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SubjectRe: user-space <-> kernel-space
Followup to:  <>
By author: Henrique Gobbi <>
In newsgroup:
> Hello !!!
> I am trying to develop a line analyzer to my multi-serial card but I am not
> seeing a good solution to send data from the driver to the application in the
> user-space.
> Inittialy, I thought in use a char device, but all my minors are beeing used
> and I don't wanna to use another major.
> I'd like to know two things:
> 1 - Is there any way to use more than 256 minors under a major

Not until we get a larger dev_t.

> 2 - Is there a simple way to send data from the kernel-space to the
> user-space?

A character device node.

Use a minor from the miscdevice series.

<> at work, <> in private!
"Unix gives you enough rope to shoot yourself in the foot." <>
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