linux-kernel - Re: [PATCH] uio: make MAX_UIO_MAPS & MAX_UIO_PORT

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Message-ID: <YlZ/tK/51GiQI8uP@kroah.com>
Date:   Wed, 13 Apr 2022 09:45:56 +0200
From:   Greg KH <gregkh@...uxfoundation.org>
To:     Ramon Fried <rfried.dev@...il.com>
Cc:     LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] uio: make MAX_UIO_MAPS & MAX_UIO_PORT_REGIONS
 configurable

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@...uxfoundation.org> 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?

thanks,

greg k-h