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ACPI / processor: Introduce invalid_phys_cpuid()

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Introduce invalid_phys_cpuid() to identify cpu with invalid
physical ID, then used it as replacement of the direct comparisons
with PHYS_CPUID_INVALID.

Signed-off-by: Hanjun Guo <hanjun.guo@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
This commit is contained in:
Hanjun Guo
2015-05-13 16:19:30 +08:00
committed by Rafael J. Wysocki
parent d3da7cb9d2
commit ddcc18f5bd
3 changed files with 9 additions and 4 deletions
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5
include/linux/acpi.h
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@@ -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);