On Wed, 2015-03-04 at 13:13 -0800, Kees Cook wrote: > > I had a question in the powerpc-specific change that may have gone unnoticed: > > Can mmap ASLR be safely enabled in the legacy mmap case here? Other archs > use "mm->mmap_base = TASK_UNMAPPED_BASE + random_factor". > > Separate from this series, do you happen to know if this improvement > can be made, or if the legacy mmap on powerpc can't handle this? Yeah I saw that. The short answer is I'm not sure. I assume we have that distinction for some good reason, but whether we still need it I don't know. I'll dig a bit and see if anyone can remember the details. cheers
