From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753008Ab0EMIMj (ORCPT ); Thu, 13 May 2010 04:12:39 -0400 Received: from fg-out-1718.google.com ([72.14.220.152]:25669 "EHLO fg-out-1718.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751548Ab0EMIMf (ORCPT ); Thu, 13 May 2010 04:12:35 -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 :references:in-reply-to:x-enigmail-version:content-type :content-transfer-encoding; b=x2CiO0ghml9q0v/BgyP/e2k/JOdt2b5sFjeXaHxgT/2AKBfY1vHgXBAqkWycZstoQv NmHwjZ72HEkrdLvPdD82IYJYzYZsTgc89d6pBiVEnp+yF7vHYN/bJe29zhdonSPhaw92 8sK9KPXM+Ckzw6H8J+ZnLcxegoCygHKobb7V0= Message-ID: <4BEBB470.9040501@gmail.com> Date: Thu, 13 May 2010 10:12:32 +0200 From: Jiri Slaby User-Agent: Mozilla/5.0 (X11; U; Linux x86_64; cs-CZ; rv:1.9.2.5pre) Gecko/20100430 SUSE/3.1b2-7.1 Thunderbird/3.1b2 MIME-Version: 1.0 To: ratheesh k CC: linux-rt-users@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: Differnce between kthread and worqueue ? References: <4BEBB413.9010404@gmail.com> In-Reply-To: <4BEBB413.9010404@gmail.com> X-Enigmail-Version: 1.0 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 On 05/13/2010 10:10 AM, Jiri Slaby wrote: > On 05/13/2010 09:25 AM, ratheesh k wrote: >> What is the real difference between these ? . I know that workqueue >> run on process context and can sleep ..what about kthread ? > > Well, workqueue runs in a kthread called name_of_your_workqueue/cpu > ("/cpu" is omitted when singlethread wq). (And when you use just schedule_work and create no workqueue for yourself, it's "events/cpu" kthread.) -- js