ACK: [UNSTABLE][IMPISH][PATCH] UBUNTU: [Config] enforce ZSTD compression

[Tim Gardner]

Acked-by: Tim Gardner <tim.gardner at canonical.com>

On 8/24/21 9:32 AM, Dimitri John Ledkov wrote:
> BugLink: https://bugs.launchpad.net/bugs/1931725
> 
> Previously v5.13+ based kernels enabled ZSTD kernel image compression
> on amd64 & s390x. Due to significant bootspeed impact this change
> should be enforced for all derivatives as well. Not all derivatives
> currently inherit and enforce all annotations from parent config.
> 
> Fixes: f88bdfaeaf ("UBUNTU: [Packaging] use ZSTD to compress s390 kernels")
> Signed-off-by: Dimitri John Ledkov <dimitri.ledkov at canonical.com>
> ---
>   debian.master/config/annotations | 2 ++
>   1 file changed, 2 insertions(+)
> 
> diff --git a/debian.master/config/annotations b/debian.master/config/annotations
> index 22d07b3661..c9c451e95f 100644
> --- a/debian.master/config/annotations
> +++ b/debian.master/config/annotations
> @@ -11371,6 +11371,8 @@ CONFIG_KERNEL_LZO                               policy<{'amd64': 'n', 'armhf': '
>   CONFIG_KERNEL_LZ4                               policy<{'amd64': 'n', 'armhf': 'n', 's390x': 'n'}>
>   CONFIG_KERNEL_ZSTD                              policy<{'amd64': 'y', 's390x': 'y'}>
>   CONFIG_KERNEL_UNCOMPRESSED                      policy<{'s390x': 'n'}>
> +#
> +CONFIG_KERNEL_ZSTD                              mark<ENFORCED> note<LP:#1931725>
>   
>   # Menu: General setup >> Namespaces support
>   CONFIG_NAMESPACES                               policy<{'amd64': 'y', 'arm64': 'y', 'armhf': 'y', 'ppc64el': 'y', 's390x': 'y'}>
> 

-- 
-----------
Tim Gardner
Canonical, Inc