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Subject[PATCH 050/114] x86, apic: unify phys_pkg_id()
Date
- unify the call signature of 64-bit to that of 32-bit

- clean up the types all around

- clean up namespace contamination

Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
arch/x86/include/asm/bigsmp/apic.h | 2 +-
arch/x86/include/asm/es7000/apic.h | 2 +-
arch/x86/include/asm/genapic.h | 6 +-----
arch/x86/include/asm/mach-default/mach_apic.h | 2 +-
arch/x86/include/asm/numaq/apic.h | 2 +-
arch/x86/include/asm/summit/apic.h | 5 +++--
arch/x86/kernel/cpu/addon_cpuid_features.c | 10 +---------
arch/x86/kernel/cpu/common.c | 11 +----------
arch/x86/kernel/genapic_flat_64.c | 6 +++---
arch/x86/kernel/genx2apic_cluster.c | 4 ++--
arch/x86/kernel/genx2apic_phys.c | 4 ++--
arch/x86/kernel/genx2apic_uv_x.c | 4 ++--
12 files changed, 19 insertions(+), 39 deletions(-)

diff --git a/arch/x86/include/asm/bigsmp/apic.h b/arch/x86/include/asm/bigsmp/apic.h
index f49d440..b7cba5b 100644
--- a/arch/x86/include/asm/bigsmp/apic.h
+++ b/arch/x86/include/asm/bigsmp/apic.h
@@ -133,7 +133,7 @@ static inline unsigned int cpu_mask_to_apicid_and(const struct cpumask *cpumask,
return BAD_APICID;
}

-static inline u32 phys_pkg_id(u32 cpuid_apic, int index_msb)
+static inline int phys_pkg_id(int cpuid_apic, int index_msb)
{
return cpuid_apic >> index_msb;
}
diff --git a/arch/x86/include/asm/es7000/apic.h b/arch/x86/include/asm/es7000/apic.h
index 038c4f0..d2c6c20 100644
--- a/arch/x86/include/asm/es7000/apic.h
+++ b/arch/x86/include/asm/es7000/apic.h
@@ -221,7 +221,7 @@ static inline unsigned int cpu_mask_to_apicid_and(const struct cpumask *inmask,
return apicid;
}

-static inline u32 phys_pkg_id(u32 cpuid_apic, int index_msb)
+static inline int phys_pkg_id(int cpuid_apic, int index_msb)
{
return cpuid_apic >> index_msb;
}
diff --git a/arch/x86/include/asm/genapic.h b/arch/x86/include/asm/genapic.h
index f292fd0..14b19de 100644
--- a/arch/x86/include/asm/genapic.h
+++ b/arch/x86/include/asm/genapic.h
@@ -48,11 +48,7 @@ struct genapic {
void (*setup_portio_remap)(void);
int (*check_phys_apicid_present)(int boot_cpu_physical_apicid);
void (*enable_apic_mode)(void);
-#ifdef CONFIG_X86_32
- u32 (*phys_pkg_id)(u32 cpuid_apic, int index_msb);
-#else
- unsigned int (*phys_pkg_id)(int index_msb);
-#endif
+ int (*phys_pkg_id)(int cpuid_apic, int index_msb);

/*
* When one of the next two hooks returns 1 the genapic
diff --git a/arch/x86/include/asm/mach-default/mach_apic.h b/arch/x86/include/asm/mach-default/mach_apic.h
index 3647c92..55797a3 100644
--- a/arch/x86/include/asm/mach-default/mach_apic.h
+++ b/arch/x86/include/asm/mach-default/mach_apic.h
@@ -65,7 +65,7 @@ static inline unsigned int cpu_mask_to_apicid_and(const struct cpumask *cpumask,
return (unsigned int)(mask1 & mask2 & mask3);
}

-static inline u32 phys_pkg_id(u32 cpuid_apic, int index_msb)
+static inline int phys_pkg_id(int cpuid_apic, int index_msb)
{
return cpuid_apic >> index_msb;
}
diff --git a/arch/x86/include/asm/numaq/apic.h b/arch/x86/include/asm/numaq/apic.h
index dc93c30..bc2c8a4 100644
--- a/arch/x86/include/asm/numaq/apic.h
+++ b/arch/x86/include/asm/numaq/apic.h
@@ -113,7 +113,7 @@ static inline unsigned int cpu_mask_to_apicid_and(const struct cpumask *cpumask,
}

