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[2620:137:e000::1:20]) by mx.google.com with ESMTP id x5-20020a1709028ec500b0017086b1c40dsi17237405plo.400.2022.08.24.07.38.54; Wed, 24 Aug 2022 07:39:05 -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="Y0/dLE+S"; dkim=neutral (no key) header.i=@linutronix.de; 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 S238330AbiHXN7D (ORCPT + 99 others); Wed, 24 Aug 2022 09:59:03 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:34224 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S238455AbiHXN6n (ORCPT ); Wed, 24 Aug 2022 09:58:43 -0400 Received: from galois.linutronix.de (Galois.linutronix.de [IPv6:2a0a:51c0:0:12e:550::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id DE11298D21 for ; Wed, 24 Aug 2022 06:57:38 -0700 (PDT) Date: Wed, 24 Aug 2022 15:57:35 +0200 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020; t=1661349456; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=JpalXE2XjDnPtjQgOFh+FhkS2pbYMvN3W0ynIcjZ+BY=; b=Y0/dLE+SPfTPT/KULnkf2BnawwCm17T01ZoKyPNosxbGXtvYHrgz3hFAdma/E8asoxIo0K tyvUR2iPwxAeFxO9fJ/JuP+Hd6olytuLmCheC1bBOhZmHenuYxSDp0PdPQSMSqfuWsCaXM 8fRBh6++0K6X1iflKpatQLe03W8cMr47fUyJb9VXmvgO+8uzsuvKSqHsFk5o/LierldBic qeYmfMmfiMVa4II6wWVQDt8QOPJADMHqtOturNpFSixag56VtJ2+V74phYgrsQbmnzWBvy FJYWBwWv4ewuzoELRkH1P/iwtNakSvx3zJBXFM+wOwNaUUI4wDx9l8b5ZKbZzQ== DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020e; t=1661349456; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=JpalXE2XjDnPtjQgOFh+FhkS2pbYMvN3W0ynIcjZ+BY=; b=nTVcJDUZxuy80SX/8yJGoC4OngRrITb4o8K9YIBwGn7nKZu+AvO8QDzoZYlZK2jmdmeqkO R3OzegOqJIoLOJAQ== From: Sebastian Andrzej Siewior To: Vlastimil Babka Cc: linux-kernel@vger.kernel.org, Thomas Gleixner , Peter Zijlstra , Steven Rostedt , Linus Torvalds , Matthew Wilcox , Andrew Morton , Christoph Lameter , David Rientjes , Joonsoo Kim , Pekka Enberg , linux-mm@kvack.org Subject: Re: [PATCH 1/9] slub: Make PREEMPT_RT support less convoluted Message-ID: References: <20220817162703.728679-1-bigeasy@linutronix.de> <20220817162703.728679-2-bigeasy@linutronix.de> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: 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 On 2022-08-24 15:54:54 [+0200], Vlastimil Babka wrote: > Yeah, realizing that this is true on RT led to the recent patch I > referenced. Initially when converting SLUB to RT last year I didn't realize > this detail, and instead replaced the irq disabling done (only on !RT) by > e.g. local_lock_irqsave with the manual local_irq_save(). Ah, okay. Let me get to the other series then ;) Sebastian