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=-3.5 required=3.0 tests=FREEMAIL_FORGED_FROMDOMAIN, FREEMAIL_FROM,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS autolearn=no 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 900EAC43603 for ; Wed, 11 Dec 2019 11:12:58 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 49EF3208C3 for ; Wed, 11 Dec 2019 11:12:58 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 49EF3208C3 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=sina.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id EC9BF6B319E; Wed, 11 Dec 2019 06:12:57 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id E79B56B319F; Wed, 11 Dec 2019 06:12:57 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id D90BE6B31A0; Wed, 11 Dec 2019 06:12:57 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0002.hostedemail.com [216.40.44.2]) by kanga.kvack.org (Postfix) with ESMTP id C51016B319E for ; Wed, 11 Dec 2019 06:12:57 -0500 (EST) Received: from smtpin04.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay01.hostedemail.com (Postfix) with SMTP id 3AD8A180AD820 for ; Wed, 11 Dec 2019 11:12:57 +0000 (UTC) X-FDA: 76252598394.04.wool33_70db34911c707 X-HE-Tag: wool33_70db34911c707 X-Filterd-Recvd-Size: 1552 Received: from mail3-167.sinamail.sina.com.cn (mail3-167.sinamail.sina.com.cn [202.108.3.167]) by imf01.hostedemail.com (Postfix) with SMTP for ; Wed, 11 Dec 2019 11:12:55 +0000 (UTC) Received: from unknown (HELO localhost.localdomain)([221.219.0.244]) by sina.com with ESMTP id 5DF0CF330001B1D9; Wed, 11 Dec 2019 19:12:52 +0800 (CST) X-Sender: hdanton@sina.com X-Auth-ID: hdanton@sina.com X-SMAIL-MID: 924905629342 From: Hillf Danton To: linux-kernel Cc: linux-mm , Hillf Danton Subject: [RFC 2/4] workqueue: use smp_processor_id() on queuing work Date: Wed, 11 Dec 2019 19:12:41 +0800 Message-Id: <20191211111241.25000-1-hdanton@sina.com> In-Reply-To: <20191211104601.16468-1-hdanton@sina.com> References: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Bogosity: Ham, tests=bogofilter, spamicity=0.213778, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: Use the regular version with irq disabled. Signed-off-by: Hillf Danton --- --- c/kernel/workqueue.c +++ d/kernel/workqueue.c @@ -1415,11 +1415,11 @@ retry: /* pwq which will be used unless @work is executing elsewhere */ if (wq->flags & WQ_UNBOUND) { if (req_cpu =3D=3D WORK_CPU_UNBOUND) - cpu =3D wq_select_unbound_cpu(raw_smp_processor_id()); + cpu =3D wq_select_unbound_cpu(smp_processor_id()); pwq =3D unbound_pwq_by_node(wq, cpu_to_node(cpu)); } else { if (req_cpu =3D=3D WORK_CPU_UNBOUND) - cpu =3D raw_smp_processor_id(); + cpu =3D smp_processor_id(); pwq =3D per_cpu_ptr(wq->cpu_pwqs, cpu); } =20