On Fri, Jan 22, 2016 at 06:52:01AM +0000, Wang Nan wrote: > On s390 with CONFIG_WARN_DYNAMIC_STACK set, 'uses dynamic stack > allocation' warning is issued when defining 'struct perf_sample_data' > local variable. > > This patch suppress this warning by allocating extra 255 bytes and > compute aligned pointer manually.
I've seen the warning and always wondered wtf it was about. This Changelog doesn't actually explain what the problem is, so I cannot judge the solution. That said, 255 extra bytes does sound excessive just to avoid a warn.
