ` [Qemu-devel] [PATCH 2/2] q35: add cpu hotplug support Hu Tao
2013-08-21 9:10 ` Hu Tao
2013-08-21 11:01 ` Gerd Hoffmann
2013-08-21 11:27 ` Paolo Bonzini
2013-08-21 11:36 ` Gerd Hoffmann [this message]
2013-10-04 13:20 ` Igor Mammedov
2013-10-07 7:54 ` Gerd Hoffmann
2013-08-21 11:40 ` Andreas Färber
2013-09-12 15:29 ` Igor Mammedov
2013-08-21 11:05 ` [Qemu-devel] [SeaBIOS] [PATCH] q35: fix GPE method for cpu hotplug Gerd Hoffmann
2013-09-10 12:34 ` Igor Mammedov
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