Received: by 2002:a25:6193:0:0:0:0:0 with SMTP id v141csp807802ybb; Fri, 3 Apr 2020 12:11:28 -0700 (PDT) X-Google-Smtp-Source: APiQypKqg/4xKh+9ub1igQ3j4X180NDsqah7ScXpGdtomZq/XPxvJfhKZuxbIvMYAr+fDLMsDt/L X-Received: by 2002:aca:474e:: with SMTP id u75mr4233027oia.52.1585941088031; Fri, 03 Apr 2020 12:11:28 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1585941088; cv=none; d=google.com; s=arc-20160816; b=b0NxJB1qt9D0Qyqw4u8Q8XtXmXdUef+758qNdZ1Solh6l9zYacUQvtK5k/k8l3Ccuz qLmRab9dRRMBjtrXivwCHsofu9rxOKYFdMIXRbcrDigufSDS3ts9Qc/9KUB9igMruDTG GJKQnUHOyaXSunrbGKKHutqZWL5f4/rAdI+S6WDa/iKM5aZOQog9GZXePqxEXctrJoSP eCYvT6KlKsdn71+mKPQJsv2eAmF+cbO0gOKQWeLTjLKLSMha1t2Dx6gXnR6Apht0//Tf NjoOyARCuKzILREb8GLuBkMrvswOuYNEIKu0dMGYMGII+wL7pMkNsfsm6o2fLOfFt1vz Yp4w== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:mime-version:message-id:date:references :in-reply-to:subject:cc:to:from; bh=QmmqRPkn/BzRw/s3YtZMKDvVh7pM/CXzxjg4VXVIRSQ=; b=kRkX3aboOuWhCBJdyRJBpb73GU52mJ2RX9H/n/eP90HI37bp/OKFzs6+J3J9OLI9tl p87DxVArT7DVjwgj1xmjzu27ECK0xmP8X5/6L1oSgX2NPwXgafIM6lVZPjOv8pI4VGf/ lqPulTBQ0oqmGeDUehdVKlsXTlLQN1sx3ZXIHfXvhtLj63yCGtNPPYqANcsbliG26LlE jTY9uEiZ8reOlUxVByzlM5XwRxplDmlK2W/EOpZShtkur82n6BIFJ0Cadjsl2vLo6weM vQqAgv+rfOvLJ+82YvAbYt6wUb/L8wzAZTtjBdwbxC5QrsOcCmd4N19ZT8ubt+AbrZcd 7zeg== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id x22si4038735oic.145.2020.04.03.12.11.13; Fri, 03 Apr 2020 12:11:28 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728521AbgDCTJ7 (ORCPT + 99 others); Fri, 3 Apr 2020 15:09:59 -0400 Received: from Galois.linutronix.de ([193.142.43.55]:40879 "EHLO Galois.linutronix.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728288AbgDCTJ6 (ORCPT ); Fri, 3 Apr 2020 15:09:58 -0400 Received: from p5de0bf0b.dip0.t-ipconnect.de ([93.224.191.11] helo=nanos.tec.linutronix.de) by Galois.linutronix.de with esmtpsa (TLS1.2:DHE_RSA_AES_256_CBC_SHA256:256) (Exim 4.80) (envelope-from ) id 1jKRhR-0002rX-6z; Fri, 03 Apr 2020 21:09:53 +0200 Received: by nanos.tec.linutronix.de (Postfix, from userid 1000) id 9FA9C103A01; Fri, 3 Apr 2020 21:09:52 +0200 (CEST) From: Thomas Gleixner To: Christoph Hellwig , Daniel Borkmann Cc: Alexei Starovoitov , Linus Torvalds , Masami Hiramatsu , x86@kernel.org, linux-kernel@vger.kernel.org Subject: Re: Question on "uaccess: Add strict non-pagefault kernel-space read function" In-Reply-To: <87lfncl76i.fsf@nanos.tec.linutronix.de> References: <20200403133533.GA3424@infradead.org> <87lfncl76i.fsf@nanos.tec.linutronix.de> Date: Fri, 03 Apr 2020 21:09:52 +0200 Message-ID: <87imigl727.fsf@nanos.tec.linutronix.de> MIME-Version: 1.0 Content-Type: text/plain X-Linutronix-Spam-Score: -1.0 X-Linutronix-Spam-Level: - X-Linutronix-Spam-Status: No , -1.0 points, 5.0 required, ALL_TRUSTED=-1,SHORTCIRCUIT=-0.0001 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Thomas Gleixner writes: > Christoph Hellwig writes: >> I just stumbled over your above commit, and it really confuses me. > > Where is that commit? Nevermind.