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authorBenjamin Herrenschmidt <benh@kernel.crashing.org>2009-01-08 00:24:38 -0500
committerBenjamin Herrenschmidt <benh@kernel.crashing.org>2009-01-08 00:24:38 -0500
commit24f030175d30f019be41766cdf88c2ff03de19ff (patch)
tree354232a84e82d5a721ed7b1a9af580ff2a59be8f /arch/alpha/kernel
parent4aa12f7b927c3cac0e0cf3503642597527d0ece0 (diff)
parent9e42d0cf5020aaf217433cad1a224745241d212a (diff)
Merge commit 'origin/master' into next
Diffstat (limited to 'arch/alpha/kernel')
-rw-r--r--arch/alpha/kernel/Makefile2
-rw-r--r--arch/alpha/kernel/binfmt_loader.c51
-rw-r--r--arch/alpha/kernel/irq.c5
-rw-r--r--arch/alpha/kernel/pci.c18
-rw-r--r--arch/alpha/kernel/pci_impl.h13
-rw-r--r--arch/alpha/kernel/process.c2
-rw-r--r--arch/alpha/kernel/setup.c5
-rw-r--r--arch/alpha/kernel/smp.c7
-rw-r--r--arch/alpha/kernel/sys_dp264.c10
-rw-r--r--arch/alpha/kernel/sys_eiger.c2
-rw-r--r--arch/alpha/kernel/sys_miata.c2
-rw-r--r--arch/alpha/kernel/sys_noritake.c2
-rw-r--r--arch/alpha/kernel/sys_ruffian.c2
-rw-r--r--arch/alpha/kernel/sys_sable.c2
-rw-r--r--arch/alpha/kernel/sys_titan.c4
15 files changed, 80 insertions, 47 deletions
diff --git a/arch/alpha/kernel/Makefile b/arch/alpha/kernel/Makefile
index ac706c1d7ada..b4697759a123 100644
--- a/arch/alpha/kernel/Makefile
+++ b/arch/alpha/kernel/Makefile
@@ -8,7 +8,7 @@ EXTRA_CFLAGS := -Werror -Wno-sign-compare
8 8
9obj-y := entry.o traps.o process.o init_task.o osf_sys.o irq.o \ 9obj-y := entry.o traps.o process.o init_task.o osf_sys.o irq.o \
10 irq_alpha.o signal.o setup.o ptrace.o time.o \ 10 irq_alpha.o signal.o setup.o ptrace.o time.o \
11 alpha_ksyms.o systbls.o err_common.o io.o 11 alpha_ksyms.o systbls.o err_common.o io.o binfmt_loader.o
12 12
13obj-$(CONFIG_VGA_HOSE) += console.o 13obj-$(CONFIG_VGA_HOSE) += console.o
14obj-$(CONFIG_SMP) += smp.o 14obj-$(CONFIG_SMP) += smp.o
diff --git a/arch/alpha/kernel/binfmt_loader.c b/arch/alpha/kernel/binfmt_loader.c
new file mode 100644
index 000000000000..4a0af906b00a
--- /dev/null
+++ b/arch/alpha/kernel/binfmt_loader.c
@@ -0,0 +1,51 @@
1#include <linux/init.h>
2#include <linux/fs.h>
3#include <linux/file.h>
4#include <linux/mm_types.h>
5#include <linux/binfmts.h>
6#include <linux/a.out.h>
7
8static int load_binary(struct linux_binprm *bprm, struct pt_regs *regs)
9{
10 struct exec *eh = (struct exec *)bprm->buf;
11 unsigned long loader;
12 struct file *file;
13 int retval;
14
15 if (eh->fh.f_magic != 0x183 || (eh->fh.f_flags & 0x3000) != 0x3000)
16 return -ENOEXEC;
17
18 if (bprm->loader)
19 return -ENOEXEC;
20
21 allow_write_access(bprm->file);
22 fput(bprm->file);
23 bprm->file = NULL;
24
25 loader = bprm->vma->vm_end - sizeof(void *);
26
27 file = open_exec("/sbin/loader");
28 retval = PTR_ERR(file);
29 if (IS_ERR(file))
30 return retval;
31
32 /* Remember if the application is TASO. */
33 bprm->taso = eh->ah.entry < 0x100000000UL;
34
35 bprm->file = file;
36 bprm->loader = loader;
37 retval = prepare_binprm(bprm);
38 if (retval < 0)
39 return retval;
40 return search_binary_handler(bprm,regs);
41}
42
