Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755853Ab1EJNbs (ORCPT ); Tue, 10 May 2011 09:31:48 -0400 Received: from earthlight.etchedpixels.co.uk ([81.2.110.250]:49540 "EHLO www.etchedpixels.co.uk" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1755567Ab1EJNbr (ORCPT ); Tue, 10 May 2011 09:31:47 -0400 Date: Tue, 10 May 2011 14:32:43 +0100 From: Alan Cox To: "Subhasish Ghosh" Cc: , "Greg Kroah-Hartman" , , , , , "Andrew Morton \(commit_signer:1/4=25%\)" , "Randy Dunlap \(commit_signer:1/4=25%\)" , "open list" Subject: Re: [PATCH v4 08/11] tty: add pruss SUART driver Message-ID: <20110510143243.3e6f4050@lxorguk.ukuu.org.uk> In-Reply-To: References: <1303474109-6212-1-git-send-email-subhasish@mistralsolutions.com> <1303474109-6212-9-git-send-email-subhasish@mistralsolutions.com> <034A6447E0D54737B5CEE009A4D20B37@subhasishg> <20110509144610.6b4f7090@lxorguk.ukuu.org.uk> <3A9C5CD56396439DBF825BB4E5779DB9@subhasishg> <20110509145534.2677dfa1@lxorguk.ukuu.org.uk> X-Mailer: Claws Mail 3.7.8 (GTK+ 2.22.0; x86_64-redhat-linux-gnu) Face: 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 Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 445 Lines: 10 Trace all looks fine. I can't see anything else taking the lock so you'll need to do a bit more debugging and find out why the spin lock change makes the difference and what the real root cause is. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/