Merge branch 'release' of git://git.kernel.org/pub/scm/linux/kernel/g…

…it/aegl/linux-2.6

* 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux-2.6:
  [IA64] Fix iosapic interrupt delivery mode for CPE
  [IA64] kprobe: make kreturn probe handler stack unwind correct
  [IA64] operator priority fix in acpi_map_lsapic()
  [IA64] Add missing "space" to concatenated strings
  [IA64] make full use of macro efi_md_size
  [IA64] rename _bss to __bss_start
  [IA64] SGI Altix : fix bug in sn_io_late_init()
  [IA64] iosapic cleanup
  [IA64] signal : fix missing error checkings
  [IA64] export copy_page() to modules
  [IA64] don't assume that unwcheck.py is executable
  [IA64] increase .data.patch offset

arch/ia64/Makefile

@@ -77,7 +77,7 @@ vmlinux.gz: vmlinux
 	$(Q)$(MAKE) $(build)=$(boot) $@
 
 unwcheck: vmlinux
-	-$(Q)READELF=$(READELF) $(srctree)/arch/ia64/scripts/unwcheck.py $<
+	-$(Q)READELF=$(READELF) python $(srctree)/arch/ia64/scripts/unwcheck.py $<
 
 archclean:
 	$(Q)$(MAKE) $(clean)=$(boot)

arch/ia64/hp/sim/boot/Makefile

@@ -33,5 +33,5 @@ $(obj)/vmlinux.bin: vmlinux FORCE
 LDFLAGS_bootloader = -static -T
 
 $(obj)/bootloader: $(src)/bootloader.lds $(obj)/bootloader.o $(obj)/boot_head.o $(obj)/fw-emu.o \
-                   lib/lib.a arch/ia64/lib/lib.a FORCE
+                   lib/lib.a arch/ia64/lib/built-in.o arch/ia64/lib/lib.a FORCE
 	$(call if_changed,ld)

arch/ia64/hp/sim/boot/bootloader.lds

@@ -22,10 +22,11 @@ SECTIONS
   .sdata     : { *(.sdata) }
   _edata  =  .;
 
-  _bss = .;
+  __bss_start = .;
   .sbss      : { *(.sbss) *(.scommon) }
   .bss       : { *(.bss) *(COMMON) }
   . = ALIGN(64 / 8);
+  __bss_stop = .;
   _end = . ;
 
   /* Stabs debugging sections.  */

arch/ia64/kernel/acpi.c

@@ -860,7 +860,7 @@ int acpi_map_lsapic(acpi_handle handle, int *pcpu)
 	lsapic = (struct acpi_madt_local_sapic *)obj->buffer.pointer;
 
 	if ((lsapic->header.type != ACPI_MADT_TYPE_LOCAL_SAPIC) ||
-	    (!lsapic->lapic_flags & ACPI_MADT_ENABLED)) {
+	    (!(lsapic->lapic_flags & ACPI_MADT_ENABLED))) {
 		kfree(buffer.pointer);
 		return -EINVAL;
 	}

arch/ia64/kernel/efi.c

@@ -370,15 +370,15 @@ efi_get_pal_addr (void)
 			continue;
 		}
 
-		if (md->num_pages << EFI_PAGE_SHIFT > IA64_GRANULE_SIZE)
+		if (efi_md_size(md) > IA64_GRANULE_SIZE)
 			panic("Woah!  PAL code size bigger than a granule!");
 
 #if EFI_DEBUG
 		mask  = ~((1 << IA64_GRANULE_SHIFT) - 1);
 
 		printk(KERN_INFO "CPU %d: mapping PAL code [0x%lx-0x%lx) into [0x%lx-0x%lx)\n",
 			smp_processor_id(), md->phys_addr,
-			md->phys_addr + (md->num_pages << EFI_PAGE_SHIFT),
+			md->phys_addr + efi_md_size(md),
 			vaddr & mask, (vaddr & mask) + IA64_GRANULE_SIZE);
 #endif
 		return __va(md->phys_addr);
@@ -523,7 +523,7 @@ efi_init (void)
 			md = p;
 			printk("mem%02u: type=%u, attr=0x%lx, range=[0x%016lx-0x%016lx) (%luMB)\n",
 			       i, md->type, md->attribute, md->phys_addr,
-			       md->phys_addr + (md->num_pages << EFI_PAGE_SHIFT),
+			       md->phys_addr + efi_md_size(md),
 			       md->num_pages >> (20 - EFI_PAGE_SHIFT));
 		}
 	}
@@ -656,7 +656,7 @@ efi_memory_descriptor (unsigned long phys_addr)
 	for (p = efi_map_start; p < efi_map_end; p += efi_desc_size) {
 		md = p;
 
-		if (phys_addr - md->phys_addr < (md->num_pages << EFI_PAGE_SHIFT))
+		if (phys_addr - md->phys_addr < efi_md_size(md))
 			 return md;
 	}
 	return NULL;
@@ -1158,7 +1158,7 @@ efi_initialize_iomem_resources(struct resource *code_resource,
 
 		res->name = name;
 		res->start = md->phys_addr;
-		res->end = md->phys_addr + (md->num_pages << EFI_PAGE_SHIFT) - 1;
+		res->end = md->phys_addr + efi_md_size(md) - 1;
 		res->flags = flags;
 
 		if (insert_resource(&iomem_resource, res) < 0)

arch/ia64/kernel/gate.lds.S

@@ -30,7 +30,7 @@ SECTIONS
 	 * the dynamic symbol table et al.  If this amount is insufficient,
 	 * ld -shared will barf.  Just increase it here.
 	 */
-	. = GATE_ADDR + 0x500;
+	. = GATE_ADDR + 0x600;
 
 	.data.patch		: {
 		__start_gate_mckinley_e9_patchlist = .;

arch/ia64/kernel/ia64_ksyms.c

@@ -63,6 +63,9 @@ EXPORT_SYMBOL(__udivdi3);
 EXPORT_SYMBOL(__moddi3);
 EXPORT_SYMBOL(__umoddi3);
 
+#include <asm/page.h>
+EXPORT_SYMBOL(copy_page);
+
 #if defined(CONFIG_MD_RAID456) || defined(CONFIG_MD_RAID456_MODULE)
 extern void xor_ia64_2(void);
 extern void xor_ia64_3(void);

arch/ia64/kernel/iosapic.c

@@ -199,19 +199,6 @@ static inline int __gsi_to_irq(unsigned int gsi)
 	return -1;
 }
 
-/*
- * Translate GSI number to the corresponding IA-64 interrupt vector.  If no
- * entry exists, return -1.
- */
-inline int
-gsi_to_vector (unsigned int gsi)
-{
-	int irq = __gsi_to_irq(gsi);
-	if (check_irq_used(irq) < 0)
-		return -1;
-	return irq_to_vector(irq);
-}
-
 int
 gsi_to_irq (unsigned int gsi)
 {
@@ -429,7 +416,7 @@ iosapic_end_level_irq (unsigned int irq)
 #define iosapic_disable_level_irq	mask_irq
 #define iosapic_ack_level_irq		nop
 
-struct irq_chip irq_type_iosapic_level = {
+static struct irq_chip irq_type_iosapic_level = {
 	.name =		"IO-SAPIC-level",
 	.startup =	iosapic_startup_level_irq,
 	.shutdown =	iosapic_shutdown_level_irq,
@@ -478,7 +465,7 @@ iosapic_ack_edge_irq (unsigned int irq)
 #define iosapic_disable_edge_irq	nop
 #define iosapic_end_edge_irq		nop
 
-struct irq_chip irq_type_iosapic_edge = {
+static struct irq_chip irq_type_iosapic_edge = {
 	.name =		"IO-SAPIC-edge",
 	.startup =	iosapic_startup_edge_irq,
 	.shutdown =	iosapic_disable_edge_irq,
@@ -491,7 +478,7 @@ struct irq_chip irq_type_iosapic_edge = {
 	.set_affinity =	iosapic_set_affinity
 };
 
-unsigned int
+static unsigned int
 iosapic_version (char __iomem *addr)
 {
 	/*
@@ -938,7 +925,7 @@ iosapic_register_platform_intr (u32 int_type, unsigned int gsi,
 	      case ACPI_INTERRUPT_CPEI:
 		irq = vector = IA64_CPE_VECTOR;
 		BUG_ON(bind_irq_vector(irq, vector, CPU_MASK_ALL));
-		delivery = IOSAPIC_LOWEST_PRIORITY;
+		delivery = IOSAPIC_FIXED;
 		mask = 1;
 		break;
 	      default:

arch/ia64/kernel/kprobes.c

@@ -182,8 +182,8 @@ static int __kprobes unsupported_inst(uint template, uint  slot,
 	qp = kprobe_inst & 0x3f;
 	if (is_cmp_ctype_unc_inst(template, slot, major_opcode, kprobe_inst)) {
 		if (slot == 1 && qp)  {
-			printk(KERN_WARNING "Kprobes on cmp unc"
-					"instruction on slot 1 at <0x%lx>"
+			printk(KERN_WARNING "Kprobes on cmp unc "
+					"instruction on slot 1 at <0x%lx> "
 					"is not supported\n", addr);
 			return -EINVAL;
 
@@ -221,8 +221,8 @@ static int __kprobes unsupported_inst(uint template, uint  slot,
 			 * bit 12 to be equal to 1
 			 */
 			if (slot == 1 && qp) {
-				printk(KERN_WARNING "Kprobes on test bit"
-						"instruction on slot at <0x%lx>"
+				printk(KERN_WARNING "Kprobes on test bit "
+						"instruction on slot at <0x%lx> "
 						"is not supported\n", addr);
 				return -EINVAL;
 			}
@@ -242,7 +242,7 @@ static int __kprobes unsupported_inst(uint template, uint  slot,
 			 */
 			int x6=(kprobe_inst >> 27) & 0x3F;
 			if ((x6 == 0x10) || (x6 == 0x11)) {
-				printk(KERN_WARNING "Kprobes on"
+				printk(KERN_WARNING "Kprobes on "
 					"Indirect Predict is not supported\n");
 				return -EINVAL;
 			}
@@ -430,6 +430,23 @@ int __kprobes trampoline_probe_handler(struct kprobe *p, struct pt_regs *regs)
 	 *       real return address, and all the rest will point to
 	 *       kretprobe_trampoline
 	 */
+	hlist_for_each_entry_safe(ri, node, tmp, head, hlist) {
+		if (ri->task != current)
+			/* another task is sharing our hash bucket */
+			continue;
+
+		orig_ret_address = (unsigned long)ri->ret_addr;
+		if (orig_ret_address != trampoline_address)
+			/*
+			 * This is the real return address. Any other
+			 * instances associated with this task are for
+			 * other calls deeper on the call stack
+			 */
+			break;
+	}
+
+	regs->cr_iip = orig_ret_address;
+
 	hlist_for_each_entry_safe(ri, node, tmp, head, hlist) {
 		if (ri->task != current)
 			/* another task is sharing our hash bucket */
@@ -452,8 +469,6 @@ int __kprobes trampoline_probe_handler(struct kprobe *p, struct pt_regs *regs)
 
 	kretprobe_assert(ri, orig_ret_address, trampoline_address);
 
-	regs->cr_iip = orig_ret_address;
-
 	reset_current_kprobe();
 	spin_unlock_irqrestore(&kretprobe_lock, flags);
 	preempt_enable_no_resched();

arch/ia64/kernel/setup.c

@@ -95,7 +95,6 @@ static struct resource bss_resource = {
 	.name	= "Kernel bss",
 	.flags	= IORESOURCE_BUSY | IORESOURCE_MEM
 };
-extern char _text[], _end[], _etext[], _edata[], _bss[];
 
 unsigned long ia64_max_cacheline_size;
 