43static struct linux_binfmt loader_format = {
44 .load_binary = load_binary,
45};
46
47static int __init init_loader_binfmt(void)
48{
49 return register_binfmt(&loader_format);
50}
51arch_initcall(init_loader_binfmt);
diff --git a/arch/alpha/kernel/irq.c b/arch/alpha/kernel/irq.c
index c626a821cdcb..703731accda6 100644
--- a/arch/alpha/kernel/irq.c
+++ b/arch/alpha/kernel/irq.c
@@ -50,12 +50,13 @@ int irq_select_affinity(unsigned int irq)
50 if (!irq_desc[irq].chip->set_affinity || irq_user_affinity[irq]) 50 if (!irq_desc[irq].chip->set_affinity || irq_user_affinity[irq])
51 return 1; 51 return 1;
52 52
53 while (!cpu_possible(cpu) || !cpu_isset(cpu, irq_default_affinity)) 53 while (!cpu_possible(cpu) ||
54 !cpumask_test_cpu(cpu, irq_default_affinity))
54 cpu = (cpu < (NR_CPUS-1) ? cpu + 1 : 0); 55 cpu = (cpu < (NR_CPUS-1) ? cpu + 1 : 0);
55 last_cpu = cpu; 56 last_cpu = cpu;
56 57
57 irq_desc[irq].affinity = cpumask_of_cpu(cpu); 58 irq_desc[irq].affinity = cpumask_of_cpu(cpu);
58 irq_desc[irq].chip->set_affinity(irq, cpumask_of_cpu(cpu)); 59 irq_desc[irq].chip->set_affinity(irq, cpumask_of(cpu));
59 return 0; 60 return 0;
60} 61}
61#endif /* CONFIG_SMP */ 62#endif /* CONFIG_SMP */
diff --git a/arch/alpha/kernel/pci.c b/arch/alpha/kernel/pci.c
index ff8cb638472e..a3b938811400 100644
--- a/arch/alpha/kernel/pci.c
+++ b/arch/alpha/kernel/pci.c
@@ -320,24 +320,6 @@ pcibios_update_irq(struct pci_dev *dev, int irq)
320 pci_write_config_byte(dev, PCI_INTERRUPT_LINE, irq); 320 pci_write_config_byte(dev, PCI_INTERRUPT_LINE, irq);
321} 321}
322 322
323/* Most Alphas have straight-forward swizzling needs. */
324
325u8 __init
326common_swizzle(struct pci_dev *dev, u8 *pinp)
327{
328 u8 pin = *pinp;
329
330 while (dev->bus->parent) {
331 pin = bridge_swizzle(pin, PCI_SLOT(dev->devfn));
332 /* Move up the chain of bridges. */
333 dev = dev->bus->self;
334 }
335 *pinp = pin;
336
337 /* The slot is the slot of the last bridge. */
338 return PCI_SLOT(dev->devfn);
339}
340
341void 323void
342pcibios_resource_to_bus(struct pci_dev *dev, struct pci_bus_region *region, 324pcibios_resource_to_bus(struct pci_dev *dev, struct pci_bus_region *region,
343 struct resource *res) 325 struct resource *res)
diff --git a/arch/alpha/kernel/pci_impl.h b/arch/alpha/kernel/pci_impl.h
index f8b74995a002..00edd04b585e 100644
--- a/arch/alpha/kernel/pci_impl.h
+++ b/arch/alpha/kernel/pci_impl.h
@@ -106,16 +106,11 @@ struct pci_iommu_arena;
106 * Where A = pin 1, B = pin 2 and so on and pin=0 = default = A. 106 * Where A = pin 1, B = pin 2 and so on and pin=0 = default = A.
107 * Thus, each swizzle is ((pin-1) + (device#-4)) % 4 107 * Thus, each swizzle is ((pin-1) + (device#-4)) % 4
108 * 108 *
109 * The following code swizzles for exactly one bridge. The routine 109 * pci_swizzle_interrupt_pin() swizzles for exactly one bridge. The routine
110 * common_swizzle below handles multiple bridges. But there are a 110 * pci_common_swizzle() handles multiple bridges. But there are a
111 * couple boards that do strange things, so we define this here. 111 * couple boards that do strange things.
