Messages in this thread | ![/](/images/icornerl.gif) | | Date | Fri, 07 Aug 2009 09:51:08 -0600 | From | "Chris Friesen" <> | Subject | Re: [PATCH] Driver Core: devtmpfs - kernel-maintained tmpfs-based /dev |
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Greg KH wrote: > On Fri, Aug 07, 2009 at 08:04:08AM +0300, Al Boldi wrote:
>> The question is, how fast can devtmpfs get the device list from the kernel on >> bootup? How much faster than udev? How much slower than static /dev? > > It's much faster than udev, and is equivalent to a static /dev with the > exception that the group and permission settings that you are used to. > udev then needs to come along and make those settings, but that's so > frickin fast it's amazing.
Earlier in the thread you indicated a 0.5sec speedup over udev. Is that really considered "much faster"?
I do agree that it makes sense to do this, but more from an elegance view than a performance one.
Chris
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