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| author | Jiri Kosina <jkosina@suse.cz> | 2011-06-10 14:46:48 +0200 |
|---|---|---|
| committer | Jiri Kosina <jkosina@suse.cz> | 2011-06-10 14:46:57 +0200 |
| commit | 5be5758c114b18260c6fd4c8373bf89e39b0fe82 (patch) | |
| tree | 54390f904df6ff11e570f764c444356cf2709fda /drivers/acpi/processor_core.c | |
| parent | 71f66a6580c4e42df377bebbcca5c72661a40700 (diff) | |
| parent | 7f45e5cd1718ed769295033ca214032848a0097d (diff) | |
| download | olio-linux-3.10-5be5758c114b18260c6fd4c8373bf89e39b0fe82.tar.xz olio-linux-3.10-5be5758c114b18260c6fd4c8373bf89e39b0fe82.zip | |
Merge branch 'master' into for-next
Sync with Linus' tree to be able to apply patches against new
code I have in queue.
Diffstat (limited to 'drivers/acpi/processor_core.c')
| -rw-r--r-- | drivers/acpi/processor_core.c | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/drivers/acpi/processor_core.c b/drivers/acpi/processor_core.c index 25bf17da69f..02d2a4c9084 100644 --- a/drivers/acpi/processor_core.c +++ b/drivers/acpi/processor_core.c @@ -37,7 +37,6 @@ static struct dmi_system_id __initdata processor_idle_dmi_table[] = { {}, }; -#ifdef CONFIG_SMP static int map_lapic_id(struct acpi_subtable_header *entry, u32 acpi_id, int *apic_id) { @@ -165,7 +164,9 @@ exit: int acpi_get_cpuid(acpi_handle handle, int type, u32 acpi_id) { +#ifdef CONFIG_SMP int i; +#endif int apic_id = -1; apic_id = map_mat_entry(handle, type, acpi_id); @@ -174,14 +175,19 @@ int acpi_get_cpuid(acpi_handle handle, int type, u32 acpi_id) if (apic_id == -1) return apic_id; +#ifdef CONFIG_SMP for_each_possible_cpu(i) { if (cpu_physical_id(i) == apic_id) return i; } +#else + /* In UP kernel, only processor 0 is valid */ + if (apic_id == 0) + return apic_id; +#endif return -1; } EXPORT_SYMBOL_GPL(acpi_get_cpuid); -#endif static bool __init processor_physically_present(acpi_handle handle) { @@ -217,7 +223,7 @@ static bool __init processor_physically_present(acpi_handle handle) type = (acpi_type == ACPI_TYPE_DEVICE) ? 1 : 0; cpuid = acpi_get_cpuid(handle, type, acpi_id); - if ((cpuid == -1) && (num_possible_cpus() > 1)) + if (cpuid == -1) return false; return true; |