diff options
| author | Ingo Molnar <mingo@elte.hu> | 2010-04-08 11:06:12 +0400 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2010-04-08 12:18:47 +0400 |
| commit | c1ab9cab75098924fa8226a8a371de66977439df (patch) | |
| tree | 767e77302ca8f2eb781c60624bc8518cd50ba6eb /arch/microblaze/lib/memset.c | |
| parent | ff0ff84a0767df48d728c36510365344a7e7d582 (diff) | |
| parent | f5284e7635787224dda1a2bf82a4c56b1c75671f (diff) | |
| download | linux-c1ab9cab75098924fa8226a8a371de66977439df.tar.xz | |
Merge branch 'linus' into tracing/core
Conflicts:
include/linux/module.h
kernel/module.c
Semantic conflict:
include/trace/events/module.h
Merge reason: Resolve the conflict with upstream commit 5fbfb18 ("Fix up
possibly racy module refcounting")
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/microblaze/lib/memset.c')
| -rw-r--r-- | arch/microblaze/lib/memset.c | 15 |
1 files changed, 8 insertions, 7 deletions
diff --git a/arch/microblaze/lib/memset.c b/arch/microblaze/lib/memset.c index 4df851d41a29..ecfb663e1fc1 100644 --- a/arch/microblaze/lib/memset.c +++ b/arch/microblaze/lib/memset.c @@ -33,22 +33,23 @@ #ifdef __HAVE_ARCH_MEMSET void *memset(void *v_src, int c, __kernel_size_t n) { - char *src = v_src; #ifdef CONFIG_OPT_LIB_FUNCTION uint32_t *i_src; - uint32_t w32; + uint32_t w32 = 0; #endif /* Truncate c to 8 bits */ c = (c & 0xFF); #ifdef CONFIG_OPT_LIB_FUNCTION - /* Make a repeating word out of it */ - w32 = c; - w32 |= w32 << 8; - w32 |= w32 << 16; + if (unlikely(c)) { + /* Make a repeating word out of it */ + w32 = c; + w32 |= w32 << 8; + w32 |= w32 << 16; + } - if (n >= 4) { + if (likely(n >= 4)) { /* Align the destination to a word boundary */ /* This is done in an endian independant manner */ switch ((unsigned) src & 3) { |