Re: [next] [mips] spinlock.h:17:28: error: redefinition of 'queued_spin_unlock'

From: Waiman Long
Date: Wed Feb 10 2021 - 10:05:08 EST


On 2/10/21 12:30 AM, Naresh Kamboju wrote:
While building Linux next tag 20210209 mips uImage.gz failed with below configs

- mips (cavium_octeon_defconfig) with gcc-8, gcc-9 and gcc-10 - FAILED
- mips (malta_defconfig) with gcc-8, gcc-9 and gcc-10 - FAILED
- mips (nlm_xlp_defconfig) with gcc-8, gcc-9 and gcc-10 - FAILED
- mips (defconfig) with gcc-8, gcc-9 and gcc-10 - FAILED

make --silent --keep-going --jobs=8
O=/home/tuxbuild/.cache/tuxmake/builds/1/tmp ARCH=mips
CROSS_COMPILE=mips-linux-gnu- 'CC=sccache mips-linux-gnu-gcc'
'HOSTCC=sccache gcc' uImage.gz
In file included from /include/linux/spinlock.h:90,
from /include/linux/ipc.h:5,
from /include/uapi/linux/sem.h:5,
from /include/linux/sem.h:5,
from /include/linux/compat.h:14,
from /arch/mips/kernel/asm-offsets.c:12:
/arch/mips/include/asm/spinlock.h:17:28: error: redefinition of
'queued_spin_unlock'
17 | #define queued_spin_unlock queued_spin_unlock
| ^~~~~~~~~~~~~~~~~~

Reported-by: Naresh Kamboju <naresh.kamboju@xxxxxxxxxx>

build link,
https://builds.tuxbuild.com/1oF9lkBAeWM2WvR11O2Yun8ERNT/

I have just posted a patch to reorder qspinlock.h and qrwlock.h include ordering. Hopefully that can fix the compilation problem though I don't have a mips building environment to verify that.

Cheers,
Longman