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yaml
---
r: 80276
b: refs/heads/master
c: ef97001
h: refs/heads/master
v: v3
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travis@sgi.com authored and Ingo Molnar committed Jan 30, 2008
1 parent 4a3277c commit b130544
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Showing 8 changed files with 31 additions and 27 deletions.
2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: a1bf250a6f31afb8caac166ae50dc7b89c38084c
refs/heads/master: ef97001f3d869d7cc1956e0cc0d89e514e3f7db0
4 changes: 2 additions & 2 deletions trunk/arch/x86/kernel/genapic_64.c
Original file line number Diff line number Diff line change
Expand Up @@ -32,10 +32,10 @@
* array during this time. Is it zeroed when the per_cpu
* data area is removed.
*/
u8 x86_cpu_to_apicid_init[NR_CPUS] __initdata
u16 x86_cpu_to_apicid_init[NR_CPUS] __initdata
= { [0 ... NR_CPUS-1] = BAD_APICID };
void *x86_cpu_to_apicid_ptr;
DEFINE_PER_CPU(u8, x86_cpu_to_apicid) = BAD_APICID;
DEFINE_PER_CPU(u16, x86_cpu_to_apicid) = BAD_APICID;
EXPORT_PER_CPU_SYMBOL(x86_cpu_to_apicid);

struct genapic __read_mostly *genapic = &apic_flat;
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4 changes: 2 additions & 2 deletions trunk/arch/x86/kernel/mpparse_64.c
Original file line number Diff line number Diff line change
Expand Up @@ -67,7 +67,7 @@ unsigned disabled_cpus __cpuinitdata;
/* Bitmask of physically existing CPUs */
physid_mask_t phys_cpu_present_map = PHYSID_MASK_NONE;

u8 bios_cpu_apicid[NR_CPUS] = { [0 ... NR_CPUS-1] = BAD_APICID };
u16 bios_cpu_apicid[NR_CPUS] = { [0 ... NR_CPUS-1] = BAD_APICID };


/*
Expand Down Expand Up @@ -132,7 +132,7 @@ static void __cpuinit MP_processor_info(struct mpc_config_processor *m)
* area is created.
*/
if (x86_cpu_to_apicid_ptr) {
u8 *x86_cpu_to_apicid = (u8 *)x86_cpu_to_apicid_ptr;
u16 *x86_cpu_to_apicid = (u16 *)x86_cpu_to_apicid_ptr;
x86_cpu_to_apicid[cpu] = m->mpc_apicid;
} else {
per_cpu(x86_cpu_to_apicid, cpu) = m->mpc_apicid;
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2 changes: 1 addition & 1 deletion trunk/arch/x86/kernel/smpboot_64.c
Original file line number Diff line number Diff line change
Expand Up @@ -65,7 +65,7 @@ int smp_num_siblings = 1;
EXPORT_SYMBOL(smp_num_siblings);

/* Last level cache ID of each logical CPU */
DEFINE_PER_CPU(u8, cpu_llc_id) = BAD_APICID;
DEFINE_PER_CPU(u16, cpu_llc_id) = BAD_APICID;

/* Bitmask of currently online CPUs */
cpumask_t cpu_online_map __read_mostly;
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2 changes: 1 addition & 1 deletion trunk/arch/x86/mm/numa_64.c
Original file line number Diff line number Diff line change
Expand Up @@ -626,7 +626,7 @@ void __init init_cpu_to_node(void)
int i;

for (i = 0; i < NR_CPUS; i++) {
u8 apicid = x86_cpu_to_apicid_init[i];
u16 apicid = x86_cpu_to_apicid_init[i];

if (apicid == BAD_APICID)
continue;
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22 changes: 13 additions & 9 deletions trunk/arch/x86/mm/srat_64.c
Original file line number Diff line number Diff line change
Expand Up @@ -130,6 +130,9 @@ void __init
acpi_numa_processor_affinity_init(struct acpi_srat_cpu_affinity *pa)
{
int pxm, node;
int apic_id;

apic_id = pa->apic_id;
if (srat_disabled())
return;
if (pa->header.length != sizeof(struct acpi_srat_cpu_affinity)) {
Expand All @@ -145,10 +148,10 @@ acpi_numa_processor_affinity_init(struct acpi_srat_cpu_affinity *pa)
bad_srat();
return;
}
apicid_to_node[pa->apic_id] = node;
apicid_to_node[apic_id] = node;
acpi_numa = 1;
printk(KERN_INFO "SRAT: PXM %u -> APIC %u -> Node %u\n",
pxm, pa->apic_id, node);
pxm, apic_id, node);
}

