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Message-Id: <1443813145-29102-1-git-send-email-dvlasenk@redhat.com>
Date:	Fri,  2 Oct 2015 21:12:23 +0200
From:	Denys Vlasenko <dvlasenk@...hat.com>
To:	Ingo Molnar <mingo@...nel.org>
Cc:	Denys Vlasenko <dvlasenk@...hat.com>,
	Daniel J Blueman <daniel@...ascale.com>,
	Jiang Liu <jiang.liu@...ux.intel.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	Len Brown <len.brown@...el.com>, x86@...nel.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH 1/3] x86/apic: Rename MAX_LOCAL_APIC to MAX_LOCAL_APICID

On 09/26/2015 08:08 AM, Ingo Molnar wrote:
>> # define MAX_IO_APICS 128
>> # define MAX_LOCAL_APIC 32768
>> #endif
>>
>> (It seems to be a bit of a misnomer, it's not a maximum
>> number of APICs we support, it's the highest APIC _id_
>> we support.)
>
> Gah, that's a pretty serious misnomer - so it should be fixed regardless of
> the outcome of the sizing discussion.

So renamed. No code changes.

Signed-off-by: Denys Vlasenko <dvlasenk@...hat.com>
CC: Ingo Molnar <mingo@...nel.org>
CC: Daniel J Blueman <daniel@...ascale.com>
CC: Jiang Liu <jiang.liu@...ux.intel.com>
CC: Thomas Gleixner <tglx@...utronix.de>
CC: Len Brown <len.brown@...el.com>
CC: x86@...nel.org
CC: linux-kernel@...r.kernel.org
---
 arch/x86/include/asm/apicdef.h |  4 ++--
 arch/x86/include/asm/mpspec.h  | 20 ++++++++++----------
 arch/x86/include/asm/numa.h    |  2 +-
 arch/x86/kernel/acpi/boot.c    |  8 ++++----
 arch/x86/kernel/apic/apic.c    |  2 +-
 arch/x86/kernel/cpu/amd.c      |  2 +-
 arch/x86/mm/numa.c             |  6 +++---
 arch/x86/mm/srat.c             |  4 ++--
 arch/x86/platform/sfi/sfi.c    |  4 ++--
 9 files changed, 26 insertions(+), 26 deletions(-)

diff --git a/arch/x86/include/asm/apicdef.h b/arch/x86/include/asm/apicdef.h
index c46bb99..ccb3a04 100644
--- a/arch/x86/include/asm/apicdef.h
+++ b/arch/x86/include/asm/apicdef.h
@@ -149,10 +149,10 @@
 
 #ifdef CONFIG_X86_32
 # define MAX_IO_APICS 64
-# define MAX_LOCAL_APIC 256
+# define MAX_LOCAL_APICID 256
 #else
 # define MAX_IO_APICS 128
-# define MAX_LOCAL_APIC 32768
+# define MAX_LOCAL_APICID 32768
 #endif
 
 /*
diff --git a/arch/x86/include/asm/mpspec.h b/arch/x86/include/asm/mpspec.h
index b07233b..e84e542 100644
--- a/arch/x86/include/asm/mpspec.h
+++ b/arch/x86/include/asm/mpspec.h
@@ -87,7 +87,7 @@ static inline void early_reserve_e820_mpc_new(void) { }
 
 int generic_processor_info(int apicid, int version);
 
-#define PHYSID_ARRAY_SIZE	BITS_TO_LONGS(MAX_LOCAL_APIC)
+#define PHYSID_ARRAY_SIZE	BITS_TO_LONGS(MAX_LOCAL_APICID)
 
 struct physid_mask {
 	unsigned long mask[PHYSID_ARRAY_SIZE];
@@ -102,31 +102,31 @@ typedef struct physid_mask physid_mask_t;
 	test_and_set_bit(physid, (map).mask)
 
 #define physids_and(dst, src1, src2)					\
-	bitmap_and((dst).mask, (src1).mask, (src2).mask, MAX_LOCAL_APIC)
+	bitmap_and((dst).mask, (src1).mask, (src2).mask, MAX_LOCAL_APICID)
 
 #define physids_or(dst, src1, src2)					\
-	bitmap_or((dst).mask, (src1).mask, (src2).mask, MAX_LOCAL_APIC)
+	bitmap_or((dst).mask, (src1).mask, (src2).mask, MAX_LOCAL_APICID)
 
