Re: [PATCH] uio: make MAX_UIO_MAPS & MAX_UIO_PORT_REGIONS configurable

From: Ramon Fried
Date: Wed Apr 13 2022 - 03:56:19 EST


On Wed, Apr 13, 2022 at 10:46 AM Greg KH <gregkh@xxxxxxxxxxxxxxxxxxx> wrote:
>
> On Wed, Apr 13, 2022 at 10:40:09AM +0300, Ramon Fried wrote:
> > On Wed, Apr 13, 2022 at 10:28 AM Greg KH <gregkh@xxxxxxxxxxxxxxxxxxx> wrote:
> > >
> > > On Wed, Apr 13, 2022 at 10:11:37AM +0300, Ramon Fried wrote:
> > > > MAX_UIO_MAPS and MAX_UIO_PORT_REGIONS are hard-coded to 5.
> > > > This is not always sufficiant for some drivers.
> > >
> > > Why not? What in-kernel drivers need more than this?
> > Obviously kernel drivers don't need more, but I'm developing a driver
> > that needs more.
>
> Great, let's consider this change at the same time you submit your
> driver, otherwise it doesn't make much sense now, right?
NP.
>
> thanks,
>
> greg k-h