112 */ 112 */
113 113
114static inline u8 bridge_swizzle(u8 pin, u8 slot)
115{
116 return (((pin-1) + slot) % 4) + 1;
117}
118
119 114
120/* The following macro is used to implement the table-based irq mapping 115/* The following macro is used to implement the table-based irq mapping
121 function for all single-bus Alphas. */ 116 function for all single-bus Alphas. */
@@ -184,7 +179,7 @@ extern int pci_probe_only;
184extern unsigned long alpha_agpgart_size; 179extern unsigned long alpha_agpgart_size;
185 180
186extern void common_init_pci(void); 181extern void common_init_pci(void);
187extern u8 common_swizzle(struct pci_dev *, u8 *); 182#define common_swizzle pci_common_swizzle
188extern struct pci_controller *alloc_pci_controller(void); 183extern struct pci_controller *alloc_pci_controller(void);
189extern struct resource *alloc_resource(void); 184extern struct resource *alloc_resource(void);
190 185
diff --git a/arch/alpha/kernel/process.c b/arch/alpha/kernel/process.c
index 351407e07e71..f238370c907d 100644
--- a/arch/alpha/kernel/process.c
+++ b/arch/alpha/kernel/process.c
@@ -94,6 +94,7 @@ common_shutdown_1(void *generic_ptr)
94 flags |= 0x00040000UL; /* "remain halted" */ 94 flags |= 0x00040000UL; /* "remain halted" */
95 *pflags = flags; 95 *pflags = flags;
96 cpu_clear(cpuid, cpu_present_map); 96 cpu_clear(cpuid, cpu_present_map);
97 cpu_clear(cpuid, cpu_possible_map);
97 halt(); 98 halt();
98 } 99 }
99#endif 100#endif
@@ -120,6 +121,7 @@ common_shutdown_1(void *generic_ptr)
120#ifdef CONFIG_SMP 121#ifdef CONFIG_SMP
121 /* Wait for the secondaries to halt. */ 122 /* Wait for the secondaries to halt. */
122 cpu_clear(boot_cpuid, cpu_present_map); 123 cpu_clear(boot_cpuid, cpu_present_map);
124 cpu_clear(boot_cpuid, cpu_possible_map);
123 while (cpus_weight(cpu_present_map)) 125 while (cpus_weight(cpu_present_map))
124 barrier(); 126 barrier();
125#endif 127#endif
diff --git a/arch/alpha/kernel/setup.c b/arch/alpha/kernel/setup.c
index a449e999027c..02bee6983ce2 100644
--- a/arch/alpha/kernel/setup.c
+++ b/arch/alpha/kernel/setup.c
@@ -79,6 +79,11 @@ int alpha_l3_cacheshape;
79unsigned long alpha_verbose_mcheck = CONFIG_VERBOSE_MCHECK_ON; 79unsigned long alpha_verbose_mcheck = CONFIG_VERBOSE_MCHECK_ON;
80#endif 80#endif
81 81
82#ifdef CONFIG_NUMA
83struct cpumask node_to_cpumask_map[MAX_NUMNODES] __read_mostly;
84EXPORT_SYMBOL(node_to_cpumask_map);
85#endif
86
82/* Which processor we booted from. */ 87/* Which processor we booted from. */
83int boot_cpuid; 88int boot_cpuid;
84 89
diff --git a/arch/alpha/kernel/smp.c b/arch/alpha/kernel/smp.c
index cf7da10097bb..d953e510f68d 100644
--- a/arch/alpha/kernel/smp.c
+++ b/arch/alpha/kernel/smp.c
@@ -70,11 +70,6 @@ enum ipi_message_type {
70/* Set to a secondary's cpuid when it comes online. */ 70/* Set to a secondary's cpuid when it comes online. */
71static int smp_secondary_alive __devinitdata = 0; 71static int smp_secondary_alive __devinitdata = 0;
72 72
73/* Which cpus ids came online. */
74cpumask_t cpu_online_map;
75
76EXPORT_SYMBOL(cpu_online_map);
77
78int smp_num_probed; /* Internal processor count */ 73int smp_num_probed; /* Internal processor count */
79int smp_num_cpus = 1; /* Number that came online. */ 74int smp_num_cpus = 1; /* Number that came online. */
