On Tue, Dec 10, 2013 at 01:24:01PM +0100, Daniel Vetter wrote: > The update is horribly racy since it doesn't protect at all against > concurrent closing of the master fd. And it can't really since that > requires us to grab a mutex. > > Instead of jumping through hoops and offloading this to a worker > thread just block this bit of code for the modesetting driver. > > Reported-by: Eugene Shatokhin <[email protected]> > Cc: Eugene Shatokhin <[email protected]> > Cc: [email protected] > Signed-off-by: Daniel Vetter <[email protected]>
We should also not be calling update_dri1_breadcrumb unless we have a USER_INTERRUPT. The other updates to the breadcrumb hws index do not appear to be serialised by anything other than polling. -Chris -- Chris Wilson, Intel Open Source Technology Centre -- To unsubscribe from this list: send the line "unsubscribe stable" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
