From: Igor Mammedov <imammedo@redhat.com>
To: Pavel Fedin <p.fedin@samsung.com>
Cc: 'Peter Maydell' <peter.maydell@linaro.org>,
pbonzini@redhat.com, 'Alexander Graf' <agraf@suse.de>,
'QEMU Developers' <qemu-devel@nongnu.org>
Subject: Re: [Qemu-devel] [PATCH v3] hw/arm/virt: Add high MMIO PCI region
Date: Wed, 29 Jul 2015 15:24:06 +0200 [thread overview]
Message-ID: <20150729152406.13f3608d@nial.brq.redhat.com> (raw)
In-Reply-To: <017601d0c9f6$63027e70$29077b50$@samsung.com>
On Wed, 29 Jul 2015 15:02:00 +0300
Pavel Fedin <p.fedin@samsung.com> wrote:
> Hello!
>
> > I don't suggest to have something mapped on top of the window,
> > Suggestion was to just use the same value for
> > AddressMaximum and AddressMinimum arguments in aml_qword_memory() call.
>
> And this will shrink the region down to zero, right? For what reason? Physical region would still
> be there (here we imagine this is a real HW).
nope, it won't shrink anything. It will prevent OS from potential
relocation of region.
AddressMaximum is a max possible BASE address of range,
I read 'base address' as starting address of range and
it has nothing to do with the size.
See spec, ACPI6.0: 19.6.104 QWordMemory
>
> Kind regards,
> Pavel Fedin
> Expert Engineer
> Samsung Electronics Research center Russia
>
>
prev parent reply other threads:[~2015-07-29 13:24 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-07-27 11:09 [Qemu-devel] [PATCH v3] hw/arm/virt: Add high MMIO PCI region Pavel Fedin
2015-07-27 13:26 ` Igor Mammedov
2015-07-27 14:36 ` Pavel Fedin
2015-07-27 15:18 ` Michael S. Tsirkin
2015-07-27 15:51 ` Peter Maydell
2015-07-29 8:58 ` Pavel Fedin
2015-07-29 9:03 ` Peter Maydell
2015-07-29 9:45 ` Pavel Fedin
2015-07-29 9:56 ` Peter Maydell
2015-07-29 11:16 ` Pavel Fedin
2015-07-29 11:45 ` Peter Maydell
2015-07-29 14:01 ` Pavel Fedin
2015-08-03 7:03 ` Pavel Fedin
2015-08-03 7:56 ` Peter Maydell
2015-08-03 8:09 ` Pavel Fedin
2015-08-03 9:48 ` Peter Maydell
2015-08-03 10:20 ` Pavel Fedin
2015-08-03 20:17 ` Alexander Graf
2015-07-29 9:32 ` Igor Mammedov
2015-07-29 10:03 ` Pavel Fedin
2015-07-29 10:21 ` Peter Maydell
2015-07-29 12:05 ` Igor Mammedov
2015-07-29 12:13 ` Pavel Fedin
2015-07-29 12:35 ` Peter Maydell
2015-07-29 9:10 ` Igor Mammedov
2015-07-29 9:48 ` Pavel Fedin
2015-07-29 11:59 ` Igor Mammedov
2015-07-29 12:02 ` Pavel Fedin
2015-07-29 13:24 ` Igor Mammedov [this message]
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