@@ -206,7 +205,7 @@ static int __init register_memory(void)
 	code_resource.end   = ia64_tpa(_etext) - 1;
 	data_resource.start = ia64_tpa(_etext);
 	data_resource.end   = ia64_tpa(_edata) - 1;
-	bss_resource.start  = ia64_tpa(_bss);
+	bss_resource.start  = ia64_tpa(__bss_start);
 	bss_resource.end    = ia64_tpa(_end) - 1;
 	efi_initialize_iomem_resources(&code_resource, &data_resource,
 			&bss_resource);

arch/ia64/kernel/signal.c

@@ -98,7 +98,7 @@ restore_sigcontext (struct sigcontext __user *sc, struct sigscratch *scr)
 	if ((flags & IA64_SC_FLAG_FPH_VALID) != 0) {
 		struct ia64_psr *psr = ia64_psr(&scr->pt);
 
-		__copy_from_user(current->thread.fph, &sc->sc_fr[32], 96*16);
+		err |= __copy_from_user(current->thread.fph, &sc->sc_fr[32], 96*16);
 		psr->mfh = 0;	/* drop signal handler's fph contents... */
 		preempt_disable();
 		if (psr->dfh)
@@ -244,7 +244,7 @@ static long
 setup_sigcontext (struct sigcontext __user *sc, sigset_t *mask, struct sigscratch *scr)
 {
 	unsigned long flags = 0, ifs, cfm, nat;
-	long err;
+	long err = 0;
 
 	ifs = scr->pt.cr_ifs;
 
@@ -257,12 +257,12 @@ setup_sigcontext (struct sigcontext __user *sc, sigset_t *mask, struct sigscratc
 	ia64_flush_fph(current);
 	if ((current->thread.flags & IA64_THREAD_FPH_VALID)) {
 		flags |= IA64_SC_FLAG_FPH_VALID;
-		__copy_to_user(&sc->sc_fr[32], current->thread.fph, 96*16);
+		err = __copy_to_user(&sc->sc_fr[32], current->thread.fph, 96*16);
 	}
 
 	nat = ia64_get_scratch_nat_bits(&scr->pt, scr->scratch_unat);
 
-	err  = __put_user(flags, &sc->sc_flags);
+	err |= __put_user(flags, &sc->sc_flags);
 	err |= __put_user(nat, &sc->sc_nat);
 	err |= PUT_SIGSET(mask, &sc->sc_mask);
 	err |= __put_user(cfm, &sc->sc_cfm);

arch/ia64/kernel/vmlinux.lds.S

@@ -240,11 +240,12 @@ SECTIONS
   .sdata : AT(ADDR(.sdata) - LOAD_OFFSET)
 	{ *(.sdata) *(.sdata1) *(.srdata) }
   _edata  =  .;
-  _bss = .;
+  __bss_start = .;
   .sbss : AT(ADDR(.sbss) - LOAD_OFFSET)
 	{ *(.sbss) *(.scommon) }
   .bss : AT(ADDR(.bss) - LOAD_OFFSET)
 	{ *(.bss) *(COMMON) }
+  __bss_stop = .;
 
   _end = .;
 

arch/ia64/lib/Makefile

@@ -11,8 +11,8 @@ lib-y := __divsi3.o __udivsi3.o __modsi3.o __umodsi3.o			\
 	flush.o ip_fast_csum.o do_csum.o				\
 	memset.o strlen.o xor.o
 
-lib-$(CONFIG_ITANIUM)	+= copy_page.o copy_user.o memcpy.o
-lib-$(CONFIG_MCKINLEY)	+= copy_page_mck.o memcpy_mck.o
+obj-$(CONFIG_ITANIUM)	+= copy_page.o copy_user.o memcpy.o
+obj-$(CONFIG_MCKINLEY)	+= copy_page_mck.o memcpy_mck.o
 lib-$(CONFIG_PERFMON)	+= carta_random.o
 
