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Date: Thu, 29 Apr 2010 22:39:45 +0200 (CEST) From: Thomas Gleixner <tglx@...utronix.de> To: Peter P Waskiewicz Jr <peter.p.waskiewicz.jr@...el.com> cc: "davem@...emloft.net" <davem@...emloft.net>, "arjan@...ux.jf.intel.com" <arjan@...ux.jf.intel.com>, "netdev@...r.kernel.org" <netdev@...r.kernel.org>, "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org> Subject: Re: [PATCH RFC: linux-next 1/2] irq: Add CPU mask affinity hint callback framework On Thu, 29 Apr 2010, Peter P Waskiewicz Jr wrote: > On Thu, 2010-04-29 at 12:48 -0700, Thomas Gleixner wrote: > > Thinking more about it, I wonder whether you have a cpu_mask in your > > driver/device private data anyway. I bet you have :) > > Well, at this point we don't, but nothing says we can't. Somewhere you need to store that information in your driver, right ? > > So it should be sufficient to set a pointer to that cpu_mask in > > irq_desc and get rid of the callback completely. > > So "register" would just assign the pointer, and "unregister" would make > sure to NULL the mask pointer out. I like it. It'll sure clean things > up too. Yep, that'd be like the set_irq_chip() function. Just assign the pointer under desc->lock. Thanks, tglx -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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