[PATCH 1/3] ACPI / processor: Update the comments in processor.h

[PATCH 1/3] ACPI / processor: Update the comments in processor.h

[Hanjun Guo]

In commit 46ba51e (ACPI / processor: Introduce ARCH_MIGHT_HAVE_ACPI_PDC),
acpi_processor_set_pdc() was moved to processor_pdc.c, so update
the comments accordingly.

Signed-off-by: Hanjun Guo <hanjun.guo@linaro.org>
---
 include/acpi/processor.h |    4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/include/acpi/processor.h b/include/acpi/processor.h
index 9b9b6f2..cbb6cd3 100644
--- a/include/acpi/processor.h
+++ b/include/acpi/processor.h
@@ -313,11 +313,13 @@ static inline int acpi_processor_get_bios_limit(int cpu, unsigned int *limit)
 #endif				/* CONFIG_CPU_FREQ */
 
 /* in processor_core.c */
-void acpi_processor_set_pdc(acpi_handle handle);
 int acpi_get_apicid(acpi_handle, int type, u32 acpi_id);
 int acpi_map_cpuid(int apic_id, u32 acpi_id);
 int acpi_get_cpuid(acpi_handle, int type, u32 acpi_id);
 
+/* in processor_pdc.c */
+void acpi_processor_set_pdc(acpi_handle handle);
+
 /* in processor_throttling.c */
 int acpi_processor_tstate_has_changed(struct acpi_processor *pr);
 int acpi_processor_get_throttling_info(struct acpi_processor *pr);
-- 
1.7.9.5

[PATCH 2/3] ACPI / processor: Convert apic_id to phys_id to make it arch agnostic

[Hanjun Guo]

apic_id in MADT table is the CPU hardware id which identify
it self in the system for x86 and ia64, OSPM will use it for
SMP init to map APIC ID to logical cpu number in the early
boot, when the DSDT (ACPI namespace) is scanned later, the
ACPI processor driver is probed and the driver will use acpi_id
in DSDT to get the apic_id, then map to the logical cpu number
which is needed by the processor driver.

Before ACPI 5.0, only x86 and ia64 were supported in ACPI spec,
so apic_id is used both in arch code and ACPI core which is
pretty fine. Since ACPI 5.0, ARM is supported by ACPI and
APIC is not available on ARM, this will confuse people when
apic_id is both used by x86 and ARM in one function.

So convert apic_id to phys_id (which is the original meaning)
in ACPI processor dirver to make it arch agnostic, but leave the
arch dependent code unchanged, no functional change.

Signed-off-by: Hanjun Guo <hanjun.guo@linaro.org>
---
 drivers/acpi/acpi_processor.c |   14 +++++------
 drivers/acpi/processor_core.c |   56 ++++++++++++++++++++---------------------
 include/acpi/processor.h      |    8 +++---
 3 files changed, 39 insertions(+), 39 deletions(-)

diff --git a/drivers/acpi/acpi_processor.c b/drivers/acpi/acpi_processor.c
index 1fdf5e0..bcf3a3f 100644
--- a/drivers/acpi/acpi_processor.c
+++ b/drivers/acpi/acpi_processor.c
@@ -170,7 +170,7 @@ static int acpi_processor_hotadd_init(struct acpi_processor *pr)
 	acpi_status status;
 	int ret;
 
-	if (pr->apic_id == -1)
+	if (pr->phys_id == -1)
 		return -ENODEV;
 
 	status = acpi_evaluate_integer(pr->handle, "_STA", NULL, &sta);
@@ -180,7 +180,7 @@ static int acpi_processor_hotadd_init(struct acpi_processor *pr)
 	cpu_maps_update_begin();
 	cpu_hotplug_begin();
 
-	ret = acpi_map_lsapic(pr->handle, pr->apic_id, &pr->id);
+	ret = acpi_map_lsapic(pr->handle, pr->phys_id, &pr->id);
 	if (ret)
 		goto out;
 
