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 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 smtp.lore.kernel.org (Postfix) with ESMTPS id D3D4EC54ED0 for ; Fri, 23 May 2025 05:00:15 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: MIME-Version:References:In-Reply-To:Message-Id:Date:Subject:Cc:To:From: Reply-To:Content-Type:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=yTTuFDULLlXHo29rEb16kTtXhwZm7ZhsK1So1LQJfmQ=; b=UYu+oUOeZyBqmaZtkWGl3h3PBV amcUVhoB4eaT6hvrTiseIfEB2vzUvj2BPwCDmHBx6LQebwr9rW8fvmCeO0UClUcqHAg6HLXN6rJfD XinWFHFACvdALV8CbKUTFfMMtqLbqDy98X4XcI8SrbE2Acmt8EWC9bzHBhH8QdIKfwpjAVDVxKGJy dhFz5jpUxbJ3plyE3ymypgmjeIHhGyNs+f2mjOH3rNyM13590+fVZzYeM+8d16Xeu7wwphtcS1GlV fLzwDhU8oCqF59wsSRX8dP10UP5PCmWI9PBzB59T2LhZ+3gsG+v6krykFfaUtRTcv8qjvChqoyX6D 7uXC02mQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1uIKVt-00000002xVh-3mgP; Fri, 23 May 2025 05:00:09 +0000 Received: from sea.source.kernel.org ([2600:3c0a:e001:78e:0:1991:8:25]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1uIKC5-00000002tzF-39PY; Fri, 23 May 2025 04:39:45 +0000 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by sea.source.kernel.org (Postfix) with ESMTP id 6FB234A968; Fri, 23 May 2025 04:39:41 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 45D20C4CEF6; Fri, 23 May 2025 04:39:41 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1747975181; bh=Jd/sB6oZ8iltvnfrQDqGbUKjd0Ro3QNhdkLI+vDUogY=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=uE7AaIXpwC5UwsMRJ69CQY6UitGX9wnySf5tVkqGdVEf3R8NkbsWcogYuMzwCIPjU PKOIlhjPY7eZqWnbn23WMH4eVsoeXc2gpbWtUYAl5lScvcTQhwCu+WHQ/weTwqFkY1 MKtNJT1gy9Ua87vncd628DzNyGV+pLo4o1GRdtLgYU4s0pK+yl1CFQL8tjutl60QfX UIedCQqD0fEMZOR1fqZKF/lfM5q1EcIFwL7VMYlAEDzsOkmVJtO4+AOBJmSkAdh3q9 IX5DyMtDuEsfAVFqKg+pGrxwAZJxoDombtDDeetPTNkmjyHD7gtG+v5lDEGWWpUAoR uheAXE53E4XBw== From: Kees Cook To: Arnd Bergmann Cc: Kees Cook , Thomas Bogendoerfer , linux-mips@vger.kernel.org, "Gustavo A. R. Silva" , Christoph Hellwig , Marco Elver , Andrey Konovalov , Andrey Ryabinin , Ard Biesheuvel , Masahiro Yamada , Nathan Chancellor , Nicolas Schier , Nick Desaulniers , Bill Wendling , Justin Stitt , linux-kernel@vger.kernel.org, x86@kernel.org, kasan-dev@googlegroups.com, linux-doc@vger.kernel.org, linux-arm-kernel@lists.infradead.org, kvmarm@lists.linux.dev, linux-riscv@lists.infradead.org, linux-s390@vger.kernel.org, linux-efi@vger.kernel.org, linux-hardening@vger.kernel.org, linux-kbuild@vger.kernel.org, linux-security-module@vger.kernel.org, linux-kselftest@vger.kernel.org, sparclinux@vger.kernel.org, llvm@lists.linux.dev Subject: [PATCH v2 09/14] mips: Handle KCOV __init vs inline mismatches Date: Thu, 22 May 2025 21:39:19 -0700 Message-Id: <20250523043935.2009972-9-kees@kernel.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20250523043251.it.550-kees@kernel.org> References: <20250523043251.it.550-kees@kernel.org> MIME-Version: 1.0 X-Developer-Signature: v=1; a=openpgp-sha256; l=1052; i=kees@kernel.org; h=from:subject; bh=Jd/sB6oZ8iltvnfrQDqGbUKjd0Ro3QNhdkLI+vDUogY=; b=owGbwMvMwCVmps19z/KJym7G02pJDBn6v3/Zi0kce6axcl3IlGXXv7dekvhyRPSBTort1tP1K SyVtX0ZHaUsDGJcDLJiiixBdu5xLh5v28Pd5yrCzGFlAhnCwMUpABOZysfIsPL2U8Z//9ZLv1JP aV33p2xj+sPc5oXl284XsjnqZc1ZtpPhf9Cv8pC7KxeE36nZ/nr2m3tGE9NjZ03f/PFc35H9N+K yTLkB X-Developer-Key: i=kees@kernel.org; a=openpgp; fpr=A5C3F68F229DD60F723E6E138972F4DFDC6DC026 Content-Transfer-Encoding: 8bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250522_213941_912838_A1134BF0 X-CRM114-Status: GOOD ( 10.91 ) 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: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org When KCOV is enabled all functions get instrumented, unless the __no_sanitize_coverage attribute is used. To prepare for __no_sanitize_coverage being applied to __init functions, we have to handle differences in how GCC's inline optimizations get resolved. For mips this requires forcing a function to be inline with __always_inline. Signed-off-by: Kees Cook --- Cc: Thomas Bogendoerfer Cc: --- arch/mips/include/asm/time.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/mips/include/asm/time.h b/arch/mips/include/asm/time.h index e855a3611d92..044cff0e0764 100644 --- a/arch/mips/include/asm/time.h +++ b/arch/mips/include/asm/time.h @@ -55,7 +55,7 @@ static inline int mips_clockevent_init(void) */ extern int init_r4k_clocksource(void); -static inline int init_mips_clocksource(void) +static __always_inline int init_mips_clocksource(void) { #ifdef CONFIG_CSRC_R4K return init_r4k_clocksource(); -- 2.34.1