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From: Suresh Siddha <suresh.b.siddha@intel.com>
To: Christoph Hellwig <hch@infradead.org>
Cc: Suresh Siddha <suresh.b.siddha@intel.com>,
	mingo@elte.hu, hpa@zytor.com, tglx@linutronix.de,
	andi@firstfloor.org, linux-kernel@vger.kernel.org,
	Arjan van de Ven <arjan@linux.intel.com>
Subject: Re: [patch 2/2] x86, fpu: lazy allocation of FPU area - v3
Date: Mon, 3 Mar 2008 17:43:06 -0800	[thread overview]
Message-ID: <20080304014306.GC28006@linux-os.sc.intel.com> (raw)
In-Reply-To: <20080304012012.GB22431@infradead.org>

On Mon, Mar 03, 2008 at 08:20:12PM -0500, Christoph Hellwig wrote:
> On Mon, Mar 03, 2008 at 03:02:46PM -0800, Suresh Siddha wrote:
> > +	/*
> > +	 * Memory allocation at the first usage of the FPU and other state.
> > +	 */
> > +	if (!tsk->thread.xstate)
> > +		tsk->thread.xstate = kmem_cache_alloc(task_xstate_cachep, GFP_KERNEL);
> 
> Please don't do over 80 char lines.

Ok.

>  Also don't we need some kind of error handling here?

Currently it uses SLAB_PANIC.

thanks,
suresh

  reply	other threads:[~2008-03-04  1:43 UTC|newest]

Thread overview: 26+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-03-03 23:02 [patch 1/2] x86, fpu: split FPU state from task struct - v3 Suresh Siddha
2008-03-03 23:02 ` [patch 2/2] x86, fpu: lazy allocation of FPU area " Suresh Siddha
2008-03-04  1:20   ` Christoph Hellwig
2008-03-04  1:43     ` Suresh Siddha [this message]
2008-03-04 10:32       ` Ingo Molnar
2008-03-04 17:55         ` Suresh Siddha
2008-03-05 19:47           ` Pavel Machek
2008-03-06 15:51             ` Ingo Molnar
2008-03-06 19:10               ` Suresh Siddha
2008-03-06 20:24               ` Pavel Machek
2008-03-06 20:52                 ` Andi Kleen
2008-03-07 12:29                 ` H. Peter Anvin
2008-03-07 13:06                   ` Arjan van de Ven
2008-03-07 13:18                     ` Andi Kleen
2008-03-07 13:20                       ` Arjan van de Ven
2008-03-07 13:27                         ` Andi Kleen
2008-03-05 19:48   ` Pavel Machek
2008-03-06 19:26     ` Suresh Siddha
2008-03-06 21:21       ` Pavel Machek
2008-03-04  1:18 ` [patch 1/2] x86, fpu: split FPU state from task struct " Christoph Hellwig
2008-03-04  1:36   ` Suresh Siddha
2008-03-04  8:20     ` Ingo Molnar
2008-03-06 12:39     ` Christoph Hellwig
2008-03-04 10:28 ` Ingo Molnar
2008-03-04 17:59   ` Suresh Siddha
2008-03-04 20:53     ` Ingo Molnar

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