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selftests/powerpc: Fix build failure of load_unaligned_zeropad test
Commit7a5692e6e5
("arch/powerpc: provide zero_bytemask() for big-endian") added a call to __fls() in our word-at-a-time.h. That was fine for the kernel build but missed the fact that we also use word-at-a-time.h in a userspace test. Pulling in the kernel version of __fls() gets messy, so just define our own, it's unlikely to change often. Fixes:7a5692e6e5
("arch/powerpc: provide zero_bytemask() for big-endian") Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
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@ -25,10 +25,19 @@
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#define FIXUP_SECTION ".ex_fixup"
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static inline unsigned long __fls(unsigned long x);
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#include "word-at-a-time.h"
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#include "utils.h"
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static inline unsigned long __fls(unsigned long x)
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{
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int lz;
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asm (PPC_CNTLZL "%0,%1" : "=r" (lz) : "r" (x));
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return sizeof(unsigned long) - 1 - lz;
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}
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static int page_size;
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static char *mem_region;
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