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authorDavid S. Miller <davem@davemloft.net>2010-02-20 16:53:16 -0500
committerDavid S. Miller <davem@davemloft.net>2010-02-20 16:53:16 -0500
commit198d2f63a6096fe575b696b13ba61b62c620266f (patch)
treed0c2b0697370cc670029cd1eb2a80c35c71eac60 /arch/sparc/kernel
parent0da2b300b91ddeb9944c3fb4faaf78c1c482c0af (diff)
parent1f474646fdc36b457606bbcd6a3592e6cbd31ac4 (diff)
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/sparc-2.6
Diffstat (limited to 'arch/sparc/kernel')
-rw-r--r--arch/sparc/kernel/kstack.h4
-rw-r--r--arch/sparc/kernel/of_device_32.c2
-rw-r--r--arch/sparc/kernel/pci.c7
-rw-r--r--arch/sparc/kernel/process_32.c2
-rw-r--r--arch/sparc/kernel/process_64.c8
-rw-r--r--arch/sparc/kernel/signal32.c10
-rw-r--r--arch/sparc/kernel/signal_32.c6
-rw-r--r--arch/sparc/kernel/signal_64.c8
-rw-r--r--arch/sparc/kernel/tsb.S6
9 files changed, 36 insertions, 17 deletions
diff --git a/arch/sparc/kernel/kstack.h b/arch/sparc/kernel/kstack.h
index 4248d969272f..5247283d1c03 100644
--- a/arch/sparc/kernel/kstack.h
+++ b/arch/sparc/kernel/kstack.h
@@ -11,6 +11,10 @@ static inline bool kstack_valid(struct thread_info *tp, unsigned long sp)
11{ 11{
12 unsigned long base = (unsigned long) tp; 12 unsigned long base = (unsigned long) tp;
13 13
14 /* Stack pointer must be 16-byte aligned. */
15 if (sp & (16UL - 1))
16 return false;
17
14 if (sp >= (base + sizeof(struct thread_info)) && 18 if (sp >= (base + sizeof(struct thread_info)) &&
15 sp <= (base + THREAD_SIZE - sizeof(struct sparc_stackf))) 19 sp <= (base + THREAD_SIZE - sizeof(struct sparc_stackf)))
16 return true; 20 return true;
diff --git a/arch/sparc/kernel/of_device_32.c b/arch/sparc/kernel/of_device_32.c
index 4c26eb59e742..53a58b349849 100644
--- a/arch/sparc/kernel/of_device_32.c
+++ b/arch/sparc/kernel/of_device_32.c
@@ -105,7 +105,7 @@ static unsigned long of_bus_sbus_get_flags(const u32 *addr, unsigned long flags)
105 105
106static int of_bus_ambapp_match(struct device_node *np) 106static int of_bus_ambapp_match(struct device_node *np)
107{ 107{
108 return !strcmp(np->name, "ambapp"); 108 return !strcmp(np->type, "ambapp");
109} 109}
110 110
111static void of_bus_ambapp_count_cells(struct device_node *child, 111static void of_bus_ambapp_count_cells(struct device_node *child,
diff --git a/arch/sparc/kernel/pci.c b/arch/sparc/kernel/pci.c
index 539e83f8e087..592b03d85167 100644
--- a/arch/sparc/kernel/pci.c
+++ b/arch/sparc/kernel/pci.c
@@ -247,6 +247,7 @@ static struct pci_dev *of_create_pci_dev(struct pci_pbm_info *pbm,
247 struct pci_bus *bus, int devfn) 247 struct pci_bus *bus, int devfn)
248{ 248{
249 struct dev_archdata *sd; 249 struct dev_archdata *sd;
250 struct pci_slot *slot;
250 struct of_device *op; 251 struct of_device *op;
251 struct pci_dev *dev; 252 struct pci_dev *dev;
252 const char *type; 253 const char *type;
@@ -286,6 +287,11 @@ static struct pci_dev *of_create_pci_dev(struct pci_pbm_info *pbm,
286 dev->dev.bus = &pci_bus_type; 287 dev->dev.bus = &pci_bus_type;
287 dev->devfn = devfn; 288 dev->devfn = devfn;
288 dev->multifunction = 0; /* maybe a lie? */ 289 dev->multifunction = 0; /* maybe a lie? */
290 set_pcie_port_type(dev);
291
292 list_for_each_entry(slot, &dev->bus->slots, list)
293 if (PCI_SLOT(dev->devfn) == slot->number)
294 dev->slot = slot;
289 295
290 dev->vendor = of_getintprop_default(node, "vendor-id", 0xffff); 296 dev->vendor = of_getintprop_default(node, "vendor-id", 0xffff);
291 dev->device = of_getintprop_default(node, "device-id", 0xffff); 297 dev->device = of_getintprop_default(node, "device-id", 0xffff);
@@ -322,6 +328,7 @@ static struct pci_dev *of_create_pci_dev(struct pci_pbm_info *pbm,
322 328
323 dev->current_state = 4; /* unknown power state */ 329 dev->current_state = 4; /* unknown power state */
324 dev->error_state = pci_channel_io_normal; 330 dev->error_state = pci_channel_io_normal;
331 dev->dma_mask = 0xffffffff;
325 332
326 if (!strcmp(node->name, "pci")) { 333 if (!strcmp(node->name, "pci")) {
327 /* a PCI-PCI bridge */ 334 /* a PCI-PCI bridge */
diff --git a/arch/sparc/kernel/process_32.c b/arch/sparc/kernel/process_32.c
index 2830b415e214..c49865b30719 100644
--- a/arch/sparc/kernel/process_32.c
+++ b/arch/sparc/kernel/process_32.c
@@ -526,7 +526,7 @@ int copy_thread(unsigned long clone_flags, unsigned long sp,
526 * Set some valid stack frames to give to the child. 526 * Set some valid stack frames to give to the child.
