Re: Is it useful to support user level drivers

[Alan Cox]

> Lastly an IRQ kernel module can disable_irq() from interrupt handler
> and enable it again only on explicit acknowledge from user.

No. The IRQ might be shared, and you get a slight problem if you just disabled
an IRQ needed to make progress for user space to handle the IRQ

-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to [EMAIL PROTECTED]
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/