[LEDE-DEV] ar71xx kernel size starts getting oversized

[John Crispin]

On 17/06/2016 10:10, Yousong Zhou wrote:
> On 4 June 2016 at 12:49, Yousong Zhou <yszhou4tech at gmail.com> wrote:
>> Several days ago I tried to build a firmware for HiWiFi-HC6361 with
>> LEDE master branch.  Yet the firmware was not present in
>> bin/targets/ar71xx/generic after the build completed.  I checked the
>> downloads.lede-project.org the firmware was also missing there.
>>
>> The problem is that mtdparts layout of HC6361 requires the kernel part
>> to be not bigger than 1280KB (1310720 bytes).  Yet the lzma-compressed
>> kernel uImage has exceeded this size limit.
>>
>> The current size of lede-ar71xx-generic-uImage-lzma.bin in
>> downloads.lede-project.org is 1367988
>>
>> The corresponding file in OpenWrt downloads site are as follows
>>
>>     snapshot         1295637
>>     15.05.1            1176662
>>     14.07               1107048
>>
>> My device is currently running 4.1.16 with OpenWrt r48975.  So the
>> bloat probably comes from the 4.4 bump.  Sorry that at the moment I
>> can just bring the issue up and cannot find time to do further
>> investigation.
> 
> Comparing config-4.1 before the bump with config-4.4, and config-3.10
> from bb branch and config-4.4, it seems that the size increase
> probably comes from Open Firmware device tree support recently
> introduced to ath79 mach  :(
> 
>                 yousong
> 
>>
>> Regards
>>
>>                 yousong
> 

i plan to work on converting the target to full dts support after the
release. this will safe us around 25k of mach files and platform code in
the kernel

	John


> _______________________________________________
> Lede-dev mailing list
> Lede-dev at lists.infradead.org
> http://lists.infradead.org/mailman/listinfo/lede-dev
>