527 */ 527 */
528 childstack = (struct sparc_stackf __user *) 528 childstack = (struct sparc_stackf __user *)
529 (sp & ~0x7UL); 529 (sp & ~0xfUL);
530 parentstack = (struct sparc_stackf __user *) 530 parentstack = (struct sparc_stackf __user *)
531 regs->u_regs[UREG_FP]; 531 regs->u_regs[UREG_FP];
532 532
diff --git a/arch/sparc/kernel/process_64.c b/arch/sparc/kernel/process_64.c
index c3f1cce0e95e..cb70476bd8f5 100644
--- a/arch/sparc/kernel/process_64.c
+++ b/arch/sparc/kernel/process_64.c
@@ -398,11 +398,11 @@ static unsigned long clone_stackframe(unsigned long csp, unsigned long psp)
398 } else 398 } else
399 __get_user(fp, &(((struct reg_window32 __user *)psp)->ins[6])); 399 __get_user(fp, &(((struct reg_window32 __user *)psp)->ins[6]));
400 400
401 /* Now 8-byte align the stack as this is mandatory in the 401 /* Now align the stack as this is mandatory in the Sparc ABI
402 * Sparc ABI due to how register windows work. This hides 402 * due to how register windows work. This hides the
403 * the restriction from thread libraries etc. -DaveM 403 * restriction from thread libraries etc.
404 */ 404 */
405 csp &= ~7UL; 405 csp &= ~15UL;
406 406
407 distance = fp - psp; 407 distance = fp - psp;
408 rval = (csp - distance); 408 rval = (csp - distance);
diff --git a/arch/sparc/kernel/signal32.c b/arch/sparc/kernel/signal32.c
index ba5b09ad6666..ea22cd373c64 100644
--- a/arch/sparc/kernel/signal32.c
+++ b/arch/sparc/kernel/signal32.c
@@ -120,8 +120,8 @@ struct rt_signal_frame32 {
120}; 120};
121 121
122/* Align macros */ 122/* Align macros */
123#define SF_ALIGNEDSZ (((sizeof(struct signal_frame32) + 7) & (~7))) 123#define SF_ALIGNEDSZ (((sizeof(struct signal_frame32) + 15) & (~15)))
124#define RT_ALIGNEDSZ (((sizeof(struct rt_signal_frame32) + 7) & (~7))) 124#define RT_ALIGNEDSZ (((sizeof(struct rt_signal_frame32) + 15) & (~15)))
125 125
126int copy_siginfo_to_user32(compat_siginfo_t __user *to, siginfo_t *from) 126int copy_siginfo_to_user32(compat_siginfo_t __user *to, siginfo_t *from)
127{ 127{
@@ -420,15 +420,17 @@ static void __user *get_sigframe(struct sigaction *sa, struct pt_regs *regs, uns
420 sp = current->sas_ss_sp + current->sas_ss_size; 420 sp = current->sas_ss_sp + current->sas_ss_size;
421 } 421 }
422 422
423 sp -= framesize;
424
423 /* Always align the stack frame. This handles two cases. First, 425 /* Always align the stack frame. This handles two cases. First,
424 * sigaltstack need not be mindful of platform specific stack 426 * sigaltstack need not be mindful of platform specific stack
425 * alignment. Second, if we took this signal because the stack 427 * alignment. Second, if we took this signal because the stack
426 * is not aligned properly, we'd like to take the signal cleanly 428 * is not aligned properly, we'd like to take the signal cleanly
427 * and report that. 429 * and report that.
