[rcu:rcu/urgent 11/11] include/linux/kvm_host.h:430:21: error: field 'srcu' has incomplete type
From: kbuild test robot
Date: Sun Apr 23 2017 - 14:57:36 EST
tree: https://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu.git rcu/urgent
head: 746ec1f689abc74dca72fdce4134decdbfaec295
commit: 746ec1f689abc74dca72fdce4134decdbfaec295 [11/11] srcu: Fix Kconfig botch when SRCU not selected
config: s390-allnoconfig (attached as .config)
compiler: s390x-linux-gnu-gcc (Debian 6.1.1-9) 6.1.1 20160705
reproduce:
wget https://raw.githubusercontent.com/01org/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
git checkout 746ec1f689abc74dca72fdce4134decdbfaec295
# save the attached .config to linux build tree
make.cross ARCH=s390
All errors (new ones prefixed by >>):
In file included from include/linux/notifier.h:15:0,
from include/linux/memory_hotplug.h:6,
from include/linux/mmzone.h:749,
from include/linux/gfp.h:5,
from include/linux/mm.h:9,
from include/linux/kvm_host.h:17,
from arch/s390/kernel/asm-offsets.c:10:
include/linux/srcu.h:66:2: error: #error "Unknown SRCU implementation specified to kernel configuration"
#error "Unknown SRCU implementation specified to kernel configuration"
^~~~~
In file included from include/linux/memory_hotplug.h:6:0,
from include/linux/mmzone.h:749,
from include/linux/gfp.h:5,
from include/linux/mm.h:9,
from include/linux/kvm_host.h:17,
from arch/s390/kernel/asm-offsets.c:10:
include/linux/notifier.h:77:21: error: field 'srcu' has incomplete type
struct srcu_struct srcu;
^~~~
In file included from arch/s390/kernel/asm-offsets.c:10:0:
>> include/linux/kvm_host.h:430:21: error: field 'srcu' has incomplete type
struct srcu_struct srcu;
^~~~
>> include/linux/kvm_host.h:431:21: error: field 'irq_srcu' has incomplete type
struct srcu_struct irq_srcu;
^~~~~~~~
make[2]: *** [arch/s390/kernel/asm-offsets.s] Error 1
make[2]: Target '__build' not remade because of errors.
make[1]: *** [prepare0] Error 2
make[1]: Target 'prepare' not remade because of errors.
make: *** [sub-make] Error 2
vim +/srcu +430 include/linux/kvm_host.h
e930bffe include/linux/kvm_host.h Andrea Arcangeli 2008-07-25 424 long mmu_notifier_count;
e930bffe include/linux/kvm_host.h Andrea Arcangeli 2008-07-25 425 #endif
a086f6a1 include/linux/kvm_host.h Xiao Guangrong 2014-04-17 426 long tlbs_dirty;
07f0a7bd include/linux/kvm_host.h Scott Wood 2013-04-25 427 struct list_head devices;
536a6f88 include/linux/kvm_host.h Janosch Frank 2016-05-18 428 struct dentry *debugfs_dentry;
536a6f88 include/linux/kvm_host.h Janosch Frank 2016-05-18 429 struct kvm_stat_data **debugfs_stat_data;
6ade8694 include/linux/kvm_host.h Paul E. McKenney 2017-04-20 @430 struct srcu_struct srcu;
6ade8694 include/linux/kvm_host.h Paul E. McKenney 2017-04-20 @431 struct srcu_struct irq_srcu;
6aa8b732 drivers/kvm/kvm.h Avi Kivity 2006-12-10 432 };
6aa8b732 drivers/kvm/kvm.h Avi Kivity 2006-12-10 433
a737f256 include/linux/kvm_host.h Christoffer Dall 2012-06-03 434 #define kvm_err(fmt, ...) \
:::::: The code at line 430 was first introduced by commit
:::::: 6ade8694f471d847500c7cec152cc15171cef5d5 kvm: Move srcu_struct fields to end of struct kvm
:::::: TO: Paul E. McKenney <paulmck@xxxxxxxxxxxxxxxxxx>
:::::: CC: Paul E. McKenney <paulmck@xxxxxxxxxxxxxxxxxx>
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