On Mon, Oct 26, 2015 at 12:53 PM, Ming Lei <ming.lei@xxxxxxxxxxxxx> wrote: > On Mon, Oct 26, 2015 at 11:50 AM, Ganapatrao Kulkarni > <gpkulkarni@xxxxxxxxx> wrote: >> On Mon, Oct 26, 2015 at 7:14 AM, Ming Lei <ming.lei@xxxxxxxxxxxxx> wrote: >>> On Tue, Oct 20, 2015 at 6:45 PM, Ganapatrao Kulkarni >>> <gkulkarni@xxxxxxxxxxxxxxxxxx> wrote: >>>> Adding numa dt binding support for arm64 based platforms. >>>> dt node parsing for numa topology is done using device property >>>> proximity and device node distance-map. >>>> >>>> Reviewed-by: Robert Richter <rrichter@xxxxxxxxxx> >>>> Signed-off-by: Ganapatrao Kulkarni <gkulkarni@xxxxxxxxxxxxxxxxxx> >>>> --- >>>> arch/arm64/Kconfig | 10 ++ >>>> arch/arm64/include/asm/numa.h | 10 ++ >>>> arch/arm64/kernel/Makefile | 1 + >>>> arch/arm64/kernel/of_numa.c | 221 ++++++++++++++++++++++++++++++++++++++++++ >>>> arch/arm64/kernel/smp.c | 1 + >>>> arch/arm64/mm/numa.c | 10 +- >>>> 6 files changed, 252 insertions(+), 1 deletion(-) >>>> create mode 100644 arch/arm64/kernel/of_numa.c >>>> >>>> diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig >>>> index 0f9cdc7..6cf8d20 100644 >>>> --- a/arch/arm64/Kconfig >>>> +++ b/arch/arm64/Kconfig >>>> @@ -426,6 +426,16 @@ config NUMA >>>> local memory controller of the CPU and add some more >>>> NUMA awareness to the kernel. >>>> >>>> +config OF_NUMA >>>> + bool "Device Tree NUMA support" >>>> + depends on NUMA >>>> + depends on OF >>>> + default y >>>> + help >>>> + Enable Device Tree NUMA support. >>>> + This enables the numa mapping of cpu, memory, io and >>>> + inter node distances using dt bindings. >>> >>> Enabling the above config option can cause numa_init() warning in >>> numa-less arm64 system, please see the following report: >> this is taken care. which version are you using? > > V5. The issue persists on V6 too, so looks V7 is needed. > >> >>> >>> https://bugs.launchpad.net/bugs/1509221 >>> >>> Thanks, >> >> Thanks >> Ganapat >> >> _______________________________________________ >> linux-arm-kernel mailing list >> linux-arm-kernel@xxxxxxxxxxxxxxxxxxx >> http://lists.infradead.org/mailman/listinfo/linux-arm-kernel -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
