linux-hardening - Re: [PATCH 2/2] arm64: defconfig: Enable PSTORE

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Message-ID: <9696e2e9-db02-4ea7-b955-785ff5d19f3f@ixit.cz>
Date: Thu, 11 Jan 2024 21:08:01 +0100
From: David <david@...t.cz>
To: Nícolas F. R. A. Prado <nfraprado@...labora.com>,
 Kees Cook <keescook@...omium.org>
Cc: kernel@...labora.com,
 AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>,
 Arnd Bergmann <arnd@...db.de>, Bjorn Andersson <quic_bjorande@...cinc.com>,
 Catalin Marinas <catalin.marinas@....com>,
 Dmitry Baryshkov <dmitry.baryshkov@...aro.org>,
 Geert Uytterhoeven <geert+renesas@...der.be>,
 "Guilherme G. Piccoli" <gpiccoli@...lia.com>,
 Konrad Dybcio <konrad.dybcio@...aro.org>,
 Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>,
 Marek Szyprowski <m.szyprowski@...sung.com>,
 Neil Armstrong <neil.armstrong@...aro.org>, Tony Luck <tony.luck@...el.com>,
 Will Deacon <will@...nel.org>, linux-arm-kernel@...ts.infradead.org,
 linux-hardening@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/2] arm64: defconfig: Enable PSTORE_RAM

Useful stuff!

Reviewed-by: David Heidelberg <david@...t.cz>

On 10/01/2024 22:05, Nícolas F. R. A. Prado wrote:
> Enable PSTORE_RAM, that is the ramoops driver, in the defconfig, to
> allow logging and retrieving panics and oopses to/from RAM automatically
> for platforms that have a ramoops reserved memory node in DT.
>
> Signed-off-by: Nícolas F. R. A. Prado <nfraprado@...labora.com>
>
> ---
>
>   arch/arm64/configs/defconfig | 1 +
>   1 file changed, 1 insertion(+)
>
> diff --git a/arch/arm64/configs/defconfig b/arch/arm64/configs/defconfig
> index d48659217bb4..0b0ef6877a12 100644
> --- a/arch/arm64/configs/defconfig
> +++ b/arch/arm64/configs/defconfig
> @@ -1589,6 +1589,7 @@ CONFIG_HUGETLBFS=y
>   CONFIG_CONFIGFS_FS=y
>   CONFIG_EFIVAR_FS=y
>   CONFIG_SQUASHFS=y
> +CONFIG_PSTORE_RAM=m
>   CONFIG_NFS_FS=y
>   CONFIG_NFS_V4=y
>   CONFIG_NFS_V4_1=y