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. On Tue, Oct 6, 2015 at 1:21 AM, Greg KH <[email protected]> wrote: > 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 >
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