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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 203CFCE7A94 for ; Mon, 25 Sep 2023 13:33:19 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Date:To:From:Subject:Message-ID:Reply-To:Cc:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=MwWWYuzJNWwL3yngmKALGIr4TKKiy6ELI+6V66CVhm8=; b=QUxHZ8sp9rJRMy 27IMs+aEmZAZbJZoqeqYv6OPxp4IsvSo+sBFz2jPjL8A6otST4XI5HEUilt3OBUQAoI3mIiwZ9Y0H 0rKQKDpaM2lmF/HDCqPH8ZB6BNVh9VKxx8vEovKiRN4uWPvuvdraKnSdjcm666vjyQYlKDtFVJC58 ExUJToIk8MmbXeQZ6uIznVUPVYrEqG6nMsETTpD9IKRNYx69ZDdYZZMhcCIm2h/DkbYhVpCuFG6ge 3wydirPVe8qg+HQW6EltbJLgsy/vnn84Bx49JyfLRWrkuxD5u8CdzhPDD1ocURvwtmJkPkOubSU9W eEGnrYJi6IHYuerDMoqA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1qkliA-00ELXC-2f; Mon, 25 Sep 2023 13:33:18 +0000 Received: from s3.sipsolutions.net ([2a01:4f8:242:246e::2] helo=sipsolutions.net) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1qkli8-00ELVZ-3D for linux-um@lists.infradead.org; Mon, 25 Sep 2023 13:33:18 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=sipsolutions.net; s=mail; h=MIME-Version:Content-Transfer-Encoding: Content-Type:References:In-Reply-To:Date:To:From:Subject:Message-ID:Sender: Reply-To:Cc:Content-ID:Content-Description:Resent-Date:Resent-From:Resent-To: Resent-Cc:Resent-Message-ID; bh=QStXR2BXxCqgTO9BlskJ4WcscblJQQbAdcz1Ap5Zm04=; t=1695648794; x=1696858394; b=AOXppoAFPifRxGTU3NypufiXAbBTX/EDee1dSSmm0b2okod ro5UQUCcz2mZIWx1k+VDChhM0r3pFPGe92/CMzzJo/rmKGNLQmGknpUEfoUeOyLcona7ODJz+v70u b+KDWtfddRMiyZ3OYqhhge1juOxkEg4TZ6ghk+3Qm7/PjWcn9/xE49WcN92Y1L1JjVaVvOcPcY/I8 ZFD42HETv6JEWSJZpW4IlufYB0pxi/w0FMK3eoBRN3W6LkwjoG+Kjr7iWrV9uSY+b06GLZiaS5eox 5QEgWks7ULQBdAbpB7qMEnPDC1oG8pJawjIznF4WCd8oRIKS9Ej9as943VwfIIwA==; Received: by sipsolutions.net with esmtpsa (TLS1.3:ECDHE_X25519__RSA_PSS_RSAE_SHA256__AES_256_GCM:256) (Exim 4.96) (envelope-from ) id 1qkli4-003e7K-00; Mon, 25 Sep 2023 15:33:12 +0200 Message-ID: <4f79b781db6d5892c86e103733c7c30cda78afdf.camel@sipsolutions.net> Subject: Re: [RFC PATCH 0/3] um: clean up mm creation - another attempt From: Johannes Berg To: Anton Ivanov , linux-um@lists.infradead.org Date: Mon, 25 Sep 2023 15:33:11 +0200 In-Reply-To: References: <20230922223737.1206223-4-johannes@sipsolutions.net> User-Agent: Evolution 3.48.4 (3.48.4-1.fc38) MIME-Version: 1.0 X-malware-bazaar: not-scanned X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230925_063317_036931_D955AE2D X-CRM114-Status: UNSURE ( 7.77 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-um@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-um" Errors-To: linux-um-bounces+linux-um=archiver.kernel.org@lists.infradead.org On Mon, 2023-09-25 at 14:29 +0100, Anton Ivanov wrote: > I have rebased the preempt patch on top of these series. > > PREEMPT works with some performance decrease. > > VOLUNTARY deadlocks early in boot around the time it starts loading modules. > > non-preemptible deadlocks very early in boot. > Well I guess that means there's still some issue in here? Hmm. Now I don't understand anything anymore, I guess. johannes _______________________________________________ linux-um mailing list linux-um@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-um