From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-wm1-f43.google.com (mail-wm1-f43.google.com [209.85.128.43]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id E6596259C80 for ; Wed, 6 May 2026 21:17:44 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.128.43 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1778102266; cv=none; b=Z2H4lIEr/JHWHnE59sT/MgZ8iOOdheKxZb3u6oxJMiPRHmG3wOCyObndWT7NILR6fo6kJ4uCcPt4cJC0yl4oRcUFAkmg9mEPzibeLU3i4WzzuUCLhevKKkp6c4q0djTpaGGfqVKE4+6Qm3mI7IBOVbaYtI0QKGGYxiAbJ7fBBcI= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1778102266; c=relaxed/simple; bh=qct9180ue/H0QODWWGitx8QQGo9oBwuKWknYkPEnMTk=; h=Date:From:To:Cc:Subject:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=mweqMt8DjoxzzS1rlP1kLLT5qXpGLJ6CclSFZEWx1Jr5dYnns8Sp2ruPvCGNl04xtwR6dxJCxgOJM9t9jrwluz3mzqsErhAZjmPxQeMedlMdn+X39mAdMBwTH2F4d9deKIfL3U+JgY9Ie/BKK+C1giVRfdbfZttIFKtalr+rM1c= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com; spf=pass smtp.mailfrom=gmail.com; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b=Vu3xUGL/; arc=none smtp.client-ip=209.85.128.43 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="Vu3xUGL/" Received: by mail-wm1-f43.google.com with SMTP id 5b1f17b1804b1-48909558b3aso1567035e9.0 for ; Wed, 06 May 2026 14:17:44 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20251104; t=1778102263; x=1778707063; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:subject:cc:to:from:date:from:to:cc:subject:date :message-id:reply-to; bh=qct9180ue/H0QODWWGitx8QQGo9oBwuKWknYkPEnMTk=; b=Vu3xUGL/zj8PGSEu+ykyOhSSEBJ1ab+jICL8MpBMrSDWEIelgogW3PDAd5QjgRnEd5 AxBNgS+SZoO18GscLQ9Su7VcPYGwNT5V5VJ1wzlOqjipxDJRnDJh6HWDnhNQFG6KJtQy 3Z5k1oOMgvNxxhUZ2GzFgb/2QYNwGaCNWzIHtsCmRp5XuMw7/G5LdojIPUqaDsWStGHo IX9larYeKr7CaBZ9yW+CHEdF0hOOhNBKMMVGB5tZ0LM7An7Pwt/0J9f15pypDn83n45Z SkrOHxspB31T5rTcGoJSMDnaTNwfzZVHHU+zpCMbHjDmJXfcdRSom9z8qGwFMxJeXy7P vIxg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1778102263; x=1778707063; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:subject:cc:to:from:date:x-gm-gg:x-gm-message-state:from :to:cc:subject:date:message-id:reply-to; bh=qct9180ue/H0QODWWGitx8QQGo9oBwuKWknYkPEnMTk=; b=UWzgbJjyYOSQwwDd+jEovAohcWo+/LRxXwlMDJ05cTi9vCQyf3iFBXsq0r45syWwV5 6kHFxRSayl1aSt7PlVs0ya7AcI4p4XhsJqsCPAekCFmxLE7++wOpSI83me45Jt7fLNzA KWj4Yse5X/+4TF2cqxhEcUtm/OOD1oR+ybx9RB7sS+MgqqpEoDa4G+pcL7XugYALIwAB xiVtW/TpfxmnC+SntNwuzuZFzdg1cUGKpUcxMI/y92pHO7LQBz3twpE7cMMZu6sFJcG4 6GyDo8OMDojjFRnRD2ae7tO1mULhAbC0KXqZl9kEkRNdzEXZNXSvVgW1oH7elgOZAzLO Tb6A== X-Forwarded-Encrypted: i=1; AFNElJ/9MEOOvnEjx5j3sLKqKvvMLbb061zvIHgMItA/utDZUY8QjKY2eqO1ywErjarGAyuFhrs=@vger.kernel.org X-Gm-Message-State: AOJu0YxUz070anEkQOFRq9w287AHFhdJDykixbSl8u0wLRNEk566/Sld KGwyrR0aGIK1B8i0SgHhb9bgAfW2nRum4r/4GsY/ILsjwC9cpeIx572r X-Gm-Gg: AeBDiesqmhLNK3gQQ3RmxIgWRKuETfpupudniflqiHuu1zNNrnQ6HxHM5opWNqQd8xK gTlCNAMAfrMH0o++x7P7akoheu3yh8UQYa3lhKHxQTd5qDpf2sMJ2R8nXfH9ae+HFi/VY183dzo zA4zzbnv0CLULiOfDUBNdwDaQZ8jSqb2St7w9ef6bCuFW1/XGbhXOw8JfU9PEqdoylCFy1e/UiA ailtt/JgvS1b2DfFVBJ6ddDI9bLJaT6gzK7tbeOSi9VYfJJzIW1R1hfOtUXqGj2VMc2SW9yfC6h qkZ6X7WFd7Iy7UxGps0G5p6uu3vyY5zQaHd525OWRWmZcvXdlAyQpEADKOFHF/qxuB6v3/C/UnH 1L9N+w99ychBpLBrvmS5e4cZWGxMLZMIZ0IjNQq1jucHGZ/l3uKHGxDlcwiYZDbtHq4ZckJAf4B uECh5AXXQPwCPindD98NXCrya0jF0pIDLEwwnxRyNlrUqKMcP1eXAUrGFXB/rCDwAbFrYBWlk= X-Received: by 2002:a05:600c:696:b0:489:1c1f:35df with SMTP id 5b1f17b1804b1-48e51e215a4mr45435345e9.10.1778102263311; Wed, 06 May 2026 14:17:43 -0700 (PDT) Received: from pumpkin (82-69-66-36.dsl.in-addr.zen.co.uk. [82.69.66.36]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-48e530c3a18sm24141125e9.11.2026.05.06.14.17.42 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 06 May 2026 14:17:43 -0700 (PDT) Date: Wed, 6 May 2026 22:17:41 +0100 From: David Laight To: Jens Remus Cc: Steven Rostedt , Josh Poimboeuf , Dave Hansen , "H. Peter Anvin" , linux-kernel@vger.kernel.org, linux-trace-kernel@vger.kernel.org, x86@kernel.org, bpf@vger.kernel.org, linux-mm@kvack.org, Namhyung Kim , Andrii Nakryiko , "Jose E. Marchesi" , Beau Belgrave , Florian Weimer , "Carlos O'Donell" , Masami Hiramatsu , Jiri Olsa , Arnaldo Carvalho de Melo , Andrew Morton , David Hildenbrand , Lorenzo Stoakes , "Liam R. Howlett" , Vlastimil Babka , Mike Rapoport , Suren Baghdasaryan , Michal Hocko , Heiko Carstens , Vasily Gorbik , Ilya Leoshkevich , "Steven Rostedt (Google)" , Indu Bhagat , Peter Zijlstra , Dylan Hatch , Thomas Gleixner , Ingo Molnar , Borislav Petkov , Mathieu Desnoyers , Kees Cook , Sam James Subject: Re: [PATCH v14 04/19] x86/uaccess: Add unsafe_copy_from_user() implementation Message-ID: <20260506221741.44693d87@pumpkin> In-Reply-To: <20260506221358.55ba5187@pumpkin> References: <20260505121718.3572346-1-jremus@linux.ibm.com> <20260505121718.3572346-5-jremus@linux.ibm.com> <9f85f092-c376-4350-9a12-479d7b70399a@linux.ibm.com> <20260506221358.55ba5187@pumpkin> X-Mailer: Claws Mail 4.1.1 (GTK 3.24.38; arm-unknown-linux-gnueabihf) Precedence: bulk X-Mailing-List: bpf@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit On Wed, 6 May 2026 22:13:58 +0100 David Laight wrote: ... > Try compiling it :-) Ignore me...