80EXPORT_SYMBOL(smp_num_cpus); 75EXPORT_SYMBOL(smp_num_cpus);
@@ -440,6 +435,7 @@ setup_smp(void)
440 ((char *)cpubase + i*hwrpb->processor_size); 435 ((char *)cpubase + i*hwrpb->processor_size);
441 if ((cpu->flags & 0x1cc) == 0x1cc) { 436 if ((cpu->flags & 0x1cc) == 0x1cc) {
442 smp_num_probed++; 437 smp_num_probed++;
438 cpu_set(i, cpu_possible_map);
443 cpu_set(i, cpu_present_map); 439 cpu_set(i, cpu_present_map);
444 cpu->pal_revision = boot_cpu_palrev; 440 cpu->pal_revision = boot_cpu_palrev;
445 } 441 }
@@ -473,6 +469,7 @@ smp_prepare_cpus(unsigned int max_cpus)
473 469
474 /* Nothing to do on a UP box, or when told not to. */ 470 /* Nothing to do on a UP box, or when told not to. */
475 if (smp_num_probed == 1 || max_cpus == 0) { 471 if (smp_num_probed == 1 || max_cpus == 0) {
472 cpu_possible_map = cpumask_of_cpu(boot_cpuid);
476 cpu_present_map = cpumask_of_cpu(boot_cpuid); 473 cpu_present_map = cpumask_of_cpu(boot_cpuid);
477 printk(KERN_INFO "SMP mode deactivated.\n"); 474 printk(KERN_INFO "SMP mode deactivated.\n");
478 return; 475 return;
diff --git a/arch/alpha/kernel/sys_dp264.c b/arch/alpha/kernel/sys_dp264.c
index c71b0fd7a61f..9c9d1fd4155f 100644
--- a/arch/alpha/kernel/sys_dp264.c
+++ b/arch/alpha/kernel/sys_dp264.c
@@ -177,19 +177,19 @@ cpu_set_irq_affinity(unsigned int irq, cpumask_t affinity)
177} 177}
178 178
179static void 179static void
180dp264_set_affinity(unsigned int irq, cpumask_t affinity) 180dp264_set_affinity(unsigned int irq, const struct cpumask *affinity)
181{ 181{
182 spin_lock(&dp264_irq_lock); 182 spin_lock(&dp264_irq_lock);
183 cpu_set_irq_affinity(irq, affinity); 183 cpu_set_irq_affinity(irq, *affinity);
184 tsunami_update_irq_hw(cached_irq_mask); 184 tsunami_update_irq_hw(cached_irq_mask);
185 spin_unlock(&dp264_irq_lock); 185 spin_unlock(&dp264_irq_lock);
186} 186}
187 187
188static void 188static void
189clipper_set_affinity(unsigned int irq, cpumask_t affinity) 189clipper_set_affinity(unsigned int irq, const struct cpumask *affinity)
190{ 190{
191 spin_lock(&dp264_irq_lock); 191 spin_lock(&dp264_irq_lock);
192 cpu_set_irq_affinity(irq - 16, affinity); 192 cpu_set_irq_affinity(irq - 16, *affinity);
193 tsunami_update_irq_hw(cached_irq_mask); 193 tsunami_update_irq_hw(cached_irq_mask);
194 spin_unlock(&dp264_irq_lock); 194 spin_unlock(&dp264_irq_lock);
195} 195}
@@ -481,7 +481,7 @@ monet_swizzle(struct pci_dev *dev, u8 *pinp)
481 slot = PCI_SLOT(dev->devfn); 481 slot = PCI_SLOT(dev->devfn);
482 break; 482 break;
483 } 483 }
484 pin = bridge_swizzle(pin, PCI_SLOT(dev->devfn)) ; 484 pin = pci_swizzle_interrupt_pin(dev, pin);
485 485
486 /* Move up the chain of bridges. */ 486 /* Move up the chain of bridges. */
487 dev = dev->bus->self; 487 dev = dev->bus->self;
diff --git a/arch/alpha/kernel/sys_eiger.c b/arch/alpha/kernel/sys_eiger.c
index 7ef3b6fb3700..baf60f36cbd7 100644
--- a/arch/alpha/kernel/sys_eiger.c
+++ b/arch/alpha/kernel/sys_eiger.c
@@ -204,7 +204,7 @@ eiger_swizzle(struct pci_dev *dev, u8 *pinp)
204 break; 204 break;
205 } 205 }
206 /* Must be a card-based bridge. */ 206 /* Must be a card-based bridge. */
207 pin = bridge_swizzle(pin, PCI_SLOT(dev->devfn)); 207 pin = pci_swizzle_interrupt_pin(dev, pin);
208 208
209 /* Move up the chain of bridges. */ 209 /* Move up the chain of bridges. */
