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 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=-12.7 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,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 D3B4FC07E95 for ; Tue, 13 Jul 2021 18:10:37 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 9B75C61374 for ; Tue, 13 Jul 2021 18:10:37 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 9B75C61374 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=ho5gvb1vGOB2rEVLRVEeVfZgCgVwyQJM7P5rJ8UviyM=; b=X/0CC0JUy6mGaT dUDxBHC0b6DyFvJS2PHPHZmT9C3IXfftVXjAjwujlyEcDl1aslXYNMNZtMWcMrump1Xj3iL7BtKjC 3UNTiLXY2VT6HCv0/AuWGeojgfbhg+koH6Rn0YI2AnIyQMJDX2T55EI3CXpc13UHsfqQw6iv9iI/0 HAUj7BodvXHlR4yrovxyzRSGRMo+G/9IuSrMkynsUf/WXLbv707VRifc1FaqhVl0Oc0stxI+qZwVM 82Afqn7kqpQ7q3aXlQFdzaraPEHzrmpzqj+YwR2yVVc406BVsXwZHB2/1gxnTKJkujBw/C+JD5v/R 8QKqCUJBsCkiYGPLOPUQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1m3MqC-00B7ay-92; Tue, 13 Jul 2021 18:09:08 +0000 Received: from mail.kernel.org ([198.145.29.99]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1m3Mq7-00B7Zx-T5 for linux-arm-kernel@lists.infradead.org; Tue, 13 Jul 2021 18:09:05 +0000 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 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210713_110904_007251_D35E43C5 X-CRM114-Status: UNSURE ( 7.54 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.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 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel