On Wed, Apr 6, 2016 at 1:44 PM, Paolo Bonzini <pbonz...@redhat.com> wrote: > > > On 05/04/2016 22:09, Lluís Vilanova wrote: >> Ah. That's just an example. For cross-compilation you would use a different >> march argument (or none to use the default target sub-arch) and get the >> parameter for the target processor. This should already be known by >> configure as >> part of the arguments to select the cross-compiler and target architecture >> (e.g., CC). > > I would just use 64, with special cases for PPC and s390... even for > AArch64 128 seems a little wasteful.
As far as I know, the only AArch64 CPU to have 128-byte cache line is Cavium ThunderX (it seems to also be the case for Cavium MIPS-based CPU). Laurent
