On Mon, Mar 5, 2012 at 2:34 PM, Torvald Riegel <trie...@redhat.com> wrote: > This patch skips execution of memtransfer/memset if there actually isn't > anything to do. Calls to memcpy/memmove/memset with size==0 should be > rare I'd suppose but prior code would still treat this no-op like some > store (ml_wt was particularly bad: it would to acquire _all_ locks in > such a case due to calculating a correct exclusive upper bound anymore). > > OK for trunk? > 4.7 too?
Not before 4.7.0 please. Richard.