From patchwork Fri May 23 04:39:19 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Kees Cook X-Patchwork-Id: 892095 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 1D23825E454; Fri, 23 May 2025 04:39:41 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1747975182; cv=none; b=rG6w8oOd8GvilpRJYgPAwX09d30+tNZZoprXDu+edojXXEmiHLbgNakNnSsb5o1rsY6nEzb2e1gF9zVhVU9uUm87XUSrx/9JwsLmRmPVfG4T30hXU8iDmpDm4EUK/DNZj4mm4s9OAdG1wLPS0xhNKylORArQsL8qyxtYcFB50oc= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1747975182; c=relaxed/simple; bh=Jd/sB6oZ8iltvnfrQDqGbUKjd0Ro3QNhdkLI+vDUogY=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=RGyxhPh79+kjRujVjrYEGo5MrFNLa/E0TzSfcIWKN4lTE8TejhJoS4KFUzm5oHGatzgr4rrG9RQv7sr2evfgJLy60ClHqUcoSJuOIMkeTUpYA52Q/Ih+oJ74Pgvc5Hl/nU+WpXxjzyqeN4fmyNOC1rTCG1ykDcDJp0fSFouBEyA= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=uE7AaIXp; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="uE7AaIXp" 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> Precedence: bulk X-Mailing-List: linux-efi@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: 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 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();