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 50BA7C4345F for ; Mon, 22 Apr 2024 02:35:59 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: Content-Type:In-Reply-To:From:References:Cc:To:Subject:MIME-Version:Date: Message-ID:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=lUVfmPNzghB31xCKQJm1CnKV3Pw3sruHDpz+wZRxOhg=; b=Rf/CPJX/v+Djlz2ckVe5vnHXDn MtVAHzvkingGHlnlHEtt2DUYXh1WdL1tHfI6AqXSLV98J28PSdon3xczKRqn1GAFNEObEo6r0m1dO 8OZaJPIhDqCwtwS8NznkHX/frZLoX5tTWNqco6V5Jc4pDqNihpaHbswAtbCV24bex34A3BPhwNulY 2s7hzd85us/fmsIU+Ux4B63d7XBPDf3hD+8yZVWUUBI6YOgH3QfIUNxqT+66Dbyf4RUZN5VSawKcS odTebw4FP9sLGg7aSJQhCOZg5XM6hJKCH8hD6XDUXIe1z1axPBVYvV1/hiV/guWT8U9/f2a7staEl JmKzvcng==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.97.1 #2 (Red Hat Linux)) id 1ryjXB-0000000BmBR-0NQl; Mon, 22 Apr 2024 02:35:57 +0000 Received: from out0-197.mail.aliyun.com ([140.205.0.197]) by bombadil.infradead.org with esmtps (Exim 4.97.1 #2 (Red Hat Linux)) id 1ryjX6-0000000Bm9z-3uUy for linux-um@lists.infradead.org; Mon, 22 Apr 2024 02:35:55 +0000 X-Alimail-AntiSpam: AC=PASS;BC=-1|-1;BR=01201311R141e4;CH=green;DM=||false|;DS=||;FP=0|-1|-1|-1|0|-1|-1|-1;HT=ay29a033018047192;MF=tiwei.btw@antgroup.com;NM=1;PH=DS;RN=3;SR=0;TI=SMTPD_---.XICFcii_1713753336; Received: from 30.230.85.101(mailfrom:tiwei.btw@antgroup.com fp:SMTPD_---.XICFcii_1713753336) by smtp.aliyun-inc.com; Mon, 22 Apr 2024 10:35:43 +0800 Message-ID: Date: Mon, 22 Apr 2024 10:35:35 +0800 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 00/12] Rework stub syscall and page table handling To: benjamin@sipsolutions.net, linux-um@lists.infradead.org Cc: Benjamin Berg References: <20240418092327.860135-1-benjamin@sipsolutions.net> Content-Language: en-US From: "Tiwei Bie" In-Reply-To: <20240418092327.860135-1-benjamin@sipsolutions.net> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240421_193553_335964_CB2CC1E8 X-CRM114-Status: UNSURE ( 4.21 ) 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: , Sender: "linux-um" Errors-To: linux-um-bounces+linux-um=archiver.kernel.org@lists.infradead.org Hello Benjamin, On 4/18/24 5:23 PM, benjamin@sipsolutions.net wrote: > From: Benjamin Berg > > This patchset reworks the stub syscall handling and also redos how page > table updates are tracked and synchronized. Some of this originated in > the SECCOMP patchset, but it became clear that these refactorings make > sense independently as they result in a considerably fewer page faults. I saw your SECCOMP patchset. It's pretty cool! Just wondering if you're about to post a new version soon. :) PS. Just FYI, gVisor also implemented a SECCOMP based platform which is also very interesting: https://gvisor.dev/blog/2023/04/28/systrap-release/ https://github.com/google/gvisor/tree/master/pkg/sentry/platform/systrap Regards, Tiwei