---

yaml
---
r: 26321
b: refs/heads/master
c: e0a515b
h: refs/heads/master
i:
  26319: 51c94b5
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 6fb8f3acbe833586eb32598d1f844eb9f77c4fba
+refs/heads/master: e0a515bc6a2188f02916e976f419a8640312e32a

trunk/Documentation/power/video.txt

@@ -140,7 +140,7 @@ IBM TP T41p			s3_bios (2), switch to X after resume
 IBM TP T42			s3_bios (2)
 IBM ThinkPad T42p (2373-GTG)	s3_bios (2)
 IBM TP X20			??? (*)
-IBM TP X30			s3_bios (2)
+IBM TP X30			s3_bios, s3_mode (4)
 IBM TP X31 / Type 2672-XXH      none (1), use radeontool (http://fdd.com/software/radeon/) to turn off backlight.
 IBM TP X32			none (1), but backlight is on and video is trashed after long suspend. s3_bios,s3_mode (4) works too. Perhaps that gets better results?
 IBM Thinkpad X40 Type 2371-7JG  s3_bios,s3_mode (4)

trunk/arch/i386/Kconfig

@@ -467,7 +467,7 @@ endchoice
 
 choice
 	depends on EXPERIMENTAL && !X86_PAE
-	prompt "Memory split"
+	prompt "Memory split" if EMBEDDED
 	default VMSPLIT_3G
 	help
 	  Select the desired split between kernel and user memory.
@@ -756,7 +756,7 @@ config PHYSICAL_START
 
 config HOTPLUG_CPU
 	bool "Support for hot-pluggable CPUs (EXPERIMENTAL)"
-	depends on SMP && HOTPLUG && EXPERIMENTAL && !X86_VOYAGER && !X86_PC
+	depends on SMP && HOTPLUG && EXPERIMENTAL && !X86_VOYAGER
 	---help---
 	  Say Y here to experiment with turning CPUs off and on.  CPUs
 	  can be controlled through /sys/devices/system/cpu.

trunk/arch/i386/kernel/kprobes.c

@@ -242,10 +242,6 @@ static int __kprobes kprobe_handler(struct pt_regs *regs)
 			kcb->kprobe_status = KPROBE_REENTER;
 			return 1;
 		} else {
-			if (regs->eflags & VM_MASK) {
-			/* We are in virtual-8086 mode. Return 0 */
-				goto no_kprobe;
-			}
 			if (*addr != BREAKPOINT_INSTRUCTION) {
 			/* The breakpoint instruction was removed by
 			 * another cpu right after we hit, no further
@@ -265,11 +261,6 @@ static int __kprobes kprobe_handler(struct pt_regs *regs)
 
 	p = get_kprobe(addr);
 	if (!p) {
-		if (regs->eflags & VM_MASK) {
-			/* We are in virtual-8086 mode. Return 0 */
-			goto no_kprobe;
-		}
-
 		if (*addr != BREAKPOINT_INSTRUCTION) {
 			/*
 			 * The breakpoint instruction was removed right
@@ -452,21 +443,25 @@ static void __kprobes resume_execution(struct kprobe *p,
 		*tos &= ~(TF_MASK | IF_MASK);
 		*tos |= kcb->kprobe_old_eflags;
 		break;
-	case 0xc3:		/* ret/lret */
-	case 0xcb:
-	case 0xc2:
+	case 0xc2:		/* iret/ret/lret */
+	case 0xc3:
 	case 0xca:
+	case 0xcb:
+	case 0xcf:
 	case 0xea:		/* jmp absolute -- eip is correct */
 		/* eip is already adjusted, no more changes required */
 		p->ainsn.boostable = 1;
 		goto no_change;
 	case 0xe8:		/* call relative - Fix return addr */
 		*tos = orig_eip + (*tos - copy_eip);
 		break;
+	case 0x9a:		/* call absolute -- same as call absolute, indirect */
+		*tos = orig_eip + (*tos - copy_eip);
+		goto no_change;
 	case 0xff:
 		if ((p->ainsn.insn[1] & 0x30) == 0x10) {
-			/* call absolute, indirect */
 			/*
+			 * call absolute, indirect
 			 * Fix return addr; eip is correct.
 			 * But this is not boostable
 			 */

trunk/arch/i386/kernel/smpboot.c

@@ -313,7 +313,9 @@ static void __init synchronize_tsc_bp (void)
 			if (tsc_values[i] < avg)
 				realdelta = -realdelta;
 