@@ -215,7 +215,7 @@ static int acpi_processor_get_info(struct acpi_device *device)
 	union acpi_object object = { 0 };
 	struct acpi_buffer buffer = { sizeof(union acpi_object), &object };
 	struct acpi_processor *pr = acpi_driver_data(device);
-	int apic_id, cpu_index, device_declaration = 0;
+	int phys_id, cpu_index, device_declaration = 0;
 	acpi_status status = AE_OK;
 	static int cpu0_initialized;
 	unsigned long long value;
@@ -262,12 +262,12 @@ static int acpi_processor_get_info(struct acpi_device *device)
 		pr->acpi_id = value;
 	}
 
-	apic_id = acpi_get_apicid(pr->handle, device_declaration, pr->acpi_id);
-	if (apic_id < 0)
+	phys_id = acpi_get_phys_id(pr->handle, device_declaration, pr->acpi_id);
+	if (phys_id < 0)
 		acpi_handle_debug(pr->handle, "failed to get CPU APIC ID.\n");
-	pr->apic_id = apic_id;
+	pr->phys_id = phys_id;
 
-	cpu_index = acpi_map_cpuid(pr->apic_id, pr->acpi_id);
+	cpu_index = acpi_map_cpuid(pr->phys_id, pr->acpi_id);
 	if (!cpu0_initialized && !acpi_has_cpu_in_madt()) {
 		cpu0_initialized = 1;
 		/* Handle UP system running SMP kernel, with no LAPIC in MADT */
diff --git a/drivers/acpi/processor_core.c b/drivers/acpi/processor_core.c
index ef58f46..0f6f73e 100644
--- a/drivers/acpi/processor_core.c
+++ b/drivers/acpi/processor_core.c
@@ -69,7 +69,7 @@ static int map_madt_entry(int type, u32 acpi_id)
 	unsigned long madt_end, entry;
 	static struct acpi_table_madt *madt;
 	static int read_madt;
-	int apic_id = -1;
+	int phys_id = -1;	/* CPU hardware ID */
 
 	if (!read_madt) {
 		if (ACPI_FAILURE(acpi_get_table(ACPI_SIG_MADT, 0,
@@ -79,7 +79,7 @@ static int map_madt_entry(int type, u32 acpi_id)
 	}
 
 	if (!madt)
-		return apic_id;
+		return phys_id;
 
 	entry = (unsigned long)madt;
 	madt_end = entry + madt->header.length;
@@ -91,18 +91,18 @@ static int map_madt_entry(int type, u32 acpi_id)
 		struct acpi_subtable_header *header =
 			(struct acpi_subtable_header *)entry;
 		if (header->type == ACPI_MADT_TYPE_LOCAL_APIC) {
-			if (!map_lapic_id(header, acpi_id, &apic_id))
+			if (!map_lapic_id(header, acpi_id, &phys_id))
 				break;
 		} else if (header->type == ACPI_MADT_TYPE_LOCAL_X2APIC) {
-			if (!map_x2apic_id(header, type, acpi_id, &apic_id))
+			if (!map_x2apic_id(header, type, acpi_id, &phys_id))
 				break;
 		} else if (header->type == ACPI_MADT_TYPE_LOCAL_SAPIC) {
-			if (!map_lsapic_id(header, type, acpi_id, &apic_id))
+			if (!map_lsapic_id(header, type, acpi_id, &phys_id))
 				break;
 		}
 		entry += header->length;
 	}
-	return apic_id;
+	return phys_id;
 }
 
 static int map_mat_entry(acpi_handle handle, int type, u32 acpi_id)
@@ -110,7 +110,7 @@ static int map_mat_entry(acpi_handle handle, int type, u32 acpi_id)
 	struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL };
 	union acpi_object *obj;
 	struct acpi_subtable_header *header;
-	int apic_id = -1;
+	int phys_id = -1;
 
 	if (ACPI_FAILURE(acpi_evaluate_object(handle, "_MAT", NULL, &buffer)))
 		goto exit;
@@ -126,39 +126,39 @@ static int map_mat_entry(acpi_handle handle, int type, u32 acpi_id)
 
