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Message-ID: <1bf10ec1-c154-52f3-79dd-7ec5380aa159@tweek.dk>
Date:   Fri, 22 Sep 2023 09:45:17 +0200 (CEST)
From:   Martin Nybo Andersen <tweek@...ek.dk>
To:     Masahiro Yamada <masahiroy@...nel.org>,
        Nathan Chancellor <nathan@...nel.org>,
        Nick Desaulniers <ndesaulniers@...gle.com>,
        Nicolas Schier <nicolas@...sle.eu>,
        Nick Terrell <terrelln@...com>, linux-kbuild@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] Use CRC32 and a 1MiB dictionary for XZ compressed
 modules

Hello?
Anyone?

Best regards,
- Martin

On Fri, 15 Sep 2023, Martin Nybo Andersen wrote:

> Kmod is now using the kernel decompressor which doesn't handle CRC64
> and dictionaries larger than 1MiB.
>
> Fixes: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1050582
> Signed-off-by: Martin Nybo Andersen <tweek@...ek.dk>
> ---
> scripts/Makefile.modinst | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/scripts/Makefile.modinst b/scripts/Makefile.modinst
> index c59cc57286ba..ffbafbd3aeea 100644
> --- a/scripts/Makefile.modinst
> +++ b/scripts/Makefile.modinst
> @@ -144,7 +144,7 @@ endif
> quiet_cmd_gzip = GZIP    $@
>       cmd_gzip = $(KGZIP) -n -f $<
> quiet_cmd_xz = XZ      $@
> -      cmd_xz = $(XZ) --lzma2=dict=2MiB -f $<
> +      cmd_xz = $(XZ) --check=crc32 --lzma2=dict=1MiB -f $<
> quiet_cmd_zstd = ZSTD    $@
>       cmd_zstd = $(ZSTD) -T0 --rm -f -q $<
>
> --
> 2.40.1
>
>

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