int update_end_of_memory(unsigned long end) {return -1;}
Expand Down Expand Up @@ -343,7 +346,8 @@ int __init acpi_scan_nodes(unsigned long start, unsigned long end)
/* First clean up the node list */
for (i = 0; i < MAX_NUMNODES; i++) {
cutoff_node(i, start, end);
if ((nodes[i].end - nodes[i].start) < NODE_MIN_SIZE) {
/* ZZZ why was this needed. At least add a comment */
if (nodes[i].end && (nodes[i].end - nodes[i].start) < NODE_MIN_SIZE) {
unparse_node(i);
node_set_offline(i);
}
Expand Down Expand Up @@ -384,6 +388,12 @@ int __init acpi_scan_nodes(unsigned long start, unsigned long end)
}

#ifdef CONFIG_NUMA_EMU
static int fake_node_to_pxm_map[MAX_NUMNODES] __initdata = {
[0 ... MAX_NUMNODES-1] = PXM_INVAL
};
static unsigned char fake_apicid_to_node[MAX_LOCAL_APIC] __initdata = {
[0 ... MAX_LOCAL_APIC-1] = NUMA_NO_NODE
};
static int __init find_node_by_addr(unsigned long addr)
{
int ret = NUMA_NO_NODE;
Expand Down Expand Up @@ -414,12 +424,6 @@ static int __init find_node_by_addr(unsigned long addr)
void __init acpi_fake_nodes(const struct bootnode *fake_nodes, int num_nodes)
{
int i, j;
int fake_node_to_pxm_map[MAX_NUMNODES] = {
[0 ... MAX_NUMNODES-1] = PXM_INVAL
};
unsigned char fake_apicid_to_node[MAX_LOCAL_APIC] = {
[0 ... MAX_LOCAL_APIC-1] = NUMA_NO_NODE
};

printk(KERN_INFO "Faking PXM affinity for fake nodes on real "
"topology.\n");
Expand Down
14 changes: 7 additions & 7 deletions trunk/include/asm-x86/processor.h
Original file line number Diff line number Diff line change
Expand Up @@ -90,14 +90,14 @@ struct cpuinfo_x86 {
#ifdef CONFIG_SMP
cpumask_t llc_shared_map; /* cpus sharing the last level cache */
#endif
unsigned char x86_max_cores; /* cpuid returned max cores value */
unsigned char apicid;
unsigned short x86_clflush_size;
u16 x86_max_cores; /* cpuid returned max cores value */
u16 apicid;
u16 x86_clflush_size;
#ifdef CONFIG_SMP
unsigned char booted_cores; /* number of cores as seen by OS */
__u8 phys_proc_id; /* Physical processor id. */
__u8 cpu_core_id; /* Core id */
__u8 cpu_index; /* index into per_cpu list */
u16 booted_cores; /* number of cores as seen by OS */
u16 phys_proc_id; /* Physical processor id. */
u16 cpu_core_id; /* Core id */
u16 cpu_index; /* index into per_cpu list */
#endif
} __attribute__((__aligned__(SMP_CACHE_BYTES)));

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8 changes: 4 additions & 4 deletions trunk/include/asm-x86/smp_64.h
Original file line number Diff line number Diff line change
Expand Up @@ -26,14 +26,14 @@ extern void unlock_ipi_call_lock(void);
extern int smp_call_function_mask(cpumask_t mask, void (*func)(void *),
void *info, int wait);

extern u8 __initdata x86_cpu_to_apicid_init[];
extern u16 __initdata x86_cpu_to_apicid_init[];
extern void *x86_cpu_to_apicid_ptr;
extern u8 bios_cpu_apicid[];
extern u16 bios_cpu_apicid[];

DECLARE_PER_CPU(cpumask_t, cpu_sibling_map);
DECLARE_PER_CPU(cpumask_t, cpu_core_map);
DECLARE_PER_CPU(u8, cpu_llc_id);
DECLARE_PER_CPU(u8, x86_cpu_to_apicid);
DECLARE_PER_CPU(u16, cpu_llc_id);
DECLARE_PER_CPU(u16, x86_cpu_to_apicid);

static inline int cpu_present_to_apicid(int mps_cpu)
{
Expand Down

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