From mboxrd@z Thu Jan 1 00:00:00 1970 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 DBEBD22DF91; Tue, 29 Apr 2025 17:39:57 +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=1745948397; cv=none; b=QeO0Az+/UrH6Y7dPOtTJuJZAj2YOlutxYnVNV+g3cFYqbtJP+jKgs9Fb6+3KB9kS3FgFYj+Ujm7fEfPU1G5Jo4m9HOa0i8vOu6iQ8U63IZ+suDb9ulOTAaa1X61xYDkRgiZGtiCCEvsuvnO5P3HL86+DIPye59nL0uUuuU6pNTI= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1745948397; c=relaxed/simple; bh=Uq3kOkg5Re6q5tW8zZjdBo0P7jZIey35+v4HMUX8FcQ=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=Ub5bvbBu2zy7pMhCHUsJd5hqVuG0ot5mtjKg+mV5pFvb7Wbd6fR34M9558kZOON4ebUr1ViH6z5uSPl8p9wFaE2wVgrjHpVLvxJ5p8XnlJooc4YDFDkXpFbFHsZ8CZgs9MV78aMpf1IvTiiZwuHANMPR5mkix5viRBRJ0FmXVt0= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=Bf8KfDyS; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="Bf8KfDyS" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 6FCAEC4CEE3; Tue, 29 Apr 2025 17:39:57 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1745948397; bh=Uq3kOkg5Re6q5tW8zZjdBo0P7jZIey35+v4HMUX8FcQ=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Bf8KfDySnpBsbSw9xKTQPH9NB7x6QqPijPGNfeA+9JCjcA+V4uCyag9LqYikpZ7NM BCad/q9cEAV67aFKQmDT/H66GETosXmVg0HGA91lLBa1Guisemj53Zq03E+r0AskaD O9L65V8bDsLsAk1LG6dXkaGn4InYOj13eM6cspdQ= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, kernel test robot , Josh Poimboeuf , Ingo Molnar , Linus Torvalds Subject: [PATCH 6.12 276/280] objtool: Silence more KCOV warnings, part 2 Date: Tue, 29 Apr 2025 18:43:37 +0200 Message-ID: <20250429161126.426116042@linuxfoundation.org> X-Mailer: git-send-email 2.49.0 In-Reply-To: <20250429161115.008747050@linuxfoundation.org> References: <20250429161115.008747050@linuxfoundation.org> User-Agent: quilt/0.68 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 6.12-stable review patch. If anyone has any objections, please let me know. ------------------ From: Josh Poimboeuf commit 55c78035a1a8dfb05f1472018ce2a651701adb7d upstream. Similar to GCOV, KCOV can leave behind dead code and undefined behavior. Warnings related to those should be ignored. The previous commit: 6b023c784204 ("objtool: Silence more KCOV warnings") ... only did so for CONFIG_CGOV_KERNEL. Also do it for CONFIG_KCOV, but for real this time. Fixes the following warning: vmlinux.o: warning: objtool: synaptics_report_mt_data: unexpected end of section .text.synaptics_report_mt_data Fixes: 6b023c784204 ("objtool: Silence more KCOV warnings") Reported-by: kernel test robot Signed-off-by: Josh Poimboeuf Signed-off-by: Ingo Molnar Cc: Linus Torvalds Link: https://lore.kernel.org/r/a44ba16e194bcbc52c1cef3d3cd9051a62622723.1743481539.git.jpoimboe@kernel.org Closes: https://lore.kernel.org/oe-kbuild-all/202503282236.UhfRsF3B-lkp@intel.com/ Signed-off-by: Greg Kroah-Hartman --- scripts/Makefile.lib | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/scripts/Makefile.lib +++ b/scripts/Makefile.lib @@ -257,7 +257,7 @@ objtool-args-$(CONFIG_MITIGATION_SLS) objtool-args-$(CONFIG_STACK_VALIDATION) += --stackval objtool-args-$(CONFIG_HAVE_STATIC_CALL_INLINE) += --static-call objtool-args-$(CONFIG_HAVE_UACCESS_VALIDATION) += --uaccess -objtool-args-$(CONFIG_GCOV_KERNEL) += --no-unreachable +objtool-args-$(or $(CONFIG_GCOV_KERNEL),$(CONFIG_KCOV)) += --no-unreachable objtool-args-$(CONFIG_PREFIX_SYMBOLS) += --prefix=$(CONFIG_FUNCTION_PADDING_BYTES) objtool-args = $(objtool-args-y) \