Re: [PATCH v6 3/4] arm64/arm, numa, dt: adding numa dt binding implementation for arm64 platforms

On Mon, Oct 26, 2015 at 12:50 PM, Ming Lei [off-list ref] wrote:

On Mon, Oct 26, 2015 at 12:53 PM, Ming Lei [off-list ref] wrote:

quoted

On Mon, Oct 26, 2015 at 11:50 AM, Ganapatrao Kulkarni
[off-list ref] wrote:

quoted

On Mon, Oct 26, 2015 at 7:14 AM, Ming Lei [off-list ref] wrote:

quoted

On Tue, Oct 20, 2015 at 6:45 PM, Ganapatrao Kulkarni
[off-list ref] wrote:

quoted

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-YGCgFSpz5w/QT0dZR+AlfA@public.gmane.org>
Signed-off-by: Ganapatrao Kulkarni <redacted>
---
 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.

can you please share the boot log with v6.
you can send to me only.

quoted

quoted

quoted

          https://bugs.launchpad.net/bugs/1509221

Thanks,

Thanks
Ganapat

_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org
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-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html