Messages in this thread Patch in this message |  | | From | Jürg Billeter <> | Subject | [PATCH] ARM: kernel: respect device tree status of cpu nodes | Date | Mon, 24 Feb 2014 12:22:40 +0100 |
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Skip 'disabled' cpu nodes when building the cpu logical map. This avoids booting cpus that have been disabled in the device tree.
Signed-off-by: Jürg Billeter <j@bitron.ch> Reviewed-by: Ben Dooks <ben.dooks@codethink.co.uk> --- arch/arm/kernel/devtree.c | 4 ++++ 1 file changed, 4 insertions(+)
diff --git a/arch/arm/kernel/devtree.c b/arch/arm/kernel/devtree.c index 739c3df..9aed299 100644 --- a/arch/arm/kernel/devtree.c +++ b/arch/arm/kernel/devtree.c @@ -95,6 +95,10 @@ void __init arm_dt_init_cpu_maps(void) if (of_node_cmp(cpu->type, "cpu")) continue; + /* Check if CPU is enabled */ + if (!of_device_is_available(cpu)) + continue; + pr_debug(" * %s...\n", cpu->full_name); /* * A device tree containing CPU nodes with missing "reg" -- 1.9.0 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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