Re: [PATCH] generic-ipi: fix deadlock in __smp_call_function_single
From: Ingo Molnar
Date: Sun Sep 26 2010 - 04:43:10 EST
* Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> wrote:
> Maybe. Or maybe it papers over a scheduler bug by gratuitously adding
> additional code which no present callsites actually need.
Hm, indeed.
We now have the scheduler bug fixed upstream. Do we really need this
patch?
> The patch didn't update the __smp_call_function_single() kerneldoc.
> Compare it with smp_call_function_single() and note the subtle
> difference between "a specific CPU" and the now incorrect "on another
> CPU".
In any case this feedback didnt get addressed AFAICS.
Ingo
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