 #define physids_clear(map)					\
-	bitmap_zero((map).mask, MAX_LOCAL_APIC)
+	bitmap_zero((map).mask, MAX_LOCAL_APICID)
 
 #define physids_complement(dst, src)				\
-	bitmap_complement((dst).mask, (src).mask, MAX_LOCAL_APIC)
+	bitmap_complement((dst).mask, (src).mask, MAX_LOCAL_APICID)
 
 #define physids_empty(map)					\
-	bitmap_empty((map).mask, MAX_LOCAL_APIC)
+	bitmap_empty((map).mask, MAX_LOCAL_APICID)
 
 #define physids_equal(map1, map2)				\
-	bitmap_equal((map1).mask, (map2).mask, MAX_LOCAL_APIC)
+	bitmap_equal((map1).mask, (map2).mask, MAX_LOCAL_APICID)
 
 #define physids_weight(map)					\
-	bitmap_weight((map).mask, MAX_LOCAL_APIC)
+	bitmap_weight((map).mask, MAX_LOCAL_APICID)
 
 #define physids_shift_right(d, s, n)				\
-	bitmap_shift_right((d).mask, (s).mask, n, MAX_LOCAL_APIC)
+	bitmap_shift_right((d).mask, (s).mask, n, MAX_LOCAL_APICID)
 
 #define physids_shift_left(d, s, n)				\
-	bitmap_shift_left((d).mask, (s).mask, n, MAX_LOCAL_APIC)
+	bitmap_shift_left((d).mask, (s).mask, n, MAX_LOCAL_APICID)
 
 static inline unsigned long physids_coerce(physid_mask_t *map)
 {
diff --git a/arch/x86/include/asm/numa.h b/arch/x86/include/asm/numa.h
index 01b493e..c2ecfd0 100644
--- a/arch/x86/include/asm/numa.h
+++ b/arch/x86/include/asm/numa.h
@@ -27,7 +27,7 @@ extern int numa_off;
  * should be accessed by the accessors - set_apicid_to_node() and
  * numa_cpu_node().
  */
-extern s16 __apicid_to_node[MAX_LOCAL_APIC];
+extern s16 __apicid_to_node[MAX_LOCAL_APICID];
 extern nodemask_t numa_nodes_parsed __initdata;
 
 extern int __init numa_add_memblk(int nodeid, u64 start, u64 end);
diff --git a/arch/x86/kernel/acpi/boot.c b/arch/x86/kernel/acpi/boot.c
index ded848c..2a0397b 100644
--- a/arch/x86/kernel/acpi/boot.c
+++ b/arch/x86/kernel/acpi/boot.c
@@ -169,7 +169,7 @@ static int acpi_register_lapic(int id, u8 enabled)
 {
 	unsigned int ver = 0;
 
-	if (id >= MAX_LOCAL_APIC) {
+	if (id >= MAX_LOCAL_APICID) {
 		printk(KERN_INFO PREFIX "skipped apicid that is too big\n");
 		return -EINVAL;
 	}
@@ -996,13 +996,13 @@ static int __init acpi_parse_madt_lapic_entries(void)
 	register_lapic_address(acpi_lapic_addr);
 
 	count = acpi_table_parse_madt(ACPI_MADT_TYPE_LOCAL_SAPIC,
-				      acpi_parse_sapic, MAX_LOCAL_APIC);
+				      acpi_parse_sapic, MAX_LOCAL_APICID);
 
 	if (!count) {
 		x2count = acpi_table_parse_madt(ACPI_MADT_TYPE_LOCAL_X2APIC,
-					acpi_parse_x2apic, MAX_LOCAL_APIC);
+					acpi_parse_x2apic, MAX_LOCAL_APICID);
 		count = acpi_table_parse_madt(ACPI_MADT_TYPE_LOCAL_APIC,
-					acpi_parse_lapic, MAX_LOCAL_APIC);
+					acpi_parse_lapic, MAX_LOCAL_APICID);
 	}
 	if (!count && !x2count) {
 		printk(KERN_ERR PREFIX "No LAPIC entries present\n");
diff --git a/arch/x86/kernel/apic/apic.c b/arch/x86/kernel/apic/apic.c
index 24e94ce..b08b447 100644
--- a/arch/x86/kernel/apic/apic.c
+++ b/arch/x86/kernel/apic/apic.c
@@ -1798,7 +1798,7 @@ void __init register_lapic_address(unsigned long address)
 	}
 }
 