-			printk(KERN_INFO "CPU#%d had %ld usecs TSC skew, fixed it up.\n", i, realdelta);
+			if (realdelta > 0)
+				printk(KERN_INFO "CPU#%d had %ld usecs TSC "
+					"skew, fixed it up.\n", i, realdelta);
 		}
 
 		sum += delta;

trunk/arch/s390/kernel/compat_signal.c

@@ -430,7 +430,7 @@ get_sigframe(struct k_sigaction *ka, struct pt_regs * regs, size_t frame_size)
 
 	/* This is the X/Open sanctioned signal stack switching.  */
 	if (ka->sa.sa_flags & SA_ONSTACK) {
-		if (! on_sig_stack(sp))
+		if (! sas_ss_flags(sp))
 			sp = current->sas_ss_sp + current->sas_ss_size;
 	}
 

trunk/arch/s390/kernel/compat_wrapper.S

@@ -1608,3 +1608,45 @@ compat_sys_ppoll_wrapper:
 sys_unshare_wrapper:
 	llgfr	%r2,%r2			# unsigned long
 	jg	sys_unshare
+
+	.globl compat_sys_set_robust_list_wrapper
+compat_sys_set_robust_list_wrapper:
+	llgtr	%r2,%r2			# struct compat_robust_list_head *
+	llgfr	%r3,%r3			# size_t
+	jg	compat_sys_set_robust_list
+
+	.globl compat_sys_get_robust_list_wrapper
+compat_sys_get_robust_list_wrapper:
+	lgfr	%r2,%r2			# int
+	llgtr	%r3,%r3			# compat_uptr_t_t *
+	llgtr	%r4,%r4			# compat_size_t *
+	jg	compat_sys_get_robust_list
+
+	.globl sys_splice_wrapper
+sys_splice_wrapper:
+	lgfr	%r2,%r2			# int
+	llgtr	%r3,%r3			# loff_t *
+	lgfr	%r4,%r4			# int
+	llgtr	%r5,%r5			# loff_t *
+	llgfr	%r6,%r6			# size_t
+	llgf	%r0,164(%r15)		# unsigned int
+	stg	%r0,160(%r15)
+	jg	sys_splice
+
+	.globl	sys_sync_file_range_wrapper
+sys_sync_file_range_wrapper:
+	lgfr	%r2,%r2			# int
+	sllg	%r3,%r3,32		# get high word of 64bit loff_t
+	or	%r3,%r4			# get low word of 64bit loff_t
+	sllg	%r4,%r5,32		# get high word of 64bit loff_t
+	or	%r4,%r6			# get low word of 64bit loff_t
+	llgf	%r5,164(%r15)		# unsigned int
+	jg	sys_sync_file_range
+
+	.globl	sys_tee_wrapper
+sys_tee_wrapper:
+	lgfr	%r2,%r2			# int
+	lgfr	%r3,%r3			# int
+	llgfr	%r4,%r4			# size_t
+	llgfr	%r5,%r5			# unsigned int
+	jg	sys_tee

trunk/arch/s390/kernel/syscalls.S

@@ -312,3 +312,8 @@ SYSCALL(sys_faccessat,sys_faccessat,sys_faccessat_wrapper)	/* 300 */
 SYSCALL(sys_pselect6,sys_pselect6,compat_sys_pselect6_wrapper)
 SYSCALL(sys_ppoll,sys_ppoll,compat_sys_ppoll_wrapper)
 SYSCALL(sys_unshare,sys_unshare,sys_unshare_wrapper)
+SYSCALL(sys_set_robust_list,sys_set_robust_list,compat_sys_set_robust_list_wrapper)
+SYSCALL(sys_get_robust_list,sys_get_robust_list,compat_sys_get_robust_list_wrapper)
+SYSCALL(sys_splice,sys_splice,sys_splice_wrapper)
+SYSCALL(sys_sync_file_range,sys_sync_file_range,sys_sync_file_range_wrapper)
+SYSCALL(sys_tee,sys_tee,sys_tee_wrapper)

trunk/arch/s390/kernel/vmlinux.lds.S

@@ -58,9 +58,11 @@ SECTIONS
   . = ALIGN(4096);
   .data.page_aligned : { *(.data.idt) }
 
-  . = ALIGN(32);
+  . = ALIGN(256);
   .data.cacheline_aligned : { *(.data.cacheline_aligned) }
 
+  . = ALIGN(256);
+  .data.read_mostly : { *(.data.read_mostly) }
   _edata = .;			/* End of data section */
 
