All of lore.kernel.org
 help / color / mirror / Atom feed
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
> 

  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

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=083108b4-6300-6302-d8c8-108fc6ae07fb@redhat.com \
    --to=marcel@redhat.com \
    --cc=dgilbert@redhat.com \
    --cc=ehabkost@redhat.com \
    --cc=imammedo@redhat.com \
    --cc=kraxel@redhat.com \
    --cc=lersek@redhat.com \
    --cc=mst@redhat.com \
    --cc=pbonzini@redhat.com \
    --cc=qemu-devel@nongnu.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body. 
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.