From: greg@kroah.com (Greg KH)
To: kernelnewbies@lists.kernelnewbies.org
Subject: UIO Devices and user processes
Date: Tue, 6 Oct 2015 06:21:57 +0100 [thread overview]
Message-ID: <20151006052157.GA16343@kroah.com> (raw)
In-Reply-To: <CAK7rcp8Jg6AdJkmTXR+NWWqw6Au7zjAoE796fvubPhzJD5bf-w@mail.gmail.com>
On Mon, Oct 05, 2015 at 07:07:51PM -0400, Kenneth Adam Miller wrote:
> So, I'm reading about UIO devices and user processes for mapping memory into
> userland, and basically I have just a couple questions:
>
> What happens when a userland processes has allocated some resource from a
> driver that is facilitating UIO, but then subsequently crashes? I'd like to
> know that the driver can (or how you would enable such) recover the resources
> so that the next user process can acquire them, instead of them being lost.
Have you tried this? All of your resources should be freed properly, if
not, let the uio maintainers know.
thanks,
greg k-h
next prev parent reply other threads:[~2015-10-06 5:21 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 [this message]
2015-10-06 13:26 ` Kenneth Adam Miller
2015-10-06 13:57 ` Greg KH
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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