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| author | Phil Carmody <ext-phil.2.carmody@nokia.com> | 2010-09-14 13:34:43 -0700 |
|---|---|---|
| committer | Tony Luck <tony.luck@intel.com> | 2010-09-14 13:34:43 -0700 |
| commit | 747584be04bb98a856bab5cd1bfe56d341881b83 (patch) | |
| tree | 53852afaa1befe8e7fec2f220092ca00b8616d62 /arch/ia64 | |
| parent | bfa88ea7ee9e6b4fd673e45a8cc0a8e0b7ef4761 (diff) | |
| download | linux-3.10-747584be04bb98a856bab5cd1bfe56d341881b83.tar.gz linux-3.10-747584be04bb98a856bab5cd1bfe56d341881b83.tar.bz2 linux-3.10-747584be04bb98a856bab5cd1bfe56d341881b83.zip | |
[IA64] unwind: remove preprocesser noise, and correct comment
The expression in the comment was mis-bracketted.
There was also no need to introduce a coding-style breaking
macro for a single use, so just made it a static const.
Signed-off-by: Phil Carmody <ext-phil.2.carmody@nokia.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>
Diffstat (limited to 'arch/ia64')
| -rw-r--r-- | arch/ia64/kernel/unwind.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/arch/ia64/kernel/unwind.c b/arch/ia64/kernel/unwind.c index b6c0e63a0bf..f47217b1bb3 100644 --- a/arch/ia64/kernel/unwind.c +++ b/arch/ia64/kernel/unwind.c @@ -1204,10 +1204,10 @@ desc_spill_sprel_p (unsigned char qp, unw_word t, unsigned char abreg, unw_word static inline unw_hash_index_t hash (unsigned long ip) { -# define hashmagic 0x9e3779b97f4a7c16UL /* based on (sqrt(5)/2-1)*2^64 */ + /* magic number = ((sqrt(5)-1)/2)*2^64 */ + static const unsigned long hashmagic = 0x9e3779b97f4a7c16UL; - return (ip >> 4)*hashmagic >> (64 - UNW_LOG_HASH_SIZE); -#undef hashmagic + return (ip >> 4) * hashmagic >> (64 - UNW_LOG_HASH_SIZE); } static inline long |