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Date: Thu, 24 Jun 2010 13:08:30 +0200 From: Andi Kleen <andi@...stfloor.org> To: Peter Zijlstra <peterz@...radead.org> Cc: Andi Kleen <andi@...stfloor.org>, Huang Ying <ying.huang@...el.com>, Ingo Molnar <mingo@...e.hu>, "H.PeterA" <"nvin hpa"@zytor.com>, linux-kernel@...r.kernel.org Subject: Re: [RFC][PATCH] irq_work > And I really want hardirq context for perf callbacks, some code actually > relies on it (I used to have the fallback in the timer softirq and that Surely that could be fixed? *requiring* hard irq context sounds weird. > broke thing at some point). I have one case that needs to sleep (but only when interrupting user code) They key thing in it really is to switch stacks back to process. -andi -- ak@...ux.intel.com -- Speaking for myself only. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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