aboutsummaryrefslogtreecommitdiffstats
path: root/arch
diff options
context:
space:
mode:
Diffstat (limited to 'arch')
-rw-r--r--arch/i386/kernel/cpu/cpufreq/Kconfig3
-rw-r--r--arch/i386/kernel/cpu/cpufreq/acpi-cpufreq.c3
-rw-r--r--arch/i386/kernel/cpu/cpufreq/longhaul.c221
-rw-r--r--arch/ia64/hp/sim/simscsi.c4
-rw-r--r--arch/ia64/kernel/efi.c6
-rw-r--r--arch/ia64/kernel/head.S2
-rw-r--r--arch/ia64/kernel/ia64_ksyms.c2
-rw-r--r--arch/ia64/kernel/pal.S18
-rw-r--r--arch/ia64/kernel/palinfo.c34
-rw-r--r--arch/ia64/lib/Makefile2
-rw-r--r--arch/ia64/mm/contig.c16
-rw-r--r--arch/ia64/mm/discontig.c68
-rw-r--r--arch/ia64/mm/init.c55
-rw-r--r--arch/ia64/mm/ioremap.c6
-rw-r--r--arch/ia64/sn/kernel/xpc_main.c2
-rw-r--r--arch/ia64/sn/pci/tioce_provider.c6
16 files changed, 239 insertions, 209 deletions
diff --git a/arch/i386/kernel/cpu/cpufreq/Kconfig b/arch/i386/kernel/cpu/cpufreq/Kconfig
index e44a4c6a4fe5..ccc1edff5c97 100644
--- a/arch/i386/kernel/cpu/cpufreq/Kconfig
+++ b/arch/i386/kernel/cpu/cpufreq/Kconfig
@@ -96,6 +96,7 @@ config X86_POWERNOW_K8_ACPI
96 96
97config X86_GX_SUSPMOD 97config X86_GX_SUSPMOD
98 tristate "Cyrix MediaGX/NatSemi Geode Suspend Modulation" 98 tristate "Cyrix MediaGX/NatSemi Geode Suspend Modulation"
99 depends on PCI
99 help 100 help
100 This add the CPUFreq driver for NatSemi Geode processors which 101 This add the CPUFreq driver for NatSemi Geode processors which
101 support suspend modulation. 102 support suspend modulation.
@@ -202,7 +203,7 @@ config X86_LONGRUN
202config X86_LONGHAUL 203config X86_LONGHAUL
203 tristate "VIA Cyrix III Longhaul" 204 tristate "VIA Cyrix III Longhaul"
204 select CPU_FREQ_TABLE 205 select CPU_FREQ_TABLE
205 depends on BROKEN 206 depends on ACPI_PROCESSOR
206 help 207 help
207 This adds the CPUFreq driver for VIA Samuel/CyrixIII, 208 This adds the CPUFreq driver for VIA Samuel/CyrixIII,
208 VIA Cyrix Samuel/C3, VIA Cyrix Ezra and VIA Cyrix Ezra-T 209 VIA Cyrix Samuel/C3, VIA Cyrix Ezra and VIA Cyrix Ezra-T
diff --git a/arch/i386/kernel/cpu/cpufreq/acpi-cpufreq.c b/arch/i386/kernel/cpu/cpufreq/acpi-cpufreq.c
index 567b39bea07e..efb41e81351c 100644
--- a/arch/i386/kernel/cpu/cpufreq/acpi-cpufreq.c
+++ b/arch/i386/kernel/cpu/cpufreq/acpi-cpufreq.c
@@ -384,8 +384,7 @@ static int acpi_cpufreq_early_init_acpi(void)
384 } 384 }
385 385
386 /* Do initialization in ACPI core */ 386 /* Do initialization in ACPI core */
387 acpi_processor_preregister_performance(acpi_perf_data); 387 return acpi_processor_preregister_performance(acpi_perf_data);
388 return 0;
389} 388}
390 389
391static int 390static int
diff --git a/arch/i386/kernel/cpu/cpufreq/longhaul.c b/arch/i386/kernel/cpu/cpufreq/longhaul.c
index 146f607e9c44..4f2c3aeef724 100644
--- a/arch/i386/kernel/cpu/cpufreq/longhaul.c
+++ b/arch/i386/kernel/cpu/cpufreq/longhaul.c
@@ -29,11 +29,13 @@
29#include <linux/cpufreq.h> 29#include <linux/cpufreq.h>
30#include <linux/slab.h> 30#include <linux/slab.h>
31#include <linux/string.h> 31#include <linux/string.h>
32#include <linux/pci.h>
33 32
34#include <asm/msr.h> 33#include <asm/msr.h>
35#include <asm/timex.h> 34#include <asm/timex.h>
36#include <asm/io.h> 35#include <asm/io.h>
36#include <asm/acpi.h>
37#include <linux/acpi.h>
38#include <acpi/processor.h>
37 39
38#include "longhaul.h" 40#include "longhaul.h"
39 41
@@ -56,6 +58,8 @@ static int minvid, maxvid;
56static unsigned int minmult, maxmult; 58static unsigned int minmult, maxmult;
57static int can_scale_voltage; 59static int can_scale_voltage;
58static int vrmrev; 60static int vrmrev;
61static struct acpi_processor *pr = NULL;
62static struct acpi_processor_cx *cx = NULL;
59 63
60/* Module parameters */ 64/* Module parameters */
61static int dont_scale_voltage; 65static int dont_scale_voltage;
@@ -118,84 +122,65 @@ static int longhaul_get_cpu_mult(void)
118 return eblcr_table[invalue]; 122 return eblcr_table[invalue];
119} 123}
120 124
125/* For processor with BCR2 MSR */
121 126
122static void do_powersaver(union msr_longhaul *longhaul, 127static void do_longhaul1(int cx_address, unsigned int clock_ratio_index)
123 unsigned int clock_ratio_index)
124{ 128{
125 struct pci_dev *dev; 129 union msr_bcr2 bcr2;
126 unsigned long flags; 130 u32 t;
127 unsigned int tmp_mask;
128 int version;
129 int i;
130 u16 pci_cmd;
131 u16 cmd_state[64];
132 131
133 switch (cpu_model) { 132 rdmsrl(MSR_VIA_BCR2, bcr2.val);
134 case CPU_EZRA_T: 133 /* Enable software clock multiplier */
135 version = 3; 134 bcr2.bits.ESOFTBF = 1;
136 break; 135 bcr2.bits.CLOCKMUL = clock_ratio_index;
137 case CPU_NEHEMIAH:
138 version = 0xf;
139 break;
140 default:
141 return;
142 }
143 136
144 rdmsrl(MSR_VIA_LONGHAUL, longhaul->val); 137 /* Sync to timer tick */
145 longhaul->bits.SoftBusRatio = clock_ratio_index & 0xf; 138 safe_halt();
146 longhaul->bits.SoftBusRatio4 = (clock_ratio_index & 0x10) >> 4; 139 ACPI_FLUSH_CPU_CACHE();
147 longhaul->bits.EnableSoftBusRatio = 1; 140 /* Change frequency on next halt or sleep */
