Received: by 2002:a05:6a10:16a7:0:0:0:0 with SMTP id gp39csp413228pxb; Thu, 19 Nov 2020 04:42:14 -0800 (PST) X-Google-Smtp-Source: ABdhPJx0FfdhLrPcnokGnChk0RceB88RszAYehudT1nhZO337VhX3w1Kik6omPmiq5PLYPKw/yth X-Received: by 2002:a17:906:e24d:: with SMTP id gq13mr11796271ejb.262.1605789734595; Thu, 19 Nov 2020 04:42:14 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1605789734; cv=none; d=google.com; s=arc-20160816; b=mXjW/Q/mM9mDJ5LNaLTiGu9lREWcgaeeKmNYaWH8I44yK6s54vweHypcnfVi/DJzGN gyNNR1Ekkfn3dfU7YUrfYwFcUL2zqaP1aunO6ilHD/MmY+JPTXVaiDjkusNFc3Fg8uY3 bcALFPvlDqCr0XUrfIgKZLES43XCqTVr10gnxZWtUoDggSiIFLShCgZhO6WKLhBOO4ul ydf8hFRmSQcvu9kI140RgVGbpL/2fk/aJvZYb8rqzXf8Df2TZGhNVj7pWscXl/3cs5pX nu2Wk1lTVkEcE/25I36HM9tk/aThc8XzWufxEN0nvBwqBNiQ7jqUIIq5nJhTqopCo64e rriQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:in-reply-to:content-disposition:mime-version :references:message-id:subject:cc:to:from:date:dkim-signature; bh=EXnB16mLl4Y+IqQmV0xsRFSOkOPyaDc6osJseO3iLTI=; b=Fslj4Z/IlG4P6LwF28o7dQPtQ4w63jj0ErEouK9KBc57zDjghgmmhFiIaAbu+AVnGp YFyQIY1Plg1vg76x12GrxHh9O2SPvAOLgJIIJCBv7xcQRs9J3ZY5+X9muWVZUWP3iOPB lLEfMK5hLyXvIK0cax25DQLUGki+FnrTfh1lB3h4XFKOQLmCIo6yuXW/putkperwF3Yo yY7+X5wvl+tODXHsYwUY8NfWoEQiE+hak+UBUNiWu2DCo+gK7qKKFrxOHDzd9BnzZ8l+ YiMBmKqOTJ/kYazZ815A+JYx3gu7XgvN7CQsSbdKDIIozKAx58s7BzPQqjxwZEqCq6iy 9KMA== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@infradead.org header.s=casper.20170209 header.b=drrbmnTR; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id a15si8886402edr.228.2020.11.19.04.41.52; Thu, 19 Nov 2020 04:42:14 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; dkim=pass header.i=@infradead.org header.s=casper.20170209 header.b=drrbmnTR; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727292AbgKSMic (ORCPT + 99 others); Thu, 19 Nov 2020 07:38:32 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:46650 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727096AbgKSMib (ORCPT ); Thu, 19 Nov 2020 07:38:31 -0500 Received: from casper.infradead.org (casper.infradead.org [IPv6:2001:8b0:10b:1236::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id EC88AC0613CF; Thu, 19 Nov 2020 04:38:31 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=casper.20170209; h=In-Reply-To:Content-Type:MIME-Version: References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description; bh=EXnB16mLl4Y+IqQmV0xsRFSOkOPyaDc6osJseO3iLTI=; b=drrbmnTRqep/Do0FL85M9Uvcah ThoUFK+/hVu6fq5mx7QmjXlr/llb5xABXDrf+Ch1e4pFCS+wBPGr+JhT5o0a/7cnltGgyez8wmMfS yhh5G2fj/TTBExpJUgIDpU3Gkjg3XdS/ogMjpERgHx1tmrhCCCs2Al2hsFrRsdr8bMq7l2AWysDds q4aaZ3EggGAR2St1Mukeq47OXdk0Kxb0id0GnZ2Rw6baevqicgqnFkpf1zTRzrjxrNwc2hLkW8WaA afj9p4GZVPoQpJQbx8nvbW4ypTlILNsinOPaZjlhsVt0wmo27g35kCmLNiltfPa7xfLMbwJx6ByDW rHmWa6MQ==; Received: from j217100.upc-j.chello.nl ([24.132.217.100] helo=noisy.programming.kicks-ass.net) by casper.infradead.org with esmtpsa (Exim 4.92.3 #3 (Red Hat Linux)) id 1kfjCm-0001BQ-NF; Thu, 19 Nov 2020 12:38:29 +0000 Received: from hirez.programming.kicks-ass.net (hirez.programming.kicks-ass.net [192.168.1.225]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by noisy.programming.kicks-ass.net (Postfix) with ESMTPS id 17F8C3019CE; Thu, 19 Nov 2020 13:38:28 +0100 (CET) Received: by hirez.programming.kicks-ass.net (Postfix, from userid 1000) id 035712C12590E; Thu, 19 Nov 2020 13:38:27 +0100 (CET) Date: Thu, 19 Nov 2020 13:38:27 +0100 From: Peter Zijlstra To: Gabriel Krisman Bertazi Cc: luto@kernel.org, tglx@linutronix.de, keescook@chromium.org, christian.brauner@ubuntu.com, willy@infradead.org, shuah@kernel.org, linux-kernel@vger.kernel.org, linux-api@vger.kernel.org, linux-kselftest@vger.kernel.org, x86@kernel.org, gofmanp@gmail.com, kernel@collabora.com Subject: Re: [PATCH v7 0/7] Syscall User Dispatch Message-ID: <20201119123827.GL3121392@hirez.programming.kicks-ass.net> References: <20201118032840.3429268-1-krisman@collabora.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20201118032840.3429268-1-krisman@collabora.com> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Nov 17, 2020 at 10:28:33PM -0500, Gabriel Krisman Bertazi wrote: > Gabriel Krisman Bertazi (7): > x86: vdso: Expose sigreturn address on vdso to the kernel > signal: Expose SYS_USER_DISPATCH si_code type > kernel: Implement selective syscall userspace redirection > entry: Support Syscall User Dispatch on common syscall entry > selftests: Add kselftest for syscall user dispatch > selftests: Add benchmark for syscall user dispatch > docs: Document Syscall User Dispatch Aside from the one little nit this looks good to me. Acked-by: Peter Zijlstra (Intel)