Re: Linux 2.6.32-rc1

From: Ingo Molnar
Date: Wed Sep 30 2009 - 15:36:05 EST



* Ingo Molnar <mingo@xxxxxxx> wrote:

> > 4 files changed, 81 insertions(+), 14 deletions(-)
> > create mode 100644 arch/x86/lib/cmpxchg8b_emu.S
>
> The two patches cause hangs on 32-bit, in sched_clock_cpu(). I
> attached the hang serial log plus the two patches as i applied them.
>
> Bug in cmpxchg8b_emu()?

... on this CPU we should be using CMPXCHG8B so cmpxchg8b_emu() shouldnt
be called.

Ingo
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