Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753325AbZF2TfB (ORCPT ); Mon, 29 Jun 2009 15:35:01 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752771AbZF2Tez (ORCPT ); Mon, 29 Jun 2009 15:34:55 -0400 Received: from fg-out-1718.google.com ([72.14.220.153]:50094 "EHLO fg-out-1718.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752288AbZF2Tey (ORCPT ); Mon, 29 Jun 2009 15:34:54 -0400 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=message-id:date:from:user-agent:mime-version:to:cc:subject :x-enigmail-version:content-type:content-transfer-encoding; b=LPS2SJVFTuoAuqZOUHOUPks8zCHXbRRH6GkdH8gZB5XDH6zDUeo1IwU7aQ1xhCtoj8 yEQmcvgi9amnNZQnTk9qBiiWzDBhmFT6xROAeXew8nANONtpkJ06HyAxtwlARuqh++SU 1cYMDQ+rttyTyIUYROFFUNODT7RAf4A5Bg0Wg= Message-ID: <4A49175E.3020409@gmail.com> Date: Mon, 29 Jun 2009 21:34:54 +0200 From: Jiri Slaby User-Agent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.1pre) Gecko/20090528 SUSE/3.0b2-11.5 Thunderbird/3.0b3pre MIME-Version: 1.0 To: sameo@linux.intel.com CC: LKML , laforge@openezx.org, drwyrm@gmail.com Subject: MFD: mutex from ISR in ezx-pcap? X-Enigmail-Version: 0.96a Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 491 Lines: 12 Hi, pcap_adc_irq tries to perform non-atomic operations in ISR which is not allowed. Above that, it may deadlock. Since all the operations there (read, write, mutex locking) may sleep, any objections to convert the ISR contents to a workqueue? -- 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/