On Mon, Sep 14 2015, Christophe Leroy wrote: > memset() uses instruction dcbz to speed up clearing by not wasting time > loading cache line with data that will be overwritten. > Some platform like mpc52xx do no have cache active at startup and > can therefore not use memset(). Allthough no part of the code > explicitly uses memset(), GCC may makes calls to it. > > This patch modifies memset() such that at startup, memset() > unconditionally jumps to simple_memset() which doesn't use > the dcbz instruction.
I tested both v3 patches (memcpy and memset) and they work for me. Thanks -Michal -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
