lkml.org 
[lkml]   [2020]   [Apr]   [7]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
SubjectRe: BUG: mips: errors when compiling kernel with a large initramfs
From
Date

On 4/7/20 6:21 PM, YunQiang Su wrote:
> Xu, Yanfei <yanfei.xu@windriver.com> 于2020年4月7日周二 下午5:58写道:
>> Hi,
>>
>>
>> It fails to compile mips kernel with large initramfs (at link time).
>>
>> kernel version: 5.6.0
>>
>>
>> Steps to reproduce:
>>
>> 1. git clone mainline kernel
>>
>> 2. set ARCH=mips and CROSS_COMPILE=mips-linux-gnu-
>>
>> 3. make defconfig
>>
>> 4.enable initramfs support and set the path about initramfs source file
>>
>> 5.make -j24
>>
>> [KEY] when your initramfs files is too large, and cause
>> usr/initramfs_data.cpio.gz
>>
>> compiled is larger than 225M, you will get the following error. BTW, x86
>> doesn't
> It is due to the JAL insn can only support <256MiB jump
>
>> have this issue that I have tested.
>>
>> ------------------------------error
>> messages-----------------------------------------
>>
>> CHK include/generated/compile.h
>> LD vmlinux.o
>> MODPOST vmlinux.o
>> MODINFO modules.builtin.modinfo
>> GEN modules.builtin
>> LD .tmp_vmlinux.kallsyms1
>> kernel/configs.o: In function `ikconfig_cleanup':
>> /home/wrsadmin/work/linux/kernel/linux-master/kernel/configs.c:72:(.exit.text+0x8):
>> relocation truncated to fit: R_MIPS_26 against `remove_proc_entry'
>> fs/binfmt_script.o: In function `exit_script_binfmt':
>> /home/wrsadmin/work/linux/kernel/linux-master/fs/binfmt_script.c:165:(.exit.text+0x4):
>> relocation truncated to fit: R_MIPS_26 against `unregister_binfmt'
>> fs/binfmt_elf.o: In function `exit_elf_binfmt':
>> /home/wrsadmin/work/linux/kernel/linux-master/fs/binfmt_elf.c:2393:(.exit.text+0x4):
>> relocation truncated to fit: R_MIPS_26 against `unregister_binfmt'
>> fs/mbcache.o: In function `mbcache_exit':
>> /home/wrsadmin/work/linux/kernel/linux-master/fs/mbcache.c:429:(.exit.text+0x4):
>> relocation truncated to fit: R_MIPS_26 against `kmem_cache_destroy'
>> fs/nfs_common/grace.o: In function `exit_grace':
>> /home/wrsadmin/work/linux/kernel/linux-master/fs/nfs_common/grace.c:133:(.exit.text+0x4):
>> relocation truncated to fit: R_MIPS_26 against `unregister_pernet_subsys'
>> fs/ext4/super.o: In function `ext4_destroy_lazyinit_thread':
>> /home/wrsadmin/work/linux/kernel/linux-master/fs/ext4/super.c:3456:(.exit.text+0x24):
>> relocation truncated to fit: R_MIPS_26 against `kthread_stop'
>> fs/ext4/super.o: In function `unregister_as_ext2':
>> /home/wrsadmin/work/linux/kernel/linux-master/fs/ext4/super.c:6126:(.exit.text+0x30):
>> relocation truncated to fit: R_MIPS_26 against `unregister_filesystem'
>> fs/ext4/super.o: In function `unregister_as_ext3':
>> /home/wrsadmin/work/linux/kernel/linux-master/fs/ext4/super.c:6155:(.exit.text+0x3c):
>> relocation truncated to fit: R_MIPS_26 against `unregister_filesystem'
>> fs/ext4/super.o: In function `ext4_exit_fs':
>> /home/wrsadmin/work/linux/kernel/linux-master/fs/ext4/super.c:6261:(.exit.text+0x48):
>> relocation truncated to fit: R_MIPS_26 against `unregister_filesystem'
>> fs/ext4/super.o: In function `destroy_inodecache':
>> /home/wrsadmin/work/linux/kernel/linux-master/fs/ext4/super.c:1218:(.exit.text+0x50):
>> relocation truncated to fit: R_MIPS_26 against `rcu_barrier'
>> /home/wrsadmin/work/linux/kernel/linux-master/fs/ext4/super.c:1219:(.exit.text+0x5c):
>> additional relocation overflows omitted from the output
>> Makefile:1086: recipe for target 'vmlinux' failed
>> make[1]: *** [vmlinux] Error 1
>> Makefile:1058: recipe for target 'autoksyms_recursive' failed
>> make: *** [autoksyms_recursive] Error 2
>>
>>
>> Any comment will be appreciated.
> Maybe, you can have a try add `-mlong-calls' to your CFLAGS.
> I am not sure that it can work.
> https://gcc.gnu.org/onlinedocs/gcc/MIPS-Options.html

Ha, It does work. Many thanks!

Yanfei

>> Thanks,
>>
>> Yanfei
>>
>

\
 
 \ /
  Last update: 2020-04-07 14:55    [W:0.032 / U:11.164 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site