From: "Jan Beulich" <JBeulich@novell.com>
To: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Cc: jeremy@goop.org, xen-devel@lists.xensource.com,
Kirk Allan <KALLAN@novell.com>
Subject: Re: [GIT PULL] for-2.6.32/bug-fixes
Date: Wed, 18 May 2011 16:23:02 +0100 [thread overview]
Message-ID: <4DD400760200007800041EBD@vpn.id2.novell.com> (raw)
In-Reply-To: <20110518151310.GC4709@dumpdata.com>
>>> On 18.05.11 at 17:13, Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> wrote:
>> >> That wouldn't tell you anything if they're all empty, as there's nothing
>> >> preventing other guests (including other guest OSes) to still send
>> >> non-empty ones - after all the protocol allows for this.
>> >
>> > Aha! That is what you been trying to tell me. I will make a patch to make
>> > sure to not overwrite the req->sector_number blindly. What other guest OSes
>>
>> Or use the patch I proposed?
>
> Yes. Much superior to mine.
>>
>> > use barriers? I looked at Solaris (it uses 'feature-flush-cache'), NetBSD
>> > ('feature-flush-cache') and Linux ('feature-barrier' and now in 2.6.40
>> > 'feature-flush-cache').
>> >
>> > The GPLV Windows drivers have no barrier implementation - do you know if
>> > the Novell ones are using barriers?
>>
>> No, I don't.
>
> Any idea who might know?
Kirk should.
Jan
next prev parent reply other threads:[~2011-05-18 15:23 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-05-18 6:22 [GIT PULL] for-2.6.32/bug-fixes Jan Beulich
2011-05-18 13:24 ` Konrad Rzeszutek Wilk
2011-05-18 14:31 ` Jan Beulich
2011-05-18 14:56 ` Konrad Rzeszutek Wilk
2011-05-18 15:03 ` Jan Beulich
2011-05-18 15:13 ` Konrad Rzeszutek Wilk
2011-05-18 15:23 ` Jan Beulich [this message]
-- strict thread matches above, loose matches on Subject: below --
2011-05-16 20:35 Konrad Rzeszutek Wilk
2011-05-17 9:48 ` Jan Beulich
2011-05-17 10:07 ` Jan Beulich
2011-05-17 14:16 ` Konrad Rzeszutek Wilk
2011-05-17 15:06 ` Jan Beulich
2011-05-17 15:57 ` Konrad Rzeszutek Wilk
2011-05-17 16:24 ` Jan Beulich
2011-05-17 16:43 ` Konrad Rzeszutek Wilk
2011-01-27 18:52 Konrad Rzeszutek Wilk
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