/* No NUMA-Q box has a HT CPU, but it can't hurt to use the default code. */
-static inline u32 phys_pkg_id(u32 cpuid_apic, int index_msb)
+static inline int phys_pkg_id(int cpuid_apic, int index_msb)
{
return cpuid_apic >> index_msb;
}
diff --git a/arch/x86/include/asm/summit/apic.h b/arch/x86/include/asm/summit/apic.h
index 526d19e..64cd441 100644
--- a/arch/x86/include/asm/summit/apic.h
+++ b/arch/x86/include/asm/summit/apic.h
@@ -175,13 +175,14 @@ static inline unsigned int cpu_mask_to_apicid_and(const struct cpumask *inmask,
return apicid;
}

-/* cpuid returns the value latched in the HW at reset, not the APIC ID
+/*
+ * cpuid returns the value latched in the HW at reset, not the APIC ID
* register's value. For any box whose BIOS changes APIC IDs, like
* clustered APIC systems, we must use hard_smp_processor_id.
*
* See Intel's IA-32 SW Dev's Manual Vol2 under CPUID.
*/
-static inline u32 phys_pkg_id(u32 cpuid_apic, int index_msb)
+static inline int phys_pkg_id(int cpuid_apic, int index_msb)
{
return hard_smp_processor_id() >> index_msb;
}
diff --git a/arch/x86/kernel/cpu/addon_cpuid_features.c b/arch/x86/kernel/cpu/addon_cpuid_features.c
index 4e581fd..84f8e4a 100644
--- a/arch/x86/kernel/cpu/addon_cpuid_features.c
+++ b/arch/x86/kernel/cpu/addon_cpuid_features.c
@@ -116,7 +116,6 @@ void __cpuinit detect_extended_topology(struct cpuinfo_x86 *c)

core_select_mask = (~(-1 << core_plus_mask_width)) >> ht_mask_width;

-#ifdef CONFIG_X86_32
c->cpu_core_id = phys_pkg_id(c->initial_apicid, ht_mask_width)
& core_select_mask;
c->phys_proc_id = phys_pkg_id(c->initial_apicid, core_plus_mask_width);
@@ -124,14 +123,7 @@ void __cpuinit detect_extended_topology(struct cpuinfo_x86 *c)
* Reinit the apicid, now that we have extended initial_apicid.
*/
c->apicid = phys_pkg_id(c->initial_apicid, 0);
-#else
- c->cpu_core_id = phys_pkg_id(ht_mask_width) & core_select_mask;
- c->phys_proc_id = phys_pkg_id(core_plus_mask_width);
- /*
- * Reinit the apicid, now that we have extended initial_apicid.
- */
- c->apicid = phys_pkg_id(0);
-#endif
+
c->x86_max_cores = (core_level_siblings / smp_num_siblings);


diff --git a/arch/x86/kernel/cpu/common.c b/arch/x86/kernel/cpu/common.c
index 275e2cb..93c491c 100644
--- a/arch/x86/kernel/cpu/common.c
+++ b/arch/x86/kernel/cpu/common.c
@@ -442,11 +442,7 @@ void __cpuinit detect_ht(struct cpuinfo_x86 *c)
}

index_msb = get_count_order(smp_num_siblings);
-#ifdef CONFIG_X86_64
- c->phys_proc_id = phys_pkg_id(index_msb);
-#else
c->phys_proc_id = phys_pkg_id(c->initial_apicid, index_msb);
-#endif

smp_num_siblings = smp_num_siblings / c->x86_max_cores;

@@ -454,13 +450,8 @@ void __cpuinit detect_ht(struct cpuinfo_x86 *c)

core_bits = get_count_order(c->x86_max_cores);

-#ifdef CONFIG_X86_64
- c->cpu_core_id = phys_pkg_id(index_msb) &
- ((1 << core_bits) - 1);
-#else
c->cpu_core_id = phys_pkg_id(c->initial_apicid, index_msb) &
((1 << core_bits) - 1);
-#endif
}

out:
@@ -742,7 +733,7 @@ static void __cpuinit identify_cpu(struct cpuinfo_x86 *c)
this_cpu->c_identify(c);

#ifdef CONFIG_X86_64
- c->apicid = phys_pkg_id(0);
+ c->apicid = phys_pkg_id(c->initial_apicid, 0);
#endif

