Messages in this thread | | | From | Alexander_Maryanchick% | Date | Wed, 7 Jul 1999 17:12:02 +0400 | Subject | Re: [RFD] New driver system (was Adding new syscalls via modules) |
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>> While we spend time rewritting patches, M$ distributes drivers :-(. > Anybody who thinks NT's installable filesystem driver interface is > better than Linux's is living on a planet I'm not familiar with. NT is bad... but while we spend time rewritting the whole kernel due to patches, M$ distributes drivers :-(.
>> 2. We must be ready to move the drivers to Ring1 and Ring2 >> when hardware (Merced?) will be acceptable quick for this. > Say goodbye to performance. 1. How % of perfomance will be lost if Pentium-5 task switch will get 3 tacts? 2. How % of perfomance do you ready to pay for additional reliability. Note: I know that Pentium-5 does not exists :-). I speak about extensibility, which can help us in the future.
>> 3. New drivers must have rights to register new services >> (syscalls?) > They can. ioctls let them register arbitrary new auxilliary services. >> 4. New drivers must have an interface to be transparently intercepted. > It's called the "VFS". It works. Cool. So why do we still distribute patches?
P.S. As I see, my idea of new driver system is not very popular. Well, may be I'm wrong. But I hope you'll change you opinion in the future.
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