On Thu, May 29, 2014 at 12:26 AM, Rusty Russell <ru...@rustcorp.com.au> wrote:
> Results (x86-64, Minchan's .config):
>
> gcc 4.8.2: virtio_blk: stack used = 392
> gcc 4.6.4: virtio_blk: stack used = 528
I wonder if that's just random luck (although 35% more stack use seems
to be bigger than "random" - that's quite a big difference), or
whether the gcc guys are aware of having fixed some major stack spill
issue.
But yeah, Minchan uses gcc 4.6.3 according to one of his emails, so
_part_ of his stack smashing is probably due to compiler version.
Linus
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