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 2D588C76195 for ; Fri, 24 Mar 2023 04:33:12 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230456AbjCXEdL (ORCPT ); Fri, 24 Mar 2023 00:33:11 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:53202 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229499AbjCXEdI (ORCPT ); Fri, 24 Mar 2023 00:33:08 -0400 Received: from mout.gmx.net (mout.gmx.net [212.227.17.22]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id F0AA328236; Thu, 23 Mar 2023 21:33:06 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=gmx.de; s=s31663417; t=1679632370; i=efault@gmx.de; bh=s62ipTxFk/ZZQc6RjTGcI/o+EXwklTwQu5a2mqXeOfk=; h=X-UI-Sender-Class:Subject:From:To:Cc:Date:In-Reply-To:References; b=h2HJpbSJI1uZY7AT3aoSxJH7fTN8ZanDumIlGtbSM6uZofhaDMF/Pk6zVz3tC21lL B3B7YBU+JILY6Ga0ljLK5MddXroEfF89/1V604wLtAWgUEI5EhL/NFZmdISpMLFYO9 3xBlbUvIs3cOkEJ3XHF702+v9z906BVz+4VhD+9uu1jGEFt73UMfEftO5lGIX8YzPF 1O+72nZWcL2+BeBy8lnNDbJGE87cLyht1S/EvIhNYZxTUuNaEzM2leZn6+B/CTGjS4 qejdKZiKF2I7ravVGAs3g6triKCxtvoohRS0MED64SEOqW6Q0J4tPXS3OQwYrjoTc4 XStXpdG1aEsGw== X-UI-Sender-Class: 724b4f7f-cbec-4199-ad4e-598c01a50d3a Received: from homer.fritz.box ([185.191.216.185]) by mail.gmx.net (mrgmx105 [212.227.17.168]) with ESMTPSA (Nemesis) id 1N7iCg-1qbUu026za-014nAB; Fri, 24 Mar 2023 05:32:50 +0100 Message-ID: Subject: Re: [PATCH] zram: Replace bit spinlocks with spinlock_t for PREEMPT_RT. From: Mike Galbraith To: Sergey Senozhatsky , Sebastian Andrzej Siewior Cc: linux-kernel@vger.kernel.org, linux-block@vger.kernel.org, Jens Axboe , Minchan Kim , Thomas Gleixner Date: Fri, 24 Mar 2023 05:32:49 +0100 In-Reply-To: <20230324040750.GE3271889@google.com> References: <20230323161830.jFbWCosd@linutronix.de> <20230324040750.GE3271889@google.com> Content-Type: text/plain; charset="UTF-8" User-Agent: Evolution 3.42.4 MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Provags-ID: V03:K1:L9A+GUxMdTHolQU8gpnn7tz6hTj0+abhDDF3oYvBKDfG5kaRmLO wEuGjeLHbKBJM6WSOOuJ4lqlnbzmA9UxnAnofbxQogYwII7YdQ6wrq5E+jBuWCBK0MNtn5d 1PCF2Kfcigxk5PnEcVKxBAjQN435SgMvI2U1n4bdixtGrJi/WU9SxHbirSucI2Il06pGNyH LkgP+SrjInHKRW0MH4J7Q== UI-OutboundReport: notjunk:1;M01:P0:dWl9TWImTj0=;li7vaI+rE2Iu1du5Ae1oUQQq9uN X0F/AXoD9QTSkr1LOHZmGiCVgwHMjc+jTUT1JkDR8CI6697eqtLqT2P7bIa4xgufe6VSfZlT+ ezOiI34S7gqt0j1nA+q+uKTlpi/hT1MmFSiIiw2CUHatqxUeguQr4QLk82Pef5arTMbBq+I12 hEC2SidY4OD451dkdl1haWxsLbsavyjf3CPJmUADrJFkfa7ZEW6drjOlNjqan9LbEZXPSLVg7 u7YsdANvdIbVoo3n9EmdHmkF7KtZ4lNS9Tx78xY2RJwIIKMC92HpOkO91upAnoT7zfxj9DKVf 15cDf6tNNtrpZg3m/JN6F2ImP50lyzsXCYeUcI2864zp0E5/qFK82Lr2tSHp16mM781x9QlsJ MA0e0/LeSERfl4X4qbTVSWGLLjTwi024iopGDIhxb6gjx2LGCMe9D+50CsDllt4wOFz23TCvT S0tUE5Pk4wBgoiKAhZb0v/tLA6t+aay3oUgCryv7l9O3GTY3meT6hfjk9yAElTgpu5ozCmuKN HEdl1PIbrMq/7GO17VIoRxKO6Q0oxrMKRWvqMbM24S7lhr1MhUKdnlTXzyouF19RwemK4zT88 7ijO5CeeJSRnrkI+k44ACjouXLwJCQAhgE9xh65xblX7qFqYmsRtJdRXsB1I0Tyv0R/F7hmq/ Pu1tIM7FLLrJlb1B+KSXqGyaAy+BstGalHUkH+4zKtFCnlus8uo0yvm0STF7cy3i/90nCj7mA /BEGomfRNRrE5r3YdzzYjDM1/r8jjKF4jeK/yN5dcbVbdykGChoTzxazp14Y7J4AsXvaA+wfF ypj6ZksSXn1So21ezhmkEdtOzXVNUpCZnrFj3/W5Ly0u+/fKcOILy7NJSAzZYoithOxS/NrUn MTc4xn2+gmem12tgTGVdO3rxGQwNkNBNxnQZXcrRw0B6ZzgGOK30v2/NWMd8Dhxf9wd0gkDS1 TJ0dNYRi+gKTEb7j5808T4ZtIRI= Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, 2023-03-24 at 13:07 +0900, Sergey Senozhatsky wrote: > On (23/03/23 17:18), Sebastian Andrzej Siewior wrote: > > Mike most likely stumbled upon it while running LTP. > > Yeah, I'm curious if anyone uses zram in preempt-rt systems. I don't > mind this patch but would be nice to add new code when it solves some > real problems. Maybe `depend on !PREEMPT_RT` can be a better option. Patchlet's job here is only obese config RT vs !RT testing. It can always move back into local_patches, it won't be lonely ;-) -Mike