From: Laszlo Ersek <lersek@redhat.com>
To: Peter Maydell <peter.maydell@linaro.org>
Cc: qemu devel list <qemu-devel@nongnu.org>
Subject: Re: [Qemu-devel] address order of virtio-mmio devices
Date: Fri, 30 Jan 2015 12:48:55 +0100 [thread overview]
Message-ID: <54CB6FA7.5040701@redhat.com> (raw)
In-Reply-To: <CAFEAcA9uw+RU9+o7mwCT5QAYFeCO=qd3Lfua9-qWC2DJ1PwZTg@mail.gmail.com>
On 01/30/15 12:40, Peter Maydell wrote:
> On 30 January 2015 at 11:38, Laszlo Ersek <lersek@redhat.com> wrote:
>> Please note that (as far as I understand) the patch that I referenced is
>> indeed very new, it's not part of v3.18, but the reversal can easily be
>> seen with v3.18. In other words, the kernel patch I referenced
>> introduces no functional change, it just reorganizes stuff in the kernel
>> (AIUI), with the benefit of killing a superfluous field.
>>
>> The reason I referenced it because its *commit message* gives good
>> background. If we really wanted to find the kernel change that reversed
>> the traversal, we'd have to talk to Grant and/or bisect the kernel.
>
> Just as a sanity check, do we actually have an old kernel that
> enumerates in the opposite order (as opposed to my two-year-old
> "I'm sure this used to be right" memories...) ?
I never saw one. :) That's why I asked in my first message if anyone had
actually tested that loop / comment.
Thanks,
Laszlo
next prev parent reply other threads:[~2015-01-30 11:49 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-01-29 17:25 [Qemu-devel] address order of virtio-mmio devices Laszlo Ersek
2015-01-29 17:59 ` Paolo Bonzini
2015-01-29 18:15 ` Peter Maydell
2015-01-29 18:29 ` Laszlo Ersek
2015-01-29 19:01 ` Peter Maydell
2015-01-29 19:12 ` Laszlo Ersek
2015-01-29 19:47 ` Laszlo Ersek
2015-01-29 20:05 ` Peter Maydell
2015-01-30 9:54 ` Daniel P. Berrange
2015-01-30 10:16 ` Laszlo Ersek
2015-01-30 10:29 ` Peter Maydell
2015-01-30 10:48 ` Daniel P. Berrange
2015-01-30 10:54 ` Peter Maydell
2015-01-30 11:32 ` Peter Maydell
2015-01-30 11:39 ` Laszlo Ersek
2015-01-30 11:42 ` Peter Maydell
2015-01-30 11:38 ` Laszlo Ersek
2015-01-30 11:40 ` Peter Maydell
2015-01-30 11:48 ` Laszlo Ersek [this message]
2015-01-30 11:50 ` Peter Maydell
2015-01-29 19:09 ` Richard W.M. Jones
2015-01-29 19:28 ` Peter Maydell
2015-01-29 19:35 ` Laszlo Ersek
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