On Mon, Dec 5, 2016 at 7:43 PM, Matt Byrne <matthewlbyrne@xxxxxxxxx> wrote: > I wouldn't try mixing patches; I think the lines and files won't match. > Couldn't hurt to try though. > Hi Mat, Just to be sure I understand: linux-rt patches are for specific kernel version for example:3.4.1_rc9, not for all versions (for example I won't find patch for 3.4.27), Right ? Thanks, Ran > The answer to your question depends on whether you're using the preempt > patch(es) (PREEMPT_RT) or just the preempt bits that have made it into the > kernel. The extensions let userspace, including irq threads (e.g., of your > video card, midi, etc.) preempt kernel land lower priority processes. Start > on page 14 of this pdf: events.linuxfoundation dot > org/sites/events/files/slides/rtmux_1 dot pdf and check out the graphics - a > picture's worth 1K words in this case, at least for me. Have fun! > > On Mon, Dec 5, 2016 at 9:20 AM Ran Shalit <ranshalit@xxxxxxxxx> wrote: >> >> Hello, >> >> I am newcomer with RT linux. >> I have made some general reading about RT patch. >> I see that there is a patch for 3.4.1_rc9. >> I wanted to ask if I can try to apply this patch on 3.4.27 ? >> >> Another question: >> Is it correct to assume that kernel is always more real-time than >> userspace even when using CONFIG_PREEMPT ? >> >> Thank you, >> Ran >> -- >> To unsubscribe from this list: send the line "unsubscribe linux-rt-users" >> in >> the body of a message to majordomo@xxxxxxxxxxxxxxx >> More majordomo info at http://vger.kernel.org/majordomo-info.html -- To unsubscribe from this list: send the line "unsubscribe linux-rt-users" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
