From: greg@kroah.com (Greg KH)
To: kernelnewbies@lists.kernelnewbies.org
Subject: UIO Devices and user processes
Date: Tue, 6 Oct 2015 14:57:34 +0100 [thread overview]
Message-ID: <20151006135734.GA14218@kroah.com> (raw)
In-Reply-To: <CAK7rcp_9CxqsEHhTW6Xjyp38ir5KbeRPMYuPQoPYGcrerVWLvQ@mail.gmail.com>
On Tue, Oct 06, 2015 at 09:26:23AM -0400, Kenneth Adam Miller wrote:
> No, I didn't try it. I just wanted to ask before I got started. Thanks that
> answers everything.
>
> Any body know about the issue of assigning a process a region of physical
> memory to use for it's malloc and free? I'd like to just have the process call
> through to a UIO driver with an ioctl, and then once that's done it gets all
> it's memory from a specific region.
UIO drivers do not support ioctl, why would you need/want that? What's
wrong with just using the correct mmap/munmap logic that UIO userspace
drivers use today?
thanks,
greg k-h
next prev parent reply other threads:[~2015-10-06 13:57 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-10-05 23:07 UIO Devices and user processes Kenneth Adam Miller
2015-10-06 5:21 ` Greg KH
2015-10-06 13:26 ` Kenneth Adam Miller
2015-10-06 13:57 ` Greg KH [this message]
2015-10-06 14:03 ` Kenneth Adam Miller
2015-10-06 13:58 ` Yann Droneaud
2015-10-06 14:13 ` Kenneth Adam Miller
2015-10-06 14:32 ` Yann Droneaud
2015-10-06 14:41 ` Kenneth Adam Miller
2015-10-06 14:46 ` Kenneth Adam Miller
2015-10-06 15:04 ` Yann Droneaud
2015-10-06 15:10 ` Kenneth Adam Miller
2015-10-07 17:02 ` Greg KH
2015-10-07 18:10 ` Kenneth Adam Miller
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