From: Marcel Apfelbaum <marcel@redhat.com>
To: Gerd Hoffmann <kraxel@redhat.com>,
Laszlo Ersek <lersek@redhat.com>,
qemu-devel@nongnu.org
Cc: mst@redhat.com, pbonzini@redhat.com, ehabkost@redhat.com,
Igor Mammedov <imammedo@redhat.com>,
"Dr. David Alan Gilbert" <dgilbert@redhat.com>
Subject: Re: [Qemu-devel] [PATCH] hw/pci-host: Fix x86 Host Bridges 64bit PCI hole
Date: Mon, 23 Oct 2017 11:46:02 +0300 [thread overview]
Message-ID: <083108b4-6300-6302-d8c8-108fc6ae07fb@redhat.com> (raw)
In-Reply-To: <1508737557.16488.1.camel@redhat.com>
On 23/10/2017 8:45, Gerd Hoffmann wrote:
> Hi,
>
>> The guest will still run with 40 bits physical!
>> (judging the code anyway, I hope I am wrong)
>>
>> Then, the stakes are not so big, the Guest kernel will disregard
>> the 64bit hole since is not CPU addressable and go on.
>
> But then there is no working 64bit hole for hotplug ...
>
Hosts with old CPUs are not fit for modern PCIe devices
having large BARs anyway, no 64bit hole in this case would
be OK, I think.
Thanks,
Marcel
> cheers,
> Gerd
>
next prev parent reply other threads:[~2017-10-23 8:46 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-10-18 9:58 [Qemu-devel] [PATCH] hw/pci-host: Fix x86 Host Bridges 64bit PCI hole Marcel Apfelbaum
2017-10-18 10:45 ` Igor Mammedov
2017-10-18 10:57 ` Marcel Apfelbaum
2017-10-18 11:40 ` Laszlo Ersek
2017-10-19 9:30 ` Marcel Apfelbaum
2017-10-19 10:41 ` Laszlo Ersek
2017-10-19 11:29 ` Marcel Apfelbaum
2017-10-19 11:52 ` Laszlo Ersek
2017-10-19 13:03 ` Gerd Hoffmann
2017-10-19 13:34 ` Marcel Apfelbaum
2017-10-20 6:55 ` Gerd Hoffmann
2017-10-20 9:32 ` Laszlo Ersek
2017-10-20 10:59 ` Gerd Hoffmann
2017-10-20 14:06 ` Marcel Apfelbaum
2017-10-20 13:47 ` Marcel Apfelbaum
2017-10-23 5:45 ` Gerd Hoffmann
2017-10-23 8:46 ` Marcel Apfelbaum [this message]
2017-10-23 9:16 ` Gerd Hoffmann
2017-10-23 9:35 ` Marcel Apfelbaum
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