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 503CF1DC185; Wed, 25 Sep 2024 12:02:48 +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=1727265768; cv=none; b=ae4v5TS9DOwQn8nGj4kcSqFsQTZ+MicsWmuvPc/fFV66fJymLCaorTCmCmESfmYYCR/eeahUe1l0/gP4SljxJ4tzrlvcKW4SKR7Rol3NwKusBR6gcK0mMrK1Ed7z5WfkJyUULYke/asbS+FGqT0mzi/xDOcu0FnIuH17m56GWc8= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1727265768; c=relaxed/simple; bh=pqDl/oLKye0IY1Vk4RElG6W96LZcmJEPguI00iQo6Zc=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=McTGGRGrN93d+jxp5dwO0FWlYpe5eFEYDKSrm3GAIDSHAsYEqka0DcN9x1vzbhiKJELYtr1O38op+hV+HyVthKtZ4B2kl0VTugac0Rm0/+10S6MzoLDTLf9Ynnc0iEykUdqvoO3q+E1e4nnocTrbksCeMfrLRHAKBie2/vqY0vQ= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=ttytJ1k3; 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="ttytJ1k3" Received: by smtp.kernel.org (Postfix) with ESMTPSA id F1BFCC4CEC7; Wed, 25 Sep 2024 12:02:46 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1727265767; bh=pqDl/oLKye0IY1Vk4RElG6W96LZcmJEPguI00iQo6Zc=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=ttytJ1k3CCMHaEMVbkawbtfD8iJLSvoMWtuxZlF2afVauBD6DlswaCzpRHLvXyh1r /J4CDCWwTHNCiVIQSoGNk/YSZmXmGIEWM3TTsKPSI5MJrqr3+JDcsuqIgFHbMPWcR6 51s5jiUjfmI2Pid1wBp6mJLG0XSODXeEI4s948paBK7JGrGNHRiDOF7YrzFq88lAQC vRALoQjsTj0ow0NDrsc8uDy4N41v4hmtswGrbUOQtDCF0KCI0oju89P8ekvQ0R6Log zpdD/5sdPLxwc0AfGIZwthI0r5eWEZ8XnMwaokTy2OW894PVXiuiOE8emDRty/3SFA 8bHXeq3lsmAIQ== From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: =?UTF-8?q?Thomas=20Wei=C3=9Fschuh?= , Willy Tarreau , Sasha Levin , nathan@kernel.org, llvm@lists.linux.dev Subject: [PATCH AUTOSEL 6.10 091/197] tools/nolibc: powerpc: limit stack-protector workaround to GCC Date: Wed, 25 Sep 2024 07:51:50 -0400 Message-ID: <20240925115823.1303019-91-sashal@kernel.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20240925115823.1303019-1-sashal@kernel.org> References: <20240925115823.1303019-1-sashal@kernel.org> Precedence: bulk X-Mailing-List: llvm@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 X-stable: review X-Patchwork-Hint: Ignore X-stable-base: Linux 6.10.11 Content-Transfer-Encoding: 8bit From: Thomas Weißschuh [ Upstream commit 1daea158d0aae0770371f3079305a29fdb66829e ] As mentioned in the comment, the workaround for __attribute__((no_stack_protector)) is only necessary on GCC. Avoid applying the workaround on clang, as clang does not recognize __attribute__((__optimize__)) and would fail. Acked-by: Willy Tarreau Link: https://lore.kernel.org/r/20240807-nolibc-llvm-v2-3-c20f2f5fc7c2@weissschuh.net Signed-off-by: Thomas Weißschuh Signed-off-by: Sasha Levin --- tools/include/nolibc/arch-powerpc.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/tools/include/nolibc/arch-powerpc.h b/tools/include/nolibc/arch-powerpc.h index ac212e6185b26..41ebd394b90c7 100644 --- a/tools/include/nolibc/arch-powerpc.h +++ b/tools/include/nolibc/arch-powerpc.h @@ -172,7 +172,7 @@ _ret; \ }) -#ifndef __powerpc64__ +#if !defined(__powerpc64__) && !defined(__clang__) /* FIXME: For 32-bit PowerPC, with newer gcc compilers (e.g. gcc 13.1.0), * "omit-frame-pointer" fails with __attribute__((no_stack_protector)) but * works with __attribute__((__optimize__("-fno-stack-protector"))) -- 2.43.0