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 X-Spam-Level: X-Spam-Status: No, score=-2.6 required=3.0 tests=DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_PASS,T_DKIM_INVALID, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id CCCEDC1B0E3 for ; Wed, 11 Jul 2018 21:02:57 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 6DD3520C0B for ; Wed, 11 Jul 2018 21:02:57 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="MbIChN8D" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 6DD3520C0B Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=infradead.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2390430AbeGKVIw (ORCPT ); Wed, 11 Jul 2018 17:08:52 -0400 Received: from bombadil.infradead.org ([198.137.202.133]:46996 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726393AbeGKVIv (ORCPT ); Wed, 11 Jul 2018 17:08:51 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20170209; h=References:In-Reply-To:Message-Id: Date:Subject:Cc:To:From:Sender:Reply-To:MIME-Version:Content-Type: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Id: List-Help:List-Unsubscribe:List-Subscribe:List-Post:List-Owner:List-Archive; bh=Vims92MzV7pbYx+03vAmr+EMloaq4UlpZcN1+UjUUn8=; b=MbIChN8DbV+Jhv4ytOgvkTugf BCbuvylC0cqMqQ2/qOM/SYnQgd0CY93fToYf22V/vOoyhUW8H9QP7DzqR53ro7M28V+VD/k1VUVvs EkUKE4DDJhNw5L3FSYmZmB9kwY1N8x7jbbzuUKOCxzPyW4eBsvuhpqhYchmG168TbnMHGdoeLaMn1 hUsc/85qH9KBYRk4M1h6s5jbQX+cGedCeX/OwXn8GfsBnJF2QGAKXsRRZswO4MtiW8IL3JtoETXFI z0ynUVs+RwgtAhPZmqeTC6Y1/ofjAVGS15D8vzbadPRJr6VIVGLH+WNrKd696YpzIQjOH66uZJe9d grb7+6INQ==; Received: from willy by bombadil.infradead.org with local (Exim 4.90_1 #2 (Red Hat Linux)) id 1fdMFp-0005A2-NM; Wed, 11 Jul 2018 21:02:29 +0000 From: Matthew Wilcox To: Dominique Martinet Cc: Matthew Wilcox , v9fs-developer@lists.sourceforge.net, Latchesar Ionkov , Eric Van Hensbergen , Ron Minnich , linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org Subject: [PATCH v2 1/6] 9p: Fix comment on smp_wmb Date: Wed, 11 Jul 2018 14:02:20 -0700 Message-Id: <20180711210225.19730-2-willy@infradead.org> X-Mailer: git-send-email 2.14.4 In-Reply-To: <20180711210225.19730-1-willy@infradead.org> References: <20180711210225.19730-1-willy@infradead.org> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The previous comment misled me into thinking the barrier wasn't needed at all. Signed-off-by: Matthew Wilcox --- net/9p/client.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/net/9p/client.c b/net/9p/client.c index 18c5271910dc..999eceb8af98 100644 --- a/net/9p/client.c +++ b/net/9p/client.c @@ -447,7 +447,7 @@ void p9_client_cb(struct p9_client *c, struct p9_req_t *req, int status) /* * This barrier is needed to make sure any change made to req before - * the other thread wakes up will indeed be seen by the waiting side. + * the status change is visible to another thread */ smp_wmb(); req->status = status; -- 2.18.0