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[2620:137:e000::1:20]) by mx.google.com with ESMTP id qf1-20020a1709077f0100b007c0c0cb9f25si13701426ejc.3.2023.01.18.07.46.58; Wed, 18 Jan 2023 07:47:23 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@intel.com header.s=Intel header.b=C3Rpi2Tj; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=intel.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231531AbjARPqh (ORCPT + 99 others); Wed, 18 Jan 2023 10:46:37 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:50552 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230457AbjARPps (ORCPT ); Wed, 18 Jan 2023 10:45:48 -0500 Received: from mga11.intel.com (mga11.intel.com [192.55.52.93]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 1DB0230B30; Wed, 18 Jan 2023 07:45:31 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1674056731; x=1705592731; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=5UIRHWiv1nZeLK1bOeYIY8HLBo0tEoLtywnXrKNCGWQ=; b=C3Rpi2TjCKzsSBJYxOLBwXrOybnXCWjfGq8L5dvQq8XBAUx2ptKyko7B 8ehOYrLniJSZjRqRfvkvx6A15RdHmx8f0yItH0Y0mHDwmH+DX5x5EdyLd 5c6PeY/Zgb5ZNzvZBt7+Grxe96t2/qhTFXn/gme1Rd/1/D8jKrOATF5hs 4Nqsscek2yCncrR4Y2uVkMcJiDIxGZ/bRs+7RnEXlxRIyhd9pNcfjTC34 8YALgXwokbyaUUDIfGv3M6PQZdnY/wzLaEKTBvdb6XxgUVWuxR/YSlVZk 0S3TS7o7L5kxrbeG0jJl/bSWk+oS6qk+Nxdw0uCXsxNAz2SWxPRK+VHS3 g==; X-IronPort-AV: E=McAfee;i="6500,9779,10594"; a="322701316" X-IronPort-AV: E=Sophos;i="5.97,226,1669104000"; d="scan'208";a="322701316" Received: from fmsmga007.fm.intel.com ([10.253.24.52]) by fmsmga102.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 18 Jan 2023 07:45:30 -0800 X-IronPort-AV: E=McAfee;i="6500,9779,10594"; a="661759330" X-IronPort-AV: E=Sophos;i="5.97,226,1669104000"; d="scan'208";a="661759330" Received: from lab-ah.igk.intel.com ([10.102.42.211]) by fmsmga007-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 18 Jan 2023 07:45:25 -0800 From: Andrzej Hajda To: linux-alpha@vger.kernel.org, linux-kernel@vger.kernel.org, linux-snps-arc@lists.infradead.org, linux-arm-kernel@lists.infradead.org, linux-hexagon@vger.kernel.org, linux-ia64@vger.kernel.org, loongarch@lists.linux.dev, linux-m68k@lists.linux-m68k.org, linux-mips@vger.kernel.org, openrisc@lists.librecores.org, linux-parisc@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-riscv@lists.infradead.org, linux-s390@vger.kernel.org, linux-sh@vger.kernel.org, sparclinux@vger.kernel.org, linux-xtensa@linux-xtensa.org, intel-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org Cc: Andrzej Hajda , Arnd Bergmann , Rodrigo Vivi , Andrew Morton , Andy Shevchenko , Peter Zijlstra , Boqun Feng , Mark Rutland Subject: [PATCH v5 4/7] llist: simplify __llist_del_all Date: Wed, 18 Jan 2023 16:44:47 +0100 Message-Id: <20230118154450.73842-4-andrzej.hajda@intel.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230118154450.73842-1-andrzej.hajda@intel.com> References: <20230118153529.57695-1-andrzej.hajda@intel.com> <20230118154450.73842-1-andrzej.hajda@intel.com> MIME-Version: 1.0 Organization: Intel Technology Poland sp. z o.o. - ul. Slowackiego 173, 80-298 Gdansk - KRS 101882 - NIP 957-07-52-316 X-Spam-Status: No, score=-4.4 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_MED, SPF_HELO_NONE,SPF_NONE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-getmail-retrieved-from-mailbox: =?utf-8?q?INBOX?= X-GMAIL-THRID: =?utf-8?q?1755375828587040486?= X-GMAIL-MSGID: =?utf-8?q?1755375828587040486?= llist_del_all uses xchg, let's use __xchg here. Signed-off-by: Andrzej Hajda Reviewed-by: Andi Shyti --- include/linux/llist.h | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/include/linux/llist.h b/include/linux/llist.h index 85bda2d02d65be..4dc1d185ea98ab 100644 --- a/include/linux/llist.h +++ b/include/linux/llist.h @@ -50,6 +50,7 @@ #include #include +#include #include #include @@ -241,10 +242,7 @@ static inline struct llist_node *llist_del_all(struct llist_head *head) static inline struct llist_node *__llist_del_all(struct llist_head *head) { - struct llist_node *first = head->first; - - head->first = NULL; - return first; + return __xchg(&head->first, NULL); } extern struct llist_node *llist_del_first(struct llist_head *head);