[Xen-devel] preempt_disable() imbalance in take_machine_down()? [linux-2.6.18-xen.hg]

[Laszlo Ersek <lersek@xxxxxxxxxx>]

Hi,

please excuse the lame question.

Looking at take_machine_down() and __xen_suspend() in 
"drivers/xen/core/machine_reboot.c", assuming "fast_suspend" is false, 
it seems that after the loop in take_machine_down() completes, 
preempt_enable() is never called. Is this intentional? If so, how/why 
does it work?
Thank you very much,
Laszlo Ersek

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