would there be any memory ordering issue ? what if the host processor has a more relaxed memory ordering then the guest. maybe memset with membarriers in between.
Xin On Wed, Jan 22, 2014 at 1:06 PM, Richard Henderson <r...@twiddle.net> wrote: > On 01/22/2014 10:58 AM, Peter Maydell wrote: >> In theory we could just find the pointer to the memory QEMU is backing >> the guest RAM with and call memset on it... > > That's more or less what we do for the s390 insn XC. > See mem_helper.c, especially mvc_fast_memset. > > > r~ >