 	header = (struct acpi_subtable_header *)obj->buffer.pointer;
 	if (header->type == ACPI_MADT_TYPE_LOCAL_APIC) {
-		map_lapic_id(header, acpi_id, &apic_id);
+		map_lapic_id(header, acpi_id, &phys_id);
 	} else if (header->type == ACPI_MADT_TYPE_LOCAL_SAPIC) {
-		map_lsapic_id(header, type, acpi_id, &apic_id);
+		map_lsapic_id(header, type, acpi_id, &phys_id);
 	} else if (header->type == ACPI_MADT_TYPE_LOCAL_X2APIC) {
-		map_x2apic_id(header, type, acpi_id, &apic_id);
+		map_x2apic_id(header, type, acpi_id, &phys_id);
 	}
 
 exit:
 	kfree(buffer.pointer);
-	return apic_id;
+	return phys_id;
 }
 
-int acpi_get_apicid(acpi_handle handle, int type, u32 acpi_id)
+int acpi_get_phys_id(acpi_handle handle, int type, u32 acpi_id)
 {
-	int apic_id;
+	int phys_id;
 
-	apic_id = map_mat_entry(handle, type, acpi_id);
-	if (apic_id == -1)
-		apic_id = map_madt_entry(type, acpi_id);
+	phys_id = map_mat_entry(handle, type, acpi_id);
+	if (phys_id == -1)
+		phys_id = map_madt_entry(type, acpi_id);
 
-	return apic_id;
+	return phys_id;
 }
 
-int acpi_map_cpuid(int apic_id, u32 acpi_id)
+int acpi_map_cpuid(int phys_id, u32 acpi_id)
 {
 #ifdef CONFIG_SMP
 	int i;
 #endif
 
-	if (apic_id == -1) {
+	if (phys_id == -1) {
 		/*
 		 * On UP processor, there is no _MAT or MADT table.
-		 * So above apic_id is always set to -1.
+		 * So above phys_id is always set to -1.
 		 *
 		 * BIOS may define multiple CPU handles even for UP processor.
 		 * For example,
@@ -171,7 +171,7 @@ int acpi_map_cpuid(int apic_id, u32 acpi_id)
 		 *     Processor (CPU3, 0x03, 0x00000410, 0x06) {}
 		 * }
 		 *
-		 * Ignores apic_id and always returns 0 for the processor
+		 * Ignores phys_id and always returns 0 for the processor
 		 * handle with acpi id 0 if nr_cpu_ids is 1.
 		 * This should be the case if SMP tables are not found.
 		 * Return -1 for other CPU's handle.
@@ -179,28 +179,28 @@ int acpi_map_cpuid(int apic_id, u32 acpi_id)
 		if (nr_cpu_ids <= 1 && acpi_id == 0)
 			return acpi_id;
 		else
-			return apic_id;
+			return phys_id;
 	}
 
 #ifdef CONFIG_SMP
 	for_each_possible_cpu(i) {
-		if (cpu_physical_id(i) == apic_id)
+		if (cpu_physical_id(i) == phys_id)
 			return i;
 	}
 #else
 	/* In UP kernel, only processor 0 is valid */
-	if (apic_id == 0)
-		return apic_id;
+	if (phys_id == 0)
+		return phys_id;
 #endif
 	return -1;
 }
 
 int acpi_get_cpuid(acpi_handle handle, int type, u32 acpi_id)
 {
-	int apic_id;
+	int phys_id;
 
-	apic_id = acpi_get_apicid(handle, type, acpi_id);
+	phys_id = acpi_get_phys_id(handle, type, acpi_id);
 
-	return acpi_map_cpuid(apic_id, acpi_id);
+	return acpi_map_cpuid(phys_id, acpi_id);
 }
 EXPORT_SYMBOL_GPL(acpi_get_cpuid);
diff --git a/include/acpi/processor.h b/include/acpi/processor.h
index cbb6cd3..8e34af9 100644
--- a/include/acpi/processor.h
+++ b/include/acpi/processor.h
@@ -199,8 +199,8 @@ struct acpi_processor_flags {
 struct acpi_processor {
 	acpi_handle handle;
 	u32 acpi_id;
-	u32 apic_id;
-	u32 id;
+	u32 phys_id;	/* CPU hardware ID such as APIC ID for x86 */
+	u32 id;		/* CPU logical ID allocated by OS */
 	u32 pblk;
 	int performance_platform_limit;
 	int throttling_platform_limit;
@@ -313,8 +313,8 @@ static inline int acpi_processor_get_bios_limit(int cpu, unsigned int *limit)
 #endif				/* CONFIG_CPU_FREQ */
 
