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[2620:137:e000::1:20]) by mx.google.com with ESMTP id k26-20020a637b5a000000b00530b7f4243dsi2608418pgn.191.2023.06.01.03.38.43; Thu, 01 Jun 2023 03:38:56 -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=@kernel.org header.s=k20201202 header.b=C9INwCh3; 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=kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232146AbjFAKR2 (ORCPT + 99 others); Thu, 1 Jun 2023 06:17:28 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:54660 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233302AbjFAKQr (ORCPT ); Thu, 1 Jun 2023 06:16:47 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 94463196 for ; Thu, 1 Jun 2023 03:14:09 -0700 (PDT) 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 dfw.source.kernel.org (Postfix) with ESMTPS id 6D84A641D5 for ; Thu, 1 Jun 2023 10:13:01 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 755DEC433D2; Thu, 1 Jun 2023 10:13:00 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1685614380; bh=2vV3KsFpQXnvxiJ5ad1PXdDVo19KEWr3yQEP67ZxQXs=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=C9INwCh3ER7jkaTap9xXykpN2RyPVLwQYeEva2vNkTL+lvng+AYI/pkM16HkKYe2n +mcGVAvkMaqqO8ACzeTRTSQ0MDLREtAZ8tVjQIAlK/+uahYNPgMw3OeZThWKa3W0F5 Lo4TxJrbwVRskWMhAUua34IpPTFdYWfKIJkEiSMcrVCLHhK7k/ugzZlKzxY/JmJpIg jtvPApGcyWmrvDtnBIXjzih8d05G4xQqjfHFRIpIFgbhZINb3wCSFE469kEcqjpFVn yizmBzt5D768PYr7VFyqsqRJ+tvy8z2ML5yOhvQRVEsUwsnEUmfpeAe7DM/3JM4TFI wj21+e/E7b0rQ== Date: Thu, 1 Jun 2023 12:12:57 +0200 From: Frederic Weisbecker To: Thomas Gleixner Cc: LKML , Anna-Maria Behnsen , Peter Zijlstra , Sebastian Siewior , syzbot+5c54bd3eb218bb595aa9@syzkaller.appspotmail.com, Dmitry Vyukov , Michael Kerrisk Subject: Re: [patch 08/20] posix-timers: Remove pointless irqsafe from hash_lock Message-ID: References: <20230425181827.219128101@linutronix.de> <20230425183313.249063953@linutronix.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20230425183313.249063953@linutronix.de> X-Spam-Status: No, score=-7.3 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_HI, SPF_HELO_NONE,SPF_PASS,T_SCC_BODY_TEXT_LINE 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 Tue, Apr 25, 2023 at 08:49:08PM +0200, Thomas Gleixner wrote: > All usage of hash_lock is in thread context. No point in using > spin_lock_irqsave()/irqrestore() for a single usage site. > > Signed-off-by: Thomas Gleixner Reviewed-by: Frederic Weisbecker