From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-3.8 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, NICE_REPLY_A,SPF_HELO_NONE,SPF_PASS autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 3B6C0C4741F for ; Thu, 5 Nov 2020 00:51:57 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id E9CB922203 for ; Thu, 5 Nov 2020 00:51:56 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1604537517; bh=sd2Lc3Z6qbtJMtjDbNwU6unLuDouOQBCMn3BqCzKK2Q=; h=Date:From:To:Cc:Subject:In-Reply-To:References:List-ID:From; b=TxZtGWYKLlND0de9ZsbPpqnD4mY2IAoHbnP2FljcTTQ+y90fRxW06BsvJ18mParA4 ZXnfHK/taU0RbLt9Yq7ZQOHzHTC9JCknQU45FnpZk831WpHXtdC8oiGLRj1d5ng1VI e2ATf0xhETLPX6Eodf2I6oyHCXclkRfSS8P9m2ag= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2387839AbgKEAv4 (ORCPT ); Wed, 4 Nov 2020 19:51:56 -0500 Received: from mail.kernel.org ([198.145.29.99]:52600 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1731308AbgKEAvz (ORCPT ); Wed, 4 Nov 2020 19:51:55 -0500 Received: from X1 (unknown [208.106.6.120]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 28A9C20BED; Thu, 5 Nov 2020 00:51:54 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1604537515; bh=sd2Lc3Z6qbtJMtjDbNwU6unLuDouOQBCMn3BqCzKK2Q=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=PiTqPeSLem6NvwNWxPEOjmj7+A9eoe6TRqZsDAZqlo+mVD7L1JxbvORdgu+nfLQ+H VQSUkQn9JbIBqvZHJWw4ME3n/PwBt+CPBjl6EikqtjYpdFegPULy/tt7nYE6gV5d5O FiBN3RhRwNPiy8cNtPBOZwPbUEhuuS+M4eZeHBGE= Date: Wed, 4 Nov 2020 16:51:53 -0800 From: Andrew Morton To: Nick Desaulniers Cc: stable@vger.kernel.org, Chen Yu , Jarkko Sakkinen , Alexei Starovoitov , Daniel Borkmann , Martin KaFai Lau , Song Liu , Yonghong Song , Andrii Nakryiko , John Fastabend , KP Singh , Nathan Chancellor , Miguel Ojeda , Kees Cook , Marco Elver , Arvind Sankar , Randy Dunlap , Sami Tolvanen , Ingo Molnar , linux-kernel@vger.kernel.org, netdev@vger.kernel.org, bpf@vger.kernel.org, clang-built-linux@googlegroups.com Subject: Re: [PATCH] compiler-clang: remove version check for BPF Tracing Message-Id: <20201104165153.c10f4f2f91c0d4748df1c3bf@linux-foundation.org> In-Reply-To: <20201104191052.390657-1-ndesaulniers@google.com> References: <20201104191052.390657-1-ndesaulniers@google.com> X-Mailer: Sylpheed 3.5.1 (GTK+ 2.24.32; x86_64-pc-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, 4 Nov 2020 11:10:51 -0800 Nick Desaulniers wrote: > bpftrace parses the kernel headers and uses Clang under the hood. Remove > the version check when __BPF_TRACING__ is defined (as bpftrace does) so > that this tool can continue to parse kernel headers, even with older > clang sources. > > Cc: > Fixes: commit 1f7a44f63e6c ("compiler-clang: add build check for clang 10.0.1") 1f7a44f63e6c is only in 5.10-rcX, so I shall remove the cc:stable.