Re: [DistroKit] [PATCH v2 2/4] v8a: kernel: enable initramfs in kernel config

[Johannes Zink <j.zink@pengutronix.de>]

Hi Ahmad,

On 6/9/23 15:32, Ahmad Fatoum wrote:
> On 09.06.23 12:28, Johannes Zink wrote:
>> Enable zstd compressed initramfs images for all v8a boards.
>> This allows to boot an initrd passed to the bootloader without touching
>> the rootfs on a blockdevice.
>>
>> Signed-off-by: Johannes Zink <j.zink@pengutronix.de>
>>
>> ---
>>
>> Changes:
>>
>> v1 -> v2:
>>   - as gzip generation was dropped in the previous patch, also drop it in
>>     the kernel initramfs config. Only zstd is supported for compressed
>>     initramfs now.
>> ---
>>   configs/platform-v8a/kernelconfig | 15 ++++++++++++---
>>   1 file changed, 12 insertions(+), 3 deletions(-)
>>
>> diff --git a/configs/platform-v8a/kernelconfig b/configs/platform-v8a/kernelconfig
>> index 3c0fed78de15..090c50b1dc50 100644
>> --- a/configs/platform-v8a/kernelconfig
>> +++ b/configs/platform-v8a/kernelconfig
>> @@ -205,7 +205,15 @@ CONFIG_NET_NS=y
>>   CONFIG_SCHED_AUTOGROUP=y
>>   # CONFIG_SYSFS_DEPRECATED is not set
>>   # CONFIG_RELAY is not set
>> -# CONFIG_BLK_DEV_INITRD is not set
>> +CONFIG_BLK_DEV_INITRD=y
> 
> Will probably need exception in configs/bsp.ref.

good catch, gonna add it in v3.

Johannes

> 
>> +CONFIG_INITRAMFS_SOURCE=""
>> +# CONFIG_RD_GZIP is not set
>> +# CONFIG_RD_BZIP2 is not set
>> +# CONFIG_RD_LZMA is not set
>> +# CONFIG_RD_XZ is not set
>> +# CONFIG_RD_LZO is not set
>> +# CONFIG_RD_LZ4 is not set
>> +CONFIG_RD_ZSTD=y
>>   # CONFIG_BOOT_CONFIG is not set
>>   # CONFIG_INITRAMFS_PRESERVE_MTIME is not set
>>   CONFIG_CC_OPTIMIZE_FOR_PERFORMANCE=y
>> @@ -6163,9 +6171,9 @@ CONFIG_ZLIB_INFLATE=y
>>   CONFIG_ZLIB_DEFLATE=y
>>   CONFIG_LZO_COMPRESS=m
>>   CONFIG_LZO_DECOMPRESS=m
>> -CONFIG_ZSTD_COMMON=m
>> +CONFIG_ZSTD_COMMON=y
>>   CONFIG_ZSTD_COMPRESS=m
>> -CONFIG_ZSTD_DECOMPRESS=m
>> +CONFIG_ZSTD_DECOMPRESS=y
>>   CONFIG_XZ_DEC=y
>>   CONFIG_XZ_DEC_X86=y
>>   CONFIG_XZ_DEC_POWERPC=y
>> @@ -6176,6 +6184,7 @@ CONFIG_XZ_DEC_SPARC=y
>>   # CONFIG_XZ_DEC_MICROLZMA is not set
>>   CONFIG_XZ_DEC_BCJ=y
>>   # CONFIG_XZ_DEC_TEST is not set
>> +CONFIG_DECOMPRESS_ZSTD=y
>>   CONFIG_GENERIC_ALLOCATOR=y
>>   CONFIG_INTERVAL_TREE=y
>>   CONFIG_XARRAY_MULTI=y
>>
> 

-- 
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