210 dev = dev->bus->self; 210 dev = dev->bus->self;
diff --git a/arch/alpha/kernel/sys_miata.c b/arch/alpha/kernel/sys_miata.c
index 910b43cd63e8..61ccd95579ec 100644
--- a/arch/alpha/kernel/sys_miata.c
+++ b/arch/alpha/kernel/sys_miata.c
@@ -219,7 +219,7 @@ miata_swizzle(struct pci_dev *dev, u8 *pinp)
219 slot = PCI_SLOT(dev->devfn) + 9; 219 slot = PCI_SLOT(dev->devfn) + 9;
220 break; 220 break;
221 } 221 }
222 pin = bridge_swizzle(pin, PCI_SLOT(dev->devfn)); 222 pin = pci_swizzle_interrupt_pin(dev, pin);
223 223
224 /* Move up the chain of bridges. */ 224 /* Move up the chain of bridges. */
225 dev = dev->bus->self; 225 dev = dev->bus->self;
diff --git a/arch/alpha/kernel/sys_noritake.c b/arch/alpha/kernel/sys_noritake.c
index eb2a1d63f484..538876b62449 100644
--- a/arch/alpha/kernel/sys_noritake.c
+++ b/arch/alpha/kernel/sys_noritake.c
@@ -257,7 +257,7 @@ noritake_swizzle(struct pci_dev *dev, u8 *pinp)
257 slot = PCI_SLOT(dev->devfn) + 15; 257 slot = PCI_SLOT(dev->devfn) + 15;
258 break; 258 break;
259 } 259 }
260 pin = bridge_swizzle(pin, PCI_SLOT(dev->devfn)) ; 260 pin = pci_swizzle_interrupt_pin(dev, pin);
261 261
262 /* Move up the chain of bridges. */ 262 /* Move up the chain of bridges. */
263 dev = dev->bus->self; 263 dev = dev->bus->self;
diff --git a/arch/alpha/kernel/sys_ruffian.c b/arch/alpha/kernel/sys_ruffian.c
index 5b99cf3cd69c..f15a329b6011 100644
--- a/arch/alpha/kernel/sys_ruffian.c
+++ b/arch/alpha/kernel/sys_ruffian.c
@@ -160,7 +160,7 @@ ruffian_swizzle(struct pci_dev *dev, u8 *pinp)
160 slot = PCI_SLOT(dev->devfn) + 10; 160 slot = PCI_SLOT(dev->devfn) + 10;
161 break; 161 break;
162 } 162 }
163 pin = bridge_swizzle(pin, PCI_SLOT(dev->devfn)); 163 pin = pci_swizzle_interrupt_pin(dev, pin);
164 164
165 /* Move up the chain of bridges. */ 165 /* Move up the chain of bridges. */
166 dev = dev->bus->self; 166 dev = dev->bus->self;
diff --git a/arch/alpha/kernel/sys_sable.c b/arch/alpha/kernel/sys_sable.c
index a4555f497639..d232e42be018 100644
--- a/arch/alpha/kernel/sys_sable.c
+++ b/arch/alpha/kernel/sys_sable.c
@@ -425,7 +425,7 @@ lynx_swizzle(struct pci_dev *dev, u8 *pinp)
425 slot = PCI_SLOT(dev->devfn) + 11; 425 slot = PCI_SLOT(dev->devfn) + 11;
426 break; 426 break;
427 } 427 }
428 pin = bridge_swizzle(pin, PCI_SLOT(dev->devfn)) ; 428 pin = pci_swizzle_interrupt_pin(dev, pin);
429 429
430 /* Move up the chain of bridges. */ 430 /* Move up the chain of bridges. */
431 dev = dev->bus->self; 431 dev = dev->bus->self;
diff --git a/arch/alpha/kernel/sys_titan.c b/arch/alpha/kernel/sys_titan.c
index 52c91ccc1648..27f840a4ad3d 100644
--- a/arch/alpha/kernel/sys_titan.c
+++ b/arch/alpha/kernel/sys_titan.c
@@ -158,10 +158,10 @@ titan_cpu_set_irq_affinity(unsigned int irq, cpumask_t affinity)
158} 158}
159 159
160static void 160static void
161titan_set_irq_affinity(unsigned int irq, cpumask_t affinity) 161titan_set_irq_affinity(unsigned int irq, const struct cpumask *affinity)
162{ 162{
163 spin_lock(&titan_irq_lock); 163 spin_lock(&titan_irq_lock);
164 titan_cpu_set_irq_affinity(irq - 16, affinity); 164 titan_cpu_set_irq_affinity(irq - 16, *affinity);
165 titan_update_irq_hw(titan_cached_irq_mask); 165 titan_update_irq_hw(titan_cached_irq_mask);
166 spin_unlock(&titan_irq_lock); 166 spin_unlock(&titan_irq_lock);
167} 167}