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 C9B68C4332F for ; Sat, 8 Jan 2022 16:44:25 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234695AbiAHQoZ (ORCPT ); Sat, 8 Jan 2022 11:44:25 -0500 Received: from ams.source.kernel.org ([145.40.68.75]:33418 "EHLO ams.source.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232038AbiAHQoW (ORCPT ); Sat, 8 Jan 2022 11:44:22 -0500 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 ams.source.kernel.org (Postfix) with ESMTPS id DE538B8075E for ; Sat, 8 Jan 2022 16:44:21 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 4E76AC36AE3; Sat, 8 Jan 2022 16:44:20 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1641660260; bh=bUrRFZAr479LQP/6WPwNI+9QSQKTdrq6o7ocsecDxbU=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=HZ333cMtnVBA70AW2odanHwWzISHcbq2v8sHljXikH2mkdQZhlc9Ej6nG9o6YiAGU JAMax/oSICJXzkPkJkuLtc+lJpSFR/2IJ8d2CxOZ5yDhFB4iL16bCvdurC3VmLS8p0 XdRjpXEIJcrn7YP5BfOvRkEIK+ZwGDlLSRR8mPRAQUjlWfwMfBhz+/6dl7q6A2supO teM2enjF/rxtXkArCAH64SyMEzGfoqitT7V3KfrpNbbcjQz3B/hvJX+vBCmUW3zdvT uNVP5rvUGXLYhJaRgFM1pEHYiruMtHIx7LEotVnN3xVRE/aq/dSs1skvVkCzrJ3OwX tjaFoWDe+Q3Hg== From: Andy Lutomirski To: Andrew Morton , Linux-MM Cc: Nicholas Piggin , Anton Blanchard , Benjamin Herrenschmidt , Paul Mackerras , Randy Dunlap , linux-arch , x86@kernel.org, Rik van Riel , Dave Hansen , Peter Zijlstra , Nadav Amit , Mathieu Desnoyers , Andy Lutomirski Subject: [PATCH 03/23] membarrier: Remove membarrier_arch_switch_mm() prototype in core code Date: Sat, 8 Jan 2022 08:43:48 -0800 Message-Id: <651efcf54f1d16467b12077b5366dfce587191d3.1641659630.git.luto@kernel.org> X-Mailer: git-send-email 2.33.1 In-Reply-To: References: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-arch@vger.kernel.org membarrier_arch_switch_mm()'s sole implementation and caller are in arch/powerpc. Having a fallback implementation in include/linux is confusing -- remove it. It's still mentioned in a comment, but a subsequent patch will remove it. Cc: Mathieu Desnoyers Cc: Nicholas Piggin Cc: Peter Zijlstra Acked-by: Nicholas Piggin Acked-by: Mathieu Desnoyers Signed-off-by: Andy Lutomirski --- include/linux/sched/mm.h | 7 ------- 1 file changed, 7 deletions(-) diff --git a/include/linux/sched/mm.h b/include/linux/sched/mm.h index c256a7fc0423..0df706c099e5 100644 --- a/include/linux/sched/mm.h +++ b/include/linux/sched/mm.h @@ -350,13 +350,6 @@ extern void membarrier_exec_mmap(struct mm_struct *mm); extern void membarrier_update_current_mm(struct mm_struct *next_mm); #else -#ifdef CONFIG_ARCH_HAS_MEMBARRIER_CALLBACKS -static inline void membarrier_arch_switch_mm(struct mm_struct *prev, - struct mm_struct *next, - struct task_struct *tsk) -{ -} -#endif static inline void membarrier_exec_mmap(struct mm_struct *mm) { } -- 2.33.1