Hi Charles the BBB is a single core Soc On Thu, Sep 18, 2014 at 10:47 PM, Charles Steinkuehler <char...@steinkuehler.net> wrote: > On 9/18/2014 11:40 AM, Robert Nelson wrote: >> >> sudo apt-get update >> sudo apt-get install linux-image-3.14.19-ti-r22 >> >> has: CONFIG_PREEMPT_VOLUNTARY >> >> In the past, preempt broke a lot of things. So i'm always hesitant to >> enable it by default across the board. > > PREEMPT has a tendency to tickle obscure bugs in non-SMP safe kernel > code. Many nasty bugs were uncovered as the PREEMPT code got merged > into the kernel. Now the core kernel is very SMP safe, but there are > still a lot of drivers (ie: "vendor-supplied code for single-core SoCs") > that are not SMP clean. > > As multi-core ARM systems become more common, the situation should > improve (as it did with the x86 over time). > > -- > Charles Steinkuehler > char...@steinkuehler.net > > -- > For more options, visit http://beagleboard.org/discuss > --- > You received this message because you are subscribed to a topic in the Google > Groups "BeagleBoard" group. > To unsubscribe from this topic, visit > https://groups.google.com/d/topic/beagleboard/4eDQvQOkUkc/unsubscribe. > To unsubscribe from this group and all its topics, send an email to > beagleboard+unsubscr...@googlegroups.com. > For more options, visit https://groups.google.com/d/optout.
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