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-rw-r--r--include/linux/acpi.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/include/linux/acpi.h b/include/linux/acpi.h
index 913b49f9a6e6..90e4ed1eb191 100644
--- a/include/linux/acpi.h
+++ b/include/linux/acpi.h
@@ -163,6 +163,11 @@ static inline bool invalid_logical_cpuid(u32 cpuid)
return (int)cpuid < 0;
}
+static inline bool invalid_phys_cpuid(phys_cpuid_t phys_id)
+{
+ return phys_id == PHYS_CPUID_INVALID;
+}
+
#ifdef CONFIG_ACPI_HOTPLUG_CPU
/* Arch dependent functions for cpu hotplug support */
int acpi_map_cpu(acpi_handle handle, phys_cpuid_t physid, int *pcpu);