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=-14.7 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING, SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham 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 A0E5AC07E95 for ; Tue, 13 Jul 2021 18:09:05 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 7794E61380 for ; Tue, 13 Jul 2021 18:09:05 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233634AbhGMSLy (ORCPT ); Tue, 13 Jul 2021 14:11:54 -0400 Received: from mail.kernel.org ([198.145.29.99]:60354 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230145AbhGMSLx (ORCPT ); Tue, 13 Jul 2021 14:11:53 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id 26DB361370; Tue, 13 Jul 2021 18:09:02 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1626199743; bh=46YcJlTPBE+sL8Lgj1YV5aLfzsrVPPnMADD+cqOOecw=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=WFCii6I1OZidIYlYzJdhPSeCEeQ9BzEd6fzP0a+dNoAR64RxxUE0DmzPENw2ApSXf A7klDLWqb7EcKkLBQyk1xMkdUlceugxc313NDjhjJVGzVaVl+XsFVwDyR2reF9cpnr yIIjWm8Q4O/24MX7U3CCnfD6dmoCnejETM0jUxfrOTp4isEi/HDfC0SWffFe/FlXvQ dMxfz8NlBvU1+WW4Lht4HxkbZKzm01M6LGbfSxpDObLvtL9btPrPGnnNJwHlJcqLXS DEr7lB/CIs500mACx+mY0hw9k4ORTBtqEhJDqXaR15PN0uohR1NlQBj9666qABV/Wk aBj11/A/djSSA== From: Will Deacon To: Nathan Chancellor , Catalin Marinas Cc: kernel-team@android.com, Will Deacon , clang-built-linux@googlegroups.com, linux-kernel@vger.kernel.org, Nick Desaulniers , linux-arm-kernel@lists.infradead.org Subject: Re: [PATCH v2] arm64: Restrict ARM64_BTI_KERNEL to clang 12.0.0 and newer Date: Tue, 13 Jul 2021 19:08:56 +0100 Message-Id: <162619029187.3095121.267075671742631551.b4-ty@kernel.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20210712214636.3134425-1-nathan@kernel.org> References: <20210709000627.3183718-1-nathan@kernel.org> <20210712214636.3134425-1-nathan@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, 12 Jul 2021 14:46:37 -0700, Nathan Chancellor wrote: > Commit 97fed779f2a6 ("arm64: bti: Provide Kconfig for kernel mode BTI") > disabled CONFIG_ARM64_BTI_KERNEL when CONFIG_GCOV_KERNEL was enabled and > compiling with clang because of warnings that were seen with > allmodconfig because LLVM was not emitting PAC/BTI instructions for > compiler generated functions: > > warning: some functions compiled with BTI and some compiled without BTI > warning: not setting BTI in feature flags > > [...] Thanks Nathan for turning this around so quickly. The new commit message is much better. Applied to arm64 (for-next/fixes), thanks! [1/1] arm64: Restrict ARM64_BTI_KERNEL to clang 12.0.0 and newer https://git.kernel.org/arm64/c/8cdd23c23c3d Cheers, -- Will https://fixes.arm64.dev https://next.arm64.dev https://will.arm64.dev