Hi Christian,
After merging the access_once tree, today's linux-next build (arm
multi_v7_defconfig) produced lots of this warning:
In file included from include/linux/linkage.h:4:0,
from include/linux/preempt.h:9,
from include/linux/spinlock.h:50,
from include/linux/lockref.h:17,
from lib/lockref.c:2:
In function '__read_once_size',
inlined from 'lockref_get' at lib/lockref.c:50:2:
include/linux/compiler.h:216:3: warning: call to 'data_access_exceeds_word_size' declared with attribute warning: data access exceeds word size and won't be atomic
data_access_exceeds_word_size();
^
Introduced by commit 6becd6bd5e89 ("compiler.h: Fix word size check for
READ/WRITE_ONCE") presumably interacting with commit 4d3199e4ca8e
("locking: Remove ACCESS_ONCE() usage") from the tip tree.
--
Cheers,
Stephen Rothwell sfr@xxxxxxxxxxxxxxxx
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