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Re: CVS commit: src/sys/arch/x86/x86



On 05/13/12 13:24, Martin Husemann wrote:

> On Sun, May 13, 2012 at 01:04:15PM +0200, Jean-Yves Migeon wrote:
>> Are you sure that moving to low priority xcalls is the way to go? You 
>> can end up with CPUs not being updated because they are offline.
> 
> Curiously, while I could reproduce the crash before this commit, I am
> unable to reproduce it in any testing without the actual ucode update
> happening - and I can not spot a bug in the xcall code that tries to make
> sure the number of cpus that did run the callback is == the expected count
> before returning.
> 
> This clearly needs full analyzis.


I am pleased to revert this change once this xcall(9) issue has been
fixed.

Christoph


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