428 */ 430 */
429 sp &= ~7UL; 431 sp &= ~15UL;
430 432
431 return (void __user *)(sp - framesize); 433 return (void __user *) sp;
432} 434}
433 435
434static int save_fpu_state32(struct pt_regs *regs, __siginfo_fpu_t __user *fpu) 436static int save_fpu_state32(struct pt_regs *regs, __siginfo_fpu_t __user *fpu)
diff --git a/arch/sparc/kernel/signal_32.c b/arch/sparc/kernel/signal_32.c
index 7ce1a1005b1d..9882df92ba0a 100644
--- a/arch/sparc/kernel/signal_32.c
+++ b/arch/sparc/kernel/signal_32.c
@@ -267,15 +267,17 @@ static inline void __user *get_sigframe(struct sigaction *sa, struct pt_regs *re
267 sp = current->sas_ss_sp + current->sas_ss_size; 267 sp = current->sas_ss_sp + current->sas_ss_size;
268 } 268 }
269 269
270 sp -= framesize;
271
270 /* Always align the stack frame. This handles two cases. First, 272 /* Always align the stack frame. This handles two cases. First,
271 * sigaltstack need not be mindful of platform specific stack 273 * sigaltstack need not be mindful of platform specific stack
272 * alignment. Second, if we took this signal because the stack 274 * alignment. Second, if we took this signal because the stack
273 * is not aligned properly, we'd like to take the signal cleanly 275 * is not aligned properly, we'd like to take the signal cleanly
274 * and report that. 276 * and report that.
275 */ 277 */
276 sp &= ~7UL; 278 sp &= ~15UL;
277 279
278 return (void __user *)(sp - framesize); 280 return (void __user *) sp;
279} 281}
280 282
281static inline int 283static inline int
diff --git a/arch/sparc/kernel/signal_64.c b/arch/sparc/kernel/signal_64.c
index 647afbda7ae1..9fa48c30037e 100644
--- a/arch/sparc/kernel/signal_64.c
+++ b/arch/sparc/kernel/signal_64.c
@@ -353,7 +353,7 @@ segv:
353/* Checks if the fp is valid */ 353/* Checks if the fp is valid */
354static int invalid_frame_pointer(void __user *fp, int fplen) 354static int invalid_frame_pointer(void __user *fp, int fplen)
355{ 355{
356 if (((unsigned long) fp) & 7) 356 if (((unsigned long) fp) & 15)
357 return 1; 357 return 1;
358 return 0; 358 return 0;
359} 359}
@@ -396,15 +396,17 @@ static inline void __user *get_sigframe(struct k_sigaction *ka, struct pt_regs *
396 sp = current->sas_ss_sp + current->sas_ss_size; 396 sp = current->sas_ss_sp + current->sas_ss_size;
397 } 397 }
398 398
399 sp -= framesize;
400
399 /* Always align the stack frame. This handles two cases. First, 401 /* Always align the stack frame. This handles two cases. First,
400 * sigaltstack need not be mindful of platform specific stack 402 * sigaltstack need not be mindful of platform specific stack
401 * alignment. Second, if we took this signal because the stack 403 * alignment. Second, if we took this signal because the stack
402 * is not aligned properly, we'd like to take the signal cleanly 404 * is not aligned properly, we'd like to take the signal cleanly
403 * and report that. 405 * and report that.
404 */ 406 */
405 sp &= ~7UL; 407 sp &= ~15UL;
406 408
407 return (void __user *)(sp - framesize); 409 return (void __user *) sp;
408} 410}
409 411
410static inline void 412static inline void
diff --git a/arch/sparc/kernel/tsb.S b/arch/sparc/kernel/tsb.S
index 8c91d9b29a2f..db15d123f054 100644
--- a/arch/sparc/kernel/tsb.S
+++ b/arch/sparc/kernel/tsb.S
@@ -191,10 +191,12 @@ tsb_dtlb_load:
191 191
192tsb_itlb_load: 192tsb_itlb_load:
193 /* Executable bit must be set. */ 193 /* Executable bit must be set. */
194661: andcc %g5, _PAGE_EXEC_4U, %g0 194661: sethi %hi(_PAGE_EXEC_4U), %g4
195 .section .sun4v_1insn_patch, "ax" 195 andcc %g5, %g4, %g0
196 .section .sun4v_2insn_patch, "ax"
196 .word 661b 197 .word 661b
197 andcc %g5, _PAGE_EXEC_4V, %g0 198 andcc %g5, _PAGE_EXEC_4V, %g0
199 nop
198 .previous 200 .previous
199 201
200 be,pn %xcc, tsb_do_fault 202 be,pn %xcc, tsb_do_fault