On Sat, Mar 23, 2019 at 06:45:21PM +0900, Masami Hiramatsu wrote: > On Thu, 21 Mar 2019 15:00:03 -0700 > Andi Kleen <a...@firstfloor.org> wrote: > > > From: Andi Kleen <a...@linux.intel.com> > > > > This function is referenced from assembler, so in LTO > > it needs to be global and visible to not be optimized away. > > > > I got it. > > Acked-by: Masami Hiramatsu <mhira...@kernel.org> > > Andi, out of curiousity, that is not only for x86, but > does all arch have to care it?
Yes all architectures need it for LTO, but I currently only test x86. There are some other people who made it work on ARM / MIPS / PowerPC before. -Andi
