Anton, Am 23.10.2014 um 09:34 schrieb Anton Ivanov: > Hi Richard, > > I have had a question in my mind on this for quite a while around this bug > (and a quite a few others).
Fell free to ask, I'll try hand to find time to answer. > UML by the nature of being UP includes the generic spinlock definition for UP > which does very little if any. Correct. IIRC they are a NOP on UML as it does not support preemption. > How exactly does this work on a multicore host if you have a different thread > hitting the same critical section and that thread is running on a different > core? Isn't that > effectively a form of weird SMP (which in turn requires stricter locking). Am > I missing something here? >From the host side of view the UML kernel a single process and therefore there >is no parallel execution at all. Does this help? Thanks, //richard ------------------------------------------------------------------------------ _______________________________________________ User-mode-linux-devel mailing list User-mode-linux-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/user-mode-linux-devel
