On Mon, 19 Mar 2007, Arjan van de Ven wrote: > > i thought you couldn't use semaphores from interrupt context, > > anyway. can someone clarify this? thanks. > > you can release semaphores in interrupt context, and you can do a > trylock in interrupt context as well. > > not so with mutexes i was asking about some issues related to semaphores and mutexes on the kernel janitors list recently, and a reader posted the following: http://lists.linux-foundation.org/pipermail/kernel-janitors/2007-March/008847.html by way of clarification. at the same time, i was trying to document the various forms of concurrency and potential cleanup here (not too much there, i've just started): http://fsdev.net/wiki/index.php?title=Concurrency but i'm guessing that there's a fair amount of cleanup that can be done WRT replacing semaphores in some places with one of the newer forms of concurrency. if anyone wants to add content to that page, feel free. rday -- ======================================================================== Robert P. J. Day Linux Consulting, Training and Annoying Kernel Pedantry Waterloo, Ontario, CANADA http://fsdev.net/wiki/index.php?title=Main_Page ======================================================================== -- To unsubscribe from this list: send an email with "unsubscribe kernelnewbies" to ecartis@xxxxxxxxxxxx Please read the FAQ at http://kernelnewbies.org/FAQ
