From: "Jan Beulich" <JBeulich@suse.com>
To: Tim Deegan <tim@xen.org>
Cc: Ian Campbell <Ian.Campbell@eu.citrix.com>,
xen-devel <xen-devel@lists.xenproject.org>,
Keir Fraser <keir@xen.org>,
Ian Jackson <Ian.Jackson@eu.citrix.com>
Subject: Re: [PATCH] switch rangeset's lock to rwlock
Date: Thu, 18 Sep 2014 13:15:24 +0100 [thread overview]
Message-ID: <541AE8FC02000078000362D1@mail.emea.novell.com> (raw)
In-Reply-To: <20140918104316.GD65000@deinos.phlegethon.org>
>>> On 18.09.14 at 12:43, <tim@xen.org> wrote:
> At 13:55 +0100 on 12 Sep (1410526507), Jan Beulich wrote:
>> As a general library routine, it should behave as efficiently as
>> possible, even if at present no significant contention is known here.
>>
>> Signed-off-by: Jan Beulich <jbeulich@suse.com>
>> ---
>> With the widened use of rangesets I'd like to re-suggest this change
>> which I had posted already a couple of years back.
>
> Is this addressing an actual (measured) problem or just seems like a
> good idea? If the latter maybe keep it until after 4.5?
The latter. And yes, I have no problem keeping it until after 4.5,
it's just that the multi-ioreq-server's extended use of rangesets
(as said elsewhere) would seem to make this a reasonable fit for
4.5.
Jan
next prev parent reply other threads:[~2014-09-18 12:15 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-09-12 12:55 [PATCH] switch rangeset's lock to rwlock Jan Beulich
2014-09-18 10:43 ` Tim Deegan
2014-09-18 12:15 ` Jan Beulich [this message]
2014-09-18 13:02 ` Tim Deegan
2014-09-18 13:32 ` Jan Beulich
2014-09-18 14:52 ` Paul Durrant
2014-09-19 16:33 ` Konrad Rzeszutek Wilk
2014-09-22 9:42 ` Ian Campbell
2014-09-22 10:34 ` Jan Beulich
2014-09-19 16:32 ` Konrad Rzeszutek Wilk
2014-09-30 8:50 ` Jan Beulich
2014-09-30 12:01 ` Tim Deegan
2014-09-30 20:53 ` Keir Fraser
2014-10-01 8:57 ` Jan Beulich
2014-10-01 9:31 ` Keir Fraser
-- strict thread matches above, loose matches on Subject: below --
2011-03-25 16:49 Jan Beulich
2011-03-25 17:08 ` Keir Fraser
2011-03-25 17:52 ` Dan Magenheimer
2011-03-25 20:52 ` Keir Fraser
2011-03-30 22:44 ` Jeremy Fitzhardinge
2011-03-28 8:23 ` Jan Beulich
2011-03-28 8:54 ` Keir Fraser
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