 /* in processor_core.c */
-int acpi_get_apicid(acpi_handle, int type, u32 acpi_id);
-int acpi_map_cpuid(int apic_id, u32 acpi_id);
+int acpi_get_phys_id(acpi_handle, int type, u32 acpi_id);
+int acpi_map_cpuid(int phys_id, u32 acpi_id);
 int acpi_get_cpuid(acpi_handle, int type, u32 acpi_id);
 
 /* in processor_pdc.c */
-- 
1.7.9.5

[PATCH 3/3] ACPI / processor: Rename acpi_(un)map_lsapic() to acpi_(un)map_cpu()

[Hanjun Guo]

acpi_map_lsapic() will allocate a logical CPU number and map it to
physical CPU id (such as APIC id) for the hot-added CPU, it will also
do some mapping for NUMA node id and etc, acpi_unmap_lsapic() will
do the reverse.

We can see that the name of the function is a little bit confusing and
arch dependent so rename them as acpi_(un)map_map() to make arch
agnostic and explicit.

Signed-off-by: Hanjun Guo <hanjun.guo@linaro.org>
---
 arch/ia64/kernel/acpi.c       |    9 ++++-----
 arch/x86/kernel/acpi/boot.c   |    9 ++++-----
 drivers/acpi/acpi_processor.c |    6 +++---
 include/linux/acpi.h          |    4 ++--
 4 files changed, 13 insertions(+), 15 deletions(-)

diff --git a/arch/ia64/kernel/acpi.c b/arch/ia64/kernel/acpi.c
index 615ef81..e795cb8 100644
--- a/arch/ia64/kernel/acpi.c
+++ b/arch/ia64/kernel/acpi.c
@@ -893,13 +893,13 @@ static int _acpi_map_lsapic(acpi_handle handle, int physid, int *pcpu)
 }
 
 /* wrapper to silence section mismatch warning */
-int __ref acpi_map_lsapic(acpi_handle handle, int physid, int *pcpu)
+int __ref acpi_map_cpu(acpi_handle handle, int physid, int *pcpu)
 {
 	return _acpi_map_lsapic(handle, physid, pcpu);
 }
-EXPORT_SYMBOL(acpi_map_lsapic);
+EXPORT_SYMBOL(acpi_map_cpu);
 
-int acpi_unmap_lsapic(int cpu)
+int acpi_unmap_cpu(int cpu)
 {
 	ia64_cpu_to_sapicid[cpu] = -1;
 	set_cpu_present(cpu, false);
@@ -910,8 +910,7 @@ int acpi_unmap_lsapic(int cpu)
 
 	return (0);
 }
-
-EXPORT_SYMBOL(acpi_unmap_lsapic);
+EXPORT_SYMBOL(acpi_unmap_cpu);
 #endif				/* CONFIG_ACPI_HOTPLUG_CPU */
 
 #ifdef CONFIG_ACPI_NUMA
diff --git a/arch/x86/kernel/acpi/boot.c b/arch/x86/kernel/acpi/boot.c
index b436fc7..6a327c6 100644
--- a/arch/x86/kernel/acpi/boot.c
+++ b/arch/x86/kernel/acpi/boot.c
@@ -731,13 +731,13 @@ static int _acpi_map_lsapic(acpi_handle handle, int physid, int *pcpu)
 }
 
 /* wrapper to silence section mismatch warning */
-int __ref acpi_map_lsapic(acpi_handle handle, int physid, int *pcpu)
+int __ref acpi_map_cpu(acpi_handle handle, int physid, int *pcpu)
 {
 	return _acpi_map_lsapic(handle, physid, pcpu);
 }
-EXPORT_SYMBOL(acpi_map_lsapic);
+EXPORT_SYMBOL(acpi_map_cpu);
 
