Messages in this thread | | | Date | Wed, 15 Sep 2004 17:55:30 +0000 (UTC) | From | Zwane Mwaikambo <> | Subject | Re: [PATCH] remove LOCK_SECTION from x86_64 spin_lock asm |
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On Wed, 15 Sep 2004, Andrew Morton wrote:
> Zwane Mwaikambo <zwane@fsmlabs.com> wrote: > > > > William spotted this stray bit, LOCK_SECTION isn't used anymore on x86_64. > > btw, Ingo and I were scratching heads over an x86_64 oops in curent -linus > trees. > > If you enable profiling and frame pointers, profile_pc() goes splat > dereferencing the `regs' argument when it decides that the pc refers to a > lock section. Ingo said `regs' had a value of 0x2, iirc. Consider this a > bug report ;)
Yeah profile_pc on x86_64 is just broken, i'll have a look.
Thanks, Zwane
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