148 longhaul->bits.RevisionKey = 0; 141 wrmsrl(MSR_VIA_BCR2, bcr2.val);
142 /* Invoke C3 */
143 inb(cx_address);
144 /* Dummy op - must do something useless after P_LVL3 read */
145 t = inl(acpi_fadt.xpm_tmr_blk.address);
146
147 /* Disable software clock multiplier */
148 local_irq_disable();
149 rdmsrl(MSR_VIA_BCR2, bcr2.val);
150 bcr2.bits.ESOFTBF = 0;
151 wrmsrl(MSR_VIA_BCR2, bcr2.val);
152}
149 153
150 preempt_disable(); 154/* For processor with Longhaul MSR */
151 local_irq_save(flags);
152 155
153 /* 156static void do_powersaver(int cx_address, unsigned int clock_ratio_index)
154 * get current pci bus master state for all devices 157{
155 * and clear bus master bit 158 union msr_longhaul longhaul;
156 */ 159 u32 t;
157 dev = NULL;
158 i = 0;
159 do {
160 dev = pci_get_device(PCI_ANY_ID, PCI_ANY_ID, dev);
161 if (dev != NULL) {
162 pci_read_config_word(dev, PCI_COMMAND, &pci_cmd);
163 cmd_state[i++] = pci_cmd;
164 pci_cmd &= ~PCI_COMMAND_MASTER;
165 pci_write_config_word(dev, PCI_COMMAND, pci_cmd);
166 }
167 } while (dev != NULL);
168 160
169 tmp_mask=inb(0x21); /* works on C3. save mask. */ 161 rdmsrl(MSR_VIA_LONGHAUL, longhaul.val);
170 outb(0xFE,0x21); /* TMR0 only */ 162 longhaul.bits.RevisionKey = longhaul.bits.RevisionID;
171 outb(0xFF,0x80); /* delay */ 163 longhaul.bits.SoftBusRatio = clock_ratio_index & 0xf;
164 longhaul.bits.SoftBusRatio4 = (clock_ratio_index & 0x10) >> 4;
165 longhaul.bits.EnableSoftBusRatio = 1;
172 166
167 /* Sync to timer tick */
173 safe_halt(); 168 safe_halt();
174 wrmsrl(MSR_VIA_LONGHAUL, longhaul->val); 169 ACPI_FLUSH_CPU_CACHE();
175 halt(); 170 /* Change frequency on next halt or sleep */
176 171 wrmsrl(MSR_VIA_LONGHAUL, longhaul.val);
172 /* Invoke C3 */
173 inb(cx_address);
174 /* Dummy op - must do something useless after P_LVL3 read */
175 t = inl(acpi_fadt.xpm_tmr_blk.address);
176
177 /* Disable bus ratio bit */
177 local_irq_disable(); 178 local_irq_disable();
178 179 longhaul.bits.RevisionKey = longhaul.bits.RevisionID;
179 outb(tmp_mask,0x21); /* restore mask */ 180 longhaul.bits.EnableSoftBusRatio = 0;
180 181 longhaul.bits.EnableSoftBSEL = 0;
181 /* restore pci bus master state for all devices */ 182 longhaul.bits.EnableSoftVID = 0;
182 dev = NULL; 183 wrmsrl(MSR_VIA_LONGHAUL, longhaul.val);
183 i = 0;
184 do {
185 dev = pci_get_device(PCI_ANY_ID, PCI_ANY_ID, dev);
186 if (dev != NULL) {
187 pci_cmd = cmd_state[i++];
188 pci_write_config_byte(dev, PCI_COMMAND, pci_cmd);
189 }
190 } while (dev != NULL);
191 local_irq_restore(flags);
192 preempt_enable();
193
194 /* disable bus ratio bit */
195 rdmsrl(MSR_VIA_LONGHAUL, longhaul->val);
196 longhaul->bits.EnableSoftBusRatio = 0;
197 longhaul->bits.RevisionKey = version;
198 wrmsrl(MSR_VIA_LONGHAUL, longhaul->val);
199} 184}
200 185
201/** 186/**
@@ -209,9 +194,9 @@ static void longhaul_setstate(unsigned int clock_ratio_index)
209{ 194{
210 int speed, mult; 195 int speed, mult;
211 struct cpufreq_freqs freqs; 196 struct cpufreq_freqs freqs;
212 union msr_longhaul longhaul;
213 union msr_bcr2 bcr2;
214 static unsigned int old_ratio=-1; 197 static unsigned int old_ratio=-1;
198 unsigned long flags;
199 unsigned int pic1_mask, pic2_mask;
215 200
216 if (old_ratio == clock_ratio_index) 201 if (old_ratio == clock_ratio_index)
217 return; 202 return;
@@ -234,6 +219,20 @@ static void longhaul_setstate(unsigned int clock_ratio_index)
234 dprintk ("Setting to FSB:%dMHz Mult:%d.%dx (%s)\n", 219 dprintk ("Setting to FSB:%dMHz Mult:%d.%dx (%s)\n",
235 fsb, mult/10, mult%10, print_speed(speed/1000)); 220 fsb, mult/10, mult%10, print_speed(speed/1000));
236 221
222 preempt_disable();
223 local_irq_save(flags);
224
225 pic2_mask = inb(0xA1);
226 pic1_mask = inb(0x21); /* works on C3. save mask. */
227 outb(0xFF,0xA1); /* Overkill */
228 outb(0xFE,0x21); /* TMR0 only */
229
230 /* Disable bus master arbitration */
231 if (pr->flags.bm_check) {
232 acpi_set_register(ACPI_BITREG_ARB_DISABLE, 1,
233 ACPI_MTX_DO_NOT_LOCK);
234 }
235
237 switch (longhaul_version) { 236 switch (longhaul_version) {
238 237
239 /* 238 /*
@@ -245,20 +244,7 @@ static void longhaul_setstate(unsigned int clock_ratio_index)
245 */ 244 */
246 case TYPE_LONGHAUL_V1: 245 case TYPE_LONGHAUL_V1:
247 case TYPE_LONGHAUL_V2: 246 case TYPE_LONGHAUL_V2:
248 rdmsrl (MSR_VIA_BCR2, bcr2.val); 247 do_longhaul1(cx->address, clock_ratio_index);
249 /* Enable software clock multiplier */
250 bcr2.bits.ESOFTBF = 1;
251 bcr2.bits.CLOCKMUL = clock_ratio_index;
252 local_irq_disable();
253 wrmsrl (MSR_VIA_BCR2, bcr2.val);
254 safe_halt();
255
256 /* Disable software clock multiplier */
257 rdmsrl (MSR_VIA_BCR2, bcr2.val);
258 bcr2.bits.ESOFTBF = 0;
259 local_irq_disable();
260 wrmsrl (MSR_VIA_BCR2, bcr2.val);
261 local_irq_enable();
262 break; 248 break;
263 249
264 /* 250 /*
@@ -273,10 +259,22 @@ static void longhaul_setstate(unsigned int clock_ratio_index)
273 * to work in practice. 259 * to work in practice.
