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=-13.1 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,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 33694C43457 for ; Fri, 9 Oct 2020 12:30:17 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id D56F1222B8 for ; Fri, 9 Oct 2020 12:30:16 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1602246616; bh=/LgqUCMjSg7z976eVIiqvcqFVLinAuNZ2lKHNEUU5aw=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=TcNRuLZ6Kr+Krr9G5Hr+sgsEdPvI4dMCE89zCZRVB8nPf8b88yuhA3uBU0prCGXri bxQ85pG9X4LYnBHMIfkEm5Cgtz36LbTqrvQ+dhlggH7YjO+TLB8VkQaYmNzsykMDpb G5BOwwIgMlY91baIV6rNf8yDloQbqZ9zs3AmZ9lc= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2388543AbgJIMaP (ORCPT ); Fri, 9 Oct 2020 08:30:15 -0400 Received: from mail-ej1-f66.google.com ([209.85.218.66]:41523 "EHLO mail-ej1-f66.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1733117AbgJIMaB (ORCPT ); Fri, 9 Oct 2020 08:30:01 -0400 Received: by mail-ej1-f66.google.com with SMTP id x7so2653436eje.8 for ; Fri, 09 Oct 2020 05:30:00 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=RMeWwwANxhjjIfeIc8PXKMbqt4pds9dxGsPZyRdXfds=; b=CpsuZP/YCEcJHXh6y89xm4MyPuV2sHUQNDUH2Wtn/FBJnouZ/m+LnlZ+Jtv5iHKM1C vk6r4A4VgIroX+Qom3BxPn8wgQAG0NJ7Rf32aCJFswQtlrOZX0nZIETV/6bdS9jVpmUv 3zo09Bp0njPbDCUJHLYC8bI26spKJ72ADRlTxz2vyfTtmYtF3pRX1Y+1SVXu0XFKQoew VYwmikNTHInxAsRve4UoXn78lkY6b1gdN4JlratkfW3rm26K+zUQowvTQtJ7Ol3idi9w 8Z5YiFiG5OssrlfPGPftfsyhJ4XFSXjvCmgSuLAGgEG/JW4AUi5j1VlBIGtxsGdF7WXX ysHw== X-Gm-Message-State: AOAM5330JJnNTsBnO/7CQlWgizRd5uKVDrnKRVqMBTFT9zaFySCZsfr6 fIwuZqFnF0I19I7q01RJ+vc= X-Google-Smtp-Source: ABdhPJzv3HUix6XXzlFbzeAbsVJQJUTyCLZBDegSgiofxT+Vc/3oA416WUNDROy4IUwLRNaYcKaI5g== X-Received: by 2002:a17:907:3393:: with SMTP id zj19mr13637307ejb.258.1602246599417; Fri, 09 Oct 2020 05:29:59 -0700 (PDT) Received: from tiehlicka.suse.cz (ip-85-160-42-169.eurotel.cz. [85.160.42.169]) by smtp.gmail.com with ESMTPSA id q27sm6412701ejd.74.2020.10.09.05.29.58 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 09 Oct 2020 05:29:59 -0700 (PDT) From: Michal Hocko To: Peter Zijlstra , Thomas Gleixner Cc: Mel Gorman , Frederic Weisbecker , Ingo Molnar , LKML , Michal Hocko Subject: [RFC PATCH v2 3/5] kernel: ARCH_NO_PREEMPT shouldn't exclude PREEMPT_VOLUNTARY Date: Fri, 9 Oct 2020 14:29:24 +0200 Message-Id: <20201009122926.29962-4-mhocko@kernel.org> X-Mailer: git-send-email 2.28.0 In-Reply-To: <20201009122926.29962-1-mhocko@kernel.org> References: <20201007120401.11200-1-mhocko@kernel.org> <20201009122926.29962-1-mhocko@kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Michal Hocko PREEMPT_VOLUNTARY is fully arch agnostic so there shouldn't be any reason to restrict this preemption mode by ARCH_NO_PREEMPT. Signed-off-by: Michal Hocko --- kernel/Kconfig.preempt | 1 - 1 file changed, 1 deletion(-) diff --git a/kernel/Kconfig.preempt b/kernel/Kconfig.preempt index bf82259cff96..c460a9a2373b 100644 --- a/kernel/Kconfig.preempt +++ b/kernel/Kconfig.preempt @@ -19,7 +19,6 @@ config PREEMPT_NONE config PREEMPT_VOLUNTARY bool "Voluntary Kernel Preemption (Desktop)" - depends on !ARCH_NO_PREEMPT help This option reduces the latency of the kernel by adding more "explicit preemption points" to the kernel code. These new -- 2.28.0