diff options
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/div64.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/lib/div64.c b/lib/div64.c index 7abc68c333..62933c92c4 100644 --- a/lib/div64.c +++ b/lib/div64.c @@ -25,7 +25,13 @@ #if BITS_PER_LONG == 32 #ifndef __div64_32 -u32 __attribute__((weak)) __div64_32(u64 *n, u32 base) +/* + * Don't instrument this function as it may be called from tracing code, since + * it needs to read the timer and this often requires calling do_div(), which + * calls this function. + */ +uint32_t __attribute__((weak, no_instrument_function)) __div64_32(u64 *n, + u32 base) { u64 rem = *n; u64 b = base; |