274 */ 260 */
275 case TYPE_POWERSAVER: 261 case TYPE_POWERSAVER:
276 do_powersaver(&longhaul, clock_ratio_index); 262 do_powersaver(cx->address, clock_ratio_index);
277 break; 263 break;
278 } 264 }
279 265
266 /* Enable bus master arbitration */
267 if (pr->flags.bm_check) {
268 acpi_set_register(ACPI_BITREG_ARB_DISABLE, 0,
269 ACPI_MTX_DO_NOT_LOCK);
270 }
271
272 outb(pic2_mask,0xA1); /* restore mask */
273 outb(pic1_mask,0x21);
274
275 local_irq_restore(flags);
276 preempt_enable();
277
280 cpufreq_notify_transition(&freqs, CPUFREQ_POSTCHANGE); 278 cpufreq_notify_transition(&freqs, CPUFREQ_POSTCHANGE);
281} 279}
282 280
@@ -324,9 +322,11 @@ static int guess_fsb(void)
324static int __init longhaul_get_ranges(void) 322static int __init longhaul_get_ranges(void)
325{ 323{
326 unsigned long invalue; 324 unsigned long invalue;
327 unsigned int multipliers[32]= { 325 unsigned int ezra_t_multipliers[32]= {
328 50,30,40,100,55,35,45,95,90,70,80,60,120,75,85,65, 326 90, 30, 40, 100, 55, 35, 45, 95,
329 -1,110,120,-1,135,115,125,105,130,150,160,140,-1,155,-1,145 }; 327 50, 70, 80, 60, 120, 75, 85, 65,
328 -1, 110, 120, -1, 135, 115, 125, 105,
329 130, 150, 160, 140, -1, 155, -1, 145 };
330 unsigned int j, k = 0; 330 unsigned int j, k = 0;
331 union msr_longhaul longhaul; 331 union msr_longhaul longhaul;
332 unsigned long lo, hi; 332 unsigned long lo, hi;
@@ -355,13 +355,13 @@ static int __init longhaul_get_ranges(void)
355 invalue = longhaul.bits.MaxMHzBR; 355 invalue = longhaul.bits.MaxMHzBR;
356 if (longhaul.bits.MaxMHzBR4) 356 if (longhaul.bits.MaxMHzBR4)
357 invalue += 16; 357 invalue += 16;
358 maxmult=multipliers[invalue]; 358 maxmult=ezra_t_multipliers[invalue];
359 359
360 invalue = longhaul.bits.MinMHzBR; 360 invalue = longhaul.bits.MinMHzBR;
361 if (longhaul.bits.MinMHzBR4 == 1) 361 if (longhaul.bits.MinMHzBR4 == 1)
362 minmult = 30; 362 minmult = 30;
363 else 363 else
364 minmult = multipliers[invalue]; 364 minmult = ezra_t_multipliers[invalue];
365 fsb = eblcr_fsb_table_v2[longhaul.bits.MaxMHzFSB]; 365 fsb = eblcr_fsb_table_v2[longhaul.bits.MaxMHzFSB];
366 break; 366 break;
367 } 367 }
@@ -527,6 +527,18 @@ static unsigned int longhaul_get(unsigned int cpu)
527 return calc_speed(longhaul_get_cpu_mult()); 527 return calc_speed(longhaul_get_cpu_mult());
528} 528}
529 529
530static acpi_status longhaul_walk_callback(acpi_handle obj_handle,
531 u32 nesting_level,
532 void *context, void **return_value)
533{
534 struct acpi_device *d;
535
536 if ( acpi_bus_get_device(obj_handle, &d) ) {
537 return 0;
538 }
539 *return_value = (void *)acpi_driver_data(d);
540 return 1;
541}
530 542
531static int __init longhaul_cpu_init(struct cpufreq_policy *policy) 543static int __init longhaul_cpu_init(struct cpufreq_policy *policy)
532{ 544{
@@ -534,6 +546,15 @@ static int __init longhaul_cpu_init(struct cpufreq_policy *policy)
534 char *cpuname=NULL; 546 char *cpuname=NULL;
535 int ret; 547 int ret;
536 548
549 /* Check ACPI support for C3 state */
550 acpi_walk_namespace(ACPI_TYPE_PROCESSOR, ACPI_ROOT_OBJECT, ACPI_UINT32_MAX,
551 &longhaul_walk_callback, NULL, (void *)&pr);
552 if (pr == NULL) goto err_acpi;
553
554 cx = &pr->power.states[ACPI_STATE_C3];
555 if (cx->address == 0 || cx->latency > 1000) goto err_acpi;
556
557 /* Now check what we have on this motherboard */
537 switch (c->x86_model) { 558 switch (c->x86_model) {
538 case 6: 559 case 6:
539 cpu_model = CPU_SAMUEL; 560 cpu_model = CPU_SAMUEL;
@@ -634,6 +655,10 @@ static int __init longhaul_cpu_init(struct cpufreq_policy *policy)
634 cpufreq_frequency_table_get_attr(longhaul_table, policy->cpu); 655 cpufreq_frequency_table_get_attr(longhaul_table, policy->cpu);
635 656
636 return 0; 657 return 0;
658
659err_acpi:
660 printk(KERN_ERR PFX "No ACPI support for CPU frequency changes.\n");
661 return -ENODEV;
637} 662}
638 663
639static int __devexit longhaul_cpu_exit(struct cpufreq_policy *policy) 664static int __devexit longhaul_cpu_exit(struct cpufreq_policy *policy)
