linux-kernel - Re: [RFC][PATCH] irq

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Message-ID: <20100624133323.GN578@basil.fritz.box>
Date:	Thu, 24 Jun 2010 15:33:23 +0200
From:	Andi Kleen <andi@...stfloor.org>
To:	Borislav Petkov <bp@...64.org>
Cc:	Andi Kleen <andi@...stfloor.org>, Ingo Molnar <mingo@...e.hu>,
	Peter Zijlstra <peterz@...radead.org>,
	Huang Ying <ying.huang@...el.com>,
	"H. Peter Anvin" <hpa@...or.com>,
	Borislav Petkov <petkovbb@...glemail.com>,
	linux-kernel@...r.kernel.org, mauro@...e.hu
Subject: Re: [RFC][PATCH] irq_work

> If its a critical error you do all the handling in the kernel and you

I assume you mean in MCE.  And the answer is no.

MCE generally can only panic or log, everything else
needs other contexts.

> don't need task context at all, no? 

Process context is needed for various recovery schemes, all
that need to sleep for example.

-Andi
-- 
ak@...ux.intel.com -- Speaking for myself only.
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