23/07/2021 17:45, Stephen Hemminger: > The first argument to rte_bsf32_safe was incorrectly declared as > a 64 bit value. The code only works on 32 bit values and the underlying > function rte_bsf32 only accepts 32 bit values. This was a mistake > introduced when the safe version was added and probably cause > by copy/paste from the 64 bit version. > > The bug passed silently under the radar until some other code was > built with -Wall and -Wextra in C++ and C++ complains about the > missing cast. > > Yes, this is a API signature change, but the original code was wrong. > It is an inline so not an ABI change. > > Fixes: 4e261f551986 ("eal: add 64-bit bsf and 32-bit safe bsf functions") > Cc: anatoly.bura...@intel.com > Signed-off-by: Stephen Hemminger <step...@networkplumber.org> > Acked-by: Tyler Retzlaff <roret...@linux.microsoft.com>
+Cc: sta...@dpdk.org Applied, thanks. I think these functions lack a reference to the name Bit Scan Forward.