-int acpi_unmap_lsapic(int cpu)
+int acpi_unmap_cpu(int cpu)
 {
 #ifdef CONFIG_ACPI_NUMA
 	set_apicid_to_node(per_cpu(x86_cpu_to_apicid, cpu), NUMA_NO_NODE);
@@ -749,8 +749,7 @@ int acpi_unmap_lsapic(int cpu)
 
 	return (0);
 }
-
-EXPORT_SYMBOL(acpi_unmap_lsapic);
+EXPORT_SYMBOL(acpi_unmap_cpu);
 #endif				/* CONFIG_ACPI_HOTPLUG_CPU */
 
 int acpi_register_ioapic(acpi_handle handle, u64 phys_addr, u32 gsi_base)
diff --git a/drivers/acpi/acpi_processor.c b/drivers/acpi/acpi_processor.c
index bcf3a3f..c4a8a56 100644
--- a/drivers/acpi/acpi_processor.c
+++ b/drivers/acpi/acpi_processor.c
@@ -180,13 +180,13 @@ static int acpi_processor_hotadd_init(struct acpi_processor *pr)
 	cpu_maps_update_begin();
 	cpu_hotplug_begin();
 
-	ret = acpi_map_lsapic(pr->handle, pr->phys_id, &pr->id);
+	ret = acpi_map_cpu(pr->handle, pr->phys_id, &pr->id);
 	if (ret)
 		goto out;
 
 	ret = arch_register_cpu(pr->id);
 	if (ret) {
-		acpi_unmap_lsapic(pr->id);
+		acpi_unmap_cpu(pr->id);
 		goto out;
 	}
 
@@ -458,7 +458,7 @@ static void acpi_processor_remove(struct acpi_device *device)
 
 	/* Remove the CPU. */
 	arch_unregister_cpu(pr->id);
-	acpi_unmap_lsapic(pr->id);
+	acpi_unmap_cpu(pr->id);
 
 	cpu_hotplug_done();
 	cpu_maps_update_done();
diff --git a/include/linux/acpi.h b/include/linux/acpi.h
index 407a12f..4043e77 100644
--- a/include/linux/acpi.h
+++ b/include/linux/acpi.h
@@ -142,8 +142,8 @@ void acpi_numa_arch_fixup(void);
 
 #ifdef CONFIG_ACPI_HOTPLUG_CPU
 /* Arch dependent functions for cpu hotplug support */
-int acpi_map_lsapic(acpi_handle handle, int physid, int *pcpu);
-int acpi_unmap_lsapic(int cpu);
+int acpi_map_cpu(acpi_handle handle, int physid, int *pcpu);
+int acpi_unmap_cpu(int cpu);
 #endif /* CONFIG_ACPI_HOTPLUG_CPU */
 
 int acpi_register_ioapic(acpi_handle handle, u64 phys_addr, u32 gsi_base);
-- 
1.7.9.5

[PATCH 3/3] ACPI / processor: Rename acpi_(un)map_lsapic() to acpi_(un)map_cpu()

[Rafael J. Wysocki]

On Thursday, October 30, 2014 05:53:00 PM Hanjun Guo wrote:
> acpi_map_lsapic() will allocate a logical CPU number and map it to
> physical CPU id (such as APIC id) for the hot-added CPU, it will also
> do some mapping for NUMA node id and etc, acpi_unmap_lsapic() will
> do the reverse.
> 
> We can see that the name of the function is a little bit confusing and
> arch dependent so rename them as acpi_(un)map_map() to make arch

That's acpi_(un)map_cpu() I guess?

