From: Zachary Amsden <zach@vmware.com>
To: Jeremy Fitzhardinge <jeremy@goop.org>
Cc: Andi Kleen <ak@suse.de>, Andrew Morton <akpm@osdl.org>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
Linus Torvalds <torvalds@osdl.org>
Subject: Re: [PATCH] Bugfix for VMI paravirt ops
Date: Thu, 05 Apr 2007 17:09:34 -0700 [thread overview]
Message-ID: <46158FBE.3090105@vmware.com> (raw)
In-Reply-To: <46158F8E.1050807@goop.org>
Jeremy Fitzhardinge wrote:
> Zachary Amsden wrote:
>
>> Well at this point, the "proper" fix is dependent on Jeremy's
>> kmap_atomic_pte changes, which are definitely too late to pull into
>> 2.6.21. Can we just apply this patch please?
>>
>
> Hm, I think they're independent aren't they? Your fix is about making
> lazy_mmu disable interrupts; that's independent of how highpte pages get
> mapped.
No, they are totally dependent. The reason interrupts are disabled is
to stop kmap_atomic in interrupt handlers. With the kmap_atomic_pte
changes, the whole interrupt disable jibberish goes away.
Zach
next prev parent reply other threads:[~2007-04-06 0:11 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-04-05 23:29 [PATCH] Bugfix for VMI paravirt ops Zachary Amsden
2007-04-05 23:34 ` Zachary Amsden
2007-04-05 23:55 ` Andrew Morton
2007-04-05 23:54 ` Andi Kleen
2007-04-06 0:01 ` Zachary Amsden
2007-04-06 0:08 ` Jeremy Fitzhardinge
2007-04-06 0:09 ` Zachary Amsden [this message]
2007-04-06 0:14 ` Jeremy Fitzhardinge
2007-04-06 0:20 ` Zachary Amsden
2007-04-06 0:33 ` Jeremy Fitzhardinge
2007-04-06 0:45 ` Zachary Amsden
2007-04-06 0:52 ` Jeremy Fitzhardinge
2007-04-06 0:54 ` Zachary Amsden
2007-04-06 1:31 ` Jeremy Fitzhardinge
2007-04-06 1:32 ` Zachary Amsden
2007-04-06 1:36 ` Jeremy Fitzhardinge
2007-04-06 1:42 ` Zachary Amsden
2007-04-06 1:19 ` Zachary Amsden
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