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From: Jeremy Fitzhardinge <jeremy@goop.org>
To: Andrew Morton <akpm@linux-foundation.org>
Cc: Zachary Amsden <zach@vmware.com>, Andi Kleen <ak@suse.de>,
	Linus Torvalds <torvalds@linux-foundation.org>,
	Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH] VMI paravirt-ops bugfix for 2.6.21
Date: Sat, 31 Mar 2007 01:11:55 -0700	[thread overview]
Message-ID: <460E17CB.6010609@goop.org> (raw)
In-Reply-To: <20070331010213.b7aa4656.akpm@linux-foundation.org>

Andrew Morton wrote:
> On Sat, 31 Mar 2007 00:45:59 -0800 Zachary Amsden <zach@vmware.com> wrote:
>
>   
>> +static void vmi_set_lazy_mode(int new_mode)
>> +{
>> +	static DEFINE_PER_CPU(int, mode);
>> +	static DEFINE_PER_CPU(unsigned long, flags);
>> +	int cpu = smp_processor_id();
>>     
>
> That will cause upset if CONFIG_PREEMPT=y?
>   

It must be called under the pagetable lock, so preempt should already be
disabled.

    J

  reply	other threads:[~2007-03-31  8:12 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-03-31  8:45 [PATCH] VMI paravirt-ops bugfix for 2.6.21 Zachary Amsden
2007-03-31  8:02 ` Andrew Morton
2007-03-31  8:11   ` Jeremy Fitzhardinge [this message]
2007-03-31  8:11 ` Jeremy Fitzhardinge
2007-03-31  9:19   ` Zachary Amsden
2007-03-31 14:35 ` Andi Kleen
2007-04-01  7:01   ` Zachary Amsden

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