   . = ALIGN(8192);		/* init_task */

trunk/arch/s390/mm/extmem.c

@@ -192,6 +192,7 @@ query_segment_type (struct dcss_segment *seg)
 	diag_cc = dcss_diag (DCSS_SEGEXT, qin, &dummy, &vmrc);
 
 	if (diag_cc > 1) {
+		PRINT_WARN ("segment_type: diag returned error %ld\n", vmrc);
 		rc = dcss_diag_translate_rc (vmrc);
 		goto out_free;
 	}
@@ -553,7 +554,7 @@ segment_save(char *name)
 	int endpfn = 0;
 	char cmd1[160];
 	char cmd2[80];
-	int i;
+	int i, response;
 
 	if (!MACHINE_IS_VM)
 		return;
@@ -576,8 +577,20 @@ segment_save(char *name)
 			segtype_string[seg->range[i].start & 0xff]);
 	}
 	sprintf(cmd2, "SAVESEG %s", name);
-	cpcmd(cmd1, NULL, 0, NULL);
-	cpcmd(cmd2, NULL, 0, NULL);
+	response = 0;
+	cpcmd(cmd1, NULL, 0, &response);
+	if (response) {
+		PRINT_ERR("segment_save: DEFSEG failed with response code %i\n",
+			  response);
+		goto out;
+	}
+	cpcmd(cmd2, NULL, 0, &response);
+	if (response) {
+		PRINT_ERR("segment_save: SAVESEG failed with response code %i\n",
+			  response);
+		goto out;
+	}
+out:
 	spin_unlock(&dcss_lock);
 }
 

trunk/drivers/char/mwave/mwavedd.c

@@ -271,7 +271,7 @@ static int mwave_ioctl(struct inode *inode, struct file *file,
 				ipcnum,
 				pDrvData->IPCs[ipcnum].usIntCount);
 
-			if (ipcnum > ARRAY_SIZE(pDrvData->IPCs)) {
+			if (ipcnum >= ARRAY_SIZE(pDrvData->IPCs)) {
 				PRINTK_ERROR(KERN_ERR_MWAVE
 						"mwavedd::mwave_ioctl:"
 						" IOCTL_MW_REGISTER_IPC:"

trunk/drivers/char/tipar.c

@@ -515,7 +515,7 @@ tipar_init_module(void)
 		err = PTR_ERR(tipar_class);
 		goto out_chrdev;
 	}
-	if (parport_register_driver(&tipar_driver) || tp_count == 0) {
+	if (parport_register_driver(&tipar_driver)) {
 		printk(KERN_ERR "tipar: unable to register with parport\n");
 		err = -EIO;
 		goto out_class;

trunk/drivers/pcmcia/i82365.c

@@ -509,7 +509,8 @@ static irqreturn_t i365_count_irq(int irq, void *dev, struct pt_regs *regs)
 static u_int __init test_irq(u_short sock, int irq)
 {
     debug(2, "  testing ISA irq %d\n", irq);
-    if (request_irq(irq, i365_count_irq, 0, "scan", i365_count_irq) != 0)
+    if (request_irq(irq, i365_count_irq, SA_PROBEIRQ, "scan",
+			i365_count_irq) != 0)
 	return 1;
     irq_hits = 0; irq_sock = sock;
     msleep(10);
@@ -561,7 +562,7 @@ static u_int __init isa_scan(u_short sock, u_int mask0)
     } else {
 	/* Fallback: just find interrupts that aren't in use */
 	for (i = 0; i < 16; i++)
-	    if ((mask0 & (1 << i)) && (_check_irq(i, 0) == 0))
+	    if ((mask0 & (1 << i)) && (_check_irq(i, SA_PROBEIRQ) == 0))
 		mask1 |= (1 << i);
 	printk("default");
 	/* If scan failed, default to polled status */
@@ -725,7 +726,7 @@ static void __init add_pcic(int ns, int type)
 	u_int cs_mask = mask & ((cs_irq) ? (1<<cs_irq) : ~(1<<12));
 	for (cs_irq = 15; cs_irq > 0; cs_irq--)
 	    if ((cs_mask & (1 << cs_irq)) &&
-		(_check_irq(cs_irq, 0) == 0))
+		(_check_irq(cs_irq, SA_PROBEIRQ) == 0))
 		break;
 	if (cs_irq) {
 	    grab_irq = 1;

trunk/drivers/s390/block/dasd.c

@@ -314,6 +314,11 @@ dasd_increase_state(struct dasd_device *device)
 	    device->target >= DASD_STATE_READY)
 		rc = dasd_state_basic_to_ready(device);
 
+	if (!rc &&
+	    device->state == DASD_STATE_UNFMT &&
+	    device->target > DASD_STATE_UNFMT)
+		rc = -EPERM;
+
 	if (!rc &&
 	    device->state == DASD_STATE_READY &&
 	    device->target >= DASD_STATE_ONLINE)

trunk/drivers/s390/block/dasd_devmap.c

@@ -45,6 +45,7 @@ struct dasd_devmap {
         unsigned int devindex;
         unsigned short features;
 	struct dasd_device *device;
+	struct dasd_uid uid;
 };
 
