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[2620:137:e000::1:20]) by mx.google.com with ESMTP id d37-20020a056402402500b00445badeb27csi2990762eda.615.2022.08.17.09.42.06; Wed, 17 Aug 2022 09:42:31 -0700 (PDT) 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=@linutronix.de header.s=2020 header.b=3js9FtXG; dkim=neutral (no key) header.i=@linutronix.de header.s=2020e; 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=QUARANTINE dis=NONE) header.from=linutronix.de Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S241006AbiHQQ1k (ORCPT + 99 others); Wed, 17 Aug 2022 12:27:40 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:50712 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S240990AbiHQQ1i (ORCPT ); Wed, 17 Aug 2022 12:27:38 -0400 Received: from galois.linutronix.de (Galois.linutronix.de [IPv6:2a0a:51c0:0:12e:550::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B4D88A0307 for ; Wed, 17 Aug 2022 09:27:37 -0700 (PDT) From: Sebastian Andrzej Siewior DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020; t=1660753655; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding; bh=S8cEo5yPBDZFmWTJAlnsL4er4PqEcEC7xdye2QerCLU=; b=3js9FtXGjkkmS+K2vMEGOgdv3cpnzc/4umeFsH3GkjNYIdWWDNgjOcCpuEE4kWvBeQ3TRK rmZAJVStU3/QBr1QTecYO/N5oeD1B+htaHrFxAR0fhRamOvuilBWeRIKGwyY4XNCHuk/7B UM15AK8SIAMgrWoafqCpu1CQWiZr54OzCCiy+GVXyMqaAKEFqv+0zXGr1gc1ZyJ1/TeP0S VU7MfmBFWJtXNi9ctfiDGYxF3jlMWuAGOkRGp4jr/S/XYVfsEyermHxg9isEDUf2qT7UiO 3UKeyZoWzBWj0h36vhn2KT2sC4BiNVPZFM0+TAMzyu5YMTRS/qEx2+/nLPKyaA== DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020e; t=1660753655; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding; bh=S8cEo5yPBDZFmWTJAlnsL4er4PqEcEC7xdye2QerCLU=; b=Axjanp5bui//gxUBL/iLZ7uqhIpL30WyfWSYVuoYz2jNCYxK9bz9UBulZxAbAr+/Myn1Ip D+0suN2mlDBLbjCQ== To: linux-kernel@vger.kernel.org Cc: Thomas Gleixner , Peter Zijlstra , Steven Rostedt , Linus Torvalds , Matthew Wilcox Subject: [PATCH 0/9] Replace PREEMPT_RT ifdefs with preempt_[dis|en]able_nested(). Date: Wed, 17 Aug 2022 18:26:54 +0200 Message-Id: <20220817162703.728679-1-bigeasy@linutronix.de> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Spam-Status: No, score=-4.4 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_MED,SPF_HELO_NONE, SPF_PASS,T_SCC_BODY_TEXT_LINE,URIBL_BLOCKED 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 Folks, this is the follow up to the "vfs.git pile 3 - dcache" pull request [0]. It was concluded that the introduction of preempt_disable_nested() in general makes sense and should be used in places where preemption on !RT is disabled by other means and PREEMPT_RT need to explicitly disable it. This series introduces the macro and converts already existing users to that macro. The u64_stat interface was simplified to make the change simpler and code easier to follow. [0] https://lore.kernel.org/all/YurA3aSb4GRr4wlW@ZenIV/ Sebastian