diff mbox

[2/2] ARM: sunxi_defconfig: increase the number of maximum number of CPUs to 8

Message ID 1423626748-1277-3-git-send-email-tyler.baker@linaro.org (mailing list archive)
State New, archived
Headers show

Commit Message

Tyler Baker Feb. 11, 2015, 3:52 a.m. UTC
The a80 optimus has 8 CPUs. I propose we increase the maximum number of CPUs to 8 to avoid the following warning identified during automated boot testing [1].

------------[ cut here ]------------
WARNING: CPU: 0 PID: 0 at ../arch/arm/kernel/devtree.c:144 arm_dt_init_cpu_maps+0x110/0x1e0()
DT /cpu 5 nodes greater than max cores 4, capping them
CPU: 0 PID: 0 Comm: swapper Not tainted 3.19.0-00528-gbdccc4edeb03 #1
Hardware name: Allwinner sun9i Family
[] (unwind_backtrace) from [] (show_stack+0x10/0x14)
[] (show_stack) from [] (dump_stack+0x74/0x90)
[] (dump_stack) from [] (warn_slowpath_common+0x70/0xac)
[] (warn_slowpath_common) from [] (warn_slowpath_fmt+0x30/0x40)
[] (warn_slowpath_fmt) from [] (arm_dt_init_cpu_maps+0x110/0x1e0)
[] (arm_dt_init_cpu_maps) from [] (setup_arch+0x634/0x8d4)
[] (setup_arch) from [] (start_kernel+0x88/0x3ac)
[] (start_kernel) from [<20008074>] (0x20008074)
---[ end trace cb88537fdc8fa200 ]---

[1] http://storage.kernelci.org/mainline/v3.19-528-gbdccc4edeb03/arm-sunxi_defconfig/lab-tbaker/boot-sun9i-a80-optimus.html

Cc: Maxime Ripard <maxime.ripard@free-electrons.com>
Cc: Olof Johansson <olof@lixom.net>
Cc: Kevin Hilman <khilman@kernel.org>
Cc: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Tyler Baker <tyler.baker@linaro.org>
---
 arch/arm/configs/sunxi_defconfig | 1 +
 1 file changed, 1 insertion(+)

Comments

Maxime Ripard Feb. 16, 2015, 12:59 p.m. UTC | #1
On Tue, Feb 10, 2015 at 07:52:28PM -0800, Tyler Baker wrote:
> The a80 optimus has 8 CPUs. I propose we increase the maximum number of CPUs to 8 to avoid the following warning identified during automated boot testing [1].
> 
> ------------[ cut here ]------------
> WARNING: CPU: 0 PID: 0 at ../arch/arm/kernel/devtree.c:144 arm_dt_init_cpu_maps+0x110/0x1e0()
> DT /cpu 5 nodes greater than max cores 4, capping them
> CPU: 0 PID: 0 Comm: swapper Not tainted 3.19.0-00528-gbdccc4edeb03 #1
> Hardware name: Allwinner sun9i Family
> [] (unwind_backtrace) from [] (show_stack+0x10/0x14)
> [] (show_stack) from [] (dump_stack+0x74/0x90)
> [] (dump_stack) from [] (warn_slowpath_common+0x70/0xac)
> [] (warn_slowpath_common) from [] (warn_slowpath_fmt+0x30/0x40)
> [] (warn_slowpath_fmt) from [] (arm_dt_init_cpu_maps+0x110/0x1e0)
> [] (arm_dt_init_cpu_maps) from [] (setup_arch+0x634/0x8d4)
> [] (setup_arch) from [] (start_kernel+0x88/0x3ac)
> [] (start_kernel) from [<20008074>] (0x20008074)
> ---[ end trace cb88537fdc8fa200 ]---
> 
> [1] http://storage.kernelci.org/mainline/v3.19-528-gbdccc4edeb03/arm-sunxi_defconfig/lab-tbaker/boot-sun9i-a80-optimus.html
> 
> Cc: Maxime Ripard <maxime.ripard@free-electrons.com>
> Cc: Olof Johansson <olof@lixom.net>
> Cc: Kevin Hilman <khilman@kernel.org>
> Cc: Arnd Bergmann <arnd@arndb.de>
> Signed-off-by: Tyler Baker <tyler.baker@linaro.org>

Applied, thanks!

Maxime
diff mbox

Patch

diff --git a/arch/arm/configs/sunxi_defconfig b/arch/arm/configs/sunxi_defconfig
index 38840a8..8f6a570 100644
--- a/arch/arm/configs/sunxi_defconfig
+++ b/arch/arm/configs/sunxi_defconfig
@@ -4,6 +4,7 @@  CONFIG_BLK_DEV_INITRD=y
 CONFIG_PERF_EVENTS=y
 CONFIG_ARCH_SUNXI=y
 CONFIG_SMP=y
+CONFIG_NR_CPUS=8
 CONFIG_AEABI=y
 CONFIG_HIGHMEM=y
 CONFIG_HIGHPTE=y