> Add device_pm_lock() and device_pm_unlock() in kernel_kexec() to be > in sync with current hibernation implementation. > > Signed-off-by: Huang Ying <ying.huang at intel.com> > > --- > kernel/kexec.c | 2 ++ > 1 file changed, 2 insertions(+) > > --- a/kernel/kexec.c > +++ b/kernel/kexec.c > @@ -1457,6 +1457,7 @@ int kernel_kexec(void) > error = disable_nonboot_cpus(); > if (error) > goto Resume_devices; > + device_pm_lock(); > local_irq_disable(); > /* At this point, device_suspend() has been called, > * but *not* device_power_down(). We *must* > @@ -1485,6 +1486,7 @@ int kernel_kexec(void) > device_power_up(PMSG_RESTORE); > Enable_irqs: > local_irq_enable(); > + device_pm_unlock(); > enable_nonboot_cpus(); > Resume_devices: > device_resume(PMSG_RESTORE); > Would it be possible to create common function for hibernation and kexec? Keeping complex stuff like this in sync is ugly. Pavel -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