-int apic_version[MAX_LOCAL_APIC];
+int apic_version[MAX_LOCAL_APICID];
 
 /*
  * Local APIC interrupts
diff --git a/arch/x86/kernel/cpu/amd.c b/arch/x86/kernel/cpu/amd.c
index 4a70fc6..57bc7dd 100644
--- a/arch/x86/kernel/cpu/amd.c
+++ b/arch/x86/kernel/cpu/amd.c
@@ -281,7 +281,7 @@ static int nearby_node(int apicid)
 		if (node != NUMA_NO_NODE && node_online(node))
 			return node;
 	}
-	for (i = apicid + 1; i < MAX_LOCAL_APIC; i++) {
+	for (i = apicid + 1; i < MAX_LOCAL_APICID; i++) {
 		node = __apicid_to_node[i];
 		if (node != NUMA_NO_NODE && node_online(node))
 			return node;
diff --git a/arch/x86/mm/numa.c b/arch/x86/mm/numa.c
index c3b3f65..c80d43b 100644
--- a/arch/x86/mm/numa.c
+++ b/arch/x86/mm/numa.c
@@ -56,8 +56,8 @@ early_param("numa", numa_setup);
 /*
  * apicid, cpu, node mappings
  */
-s16 __apicid_to_node[MAX_LOCAL_APIC] = {
-	[0 ... MAX_LOCAL_APIC-1] = NUMA_NO_NODE
+s16 __apicid_to_node[MAX_LOCAL_APICID] = {
+	[0 ... MAX_LOCAL_APICID-1] = NUMA_NO_NODE
 };
 
 int numa_cpu_node(int cpu)
@@ -607,7 +607,7 @@ static int __init numa_init(int (*init_func)(void))
 	int i;
 	int ret;
 
-	for (i = 0; i < MAX_LOCAL_APIC; i++)
+	for (i = 0; i < MAX_LOCAL_APICID; i++)
 		set_apicid_to_node(i, NUMA_NO_NODE);
 
 	nodes_clear(numa_nodes_parsed);
diff --git a/arch/x86/mm/srat.c b/arch/x86/mm/srat.c
index c2aea63..02896fc 100644
--- a/arch/x86/mm/srat.c
+++ b/arch/x86/mm/srat.c
@@ -98,7 +98,7 @@ acpi_numa_x2apic_affinity_init(struct acpi_srat_x2apic_cpu_affinity *pa)
 		return;
 	}
 
-	if (apic_id >= MAX_LOCAL_APIC) {
+	if (apic_id >= MAX_LOCAL_APICID) {
 		printk(KERN_INFO "SRAT: PXM %u -> APIC 0x%04x -> Node %u skipped apicid that is too big\n", pxm, apic_id, node);
 		return;
 	}
@@ -139,7 +139,7 @@ acpi_numa_processor_affinity_init(struct acpi_srat_cpu_affinity *pa)
 	else
 		apic_id = pa->apic_id;
 
-	if (apic_id >= MAX_LOCAL_APIC) {
+	if (apic_id >= MAX_LOCAL_APICID) {
 		printk(KERN_INFO "SRAT: PXM %u -> APIC 0x%02x -> Node %u skipped apicid that is too big\n", pxm, apic_id, node);
 		return;
 	}
diff --git a/arch/x86/platform/sfi/sfi.c b/arch/x86/platform/sfi/sfi.c
index 6c7111b..4c541ac 100644
--- a/arch/x86/platform/sfi/sfi.c
+++ b/arch/x86/platform/sfi/sfi.c
@@ -38,9 +38,9 @@ static unsigned long sfi_lapic_addr __initdata = APIC_DEFAULT_PHYS_BASE;
 /* All CPUs enumerated by SFI must be present and enabled */
 static void __init mp_sfi_register_lapic(u8 id)
 {
-	if (MAX_LOCAL_APIC - id <= 0) {
+	if (MAX_LOCAL_APICID - id <= 0) {
 		pr_warning("Processor #%d invalid (max %d)\n",
-			id, MAX_LOCAL_APIC);
+			id, MAX_LOCAL_APICID);
 		return;
 	}
 
-- 
1.8.1.4

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