> agnostic and explicit.
> 
> Signed-off-by: Hanjun Guo <hanjun.guo@linaro.org>
> ---
>  arch/ia64/kernel/acpi.c       |    9 ++++-----
>  arch/x86/kernel/acpi/boot.c   |    9 ++++-----
>  drivers/acpi/acpi_processor.c |    6 +++---
>  include/linux/acpi.h          |    4 ++--
>  4 files changed, 13 insertions(+), 15 deletions(-)
> 
> diff --git a/arch/ia64/kernel/acpi.c b/arch/ia64/kernel/acpi.c
> index 615ef81..e795cb8 100644
> --- a/arch/ia64/kernel/acpi.c
> +++ b/arch/ia64/kernel/acpi.c
> @@ -893,13 +893,13 @@ static int _acpi_map_lsapic(acpi_handle handle, int physid, int *pcpu)
>  }
>  
>  /* wrapper to silence section mismatch warning */
> -int __ref acpi_map_lsapic(acpi_handle handle, int physid, int *pcpu)
> +int __ref acpi_map_cpu(acpi_handle handle, int physid, int *pcpu)
>  {
>  	return _acpi_map_lsapic(handle, physid, pcpu);
>  }
> -EXPORT_SYMBOL(acpi_map_lsapic);
> +EXPORT_SYMBOL(acpi_map_cpu);
>  
> -int acpi_unmap_lsapic(int cpu)
> +int acpi_unmap_cpu(int cpu)
>  {
>  	ia64_cpu_to_sapicid[cpu] = -1;
>  	set_cpu_present(cpu, false);
> @@ -910,8 +910,7 @@ int acpi_unmap_lsapic(int cpu)
>  
>  	return (0);
>  }
> -
> -EXPORT_SYMBOL(acpi_unmap_lsapic);
> +EXPORT_SYMBOL(acpi_unmap_cpu);
>  #endif				/* CONFIG_ACPI_HOTPLUG_CPU */
>  
>  #ifdef CONFIG_ACPI_NUMA
> diff --git a/arch/x86/kernel/acpi/boot.c b/arch/x86/kernel/acpi/boot.c
> index b436fc7..6a327c6 100644
> --- a/arch/x86/kernel/acpi/boot.c
> +++ b/arch/x86/kernel/acpi/boot.c
> @@ -731,13 +731,13 @@ static int _acpi_map_lsapic(acpi_handle handle, int physid, int *pcpu)
>  }
>  
>  /* wrapper to silence section mismatch warning */
> -int __ref acpi_map_lsapic(acpi_handle handle, int physid, int *pcpu)
> +int __ref acpi_map_cpu(acpi_handle handle, int physid, int *pcpu)
>  {
>  	return _acpi_map_lsapic(handle, physid, pcpu);
>  }
> -EXPORT_SYMBOL(acpi_map_lsapic);
> +EXPORT_SYMBOL(acpi_map_cpu);
>  
> -int acpi_unmap_lsapic(int cpu)
> +int acpi_unmap_cpu(int cpu)
>  {
>  #ifdef CONFIG_ACPI_NUMA
>  	set_apicid_to_node(per_cpu(x86_cpu_to_apicid, cpu), NUMA_NO_NODE);
> @@ -749,8 +749,7 @@ int acpi_unmap_lsapic(int cpu)
>  
>  	return (0);
>  }
> -
> -EXPORT_SYMBOL(acpi_unmap_lsapic);
> +EXPORT_SYMBOL(acpi_unmap_cpu);
>  #endif				/* CONFIG_ACPI_HOTPLUG_CPU */
>  
>  int acpi_register_ioapic(acpi_handle handle, u64 phys_addr, u32 gsi_base)
> diff --git a/drivers/acpi/acpi_processor.c b/drivers/acpi/acpi_processor.c
> index bcf3a3f..c4a8a56 100644
> --- a/drivers/acpi/acpi_processor.c
> +++ b/drivers/acpi/acpi_processor.c
> @@ -180,13 +180,13 @@ static int acpi_processor_hotadd_init(struct acpi_processor *pr)
>  	cpu_maps_update_begin();
>  	cpu_hotplug_begin();
>  
> -	ret = acpi_map_lsapic(pr->handle, pr->phys_id, &pr->id);
> +	ret = acpi_map_cpu(pr->handle, pr->phys_id, &pr->id);
>  	if (ret)
>  		goto out;
>  
>  	ret = arch_register_cpu(pr->id);
>  	if (ret) {
> -		acpi_unmap_lsapic(pr->id);
> +		acpi_unmap_cpu(pr->id);
>  		goto out;
>  	}
>  
> @@ -458,7 +458,7 @@ static void acpi_processor_remove(struct acpi_device *device)
>  
>  	/* Remove the CPU. */
>  	arch_unregister_cpu(pr->id);
> -	acpi_unmap_lsapic(pr->id);
> +	acpi_unmap_cpu(pr->id);
>  
>  	cpu_hotplug_done();
>  	cpu_maps_update_done();
> diff --git a/include/linux/acpi.h b/include/linux/acpi.h
> index 407a12f..4043e77 100644
> --- a/include/linux/acpi.h
> +++ b/include/linux/acpi.h
> @@ -142,8 +142,8 @@ void acpi_numa_arch_fixup(void);
>  
>  #ifdef CONFIG_ACPI_HOTPLUG_CPU
>  /* Arch dependent functions for cpu hotplug support */
> -int acpi_map_lsapic(acpi_handle handle, int physid, int *pcpu);
> -int acpi_unmap_lsapic(int cpu);
> +int acpi_map_cpu(acpi_handle handle, int physid, int *pcpu);
> +int acpi_unmap_cpu(int cpu);
>  #endif /* CONFIG_ACPI_HOTPLUG_CPU */
>  
>  int acpi_register_ioapic(acpi_handle handle, u64 phys_addr, u32 gsi_base);
> 

