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 173C155884 for ; Mon, 10 Jun 2024 17:45:43 +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=1718041544; cv=none; b=ESK0nCQmTtjRyRPGxRxJDz8RyYbMh5rl8rbgDbZa813y+AKPAxpCdfwa2UuuoX6vLHfRoGa7JYgqn9dPz4HSiOcF8auxLbT4cIU4DR+CtqBQB/61nL5+frx0v3ox1ALwiHvLB6nMsZ5TiITXMdAON6RBCqJEPfdZ/wvM7WngyYo= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1718041544; c=relaxed/simple; bh=dbytZ0vJmzJGe+/iWdHuIAQiKb0TG4Aky72PQarEDvI=; h=Date:From:To:Cc:Subject:Message-Id:In-Reply-To:References: Mime-Version:Content-Type; b=ARxrH+dIsPJS5SCDjqskaFNQfj1EK1CJqql7rPOB6gOW5E+Id2xQCF5EbMmgtJInp8LJ5GGFLVJcIVYT1zr1VigAvxoVZQ8FbvET8qSa4x+kO4icH0A9MOBO7YyjABb48U1J22iYSuuapDSc6kYA2FE+JIFSw5vB1vRb6BO4SyQ= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux-foundation.org header.i=@linux-foundation.org header.b=SJV9hHZl; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux-foundation.org header.i=@linux-foundation.org header.b="SJV9hHZl" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 6C1E7C2BBFC; Mon, 10 Jun 2024 17:45:43 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linux-foundation.org; s=korg; t=1718041543; bh=dbytZ0vJmzJGe+/iWdHuIAQiKb0TG4Aky72PQarEDvI=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=SJV9hHZlwevrqnKl1cDFRUqOX0JruwMaNnJAA2CiOGTGJGrazuWXP1n985NWxqegJ MRvo+Zacf84eyu7pZb9CtUslpnoRXzatWMZY08JZEmbP47jhqDn4yju8U+SzG9ZF0b JQWVoNu8z4ZS5rucLTIIYFP+bCPgZTLTR6IUPOcU= Date: Mon, 10 Jun 2024 10:45:42 -0700 From: Andrew Morton To: Chuck Lever Cc: Peter Oberparleiter , linux-kernel@vger.kernel.org, allison.henderson@oracle.com Subject: Re: [PATCH] gcov: add support for GCC 14 Message-Id: <20240610104542.25a7d777b011d74463df9148@linux-foundation.org> In-Reply-To: References: <20240610092743.1609845-1-oberpar@linux.ibm.com> X-Mailer: Sylpheed 3.8.0beta1 (GTK+ 2.24.33; x86_64-pc-linux-gnu) Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit On Mon, 10 Jun 2024 09:41:19 -0400 Chuck Lever wrote: > On Mon, Jun 10, 2024 at 11:27:43AM +0200, Peter Oberparleiter wrote: > > Using gcov on kernels compiled with GCC 14 results in truncated 16-byte > > long .gcda files with no usable data. To fix this, update GCOV_COUNTERS > > to match the value defined by GCC 14. > > > > Tested with GCC versions 14.1.0 and 13.2.0. > > > > ... > > Tested-by: Chuck Lever I assume this problem will affect people who use gcc-14 to compile older kernels, so I have added cc:stable to this patch.