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SubjectRe: Real-Time Preemption, -RT-2.6.12-final-V0.7.50-24

* Steven Rostedt <rostedt@goodmis.org> wrote:

> Although turning off apm works, this is a fix to the symptom and not a
> cure. Has someone already taken a look at this code? Since
> apm_bios_call_simple calls local_save_flags and afterwards
> raw_lock_irq_restore is then called. Shouldn't that have been
> raw_local_save_flags?

ah, indeed. I fixed this bug and have uploaded the -50-26 patch. Chuck,
does this fix the APM problems for you?

> That apm_bios_call_simple_asm also looks pretty scary! I haven't yet
> figured out how APM_FUNC_VERSION becomes a normal function.

it's all black magic, so when hacking that code i always close my eyes.
(that's how the bug got introduced)

Ingo
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