@@ -666,6 +691,18 @@ static int __init longhaul_init(void)
666 if (c->x86_vendor != X86_VENDOR_CENTAUR || c->x86 != 6) 691 if (c->x86_vendor != X86_VENDOR_CENTAUR || c->x86 != 6)
667 return -ENODEV; 692 return -ENODEV;
668 693
694#ifdef CONFIG_SMP
695 if (num_online_cpus() > 1) {
696 return -ENODEV;
697 printk(KERN_ERR PFX "More than 1 CPU detected, longhaul disabled.\n");
698 }
699#endif
700#ifdef CONFIG_X86_IO_APIC
701 if (cpu_has_apic) {
702 printk(KERN_ERR PFX "APIC detected. Longhaul is currently broken in this configuration.\n");
703 return -ENODEV;
704 }
705#endif
669 switch (c->x86_model) { 706 switch (c->x86_model) {
670 case 6 ... 9: 707 case 6 ... 9:
671 return cpufreq_register_driver(&longhaul_driver); 708 return cpufreq_register_driver(&longhaul_driver);
@@ -699,6 +736,6 @@ MODULE_AUTHOR ("Dave Jones <davej@codemonkey.org.uk>");
699MODULE_DESCRIPTION ("Longhaul driver for VIA Cyrix processors."); 736MODULE_DESCRIPTION ("Longhaul driver for VIA Cyrix processors.");
700MODULE_LICENSE ("GPL"); 737MODULE_LICENSE ("GPL");
701 738
702module_init(longhaul_init); 739late_initcall(longhaul_init);
703module_exit(longhaul_exit); 740module_exit(longhaul_exit);
704 741
diff --git a/arch/ia64/hp/sim/simscsi.c b/arch/ia64/hp/sim/simscsi.c
index a3fe97531134..8a4f0d0d17a3 100644
--- a/arch/ia64/hp/sim/simscsi.c
+++ b/arch/ia64/hp/sim/simscsi.c
@@ -151,7 +151,7 @@ static void
151simscsi_sg_readwrite (struct scsi_cmnd *sc, int mode, unsigned long offset) 151simscsi_sg_readwrite (struct scsi_cmnd *sc, int mode, unsigned long offset)
152{ 152{
153 int list_len = sc->use_sg; 153 int list_len = sc->use_sg;
154 struct scatterlist *sl = (struct scatterlist *)sc->buffer; 154 struct scatterlist *sl = (struct scatterlist *)sc->request_buffer;
155 struct disk_stat stat; 155 struct disk_stat stat;
156 struct disk_req req; 156 struct disk_req req;
157 157
@@ -244,7 +244,7 @@ static void simscsi_fillresult(struct scsi_cmnd *sc, char *buf, unsigned len)
244 244
245 if (scatterlen == 0) 245 if (scatterlen == 0)
246 memcpy(sc->request_buffer, buf, len); 246 memcpy(sc->request_buffer, buf, len);
247 else for (slp = (struct scatterlist *)sc->buffer; scatterlen-- > 0 && len > 0; slp++) { 247 else for (slp = (struct scatterlist *)sc->request_buffer; scatterlen-- > 0 && len > 0; slp++) {
248 unsigned thislen = min(len, slp->length); 248 unsigned thislen = min(len, slp->length);
249 249
250 memcpy(page_address(slp->page) + slp->offset, buf, thislen); 250 memcpy(page_address(slp->page) + slp->offset, buf, thislen);
diff --git a/arch/ia64/kernel/efi.c b/arch/ia64/kernel/efi.c
index e4bfa9dafbce..bb8770a177b5 100644
--- a/arch/ia64/kernel/efi.c
+++ b/arch/ia64/kernel/efi.c
@@ -632,7 +632,7 @@ kern_memory_descriptor (unsigned long phys_addr)
632 if (phys_addr - md->start < (md->num_pages << EFI_PAGE_SHIFT)) 632 if (phys_addr - md->start < (md->num_pages << EFI_PAGE_SHIFT))
633 return md; 633 return md;
634 } 634 }
635 return 0; 635 return NULL;
636} 636}
637 637
638static efi_memory_desc_t * 638static efi_memory_desc_t *
@@ -652,7 +652,7 @@ efi_memory_descriptor (unsigned long phys_addr)
652 if (phys_addr - md->phys_addr < (md->num_pages << EFI_PAGE_SHIFT)) 652 if (phys_addr - md->phys_addr < (md->num_pages << EFI_PAGE_SHIFT))
653 return md; 653 return md;
654 } 654 }
655 return 0; 655 return NULL;
656} 656}
657 657
658u32 658u32
@@ -923,7 +923,7 @@ find_memmap_space (void)
923void 923void
924efi_memmap_init(unsigned long *s, unsigned long *e) 924efi_memmap_init(unsigned long *s, unsigned long *e)
925{ 925{
926 struct kern_memdesc *k, *prev = 0; 926 struct kern_memdesc *k, *prev = NULL;
927 u64 contig_low=0, contig_high=0; 927 u64 contig_low=0, contig_high=0;
928 u64 as, ae, lim; 928 u64 as, ae, lim;
929 void *efi_map_start, *efi_map_end, *p, *q; 929 void *efi_map_start, *efi_map_end, *p, *q;
diff --git a/arch/ia64/kernel/head.S b/arch/ia64/kernel/head.S
index 561b8f1d3bc7..29236f0c62b5 100644
--- a/arch/ia64/kernel/head.S
+++ b/arch/ia64/kernel/head.S
