Hi Catalin, On 2014年10月17日 21:36, Hanjun Guo wrote:
It always make sense to initialize CPU0's logical map entry from the hardware values, so move the initialization of cpu_logical_map(0) before unflatten_device_tree() which is needed by ACPI code later. Acked-by: Olof Johansson <olof@xxxxxxxxx> Acked-by: Mark Rutland <mark.rutland@xxxxxxx> Signed-off-by: Hanjun Guo <hanjun.guo@xxxxxxxxxx>
Could you merge this patch first in 3.19? It was acked by Olof and Mark, and it will make sense without ACPI too. Thanks Hanjun
--- arch/arm64/kernel/setup.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/arm64/kernel/setup.c b/arch/arm64/kernel/setup.c index edb146d..8f33f72 100644 --- a/arch/arm64/kernel/setup.c +++ b/arch/arm64/kernel/setup.c @@ -393,11 +393,11 @@ void __init setup_arch(char **cmdline_p) efi_idmap_init(); + cpu_logical_map(0) = read_cpuid_mpidr() & MPIDR_HWID_BITMASK; unflatten_device_tree(); psci_init(); - cpu_logical_map(0) = read_cpuid_mpidr() & MPIDR_HWID_BITMASK; cpu_read_bootcpu_ops(); #ifdef CONFIG_SMP smp_init_cpus();
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