On 2011-06-20 19:33, Gilles Chanteperdrix wrote:
> On 06/20/2011 06:43 PM, Jan Kiszka wrote:
>> On 2011-06-19 17:41, Gilles Chanteperdrix wrote:
>>> Merged your whole branch, but took the liberty to change it a bit
>>> (replacing the commit concerning unlocked context switches with comments
>>> changes only, and changing the commit about xntbase_tick).
>> What makes splmax() redundant for the unlocked context switch case? IMO
>> that bug is still present.
> No, the bug is between my keyboard and chair. On architectures with
> unlocked context switches, the Linux task switch still happens with irqs
> off, only the mm switch happens with irqs on.

Then why do we call xnlock_get_irqsave in
xnsched_finish_unlocked_switch? Why not simply xnlock_get if irqs are
off anyway?


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