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[209.85.167.43]) by smtp.gmail.com with ESMTPSA id h21sm3031615ljf.16.2019.04.29.13.21.23 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Mon, 29 Apr 2019 13:21:23 -0700 (PDT) Received: by mail-lf1-f43.google.com with SMTP id w23so8892812lfc.9 for ; Mon, 29 Apr 2019 13:21:23 -0700 (PDT) X-Received: by 2002:ac2:4567:: with SMTP id k7mr34223361lfm.166.1556569282855; Mon, 29 Apr 2019 13:21:22 -0700 (PDT) MIME-Version: 1.0 References: <20190414201436.19502-1-christian@brauner.io> <20190415195911.z7b7miwsj67ha54y@yavin> <20190420071406.GA22257@ip-172-31-15-78> In-Reply-To: From: Linus Torvalds Date: Mon, 29 Apr 2019 13:21:06 -0700 X-Gmail-Original-Message-ID: Message-ID: Subject: Re: RFC: on adding new CLONE_* flags [WAS Re: [PATCH 0/4] clone: add CLONE_PIDFD] To: Jann Horn Cc: Kevin Easton , Andy Lutomirski , Christian Brauner , Aleksa Sarai , "Enrico Weigelt, metux IT consult" , Al Viro , David Howells , Linux API , LKML , "Serge E. Hallyn" , Arnd Bergmann , "Eric W. Biederman" , Kees Cook , Thomas Gleixner , Michael Kerrisk , Andrew Morton , Oleg Nesterov , Joel Fernandes , Daniel Colascione 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 Mon, Apr 29, 2019 at 12:55 PM Jann Horn wrote: > > ... I guess that already has a name, and it's called vfork(). (Well, > except that the Linux vfork() isn't a real vfork().) What? Linux vfork() is very much a real vfork(). What do you mean? Linus