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Date: Fri, 14 May 2010 12:58:59 +0200 From: Steffen Klassert <steffen.klassert@...unet.com> To: Jonathan Corbet <corbet@....net> Cc: LKML <linux-kernel@...r.kernel.org>, Andrew Morton <akpm@...ux-foundation.org> Subject: Re: [PATCH] Add a document for the padata interface On Wed, May 12, 2010 at 02:29:17PM -0600, Jonathan Corbet wrote: > + > +Each task submitted to padata_do_parallel() will, in turn, be passed to > +exactly one call to the above-mentioned parallel() function, on one CPU, so > +true parallelism is achieved by submitting multiple tasks. The workqueue > +is used to actually make these calls, so parallel() runs in process context > +and is allowed to sleep. We disable the BHs before we call parallel(), so sleeping is not allowed. This is necessary to keep up with the networking softirq if padata is used for doing IPsec. Everything else reads pretty good. Thanks, Steffen -- 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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