[Xen-devel] [PATCH RFC 12/35] ARM64: Initialization of cpu_logical_map(0)

[parth.dixit@xxxxxxxxxx]

From: Naresh Bhat <naresh.bhat@xxxxxxxxxx>

Initialization of cpu_logical_map(0) before acpi_boot_init()

Signed-off-by: Hanjun Guo <hanjun.guo@xxxxxxxxxx>
Signed-off-by: Naresh Bhat <Naresh.Bhat@xxxxxxxxxx>
---
 xen/arch/arm/setup.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/xen/arch/arm/setup.c b/xen/arch/arm/setup.c
index 3531d47..569b2da 100644
--- a/xen/arch/arm/setup.c
+++ b/xen/arch/arm/setup.c
@@ -47,6 +47,7 @@
 #include <xsm/xsm.h>
 #include <xen/acpi.h>
 #include <asm/acpi.h>
+#include <asm-arm/cputype.h>
 
 struct bootinfo __initdata bootinfo;
 
@@ -749,6 +750,10 @@ void __init start_xen(unsigned long boot_phys_offset,
 
 #if defined(CONFIG_ACPI) && defined(CONFIG_ARM_64)
     acpi_boot_table_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();
 #endif
 
-- 
1.9.1


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