Re: [PATCH] udev enhancements to use kernel event queue

Steven Dake (sdake@mvista.com)
Thu, 19 Jun 2003 16:42:40 -0700


Werner Almesberger wrote:

>Linus Torvalds wrote:
>
>
>>[ Event demons ] encourage doing everything in one program,
>>keeping state in private memory, depending on ordering, and just
>>generally do bad things.
>>
>>
>
>Well, the ordering bit is the hairy part. As long as it doesn't
>matter if an event gets lost every once in a while, and in which
>order they get processed, things are fine as they are.
>
>But then it scares me to see people start to try to design some
>general serialization mechanism on top of /sbin/hotplug
>
>
A serialization methodology can be built on /sbin/hotplug, but it has
all of the problems that Linus previously talked about for a kernel
event queue. The difference is that the problem is moved to userland.

>- Werner
>
>

-steve

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