From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id CB312C43334 for ; Tue, 14 Jun 2022 14:59:03 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1356459AbiFNO66 (ORCPT ); Tue, 14 Jun 2022 10:58:58 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:56246 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S243033AbiFNO6X (ORCPT ); Tue, 14 Jun 2022 10:58:23 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [IPv6:2604:1380:4641:c500::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id DDFFF13F8F for ; Tue, 14 Jun 2022 07:58:22 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 861FC60B98 for ; Tue, 14 Jun 2022 14:58:22 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 97ED5C3411B; Tue, 14 Jun 2022 14:58:21 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1655218702; bh=npIA38Z8CVWlfRLv4ZtqSctmDUHm77bZCDxb74j2+gI=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=qvcbqPZJHuCT0eFTnnoN3AJBRpPqtGAN14cJ9P/FUkuqAiMZxQjp9r70Z8JgBWqi0 RNjmh3EMoK9uuTLxqBsXNPPY65XKXOLVRjlzrbtb5jefLPHtoPBURrrwTdgA+jjrSX 6K51ChBZ93RmwXrU00uCTwKuRTxUSAXvcqOWlW/Q= Date: Tue, 14 Jun 2022 16:58:19 +0200 From: Greg KH To: wuchi Cc: alexios.zavras@intel.com, allison@lohutok.net, armijn@tjaldur.nl, akpm@linux-foundation.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH] lib/klist: Remove mb() before wake_up_process Message-ID: References: <20220614144443.6566-1-wuchi.zero@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20220614144443.6566-1-wuchi.zero@gmail.com> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Jun 14, 2022 at 10:44:43PM +0800, wuchi wrote: > Function wake_up_process always executes a general memory barrier, > so remove the mb() before it. Really? On all systems? I do not see that, where does it happen? > Signed-off-by: wuchi We need a "real name" for commits. How did you test this patch? thanks, greg k-h