Received: by 10.213.65.68 with SMTP id h4csp858662imn; Tue, 20 Mar 2018 18:00:36 -0700 (PDT) X-Google-Smtp-Source: AG47ELuzd0DIIOPTZbxNDe6txjwDk+uhfT9EPjuVAtxO6UXAx8J1i/v3Pl4Tx3MjI4kZ+MTVs8lF X-Received: by 10.99.172.18 with SMTP id v18mr11491460pge.213.1521594036270; Tue, 20 Mar 2018 18:00:36 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1521594036; cv=none; d=google.com; s=arc-20160816; b=kdmiL6ELdBLH1ISM86dIiNPoVEBgCxh1M9NkM9nVm5G3rReOLqTR8vgA2qVuFKagyX xpvYF+icRhKRTbTVEFRlVpvmx4Ib+Cm1GSYx0ocWcmmwtOFLXMdia+QBvlBAm7j5oGMY m9/AzGdD/lDo6l09ESjFuiZ5hYIpNZDgQFlzKt5dQE9uNe8Ud1V2W73Lh0QHZ1kjpluR WPHMcCRefTxAGooFUdxEzn+xyOBZmVBRD3k0jONm11Y+HtCPvtY4iBX/9SSCbcGPzUST b0qhsDGDxXqfEV1p6xdFdr+G3F7FE6QVPfUjRQv1RPS/JuA8T3/PtJ53lnjyGddZCQfl QmGA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:user-agent:in-reply-to :content-disposition:mime-version:references:message-id:subject:cc :to:from:date:dkim-signature:arc-authentication-results; bh=55bUbeItOcXQrsmwzqBJU+TiU7ZnsfwzrzubikjvPNw=; b=pvo2fz9w+YfG03ALMDetivDEAHK1V+hyG/KOzRLH7GH07fjhWUz6vmPpV33lFUzemu 8/hujzqvnxjq7/Q5HJKPXkoX9RVQcCge6PSgFnunX+6/MGGPr4kd4GiwBVCfFWZZDcl7 ARaQjiom4/Ehzwf0+a4AJ7KT0ynk7nJHdErrsQJ85OQ9KSbxtYbvOBEiaPlbKsK0eKZU TnwqgQQqlbETLY/RcB0m05c7Gp1ewtS93F8MFjiU2/y8e4MbFbPqIs+9Pyl0gu//ihsd i/1+ITS+yChXDV6O2cVdv2VXxDvkdVOwNM+6cR24xSKcyu/GSCBlQjWU4bvMxUI3H8p9 od3A== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@gmail.com header.s=20161025 header.b=bF0m/etu; 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=QUARANTINE dis=NONE) header.from=gmail.com Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id i188si1944615pgc.178.2018.03.20.18.00.21; Tue, 20 Mar 2018 18:00:36 -0700 (PDT) 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=@gmail.com header.s=20161025 header.b=bF0m/etu; 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=QUARANTINE dis=NONE) header.from=gmail.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751744AbeCUA64 (ORCPT + 99 others); Tue, 20 Mar 2018 20:58:56 -0400 Received: from mail-pf0-f196.google.com ([209.85.192.196]:35567 "EHLO mail-pf0-f196.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751646AbeCUA6x (ORCPT ); Tue, 20 Mar 2018 20:58:53 -0400 Received: by mail-pf0-f196.google.com with SMTP id y186so1369337pfb.2; Tue, 20 Mar 2018 17:58:53 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to:user-agent; bh=55bUbeItOcXQrsmwzqBJU+TiU7ZnsfwzrzubikjvPNw=; b=bF0m/etu4kQ758TVfeP2AZDEI7tcfF7y2iymOKPtTA0Tzzt6AzR1hWXh3QbG7RL7O2 pltn3S9bp/+1mnyVG2A/ufRZFi5KBT4x9zWQ+nB+Bsk5vqxc6lCR1YSGXlidB/3RF+H9 1mabBWPRbA7zWx/0ThgBOauL/QuhjtvMUgP+Tu9995n7UDe72zBYnSAeGBR1LDuOcQk9 1qjt7CRsP3s1yRAQPi/iBwxrvTXwNhZAz8Hdqmqvu0lWX5PnqlSrZAoDt7FNWtlZF7YR L5qLzhrBQVQVe1hQO+92aNmMQJ9+qaKI4/JrgPq1qT/Wmk44dF8ngdVjgN7Xny/bGzuh rp1w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to:user-agent; bh=55bUbeItOcXQrsmwzqBJU+TiU7ZnsfwzrzubikjvPNw=; b=REb0D7BSYHWhJ+3+6202qpnnBcK9ry0p17DtCxS1YEQ8tOn8Y2/7GORK0P/aKFvxuc 0sKYHXVcbXHIoqcKJsCL1b06XN9kSiTg7Az9Bi/mq+g2nKzcQEhXkLU0D82w6MlgV1Tn x0NWItd290sdjWo9Kv3aLhV1hfKzKEPCB2Xzklft0WpXXiQrHgX6D9Il1hIttRHYEp17 i4QtU6/n1yhcvMPtEYEuJijXw6BMzkrllhP+nO4wujS2Qyx7li+HLYU3Y8UNab3cP/IK eIfgWIpFeQzrIimecHmj1j2EVqdWYoyRlls1exnJ7B7hvRzgSAZI5N7wdsZZWNMBrORV AQzQ== X-Gm-Message-State: AElRT7Gl+MfU2UPHvhN0k8/pbB4VhhaBAw7LOw/2V3GpIsKJ1nHhLd+F AF2x09hBwa09TU+sWe3YxkY= X-Received: by 10.98.79.90 with SMTP id d87mr15237295pfb.41.1521593933062; Tue, 20 Mar 2018 17:58:53 -0700 (PDT) Received: from ast-mbp ([2620:10d:c090:180::1:ea39]) by smtp.gmail.com with ESMTPSA id i11sm4391349pgq.34.2018.03.20.17.58.51 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Tue, 20 Mar 2018 17:58:52 -0700 (PDT) Date: Tue, 20 Mar 2018 17:58:41 -0700 From: Alexei Starovoitov To: Daniel Borkmann Cc: Linus Torvalds , Alexei Starovoitov , psodagud@codeaurora.org, Network Development , Chenbo Feng , Richard Smith , Chandler Carruth , Linux Kernel Mailing List Subject: Re: [PATCH] kbuild: disable clang's default use of -fmerge-all-constants Message-ID: <20180321005839.3s2ftjp5pgwzy26p@ast-mbp> References: <20180321001824.8395-1-daniel@iogearbox.net> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: NeoMutt/20180223 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Mar 21, 2018 at 01:38:45AM +0100, Daniel Borkmann wrote: > On 03/21/2018 01:36 AM, Linus Torvalds wrote: > > On Tue, Mar 20, 2018 at 5:18 PM, Daniel Borkmann wrote: > >> Prasad reported that he has seen crashes in BPF subsystem with netd > >> on Android with arm64 in the form of (note, the taint is unrelated): > > > > Ack. This looks good to me. And thanks for noticing the behavior wrt > > the correct gcc merging. > > > >> [ Hi Linus, feel free to take this fix directly if you want. > >> Alternatively, we could route it via bpf tree. Thanks a > >> lot for your feedback! ] > > > > So since it's your patch and the only known issue comes from the bpf > > side, I think it should just go through the bpf tree, and I expect it > > to get to me through all the usual channels. > > Yeah, that's fine, thanks for letting us know! Applied to bpf tree, thanks everyone.