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[209.85.167.45]) by smtp.gmail.com with ESMTPSA id m17sm672220lfb.9.2019.07.10.22.24.42 for (version=TLS1_3 cipher=AEAD-AES128-GCM-SHA256 bits=128/128); Wed, 10 Jul 2019 22:24:42 -0700 (PDT) Received: by mail-lf1-f45.google.com with SMTP id s19so3129266lfb.9 for ; Wed, 10 Jul 2019 22:24:42 -0700 (PDT) X-Received: by 2002:ac2:44c5:: with SMTP id d5mr749470lfm.134.1562822681814; Wed, 10 Jul 2019 22:24:41 -0700 (PDT) MIME-Version: 1.0 References: <20190708150042.11590-1-christian@brauner.io> In-Reply-To: <20190708150042.11590-1-christian@brauner.io> From: Linus Torvalds Date: Wed, 10 Jul 2019 22:24:26 -0700 X-Gmail-Original-Message-ID: Message-ID: Subject: Re: [GIT PULL] clone3 for v5.3 To: Christian Brauner Cc: Linux List Kernel Mailing 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, Jul 8, 2019 at 8:05 AM Christian Brauner wrote: > > /* Syscall number 435 */ > clone3() uses syscall number 435 and is coordinated with pidfd_open() which > uses syscall number 434. I'm not aware of any other syscall targeted for > 5.3 that has chosen the same number. You say that, and 434/435 would make sense, but that's not what the code I see in the pull request actually does. It seems to use syscall 436. I think it's because openat2() is looking to use 435, but I'm a bit nervous about the conflict between the code and your commentary.. Linus