From: Akinobu Mita Date: Tue, 5 Oct 2010 15:55:29 +0000 (+0900) Subject: tile: replace some BUG_ON checks with BUILD_BUG_ON checks X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=de5bbad6770882209b0ac58b0ba9259a98cfb953;p=linux-beck.git tile: replace some BUG_ON checks with BUILD_BUG_ON checks Some BUG_ON checks can be detected at compile time rather than at runtime. Signed-off-by: Akinobu Mita Signed-off-by: Chris Metcalf --- diff --git a/arch/tile/lib/atomic_32.c b/arch/tile/lib/atomic_32.c index 8040b42a8eea..7a5cc706ab62 100644 --- a/arch/tile/lib/atomic_32.c +++ b/arch/tile/lib/atomic_32.c @@ -300,7 +300,7 @@ void __init __init_atomic_per_cpu(void) #else /* ATOMIC_LOCKS_FOUND_VIA_TABLE() */ /* Validate power-of-two and "bigger than cpus" assumption */ - BUG_ON(ATOMIC_HASH_SIZE & (ATOMIC_HASH_SIZE-1)); + BUILD_BUG_ON(ATOMIC_HASH_SIZE & (ATOMIC_HASH_SIZE-1)); BUG_ON(ATOMIC_HASH_SIZE < nr_cpu_ids); /* @@ -314,17 +314,17 @@ void __init __init_atomic_per_cpu(void) BUG_ON((unsigned long)atomic_locks % PAGE_SIZE != 0); /* The locks must all fit on one page. */ - BUG_ON(ATOMIC_HASH_SIZE * sizeof(int) > PAGE_SIZE); + BUILD_BUG_ON(ATOMIC_HASH_SIZE * sizeof(int) > PAGE_SIZE); /* * We use the page offset of the atomic value's address as * an index into atomic_locks, excluding the low 3 bits. * That should not produce more indices than ATOMIC_HASH_SIZE. */ - BUG_ON((PAGE_SIZE >> 3) > ATOMIC_HASH_SIZE); + BUILD_BUG_ON((PAGE_SIZE >> 3) > ATOMIC_HASH_SIZE); #endif /* ATOMIC_LOCKS_FOUND_VIA_TABLE() */ /* The futex code makes this assumption, so we validate it here. */ - BUG_ON(sizeof(atomic_t) != sizeof(int)); + BUILD_BUG_ON(sizeof(atomic_t) != sizeof(int)); }