You can't assume affinity is supported for every SMP RTEMS system (especially since it is not yet available).
On Fri, Jul 5, 2013 at 12:24 PM, Joel Sherrill <joel.sherr...@oarcorp.com> wrote: > There is a feature called thread affinity which can be used to specify the > set of one it more cores a thread can run on. This is not implemented but > I'd in the hoped for near term wish list. > > Hesham Moustafa <heshamelmat...@gmail.com> wrote: > > Hi, > > I am working on a use case for cortex-a9/realview BSP that deals with page > tables and MMU. I need your help in gathering the required API and calls and > any other details to implement the following case (if applicable) : > > 1- A thread running on a core that updates the page table. > 2- On another core another thread is running and trying to update the page > table. > > Is that use case possible, or disabling dispatches, MMU, and interrupts > avoids that situation ? > > Is it possible to force a thread to run on a specific core ? or the current > SMP scheduler handles that ? > > I am thinking of applying a SHARED_MEMORY attribute on page tables itself > and implement the mentioned use case. > > Regards, > Hesham > > _______________________________________________ > rtems-devel mailing list > rtems-devel@rtems.org > http://www.rtems.org/mailman/listinfo/rtems-devel > _______________________________________________ rtems-devel mailing list rtems-devel@rtems.org http://www.rtems.org/mailman/listinfo/rtems-devel
