linux-kernel - Re: [PATCH] mips: Enable KCSAN

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Message-ID: <YgZhinv9C9CBIEIG@elver.google.com>
Date:   Fri, 11 Feb 2022 14:15:54 +0100
From:   Marco Elver <elver@...gle.com>
To:     Nemanja Rakovic <nemanja.rakovic@...mia.com>
Cc:     linux-mips@...r.kernel.org,
        Thomas Bogendoerfer <tsbogend@...ha.franken.de>,
        linux-kernel@...r.kernel.org, dragan.mladjenovic@...mia.com
Subject: Re: [PATCH] mips: Enable KCSAN

On Mon, Jan 31, 2022 at 11:17AM +0100, Nemanja Rakovic wrote:
> This patch enables KCSAN for the 64-bit version. Updated rules
> for the incompatible compilation units (vdso, boot/compressed).
> 
> Signed-off-by: Nemanja Rakovic <nemanja.rakovic@...mia.com>
[...]
> diff --git a/arch/mips/boot/compressed/Makefile b/arch/mips/boot/compressed/Makefile
> index 5a15d51e8884..a35f78212ea9 100644
> --- a/arch/mips/boot/compressed/Makefile
> +++ b/arch/mips/boot/compressed/Makefile
> @@ -38,6 +38,7 @@ KBUILD_AFLAGS := $(KBUILD_AFLAGS) -D__ASSEMBLY__ \
>  KCOV_INSTRUMENT		:= n
>  GCOV_PROFILE := n
>  UBSAN_SANITIZE := n
> +KASAN_SANITIZE			:= n
>  

Should this have said KCSAN_SANITIZE? You probably want one for
KASAN_SANITIZE as well, but probably not in this patch, given mips
doesn't support KASAN yet (AFAIK).

Thanks,
-- Marco