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SubjectRe: [PATCH 0/2] Kexec jump: The first step to kexec base hibernation

> >Maybe my usage of terminology has some problem. But,
> >the "device
> >hibernate" here means put device into quiescent state
> >and save the
> >device state, but do not put device into low power
> >state.
> is there really enough savings (in time or otherwise) to
> make it worth splitting this into two steps? for


> but I suspect that the number of drivers where this is
> worth doing is relativly small, and it may be a better
> approach to start off with just putting everything into
> the low-power state until some drive shows up that makes
> it worth adding the intermediate state to the system

We have had this flamewar before, and linus decided 'snapshot' and
'suspend' are different operations - and he's right. Disk takes 10
seconds to suspend/resume (spindown).
(cesky, pictures)
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