-- 
I speak only for myself.
Rafael J. Wysocki, Intel Open Source Technology Center.

[PATCH 3/3] ACPI / processor: Rename acpi_(un)map_lsapic() to acpi_(un)map_cpu()

[Hanjun Guo]

On 2014?10?31? 04:12, Rafael J. Wysocki wrote:
> On Thursday, October 30, 2014 05:53:00 PM Hanjun Guo wrote:
>> acpi_map_lsapic() will allocate a logical CPU number and map it to
>> physical CPU id (such as APIC id) for the hot-added CPU, it will also
>> do some mapping for NUMA node id and etc, acpi_unmap_lsapic() will
>> do the reverse.
>>
>> We can see that the name of the function is a little bit confusing and
>> arch dependent so rename them as acpi_(un)map_map() to make arch
>
> That's acpi_(un)map_cpu() I guess?

ah, yes, typos, it should be acpi_(un)map_cpu(), my fault.
should I send another version?

Thanks
Hanjun

[PATCH 3/3] ACPI / processor: Rename acpi_(un)map_lsapic() to acpi_(un)map_cpu()

[Rafael J. Wysocki]

On Friday, October 31, 2014 07:49:49 AM Hanjun Guo wrote:
> On 2014?10?31? 04:12, Rafael J. Wysocki wrote:
> > On Thursday, October 30, 2014 05:53:00 PM Hanjun Guo wrote:
> >> acpi_map_lsapic() will allocate a logical CPU number and map it to
> >> physical CPU id (such as APIC id) for the hot-added CPU, it will also
> >> do some mapping for NUMA node id and etc, acpi_unmap_lsapic() will
> >> do the reverse.
> >>
> >> We can see that the name of the function is a little bit confusing and
> >> arch dependent so rename them as acpi_(un)map_map() to make arch
> >
> > That's acpi_(un)map_cpu() I guess?
> 
> ah, yes, typos, it should be acpi_(un)map_cpu(), my fault.
> should I send another version?

No, I can fix this up.

-- 
I speak only for myself.
Rafael J. Wysocki, Intel Open Source Technology Center.

[PATCH 3/3] ACPI / processor: Rename acpi_(un)map_lsapic() to acpi_(un)map_cpu()

[Rafael J. Wysocki]

On Friday, October 31, 2014 11:55:46 PM Rafael J. Wysocki wrote:
> On Friday, October 31, 2014 07:49:49 AM Hanjun Guo wrote:
> > On 2014?10?31? 04:12, Rafael J. Wysocki wrote:
> > > On Thursday, October 30, 2014 05:53:00 PM Hanjun Guo wrote:
> > >> acpi_map_lsapic() will allocate a logical CPU number and map it to
> > >> physical CPU id (such as APIC id) for the hot-added CPU, it will also
> > >> do some mapping for NUMA node id and etc, acpi_unmap_lsapic() will
> > >> do the reverse.
> > >>
> > >> We can see that the name of the function is a little bit confusing and
> > >> arch dependent so rename them as acpi_(un)map_map() to make arch
> > >
> > > That's acpi_(un)map_cpu() I guess?
> > 
> > ah, yes, typos, it should be acpi_(un)map_cpu(), my fault.
> > should I send another version?
> 
> No, I can fix this up.