/*
diff --git a/arch/x86/kernel/genapic_flat_64.c b/arch/x86/kernel/genapic_flat_64.c
index 78adf71..cc9e07b 100644
--- a/arch/x86/kernel/genapic_flat_64.c
+++ b/arch/x86/kernel/genapic_flat_64.c
@@ -169,7 +169,7 @@ static unsigned int flat_cpu_mask_to_apicid_and(const struct cpumask *cpumask,
return mask1 & mask2;
}

-static unsigned int phys_pkg_id(int index_msb)
+static int flat_phys_pkg_id(int initial_apic_id, int index_msb)
{
return hard_smp_processor_id() >> index_msb;
}
@@ -202,7 +202,7 @@ struct genapic apic_flat = {
.setup_portio_remap = NULL,
.check_phys_apicid_present = default_check_phys_apicid_present,
.enable_apic_mode = NULL,
- .phys_pkg_id = phys_pkg_id,
+ .phys_pkg_id = flat_phys_pkg_id,
.mps_oem_check = NULL,

.get_apic_id = get_apic_id,
@@ -346,7 +346,7 @@ struct genapic apic_physflat = {
.setup_portio_remap = NULL,
.check_phys_apicid_present = default_check_phys_apicid_present,
.enable_apic_mode = NULL,
- .phys_pkg_id = phys_pkg_id,
+ .phys_pkg_id = flat_phys_pkg_id,
.mps_oem_check = NULL,

.get_apic_id = get_apic_id,
diff --git a/arch/x86/kernel/genx2apic_cluster.c b/arch/x86/kernel/genx2apic_cluster.c
index 7062e24..18b6f14 100644
--- a/arch/x86/kernel/genx2apic_cluster.c
+++ b/arch/x86/kernel/genx2apic_cluster.c
@@ -157,7 +157,7 @@ static unsigned long set_apic_id(unsigned int id)
return x;
}

-static unsigned int phys_pkg_id(int index_msb)
+static int x2apic_cluster_phys_pkg_id(int initial_apicid, int index_msb)
{
return current_cpu_data.initial_apicid >> index_msb;
}
@@ -204,7 +204,7 @@ struct genapic apic_x2apic_cluster = {
.setup_portio_remap = NULL,
.check_phys_apicid_present = default_check_phys_apicid_present,
.enable_apic_mode = NULL,
- .phys_pkg_id = phys_pkg_id,
+ .phys_pkg_id = x2apic_cluster_phys_pkg_id,
.mps_oem_check = NULL,

.get_apic_id = get_apic_id,
diff --git a/arch/x86/kernel/genx2apic_phys.c b/arch/x86/kernel/genx2apic_phys.c
index 7177a11..2cb6f49 100644
--- a/arch/x86/kernel/genx2apic_phys.c
+++ b/arch/x86/kernel/genx2apic_phys.c
@@ -156,7 +156,7 @@ static unsigned long set_apic_id(unsigned int id)
return x;
}

-static unsigned int phys_pkg_id(int index_msb)
+static int x2apic_phys_pkg_id(int initial_apicid, int index_msb)
{
return current_cpu_data.initial_apicid >> index_msb;
}
@@ -200,7 +200,7 @@ struct genapic apic_x2apic_phys = {
.setup_portio_remap = NULL,
.check_phys_apicid_present = default_check_phys_apicid_present,
.enable_apic_mode = NULL,
- .phys_pkg_id = phys_pkg_id,
+ .phys_pkg_id = x2apic_phys_pkg_id,
.mps_oem_check = NULL,

.get_apic_id = get_apic_id,
diff --git a/arch/x86/kernel/genx2apic_uv_x.c b/arch/x86/kernel/genx2apic_uv_x.c
index debd721..67e7658 100644
--- a/arch/x86/kernel/genx2apic_uv_x.c
+++ b/arch/x86/kernel/genx2apic_uv_x.c
@@ -226,7 +226,7 @@ static unsigned int uv_read_apic_id(void)
return get_apic_id(apic_read(APIC_ID));
}

-static unsigned int phys_pkg_id(int index_msb)
+static int uv_phys_pkg_id(int initial_apicid, int index_msb)
{
return uv_read_apic_id() >> index_msb;
}
@@ -265,7 +265,7 @@ struct genapic apic_x2apic_uv_x = {
.setup_portio_remap = NULL,
.check_phys_apicid_present = default_check_phys_apicid_present,
.enable_apic_mode = NULL,
- .phys_pkg_id = phys_pkg_id,
+ .phys_pkg_id = uv_phys_pkg_id,
.mps_oem_check = NULL,

.get_apic_id = get_apic_id,
--
1.6.0.2


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