 /*
@@ -716,6 +717,68 @@ dasd_discipline_show(struct device *dev, struct device_attribute *attr, char *bu
 
 static DEVICE_ATTR(discipline, 0444, dasd_discipline_show, NULL);
 
+static ssize_t
+dasd_alias_show(struct device *dev, struct device_attribute *attr, char *buf)
+{
+	struct dasd_devmap *devmap;
+	int alias;
+
+	devmap = dasd_find_busid(dev->bus_id);
+	spin_lock(&dasd_devmap_lock);
+	if (!IS_ERR(devmap))
+		alias = devmap->uid.alias;
+	else
+		alias = 0;
+	spin_unlock(&dasd_devmap_lock);
+
+	return sprintf(buf, alias ? "1\n" : "0\n");
+}
+
+static DEVICE_ATTR(alias, 0444, dasd_alias_show, NULL);
+
+static ssize_t
+dasd_vendor_show(struct device *dev, struct device_attribute *attr, char *buf)
+{
+	struct dasd_devmap *devmap;
+	char *vendor;
+
+	devmap = dasd_find_busid(dev->bus_id);
+	spin_lock(&dasd_devmap_lock);
+	if (!IS_ERR(devmap) && strlen(devmap->uid.vendor) > 0)
+		vendor = devmap->uid.vendor;
+	else
+		vendor = "";
+	spin_unlock(&dasd_devmap_lock);
+
+	return snprintf(buf, PAGE_SIZE, "%s\n", vendor);
+}
+
+static DEVICE_ATTR(vendor, 0444, dasd_vendor_show, NULL);
+
+#define UID_STRLEN ( /* vendor */ 3 + 1 + /* serial    */ 14 + 1 +\
+		     /* SSID   */ 4 + 1 + /* unit addr */ 2 + 1)
+
+static ssize_t
+dasd_uid_show(struct device *dev, struct device_attribute *attr, char *buf)
+{
+	struct dasd_devmap *devmap;
+	char uid[UID_STRLEN];
+
+	devmap = dasd_find_busid(dev->bus_id);
+	spin_lock(&dasd_devmap_lock);
+	if (!IS_ERR(devmap) && strlen(devmap->uid.vendor) > 0)
+		snprintf(uid, sizeof(uid), "%s.%s.%04x.%02x",
+			 devmap->uid.vendor, devmap->uid.serial,
+			 devmap->uid.ssid, devmap->uid.unit_addr);
+	else
+		uid[0] = 0;
+	spin_unlock(&dasd_devmap_lock);
+
+	return snprintf(buf, PAGE_SIZE, "%s\n", uid);
+}
+
+static DEVICE_ATTR(uid, 0444, dasd_uid_show, NULL);
+
 /*
  * extended error-reporting
  */
@@ -759,6 +822,9 @@ static DEVICE_ATTR(eer_enabled, 0644, dasd_eer_show, dasd_eer_store);
 static struct attribute * dasd_attrs[] = {
 	&dev_attr_readonly.attr,
 	&dev_attr_discipline.attr,
+	&dev_attr_alias.attr,
+	&dev_attr_vendor.attr,
+	&dev_attr_uid.attr,
 	&dev_attr_use_diag.attr,
 	&dev_attr_eer_enabled.attr,
 	NULL,
@@ -768,6 +834,42 @@ static struct attribute_group dasd_attr_group = {
 	.attrs = dasd_attrs,
 };
 
+
+/*
+ * Return copy of the device unique identifier.
+ */
+int
+dasd_get_uid(struct ccw_device *cdev, struct dasd_uid *uid)
+{
+	struct dasd_devmap *devmap;
+
+	devmap = dasd_find_busid(cdev->dev.bus_id);
+	if (IS_ERR(devmap))
+		return PTR_ERR(devmap);
+	spin_lock(&dasd_devmap_lock);
+	*uid = devmap->uid;
+	spin_unlock(&dasd_devmap_lock);
+	return 0;
+}
+
+/*
+ * Register the given device unique identifier into devmap struct.
+ */
+int
+dasd_set_uid(struct ccw_device *cdev, struct dasd_uid *uid)
+{
+	struct dasd_devmap *devmap;
+
+	devmap = dasd_find_busid(cdev->dev.bus_id);
+	if (IS_ERR(devmap))
+		return PTR_ERR(devmap);
+	spin_lock(&dasd_devmap_lock);
+	devmap->uid = *uid;
+	spin_unlock(&dasd_devmap_lock);
+	return 0;
+}
+EXPORT_SYMBOL(dasd_set_uid);
+
 /*
  * Return value of the specified feature.
  */