Hi Andrew,
After merging the akpm-current tree, today's linux-next build (powerpc
allyesconfig) failed like this:
lib/test_user_copy.c: In function 'test_user_copy_init':
lib/test_user_copy.c:111:2: error: implicit declaration of function 'csum_partial_copy_from_user' [-Werror=implicit-function-declaration]
csum_partial_copy_from_user(usermem, kmem, PAGE_SIZE, 0, &err);
^
Caused by commit
0b6e2917b6fc ("lib/test_user_copy.c: check user checksum functions")
It looks like PowerPC 64 bit has an implementation of
csum_and_copy_from_user() that does not use csum_partial_copy_from_user()
and so this latter does not exist. You need to check for
_HAVE_ARCH_COPY_AND_CSUM_FROM_USER.
I have reverted that commit for today.
--
Cheers,
Stephen Rothwell sfr@xxxxxxxxxxxxxxxx
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