@@ -853,7 +853,6 @@ END(__ia64_init_fpu)
853 */ 853 */
854GLOBAL_ENTRY(ia64_switch_mode_phys) 854GLOBAL_ENTRY(ia64_switch_mode_phys)
855 { 855 {
856 alloc r2=ar.pfs,0,0,0,0
857 rsm psr.i | psr.ic // disable interrupts and interrupt collection 856 rsm psr.i | psr.ic // disable interrupts and interrupt collection
858 mov r15=ip 857 mov r15=ip
859 } 858 }
@@ -902,7 +901,6 @@ END(ia64_switch_mode_phys)
902 */ 901 */
903GLOBAL_ENTRY(ia64_switch_mode_virt) 902GLOBAL_ENTRY(ia64_switch_mode_virt)
904 { 903 {
905 alloc r2=ar.pfs,0,0,0,0
906 rsm psr.i | psr.ic // disable interrupts and interrupt collection 904 rsm psr.i | psr.ic // disable interrupts and interrupt collection
907 mov r15=ip 905 mov r15=ip
908 } 906 }
diff --git a/arch/ia64/kernel/ia64_ksyms.c b/arch/ia64/kernel/ia64_ksyms.c
index b7cf651ceb14..3ead20fb6f4b 100644
--- a/arch/ia64/kernel/ia64_ksyms.c
+++ b/arch/ia64/kernel/ia64_ksyms.c
@@ -62,7 +62,7 @@ EXPORT_SYMBOL(__udivdi3);
62EXPORT_SYMBOL(__moddi3); 62EXPORT_SYMBOL(__moddi3);
63EXPORT_SYMBOL(__umoddi3); 63EXPORT_SYMBOL(__umoddi3);
64 64
65#if defined(CONFIG_MD_RAID5) || defined(CONFIG_MD_RAID5_MODULE) 65#if defined(CONFIG_MD_RAID456) || defined(CONFIG_MD_RAID456_MODULE)
66extern void xor_ia64_2(void); 66extern void xor_ia64_2(void);
67extern void xor_ia64_3(void); 67extern void xor_ia64_3(void);
68extern void xor_ia64_4(void); 68extern void xor_ia64_4(void);
diff --git a/arch/ia64/kernel/pal.S b/arch/ia64/kernel/pal.S
index 5018c7f2e7a8..ebaf1e685f5e 100644
--- a/arch/ia64/kernel/pal.S
+++ b/arch/ia64/kernel/pal.S
@@ -217,12 +217,7 @@ GLOBAL_ENTRY(ia64_pal_call_phys_stacked)
217 .body 217 .body
218 ;; 218 ;;
219 ld8 loc2 = [loc2] // loc2 <- entry point 219 ld8 loc2 = [loc2] // loc2 <- entry point
220 mov out0 = in0 // first argument 220 mov loc3 = psr // save psr
221 mov out1 = in1 // copy arg2
222 mov out2 = in2 // copy arg3
223 mov out3 = in3 // copy arg3
224 ;;
225 mov loc3 = psr // save psr
226 ;; 221 ;;
227 mov loc4=ar.rsc // save RSE configuration 222 mov loc4=ar.rsc // save RSE configuration
228 dep.z loc2=loc2,0,61 // convert pal entry point to physical 223 dep.z loc2=loc2,0,61 // convert pal entry point to physical
@@ -236,18 +231,23 @@ GLOBAL_ENTRY(ia64_pal_call_phys_stacked)
236 ;; 231 ;;
237 andcm r16=loc3,r16 // removes bits to clear from psr 232 andcm r16=loc3,r16 // removes bits to clear from psr
238 br.call.sptk.many rp=ia64_switch_mode_phys 233 br.call.sptk.many rp=ia64_switch_mode_phys
239.ret6: 234
235 mov out0 = in0 // first argument
236 mov out1 = in1 // copy arg2
237 mov out2 = in2 // copy arg3
238 mov out3 = in3 // copy arg3
240 mov loc5 = r19 239 mov loc5 = r19
241 mov loc6 = r20 240 mov loc6 = r20
241
242 br.call.sptk.many rp=b7 // now make the call 242 br.call.sptk.many rp=b7 // now make the call
243.ret7: 243
244 mov ar.rsc=0 // put RSE in enforced lazy, LE mode 244 mov ar.rsc=0 // put RSE in enforced lazy, LE mode
245 mov r16=loc3 // r16= original psr 245 mov r16=loc3 // r16= original psr
246 mov r19=loc5 246 mov r19=loc5
247 mov r20=loc6 247 mov r20=loc6
248 br.call.sptk.many rp=ia64_switch_mode_virt // return to virtual mode 248 br.call.sptk.many rp=ia64_switch_mode_virt // return to virtual mode
249 249
250.ret8: mov psr.l = loc3 // restore init PSR 250 mov psr.l = loc3 // restore init PSR
251 mov ar.pfs = loc1 251 mov ar.pfs = loc1
252 mov rp = loc0 252 mov rp = loc0
253 ;; 253 ;;
diff --git a/arch/ia64/kernel/palinfo.c b/arch/ia64/kernel/palinfo.c
index ab5b52413e91..0b546e2b36ac 100644
--- a/arch/ia64/kernel/palinfo.c
+++ b/arch/ia64/kernel/palinfo.c
@@ -566,29 +566,23 @@ version_info(char *page)
566 pal_version_u_t min_ver, cur_ver; 566 pal_version_u_t min_ver, cur_ver;
567 char *p = page; 567 char *p = page;
568 568
569 /* The PAL_VERSION call is advertised as being able to support 569 if (ia64_pal_version(&min_ver, &cur_ver) != 0)
570 * both physical and virtual mode calls. This seems to be a documentation 570 return 0;
571 * bug rather than firmware bug. In fact, it does only support physical mode.
