Re: [PATCH] ARM: imx_v6_v7_defconfig: Remove KERNEL_LZO config

[Shawn Guo]

On Wed, May 24, 2023 at 08:48:26AM +0200, Arnd Bergmann wrote:
> On Tue, May 23, 2023, at 23:28, Otavio Salvador wrote:
> > The KERNEL_GZIP is used in most config and is the default, there is no
> > clear reason to diverge so let default be used.
> >
> > Signed-off-by: Otavio Salvador <otavio@xxxxxxxxxxxxxxxx>
> 
> I don't mind that change, but it seems odd to single this one out, as
> there are many other options in that particular defconfig that
> stick out more, picking LZO seems like a reasonable choice for slightly
> faster booting, though ZSTD would be the more modern choice.
> 
> If you are looking into cleaning up this file, maybe see if we can
> kill off these options:
> 
> CONFIG_EXPERT=y
> CONFIG_ARCH_FORCE_MAX_ORDER=13
> CONFIG_CMDLINE="noinitrd console=ttymxc0,115200"
> CONFIG_CS89x0_PLATFORM=y # none of these four are in dts files
> CONFIG_SMC91X=y
> CONFIG_SMC911X=y
> CONFIG_SMSC911X=y
> CONFIG_STAGING=y
> CONFIG_STAGING_MEDIA=y
> CONFIG_VIDEO_IMX_MEDIA=y # not graduated from staging after 6 years
> CONFIG_EXT2_FS=y
> CONFIG_EXT3_FS=y # select EXT4 instead
> CONFIG_ISO9660_FS=m
> 
> I have not investigated why any of them were added originally,
> so it's likely that some are actually needed.

Otavio,

Would you investigate the suggested options and see if we can clean up
more than just KERNEL_LZO?

Shawn