On Thu, 9 Apr 2015 01:50:23 +0200 Andi Kleen <andi@xxxxxxxxxxxxxx> wrote: > > Head is spinning a bit. As this all appears to be shiny new > > added-by-andi gcc functionality, it would be useful if we could have a > > few more words describing what it's all about. Reordering of what with > > respect to what and why and why is it bad. Why is gcc reordering > > things anyway, and what's the downside of preventing this. Why is the > > compiler reordering things rather than the linker. etc etc etc. > > Ok, let me try. That was super-useful, thanks. I slurped it into the changelog - maybe one day it will provide material for Documentation/lto-stuff.txt. Big picture: do you have a feeling for how much benefit LTO will yield in the kernel, if/when it's all completed? -- To unsubscribe from this list: send the line "unsubscribe linux-kbuild" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
