Received: by 2002:ad5:474a:0:0:0:0:0 with SMTP id i10csp11042505imu; Thu, 6 Dec 2018 10:33:32 -0800 (PST) X-Google-Smtp-Source: AFSGD/UVzqpT9waitVTNX49VRIH+cx7h/2oePQVUJxEQ9Azh3fw+hrJpP/IHMDiEgeiOlIiQq+nU X-Received: by 2002:a62:9111:: with SMTP id l17mr29470046pfe.200.1544121212593; Thu, 06 Dec 2018 10:33:32 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1544121212; cv=none; d=google.com; s=arc-20160816; b=ofZM0NK2a78X+x4nsq85G842ScNiWAl9or9iep643V+Gh3/p+r5yOzt+UIQ6d49XIs I88dMrYFC8MzIBZIRKpAt+jHi5UsxhZh3cMA/UWggi81ly5382ldeBZ0+D2rBfrGnpPV /QVvXQxaqe4eNvTs9UdiFvzLPOnIAmFHuipvo1vAk7pxAlVptxYdVjtK12xf5HvO18aX JgoNTjPKgSkC/74qXJXVUwQb4sN2GIetcoYsEFhktIPy+sa+nc2DdEpWPyHzFZ87RoEJ rL2PlnzJOZkboJTWyeyAmgKLlywffKlW+fB61E5LQoOSP99tLSf+eNGIATN23ayxIfbc 7zsg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:cc:to:subject:message-id:date:from :in-reply-to:references:mime-version:dkim-signature; bh=K8zA2oFI7kLEza08UqU37PFOwA4GSQKRkAhhqMD2RU8=; b=kSeW5V0SzkPkSTCop8AgvP/8Wt95wCeTpb5zEHGVUaXGA1RCKT+mMMDSCD+capJ9vq 0pAH/uBxa276wlQ1hRKTwqIvg5oIzRYry041qPhPRRaWtq/eUbm7sFNSDtxIm3bx2A6B EhWeSRqjoBWe2NqiBLBFGD78IEGidGdKQKYovxv6IlZ18yov/9VecIy+FLfXd6vjdDHM QLUKoWVBrX514aiqQBpJCsJheXB7WccgeaDVr7u3mk/dayBdixcndGpNfd1ygpSnrW17 f51n8dRNaZdyQhB1rc8UYY7pbpSd++ELR4T/N8Z2VXnCe1HahlQHvZ3ND1aSDU1dULgT 3ojg== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@chromium.org header.s=google header.b=Tiu7Oz8W; 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; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=chromium.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id c32si830706plj.38.2018.12.06.10.33.14; Thu, 06 Dec 2018 10:33:32 -0800 (PST) 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; dkim=pass header.i=@chromium.org header.s=google header.b=Tiu7Oz8W; 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; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=chromium.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726125AbeLFSa7 (ORCPT + 99 others); Thu, 6 Dec 2018 13:30:59 -0500 Received: from mail-yb1-f196.google.com ([209.85.219.196]:45892 "EHLO mail-yb1-f196.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726109AbeLFSa5 (ORCPT ); Thu, 6 Dec 2018 13:30:57 -0500 Received: by mail-yb1-f196.google.com with SMTP id f6-v6so1185893ybg.12 for ; Thu, 06 Dec 2018 10:30:56 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=chromium.org; s=google; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=K8zA2oFI7kLEza08UqU37PFOwA4GSQKRkAhhqMD2RU8=; b=Tiu7Oz8WuLTy4ErPQAZXUhh0/MrgcL011iqNypxW1vAoeVa2t1HoCwDZqS1U7jLQh/ E0k0R1LK048tLwtgUbAMAyXxlUVB18nuMqD+gdwcx0N9WxWm3Q8AU3BYovKjnYk+kJDK Zewoovj2wE6S3zcJZIaXQl8lHGy3KM2D+wLvA= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=K8zA2oFI7kLEza08UqU37PFOwA4GSQKRkAhhqMD2RU8=; b=NlnrK8gsLpaOfOu53Kt29FyRBORkKxFoXusdIUHIzZSRm+lV7QbvIfGLGkqP2ybD9I La8u4vg4t02ArogxQajp6ogXazrWJAT4icltSW+w4o/73NZtezxHE9XZGpYTEwYi0rTq DLZizMk2JzFZr2MpIBUEvia9UyTU7ysNSX7iP6LTsDHNlSpJD4WSTrsPxCpIC1jrTfib Srn8ZpwTQCFSQzdZpoBdhVGGUYIIFJ6QweYu8mDGB7WA0u9a+yL7tgvwjNaeQPo6A4J2 1v+Zn/lw6qj5j6SwsmWhcP+EFKHfVYKnO6U3c4OUFzyXA2G3XmgMKP1Rw0VDGBaAmdwP oYvw== X-Gm-Message-State: AA+aEWaeg5/WLGHEe4bUyPP8xw/YDE1RvQUKYXhXiLPCG+MdlPxb4/RY DuWO+6tdfloYb+M2T+/wSL3zLX01kkw= X-Received: by 2002:a81:39c4:: with SMTP id g187mr30461702ywa.468.1544121055924; Thu, 06 Dec 2018 10:30:55 -0800 (PST) Received: from mail-yb1-f177.google.com (mail-yb1-f177.google.com. [209.85.219.177]) by smtp.gmail.com with ESMTPSA id m126sm253520ywd.39.2018.12.06.10.30.52 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Thu, 06 Dec 2018 10:30:52 -0800 (PST) Received: by mail-yb1-f177.google.com with SMTP id t18-v6so255351ybc.1 for ; Thu, 06 Dec 2018 10:30:52 -0800 (PST) X-Received: by 2002:a81:2890:: with SMTP id o138mr30677976ywo.168.1544121051760; Thu, 06 Dec 2018 10:30:51 -0800 (PST) MIME-Version: 1.0 References: <20181206121858.12215-1-christian@brauner.io> <87sgzahf7k.fsf@xmission.com> <878t12efg3.fsf@xmission.com> <20181206174129.taakmwekysbkaosu@brauner.io> In-Reply-To: <20181206174129.taakmwekysbkaosu@brauner.io> From: Kees Cook Date: Thu, 6 Dec 2018 10:30:40 -0800 X-Gmail-Original-Message-ID: Message-ID: Subject: Re: [PATCH v4] signal: add taskfd_send_signal() syscall To: Christian Brauner Cc: "Eric W. Biederman" , Daniel Colascione , LKML , Linux API , Andy Lutomirski , Arnd Bergmann , "Serge E. Hallyn" , Jann Horn , Andrew Morton , Oleg Nesterov , Aleksa Sarai , Al Viro , "linux-fsdevel@vger.kernel.org" , Tim Murray , linux-man , Florian Weimer , Thomas Gleixner , X86 ML Content-Type: text/plain; charset="UTF-8" Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Dec 6, 2018 at 9:41 AM Christian Brauner wrote: > I feel changing the name around by a single persons preferences is not > really a nice thing to do community-wise. So I'd like to hear other > people chime in first before I make that change. I don't think the name is hugely critical (but it's always the hardest to settle on). My preference order would be: taskfd_send_signal() pidfd_send_signal() procfd_send_signal() fd_send_signal() But, agreed, I think fdkill() should not be used. -- Kees Cook