On Fri, 16 Sep 2005, Arjan van de Ven wrote:
>
> On Fri, Sep 16, 2005 at 11:24:08PM +0200, Martin Drab wrote:
> >
> > And would that help anyhow?
>
> yes it would
>
> > (obtained via the RT FIFO) that he wants to mmap, the ioctl mmaps it to
> > the app., app. uses the data, and then calls another ioctl to unmap the
> > buffer and release it for next filling.
>
> don't use ioctls for this; the driver can just provide an mmap method and
> you can map this pci alloc'd ram straight into the userspace app...
OK, will do. Thaks.
Martin
-
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/
[Index of Archives]
[Kernel Newbies]
[Netfilter]
[Bugtraq]
[Photo]
[Gimp]
[Yosemite News]
[MIPS Linux]
[ARM Linux]
[Linux Security]
[Linux RAID]
[Video 4 Linux]
[Linux for the blind]
|
|