Unexpected scheduling with mutexes

[Greg KH]

On Sat, Mar 30, 2019 at 08:25:57AM -0400, Ruben Safir wrote:
> On 3/29/19 4:01 PM, Greg KH wrote:
> > As an example of this, serial ports are not "exclusively owned", right?
> 
> 
> they are not?  What handles the interupt?

Context is everything, and you cut out all of it here :(

The kernel handles the interrupt of course, the sentence was referring
to userspace interacting with the kernel, not anything else.

greg k-