Messages in this thread | | | Date | Sun, 31 Aug 2014 15:32:19 -0700 | From | Arjan van de Ven <> | Subject | Re: [RFC v1 0/3] driver-core: add asynch module loading support |
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On 8/31/2014 1:06 PM, 吴章金 wrote: > Hi, folks > > I'm back to this discussion, > > The original requirement of my first RFC patchset is mainly for Android Smartphone use case: > > 1. We want light on LCD and draw a logo immediately after power key press(don't consider uboot or lk biotloader here). > 2. We want the whole kernel boot fast to give user the Android Launch deaktop > 3. The modem initialization/reset is slow > 4. The Touchpad firmware upgrade is slow > 5. We have many cpu cores(up to 8 in latest exynos 5430 and MT6595...) > 6. We have few schedulable/parallellizable threads > 7. We compiled all of the modules in the kernel(stupid? avoid modprobe...but lose parallelization in userspace) > > So, I think about is that possible to async most of the probes, but still reserve the requred dependencies to let them still work as expected.
you can boot a whole kernel including all graphics in less than 0.5 seconds, even without this patchset.
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