Hi Michael, After merging the vhost tree, today's linux-next build (powerpc ppc64_defconfig) failed like this:
In file included from arch/powerpc/include/asm/uaccess.h:12:0,
from arch/powerpc/lib/checksum_wrappers_64.c:24:
include/asm-generic/uaccess.h: In function 'might_fault':
include/asm-generic/uaccess.h:36:2: error: implicit declaration of function
'segment_eq' [-Werror=implicit-function-declaration]
if (_might_fault())
^
include/asm-generic/uaccess.h:36:2: error: implicit declaration of function
'get_fs' [-Werror=implicit-function-declaration]
include/asm-generic/uaccess.h:29:47: error: 'KERNEL_DS' undeclared (first use
in this function)
#define _might_fault() (!segment_eq(get_fs(), KERNEL_DS) && !in_atomic())
^
include/asm-generic/uaccess.h:36:6: note: in expansion of macro '_might_fault'
if (_might_fault())
^
and many, many more.
Caused by commit d198a8acf543 ("kernel: might_fault does not imply
might_sleep").
I have used the version of the vhost tree from next-20130521 for today.
It was unexpected that such patches would turn up in the "vhost" tree ...
--
Cheers,
Stephen Rothwell s...@canb.auug.org.au
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