I've queued up the series for 3.19, thanks!


-- 
I speak only for myself.
Rafael J. Wysocki, Intel Open Source Technology Center.

[PATCH 3/3] ACPI / processor: Rename acpi_(un)map_lsapic() to acpi_(un)map_cpu()

[Hanjun Guo]

On 2014-11-15 7:35, Rafael J. Wysocki wrote:
> On Friday, October 31, 2014 11:55:46 PM Rafael J. Wysocki wrote:
>> On Friday, October 31, 2014 07:49:49 AM Hanjun Guo wrote:
>>> On 2014?10?31? 04:12, Rafael J. Wysocki wrote:
>>>> On Thursday, October 30, 2014 05:53:00 PM Hanjun Guo wrote:
>>>>> acpi_map_lsapic() will allocate a logical CPU number and map it to
>>>>> physical CPU id (such as APIC id) for the hot-added CPU, it will also
>>>>> do some mapping for NUMA node id and etc, acpi_unmap_lsapic() will
>>>>> do the reverse.
>>>>>
>>>>> We can see that the name of the function is a little bit confusing and
>>>>> arch dependent so rename them as acpi_(un)map_map() to make arch
>>>>
>>>> That's acpi_(un)map_cpu() I guess?
>>>
>>> ah, yes, typos, it should be acpi_(un)map_cpu(), my fault.
>>> should I send another version?
>>
>> No, I can fix this up.
> 
> I've queued up the series for 3.19, thanks!

Thanks!

Hanjun

[PATCH 1/3] ACPI / processor: Update the comments in processor.h

[Rafael J. Wysocki]

On Thursday, October 30, 2014 05:52:58 PM Hanjun Guo wrote:
> In commit 46ba51e (ACPI / processor: Introduce ARCH_MIGHT_HAVE_ACPI_PDC),
> acpi_processor_set_pdc() was moved to processor_pdc.c, so update
> the comments accordingly.
> 
> Signed-off-by: Hanjun Guo <hanjun.guo@linaro.org>

Patches [2-3/3] from this set need to be rebased on top of current linux-next
and resent, sorry about that.

> ---
>  include/acpi/processor.h |    4 +++-
>  1 file changed, 3 insertions(+), 1 deletion(-)
> 
> diff --git a/include/acpi/processor.h b/include/acpi/processor.h
> index 9b9b6f2..cbb6cd3 100644
> --- a/include/acpi/processor.h
> +++ b/include/acpi/processor.h
> @@ -313,11 +313,13 @@ static inline int acpi_processor_get_bios_limit(int cpu, unsigned int *limit)
>  #endif				/* CONFIG_CPU_FREQ */
>  
>  /* in processor_core.c */
> -void acpi_processor_set_pdc(acpi_handle handle);
>  int acpi_get_apicid(acpi_handle, int type, u32 acpi_id);
>  int acpi_map_cpuid(int apic_id, u32 acpi_id);
>  int acpi_get_cpuid(acpi_handle, int type, u32 acpi_id);
>  
> +/* in processor_pdc.c */
> +void acpi_processor_set_pdc(acpi_handle handle);
> +
>  /* in processor_throttling.c */
>  int acpi_processor_tstate_has_changed(struct acpi_processor *pr);
>  int acpi_processor_get_throttling_info(struct acpi_processor *pr);
> 

-- 
I speak only for myself.
Rafael J. Wysocki, Intel Open Source Technology Center.

[PATCH 1/3] ACPI / processor: Update the comments in processor.h

[Hanjun Guo]

On 2014/11/26 7:13, Rafael J. Wysocki wrote:
> On Thursday, October 30, 2014 05:52:58 PM Hanjun Guo wrote:
>> In commit 46ba51e (ACPI / processor: Introduce ARCH_MIGHT_HAVE_ACPI_PDC),
>> acpi_processor_set_pdc() was moved to processor_pdc.c, so update
>> the comments accordingly.
>>
>> Signed-off-by: Hanjun Guo <hanjun.guo@linaro.org>
> Patches [2-3/3] from this set need to be rebased on top of current linux-next
> and resent, sorry about that.

No problem. I will rebase and resend today.

Thanks
Hanjun