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Date:   Wed, 9 Mar 2022 17:10:43 -0800
From:   Andrew Morton <akpm@linux-foundation.org>
To:     Qian Cai <quic_qiancai@quicinc.com>
Cc:     <linux-kernel@vger.kernel.org>,
        Daniel Thompson <daniel.thompson@linaro.org>,
        Kees Cook <keescook@chromium.org>
Subject: Re: [PATCH] configs/debug: Restore DEBUG_INFO=y for overriding
Message-Id: <20220309171043.33e048bb8bc43e5f483fa102@linux-foundation.org>
In-Reply-To: <20220308153524.8618-1-quic_qiancai@quicinc.com>
References: <20220308153524.8618-1-quic_qiancai@quicinc.com>
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On Tue, 8 Mar 2022 10:35:24 -0500 Qian Cai <quic_qiancai@quicinc.com> wrote:

> Previously, I failed to realize that Kees' patch [1] has not been merged
> into the mainline yet, and dropped DEBUG_INFO=y too eagerly from the
> mainline. As the results, "make debug.config" won't be able to flip
> DEBUG_INFO=n from the existing .config. This should close the gaps of a
> few weeks before Kees' patch is there, and work regardless of their
> merging status anyway.
> 
> [1] https://lore.kernel.org/all/20220125075126.891825-1-keescook@chromium.org/
> 
> ...
>
> --- a/kernel/configs/debug.config
> +++ b/kernel/configs/debug.config
> @@ -16,6 +16,7 @@ CONFIG_SYMBOLIC_ERRNAME=y
>  #
>  # Compile-time checks and compiler options
>  #
> +CONFIG_DEBUG_INFO=y
>  CONFIG_DEBUG_INFO_DWARF_TOOLCHAIN_DEFAULT=y
>  CONFIG_DEBUG_SECTION_MISMATCH=y
>  CONFIG_FRAME_WARN=2048

Thanks, I queued this for 5.17,