Messages in this thread | | | From | "H. Peter Anvin" <> | Subject | Re: user-space <-> kernel-space | Date | 14 Feb 2002 18:14:38 -0800 |
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Followup to: <02021411333501.00959@henrique.cyclades.com.br> By author: Henrique Gobbi <henrique@cyclades.com> In newsgroup: linux.dev.kernel > > 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.
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