[PATCH 09/19] ARM64 / ACPI: Move the initialization of cpu_logical_map(0) before acpi_boot_init()

Hanjun Guo hanjun.guo at linaro.org
Thu Jul 24 06:00:15 PDT 2014


Move the initialization of cpu_logical_map(0) before acpi_boot_init()
to remove the duplicated initialization of cpu_logical_map(0).

Signed-off-by: Hanjun Guo <hanjun.guo at linaro.org>
---
 arch/arm64/kernel/acpi.c  |    3 ---
 arch/arm64/kernel/setup.c |    3 ++-
 2 files changed, 2 insertions(+), 4 deletions(-)

diff --git a/arch/arm64/kernel/acpi.c b/arch/arm64/kernel/acpi.c
index 801e268..ff0f6a0 100644
--- a/arch/arm64/kernel/acpi.c
+++ b/arch/arm64/kernel/acpi.c
@@ -244,9 +244,6 @@ int __init acpi_boot_init(void)
 	if (err)
 		pr_err("Can't find FADT\n");
 
-	/* Get the boot CPU's MPIDR before MADT parsing */
-	cpu_logical_map(0) = read_cpuid_mpidr() & MPIDR_HWID_BITMASK;
-
 	err = acpi_parse_madt_gic_cpu_interface_entries();
 
 	return err;
diff --git a/arch/arm64/kernel/setup.c b/arch/arm64/kernel/setup.c
index e00d40c..17ab98e 100644
--- a/arch/arm64/kernel/setup.c
+++ b/arch/arm64/kernel/setup.c
@@ -394,13 +394,14 @@ void __init setup_arch(char **cmdline_p)
 
 	efi_idmap_init();
 
+	/* Get the boot CPU's MPIDR before cpu logical map is built */
+	cpu_logical_map(0) = read_cpuid_mpidr() & MPIDR_HWID_BITMASK;
 	acpi_boot_init();
 
 	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();
-- 
1.7.9.5




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