572 * So now the code reflects this fact and the pal_version() has been updated
573 * accordingly.
574 */
575 if (ia64_pal_version(&min_ver, &cur_ver) != 0) return 0;
576 571
577 p += sprintf(p, 572 p += sprintf(p,
578 "PAL_vendor : 0x%02x (min=0x%02x)\n" 573 "PAL_vendor : 0x%02x (min=0x%02x)\n"
579 "PAL_A : %x.%x.%x (min=%x.%x.%x)\n" 574 "PAL_A : %02x.%02x (min=%02x.%02x)\n"
580 "PAL_B : %x.%x.%x (min=%x.%x.%x)\n", 575 "PAL_B : %02x.%02x (min=%02x.%02x)\n",
581 cur_ver.pal_version_s.pv_pal_vendor, min_ver.pal_version_s.pv_pal_vendor, 576 cur_ver.pal_version_s.pv_pal_vendor,
582 577 min_ver.pal_version_s.pv_pal_vendor,
583 cur_ver.pal_version_s.pv_pal_a_model>>4, 578 cur_ver.pal_version_s.pv_pal_a_model,
584 cur_ver.pal_version_s.pv_pal_a_model&0xf, cur_ver.pal_version_s.pv_pal_a_rev, 579 cur_ver.pal_version_s.pv_pal_a_rev,
585 min_ver.pal_version_s.pv_pal_a_model>>4, 580 min_ver.pal_version_s.pv_pal_a_model,
586 min_ver.pal_version_s.pv_pal_a_model&0xf, min_ver.pal_version_s.pv_pal_a_rev, 581 min_ver.pal_version_s.pv_pal_a_rev,
587 582 cur_ver.pal_version_s.pv_pal_b_model,
588 cur_ver.pal_version_s.pv_pal_b_model>>4, 583 cur_ver.pal_version_s.pv_pal_b_rev,
589 cur_ver.pal_version_s.pv_pal_b_model&0xf, cur_ver.pal_version_s.pv_pal_b_rev, 584 min_ver.pal_version_s.pv_pal_b_model,
590 min_ver.pal_version_s.pv_pal_b_model>>4, 585 min_ver.pal_version_s.pv_pal_b_rev);
591 min_ver.pal_version_s.pv_pal_b_model&0xf, min_ver.pal_version_s.pv_pal_b_rev);
592 return p - page; 586 return p - page;
593} 587}
594 588
diff --git a/arch/ia64/lib/Makefile b/arch/ia64/lib/Makefile
index d8536a2c22a9..38fa6e49e791 100644
--- a/arch/ia64/lib/Makefile
+++ b/arch/ia64/lib/Makefile
@@ -14,7 +14,7 @@ lib-y := __divsi3.o __udivsi3.o __modsi3.o __umodsi3.o \
14lib-$(CONFIG_ITANIUM) += copy_page.o copy_user.o memcpy.o 14lib-$(CONFIG_ITANIUM) += copy_page.o copy_user.o memcpy.o
15lib-$(CONFIG_MCKINLEY) += copy_page_mck.o memcpy_mck.o 15lib-$(CONFIG_MCKINLEY) += copy_page_mck.o memcpy_mck.o
16lib-$(CONFIG_PERFMON) += carta_random.o 16lib-$(CONFIG_PERFMON) += carta_random.o
17lib-$(CONFIG_MD_RAID5) += xor.o 17lib-$(CONFIG_MD_RAID456) += xor.o
18 18
19AFLAGS___divdi3.o = 19AFLAGS___divdi3.o =
20AFLAGS___udivdi3.o = -DUNSIGNED 20AFLAGS___udivdi3.o = -DUNSIGNED
diff --git a/arch/ia64/mm/contig.c b/arch/ia64/mm/contig.c
index 2a88cdd6d924..e004143ba86b 100644
--- a/arch/ia64/mm/contig.c
+++ b/arch/ia64/mm/contig.c
@@ -27,6 +27,7 @@
27 27
28#ifdef CONFIG_VIRTUAL_MEM_MAP 28#ifdef CONFIG_VIRTUAL_MEM_MAP
29static unsigned long num_dma_physpages; 29static unsigned long num_dma_physpages;
30static unsigned long max_gap;
30#endif 31#endif
31 32
32/** 33/**
@@ -45,9 +46,15 @@ show_mem (void)
45 46
46 printk("Free swap: %6ldkB\n", nr_swap_pages<<(PAGE_SHIFT-10)); 47 printk("Free swap: %6ldkB\n", nr_swap_pages<<(PAGE_SHIFT-10));
47 i = max_mapnr; 48 i = max_mapnr;
48 while (i-- > 0) { 49 for (i = 0; i < max_mapnr; i++) {
49 if (!pfn_valid(i)) 50 if (!pfn_valid(i)) {
51#ifdef CONFIG_VIRTUAL_MEM_MAP
52 if (max_gap < LARGE_GAP)
53 continue;
54 i = vmemmap_find_next_valid_pfn(0, i) - 1;
55#endif
50 continue; 56 continue;
57 }
51 total++; 58 total++;
52 if (PageReserved(mem_map+i)) 59 if (PageReserved(mem_map+i))
53 reserved++; 60 reserved++;
@@ -234,7 +241,6 @@ paging_init (void)
234 unsigned long zones_size[MAX_NR_ZONES]; 241 unsigned long zones_size[MAX_NR_ZONES];
235#ifdef CONFIG_VIRTUAL_MEM_MAP 242#ifdef CONFIG_VIRTUAL_MEM_MAP
236 unsigned long zholes_size[MAX_NR_ZONES]; 243 unsigned long zholes_size[MAX_NR_ZONES];
237 unsigned long max_gap;
238#endif 244#endif
239 245
240 /* initialize mem_map[] */ 246 /* initialize mem_map[] */
@@ -266,7 +272,6 @@ paging_init (void)
266 } 272 }
267 } 273 }
268 274
269 max_gap = 0;
270 efi_memmap_walk(find_largest_hole, (u64 *)&max_gap); 275 efi_memmap_walk(find_largest_hole, (u64 *)&max_gap);
271 if (max_gap < LARGE_GAP) { 276 if (max_gap < LARGE_GAP) {
272 vmem_map = (struct page *) 0; 277 vmem_map = (struct page *) 0;
@@ -277,7 +282,8 @@ paging_init (void)
277 282
278 /* allocate virtual_mem_map */ 283 /* allocate virtual_mem_map */
279 284
280 map_size = PAGE_ALIGN(max_low_pfn * sizeof(struct page)); 285 map_size = PAGE_ALIGN(ALIGN(max_low_pfn, MAX_ORDER_NR_PAGES) *
286 sizeof(struct page));