 AFLAGS___divdi3.o	=

arch/ia64/mm/tlb.c

@@ -180,7 +180,7 @@ ia64_tlb_init (void)
 	long status;
 
 	if ((status = ia64_pal_vm_page_size(&tr_pgbits, &purge.mask)) != 0) {
-		printk(KERN_ERR "PAL_VM_PAGE_SIZE failed with status=%ld;"
+		printk(KERN_ERR "PAL_VM_PAGE_SIZE failed with status=%ld; "
 		       "defaulting to architected purge page-sizes.\n", status);
 		purge.mask = 0x115557000UL;
 	}

arch/ia64/sn/kernel/io_common.c

@@ -347,7 +347,7 @@ sn_common_bus_fixup(struct pci_bus *bus,
 	if (controller->node >= num_online_nodes()) {
 		struct pcibus_bussoft *b = SN_PCIBUS_BUSSOFT(bus);
 
-		printk(KERN_WARNING "Device ASIC=%u XID=%u PBUSNUM=%u"
+		printk(KERN_WARNING "Device ASIC=%u XID=%u PBUSNUM=%u "
 		       "L_IO=%lx L_MEM=%lx BASE=%lx\n",
 		       b->bs_asic_type, b->bs_xid, b->bs_persist_busnum,
 		       b->bs_legacy_io, b->bs_legacy_mem, b->bs_base);
@@ -545,19 +545,18 @@ sn_io_late_init(void)
 		nasid = NASID_GET(bussoft->bs_base);
 		cnode = nasid_to_cnodeid(nasid);
 		if ((bussoft->bs_asic_type == PCIIO_ASIC_TYPE_TIOCP) ||
-		    (bussoft->bs_asic_type == PCIIO_ASIC_TYPE_TIOCE)) {
-			/* TIO PCI Bridge: find nearest node with CPUs */
+		    (bussoft->bs_asic_type == PCIIO_ASIC_TYPE_TIOCE) ||
+		    (bussoft->bs_asic_type == PCIIO_ASIC_TYPE_PIC)) {
+			/* PCI Bridge: find nearest node with CPUs */
 			int e = sn_hwperf_get_nearest_node(cnode, NULL,
 							   &near_cnode);
 			if (e < 0) {
 				near_cnode = (cnodeid_t)-1; /* use any node */
-				printk(KERN_WARNING "pcibr_bus_fixup: failed "
-				       "to find near node with CPUs to TIO "
+				printk(KERN_WARNING "sn_io_late_init: failed "
+				       "to find near node with CPUs for "
 				       "node %d, err=%d\n", cnode, e);
 			}
 			PCI_CONTROLLER(bus)->node = near_cnode;
-		} else if (bussoft->bs_asic_type == PCIIO_ASIC_TYPE_PIC) {
-			PCI_CONTROLLER(bus)->node = cnode;
 		}
 	}
 

include/asm-ia64/iosapic.h

@@ -80,7 +80,6 @@ extern int iosapic_remove (unsigned int gsi_base);
 #else
 #define iosapic_remove(gsi_base)				(-EINVAL)
 #endif /* CONFIG_HOTPLUG */
-extern int gsi_to_vector (unsigned int gsi);
 extern int gsi_to_irq (unsigned int gsi);
 extern int iosapic_register_intr (unsigned int gsi, unsigned long polarity,
 				  unsigned long trigger);
@@ -94,7 +93,6 @@ extern int __init iosapic_register_platform_intr (u32 int_type,
 					   u16 eid, u16 id,
 					   unsigned long polarity,
 					   unsigned long trigger);
-extern unsigned int iosapic_version (char __iomem *addr);
 
 #ifdef CONFIG_NUMA
 extern void __devinit map_iosapic_to_node (unsigned int, int);