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The commit c296d4dc13ae ("asm-generic: fix a compilation warning") changed
asm-generic/cachflush.h to use static inlines instead of macros and as a
result the nds32 build with CONFIG_CPU_CACHE_ALIASING=n fails:
CC init/main.o
In file included from arch/nds32/include/asm/cacheflush.h:43,
from include/linux/highmem.h:12,
from include/linux/pagemap.h:11,
from include/linux/blkdev.h:16,
from include/linux/blk-cgroup.h:23,
from include/linux/writeback.h:14,
from init/main.c:44:
include/asm-generic/cacheflush.h:50:20: error: static declaration of 'flush_icache_range' follows non-static declaration
static inline void flush_icache_range(unsigned long start, unsigned long end)
^~~~~~~~~~~~~~~~~~
In file included from include/linux/highmem.h:12,
from include/linux/pagemap.h:11,
from include/linux/blkdev.h:16,
from include/linux/blk-cgroup.h:23,
from include/linux/writeback.h:14,
from init/main.c:44:
arch/nds32/include/asm/cacheflush.h:11:6: note: previous declaration of 'flush_icache_range' was here
void flush_icache_range(unsigned long start, unsigned long end);
^~~~~~~~~~~~~~~~~~
Surround the inline functions in asm-generic/cacheflush.h by ifdef's so
that architectures could override them and add the required overrides to
nds32.
Fixes: c296d4dc13ae ("asm-generic: fix a compilation warning")
Link: https://lore.kernel.org/lkml/201912212139.yptX8CsV%25lkp@intel.com/
Reported-by: kbuild test robot <lkp@intel.com>
Signed-off-by: Mike Rapoport <rppt@linux.ibm.com>
Reviewed-by: Greentime Hu <green.hu@gmail.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
4f0bd80813