linux-kernel - Re: [PATCH] gcov: add support for GCC 14

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Message-Id: <20240610104542.25a7d777b011d74463df9148@linux-foundation.org>
Date: Mon, 10 Jun 2024 10:45:42 -0700
From: Andrew Morton <akpm@...ux-foundation.org>
To: Chuck Lever <chuck.lever@...cle.com>
Cc: Peter Oberparleiter <oberpar@...ux.ibm.com>,
 linux-kernel@...r.kernel.org, allison.henderson@...cle.com
Subject: Re: [PATCH] gcov: add support for GCC 14

On Mon, 10 Jun 2024 09:41:19 -0400 Chuck Lever <chuck.lever@...cle.com> 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 <chuck.lever@...cle.com>

I assume this problem will affect people who use gcc-14 to compile
older kernels, so I have added cc:stable to this patch.