281 vmalloc_end -= map_size; 287 vmalloc_end -= map_size;
282 vmem_map = (struct page *) vmalloc_end; 288 vmem_map = (struct page *) vmalloc_end;
283 efi_memmap_walk(create_mem_map_page_table, NULL); 289 efi_memmap_walk(create_mem_map_page_table, NULL);
diff --git a/arch/ia64/mm/discontig.c b/arch/ia64/mm/discontig.c
index 99bd9e30db96..d260bffa01ab 100644
--- a/arch/ia64/mm/discontig.c
+++ b/arch/ia64/mm/discontig.c
@@ -534,68 +534,6 @@ void __cpuinit *per_cpu_init(void)
534} 534}
535#endif /* CONFIG_SMP */ 535#endif /* CONFIG_SMP */
536 536
537#ifdef CONFIG_VIRTUAL_MEM_MAP
538static inline int find_next_valid_pfn_for_pgdat(pg_data_t *pgdat, int i)
539{
540 unsigned long end_address, hole_next_pfn;
541 unsigned long stop_address;
542
543 end_address = (unsigned long) &vmem_map[pgdat->node_start_pfn + i];
544 end_address = PAGE_ALIGN(end_address);
545
546 stop_address = (unsigned long) &vmem_map[
547 pgdat->node_start_pfn + pgdat->node_spanned_pages];
548
549 do {
550 pgd_t *pgd;
551 pud_t *pud;
552 pmd_t *pmd;
553 pte_t *pte;
554
555 pgd = pgd_offset_k(end_address);
556 if (pgd_none(*pgd)) {
557 end_address += PGDIR_SIZE;
558 continue;
559 }
560
561 pud = pud_offset(pgd, end_address);
562 if (pud_none(*pud)) {
563 end_address += PUD_SIZE;
564 continue;
565 }
566
567 pmd = pmd_offset(pud, end_address);
568 if (pmd_none(*pmd)) {
569 end_address += PMD_SIZE;
570 continue;
571 }
572
573 pte = pte_offset_kernel(pmd, end_address);
574retry_pte:
575 if (pte_none(*pte)) {
576 end_address += PAGE_SIZE;
577 pte++;
578 if ((end_address < stop_address) &&
579 (end_address != ALIGN(end_address, 1UL << PMD_SHIFT)))
580 goto retry_pte;
581 continue;
582 }
583 /* Found next valid vmem_map page */
584 break;
585 } while (end_address < stop_address);
586
587 end_address = min(end_address, stop_address);
588 end_address = end_address - (unsigned long) vmem_map + sizeof(struct page) - 1;
589 hole_next_pfn = end_address / sizeof(struct page);
590 return hole_next_pfn - pgdat->node_start_pfn;
591}
592#else
593static inline int find_next_valid_pfn_for_pgdat(pg_data_t *pgdat, int i)
594{
595 return i + 1;
596}
597#endif
598
599/** 537/**
600 * show_mem - give short summary of memory stats 538 * show_mem - give short summary of memory stats
601 * 539 *
@@ -625,7 +563,8 @@ void show_mem(void)
625 if (pfn_valid(pgdat->node_start_pfn + i)) 563 if (pfn_valid(pgdat->node_start_pfn + i))
626 page = pfn_to_page(pgdat->node_start_pfn + i); 564 page = pfn_to_page(pgdat->node_start_pfn + i);
627 else { 565 else {
628 i = find_next_valid_pfn_for_pgdat(pgdat, i) - 1; 566 i = vmemmap_find_next_valid_pfn(pgdat->node_id,
567 i) - 1;
629 continue; 568 continue;
630 } 569 }
631 if (PageReserved(page)) 570 if (PageReserved(page))
@@ -751,7 +690,8 @@ void __init paging_init(void)
751 efi_memmap_walk(filter_rsvd_memory, count_node_pages); 690 efi_memmap_walk(filter_rsvd_memory, count_node_pages);
752 691
753#ifdef CONFIG_VIRTUAL_MEM_MAP 692#ifdef CONFIG_VIRTUAL_MEM_MAP
754 vmalloc_end -= PAGE_ALIGN(max_low_pfn * sizeof(struct page)); 693 vmalloc_end -= PAGE_ALIGN(ALIGN(max_low_pfn, MAX_ORDER_NR_PAGES) *
694 sizeof(struct page));
755 vmem_map = (struct page *) vmalloc_end; 695 vmem_map = (struct page *) vmalloc_end;
756 efi_memmap_walk(create_mem_map_page_table, NULL); 696 efi_memmap_walk(create_mem_map_page_table, NULL);
757 printk("Virtual mem_map starts at 0x%p\n", vmem_map); 697 printk("Virtual mem_map starts at 0x%p\n", vmem_map);
diff --git a/arch/ia64/mm/init.c b/arch/ia64/mm/init.c
index 2f50c064513c..30617ccb4f7e 100644
--- a/arch/ia64/mm/init.c
+++ b/arch/ia64/mm/init.c
@@ -415,6 +415,61 @@ ia64_mmu_init (void *my_cpu_data)
415} 415}
416 416
417#ifdef CONFIG_VIRTUAL_MEM_MAP 417#ifdef CONFIG_VIRTUAL_MEM_MAP
418int vmemmap_find_next_valid_pfn(int node, int i)
419{
420 unsigned long end_address, hole_next_pfn;
421 unsigned long stop_address;
422 pg_data_t *pgdat = NODE_DATA(node);
423
424 end_address = (unsigned long) &vmem_map[pgdat->node_start_pfn + i];
425 end_address = PAGE_ALIGN(end_address);
426
427 stop_address = (unsigned long) &vmem_map[
428 pgdat->node_start_pfn + pgdat->node_spanned_pages];
429
430 do {
431 pgd_t *pgd;
432 pud_t *pud;
433 pmd_t *pmd;
434 pte_t *pte;
435
436 pgd = pgd_offset_k(end_address);
437 if (pgd_none(*pgd)) {
