Hello Stephen, On Fri, Mar 1, 2024 at 12:00 AM Stephen Hemminger <step...@networkplumber.org> wrote: > > The DPDK has a lot of "cargo cult" usage of rte_memcpy. > This patch set replaces cases where rte_memcpy is used with a fixed > size constant size. > > Typical example is: > rte_memcpy(mac_addrs, mac.addr_bytes, RTE_ETHER_ADDR_LEN); > which can be replaced with: > memcpy(mac_addrs, mac.addr_bytes, RTE_ETHER_ADDR_LEN); > > This has two benefits. Gcc (and clang) are smart enough that for > all small fixed size values, they just generate the necessary instructions > to do it inline. It also means that fortify, Coverity, and ASAN > analyzers can check these memcpy's. > > So faster, better, safer. > > The first patch is a simple coccinelle script to do the replacement > and the rest are the results broken out by module. > > The coccinelle script can be used again to make sure more bad > usage doesn't creep in with new drivers.
There is a build issue reported by the CI, please fix and submit a new revision. -- David Marchand
