Re: [PATCH] Fix flags for initramfs LZ4 compression

[Andrew Morton]

On Sat, 15 Feb 2014 18:14:57 -0500 "Daniel M. Weeks" <dan@xxxxxxxxxxxx> wrote:

> LZ4 as implemented in the kernel differs from the default method now
> used by the reference implementation of LZ4. Until the in-kernel method
> is updated to support the new default, passing the legacy flag (-l) to
> the compressor is necessary. Without this flag the kernel-generated,
> LZ4-compressed initramfs is junk.

Well that's bad.  Kyungsik, cuold you please comment?

> --- a/scripts/gen_initramfs_list.sh
> +++ b/scripts/gen_initramfs_list.sh
> @@ -257,7 +257,7 @@ case "$arg" in
>                  && compr="lzop -9 -f"
>  		echo "$output_file" | grep -q "\.lz4$" \
>                  && [ -x "`which lz4 2> /dev/null`" ] \
> -                && compr="lz4 -9 -f"
> +                && compr="lz4 -l -9 -f"
>  		echo "$output_file" | grep -q "\.cpio$" && compr="cat"
>  		shift
>  		;;

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/