Received: by 2002:ad5:474a:0:0:0:0:0 with SMTP id i10csp3237906imu; Thu, 29 Nov 2018 18:41:20 -0800 (PST) X-Google-Smtp-Source: AFSGD/WRvLkWSc3X1mpxZis1QBBGJL+poy3biTC26wTNMiVzannMm2YrC+wyIQPIPYC3weHJl3ls X-Received: by 2002:a63:e001:: with SMTP id e1mr3380694pgh.39.1543545680042; Thu, 29 Nov 2018 18:41:20 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1543545680; cv=none; d=google.com; s=arc-20160816; b=BwRhVIbxiYrbXaxSdZP30MqoW7U6IPOpp/Vj+Ub9LAnIIKAsk0qy7nxa5sCCOLNWdF pEORTeNiGo6YC2nvCLTsuK1bB5mfexq9tK1r1bsYlEJmXJFSm6kJsW4tdAQ8Ltxd4h4/ Rf70RWLhDl5dNHkcIGK1LboRmhCXnTCK0pK1/SPrFXg7JcQqVjiZQRFHrrQQyvQIeGJq OAoJEZliTbKhiL2tUl2o6x5fzB7H8jjaXidYh580aE84tkX3ZuurtTkClhb2KwDbWiLb CcL2pd6ydBFtba7tNhJDx2sGXuUsSLdiZzyLDhnkjTkTfdSOYMxHloezUPZsJ6YMcUZj knMQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:in-reply-to:content-disposition :mime-version:references:message-id:subject:cc:to:from:date; bh=aeYXSzw0XdrpdPeFK/mlV1fRJVDCiX5sE8NF66p8J9c=; b=Nm3tkGn4thexCxZFX712Cc2D2iL1dTbZYZVDEVLGrFu0yDiBYY3FPN6we4fy5DftEn uEZ36JxwOpwYhPen0dtHqoJQd6xKygiO0YYqdjxth6xGPN6837srjyVwg82knzA8APUg +uW5H9oN2bSLMM/gIHlN6dKzX+I8l6kIZeTxTtEmSJDq9FzeIlT2qWKdX+M2bvJSYDn5 /NyqSIB7wX05AI6JKHbUjCzR7rfq26rxSACT3SEJzJF0R9zM1gqgNYwZB/g6xim1rz0w NC8j1x/x6fJPgfmy2WTnjsjPHxFekIieE3TSTexnyWvqV3VbG0Q9V5SMYsIHAB47JUc8 FSIw== 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 u184si3598438pgd.262.2018.11.29.18.41.04; Thu, 29 Nov 2018 18:41:20 -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; 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 S1726789AbeK3NsL (ORCPT + 99 others); Fri, 30 Nov 2018 08:48:11 -0500 Received: from mx1.mailbox.org ([80.241.60.212]:45800 "EHLO mx1.mailbox.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726401AbeK3NsL (ORCPT ); Fri, 30 Nov 2018 08:48:11 -0500 Received: from smtp1.mailbox.org (unknown [IPv6:2001:67c:2050:105:465:1:1:0]) (using TLSv1.2 with cipher ECDHE-RSA-CHACHA20-POLY1305 (256/256 bits)) (No client certificate requested) by mx1.mailbox.org (Postfix) with ESMTPS id B69F9446AA; Fri, 30 Nov 2018 03:40:22 +0100 (CET) X-Virus-Scanned: amavisd-new at heinlein-support.de Received: from smtp1.mailbox.org ([80.241.60.240]) by spamfilter02.heinlein-hosting.de (spamfilter02.heinlein-hosting.de [80.241.56.116]) (amavisd-new, port 10030) with ESMTP id VY1w_i9MfIrj; Fri, 30 Nov 2018 03:40:21 +0100 (CET) Date: Fri, 30 Nov 2018 13:40:10 +1100 From: Aleksa Sarai To: Arnd Bergmann Cc: christian@brauner.io, Andy Lutomirski , Andy Lutomirski , Florian Weimer , "Eric W . Biederman" , Linux Kernel Mailing List , "Serge E. Hallyn" , Jann Horn , Andrew Morton , Oleg Nesterov , Al Viro , Linux FS-devel Mailing List , Linux API , Daniel Colascione , Tim Murray , linux-man@vger.kernel.org, Kees Cook Subject: Re: [PATCH v2] signal: add procfd_signal() syscall Message-ID: <20181130024010.ikugzs3lqodrjvz2@yavin> References: <20181120105124.14733-1-christian@brauner.io> <87in0g5aqo.fsf@oldenburg.str.redhat.com> <36323361-90BD-41AF-AB5B-EE0D7BA02C21@amacapital.net> <993B98AC-51DF-4131-AF7F-7DA2A7F485F1@brauner.io> <20181129195551.woe2bl3z3yaysqb6@brauner.io> <6E21165F-2C76-4877-ABD9-0C86D55FD6AA@amacapital.net> <20181129213458.4h44dpg6ltqow4k4@brauner.io> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="3kiedqe65sfjnl3g" Content-Disposition: inline In-Reply-To: Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --3kiedqe65sfjnl3g Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On 2018-11-29, Arnd Bergmann wrote: > waitid() probably remains on my plate anyway, and I hope understand > where we're at with it. Having a way to wait on a processfd is something we'll eventually need, though the semantics of zombies might get a little bit hairy. I propose we work through that rewrite in a future series once this one goes in. --=20 Aleksa Sarai Senior Software Engineer (Containers) SUSE Linux GmbH --3kiedqe65sfjnl3g Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQIzBAABCAAdFiEEb6Gz4/mhjNy+aiz1Snvnv3Dem58FAlwAowoACgkQSnvnv3De m582NA//fFDU2xF9A6ZovuFclronOEz3qdBj97uN+MSisMh+RjuoFFsQT25BB9zz SNrbF0c/D+lYeoBQPdxvAHfYUQAkFZOnWVYn9eDXYtCjgcfBsKq4Q7nJ4szOqMph a6dmw6vRZ0fIv11d8aCAkhMfA+CRSy4tmyZQjg2xhQ7Dw+6jY8wspplxDJwWwg5l +o9NkoyV51Ca9wglbl6tlT6qQ/G2Cn1Vaj31Yt0fjbw+Pnx3LYmR42r8is5/HBSB /gEl86WJjpvdT5pTMaqjb0+/r/0fQrpEdtOOIbE2APejwmZzJTUdAqAe7DZSPhP7 7u2yyo16paDWvk4WmAGLBYQYBICd71NwvJUxMiEg2T1p0EvUuhBVvaYH/+I0dLbw 3GRLXMzkTBumHk8n8WzlFpz/6yDwYI+E3eHvLDOjDoa5SMuvJ2ab6DnvTqlEfTVr uNbEWIB3DWba+RJbqggu1hPWCa6PhVnck12lYE+oC24YJ4971JC1kNZbgL3Oc+Pw 3i386mmXtPCZOc3n6QFRQyI9bpBHXxiIoOmmcOkO6CIzv73vxoY8CU0q8weiQEuq bgzBBPJiEAjv7mYnaKt1LEqCAsNdDtp5TvAY38qlT1UBy8cux9+6TDWlgJekffPH JeuO05BHpwF2CotFGt33Az/vojbmXykmPvHHJ1+dXnOi5C9kBZo= =RGMe -----END PGP SIGNATURE----- --3kiedqe65sfjnl3g--