438 end_address += PGDIR_SIZE;
439 continue;
440 }
441
442 pud = pud_offset(pgd, end_address);
443 if (pud_none(*pud)) {
444 end_address += PUD_SIZE;
445 continue;
446 }
447
448 pmd = pmd_offset(pud, end_address);
449 if (pmd_none(*pmd)) {
450 end_address += PMD_SIZE;
451 continue;
452 }
453
454 pte = pte_offset_kernel(pmd, end_address);
455retry_pte:
456 if (pte_none(*pte)) {
457 end_address += PAGE_SIZE;
458 pte++;
459 if ((end_address < stop_address) &&
460 (end_address != ALIGN(end_address, 1UL << PMD_SHIFT)))
461 goto retry_pte;
462 continue;
463 }
464 /* Found next valid vmem_map page */
465 break;
466 } while (end_address < stop_address);
467
468 end_address = min(end_address, stop_address);
469 end_address = end_address - (unsigned long) vmem_map + sizeof(struct page) - 1;
470 hole_next_pfn = end_address / sizeof(struct page);
471 return hole_next_pfn - pgdat->node_start_pfn;
472}
418 473
419int __init 474int __init
420create_mem_map_page_table (u64 start, u64 end, void *arg) 475create_mem_map_page_table (u64 start, u64 end, void *arg)
diff --git a/arch/ia64/mm/ioremap.c b/arch/ia64/mm/ioremap.c
index 07bd02b6c372..4280c074d64e 100644
--- a/arch/ia64/mm/ioremap.c
+++ b/arch/ia64/mm/ioremap.c
@@ -32,7 +32,7 @@ ioremap (unsigned long offset, unsigned long size)
32 */ 32 */
33 attr = kern_mem_attribute(offset, size); 33 attr = kern_mem_attribute(offset, size);
34 if (attr & EFI_MEMORY_WB) 34 if (attr & EFI_MEMORY_WB)
35 return phys_to_virt(offset); 35 return (void __iomem *) phys_to_virt(offset);
36 else if (attr & EFI_MEMORY_UC) 36 else if (attr & EFI_MEMORY_UC)
37 return __ioremap(offset, size); 37 return __ioremap(offset, size);
38 38
@@ -43,7 +43,7 @@ ioremap (unsigned long offset, unsigned long size)
43 gran_base = GRANULEROUNDDOWN(offset); 43 gran_base = GRANULEROUNDDOWN(offset);
44 gran_size = GRANULEROUNDUP(offset + size) - gran_base; 44 gran_size = GRANULEROUNDUP(offset + size) - gran_base;
45 if (efi_mem_attribute(gran_base, gran_size) & EFI_MEMORY_WB) 45 if (efi_mem_attribute(gran_base, gran_size) & EFI_MEMORY_WB)
46 return phys_to_virt(offset); 46 return (void __iomem *) phys_to_virt(offset);
47 47
48 return __ioremap(offset, size); 48 return __ioremap(offset, size);
49} 49}
@@ -53,7 +53,7 @@ void __iomem *
53ioremap_nocache (unsigned long offset, unsigned long size) 53ioremap_nocache (unsigned long offset, unsigned long size)
54{ 54{
55 if (kern_mem_attribute(offset, size) & EFI_MEMORY_WB) 55 if (kern_mem_attribute(offset, size) & EFI_MEMORY_WB)
56 return 0; 56 return NULL;
57 57
58 return __ioremap(offset, size); 58 return __ioremap(offset, size);
59} 59}
diff --git a/arch/ia64/sn/kernel/xpc_main.c b/arch/ia64/sn/kernel/xpc_main.c
index 99b123a6421a..5e8e59efb347 100644
--- a/arch/ia64/sn/kernel/xpc_main.c
+++ b/arch/ia64/sn/kernel/xpc_main.c
@@ -480,7 +480,7 @@ xpc_activating(void *__partid)
480 partid_t partid = (u64) __partid; 480 partid_t partid = (u64) __partid;
481 struct xpc_partition *part = &xpc_partitions[partid]; 481 struct xpc_partition *part = &xpc_partitions[partid];
482 unsigned long irq_flags; 482 unsigned long irq_flags;
483 struct sched_param param = { sched_priority: MAX_RT_PRIO - 1 }; 483 struct sched_param param = { .sched_priority = MAX_RT_PRIO - 1 };
484 int ret; 484 int ret;
485 485
486 486
diff --git a/arch/ia64/sn/pci/tioce_provider.c b/arch/ia64/sn/pci/tioce_provider.c
index 17cd34284886..af7171adcd2c 100644
--- a/arch/ia64/sn/pci/tioce_provider.c
+++ b/arch/ia64/sn/pci/tioce_provider.c
@@ -74,7 +74,7 @@ tioce_mmr_war_pre(struct tioce_kernel *kern, void *mmr_addr)
74 else 74 else
75 mmr_war_offset = 0x158; 75 mmr_war_offset = 0x158;
76 76
77 readq_relaxed((void *)(mmr_base + mmr_war_offset)); 77 readq_relaxed((void __iomem *)(mmr_base + mmr_war_offset));
78 } 78 }
79} 79}
80 80
@@ -92,8 +92,8 @@ tioce_mmr_war_post(struct tioce_kernel *kern, void *mmr_addr)
92 92
93 if (mmr_offset < 0x45000) { 93 if (mmr_offset < 0x45000) {
94 if (mmr_offset == 0x100) 94 if (mmr_offset == 0x100)
95 readq_relaxed((void *)(mmr_base + 0x38)); 95 readq_relaxed((void __iomem *)(mmr_base + 0x38));
96 readq_relaxed((void *)(mmr_base + 0xb050)); 96 readq_relaxed((void __iomem *)(mmr_base + 0xb050));
97 } 97 }
98} 98}
99 99
generated by cgit v1.2.2 (git 2.25.0) at 2025-01-21 09:48:06 -0500