Merge branch 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus

* 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus:
  [MIPS] Increase cp0 compare clockevent min_delta_ns from 0x30 to 0x300.
  [MIPS] Cache: Provide more information on cache policy on bootup.
  [MIPS] Fix aliasing bug in copy_user_highpage, take 2.
  [MIPS] VPE loader: convert from struct class_ device to struct device
  [MIPS] MIPSsim: Fix booting from NFS root
  [MIPS] Alchemy: Get rid of au1xxx_irq_map_t.
  [MIPS] Alchemy: Get rid of au_ffz().
  [MIPS] Alchemy: Get rid of au_ffs().
  [MIPS] Alchemy: cleanup interrupt code.
  [MIPS] Lasat: Fix build by conversion to irq_cpu.c.
  [MIPS] Lasat: Add #ifndef ... #endif include warpper to lasatint.h.
  [MIPS] IP22: Enable -Werror.
  [MIPS] IP22: Fix warning.
  [MIPS] IP22: Complain if requesting the front panel irq failed.
  [MIPS] vmlinux.lds.S: Handle KPROBES_TEXT.
  [MIPS] vmlinux.lds.S: Fix handling of .notes in final link.
  [MIPS] vmlinux.lds.S: Remove duplicate comment.
  [MIPS] MSP71XX: Add workarounds file.
  [MIPS] IP32: Fix build by conversion to irq_cpu.c.

arch/mips/kernel/time.c

@@ -421,7 +421,7 @@ void __cpuinit mips_clockevent_init(void)
 	cd->mult	= div_sc((unsigned long) mips_freq, NSEC_PER_SEC, 32);
 	cd->shift		= 32;
 	cd->max_delta_ns	= clockevent_delta2ns(0x7fffffff, cd);
-	cd->min_delta_ns	= clockevent_delta2ns(0x30, cd);
+	cd->min_delta_ns	= clockevent_delta2ns(0x300, cd);
 
 	cd->rating		= 300;
 	cd->irq			= irq;

arch/mips/kernel/traps.c

@@ -104,7 +104,7 @@ static int __init set_raw_show_trace(char *str)
 __setup("raw_show_trace", set_raw_show_trace);
 #endif
 
-static void show_backtrace(struct task_struct *task, struct pt_regs *regs)
+static void show_backtrace(struct task_struct *task, const struct pt_regs *regs)
 {
 	unsigned long sp = regs->regs[29];
 	unsigned long ra = regs->regs[31];
@@ -126,7 +126,8 @@ static void show_backtrace(struct task_struct *task, struct pt_regs *regs)
  * This routine abuses get_user()/put_user() to reference pointers
  * with at least a bit of error checking ...
  */
-static void show_stacktrace(struct task_struct *task, struct pt_regs *regs)
+static void show_stacktrace(struct task_struct *task,
+	const struct pt_regs *regs)
 {
 	const int field = 2 * sizeof(unsigned long);
 	long stackdata;
@@ -203,7 +204,7 @@ static void show_code(unsigned int __user *pc)
 	}
 }
 
-void show_regs(struct pt_regs *regs)
+static void __show_regs(const struct pt_regs *regs)
 {
 	const int field = 2 * sizeof(unsigned long);
 	unsigned int cause = regs->cp0_cause;
@@ -299,9 +300,17 @@ void show_regs(struct pt_regs *regs)
 	       cpu_name_string());
 }
 
-void show_registers(struct pt_regs *regs)
+/*
+ * FIXME: really the generic show_regs should take a const pointer argument.
+ */
+void show_regs(struct pt_regs *regs)
 {
-	show_regs(regs);
+	__show_regs((struct pt_regs *)regs);
+}
+
+void show_registers(const struct pt_regs *regs)
+{
+	__show_regs(regs);
 	print_modules();
 	printk("Process %s (pid: %d, threadinfo=%p, task=%p)\n",
 	        current->comm, current->pid, current_thread_info(), current);
@@ -312,7 +321,7 @@ void show_registers(struct pt_regs *regs)
 
 static DEFINE_SPINLOCK(die_lock);
 
-void __noreturn die(const char * str, struct pt_regs * regs)
+void __noreturn die(const char * str, const struct pt_regs * regs)
 {
 	static int die_counter;
 #ifdef CONFIG_MIPS_MT_SMTC

arch/mips/kernel/vmlinux.lds.S

@@ -5,6 +5,10 @@
 #define mips mips
 OUTPUT_ARCH(mips)
 ENTRY(kernel_entry)
+PHDRS {
+	text PT_LOAD FLAGS(7);	/* RWX */
+	note PT_NOTE FLAGS(4);	/* R__ */
+}
 jiffies = JIFFIES;
 
 SECTIONS
@@ -21,7 +25,6 @@ SECTIONS
 	 *   >= 0xa800 0000 0030 0000 otherwise
 	 */
 
-	/* . = 0xa800000000300000; */
 	/* . = 0xa800000000300000; */
 	. = 0xffffffff80300000;
 #endif
@@ -32,9 +35,10 @@ SECTIONS
 		TEXT_TEXT
 		SCHED_TEXT
 		LOCK_TEXT
+		KPROBES_TEXT
 		*(.fixup)
 		*(.gnu.warning)
-	} =0
+	} :text = 0
 	_etext = .;	/* End of text section */
 
 	/* Exception table */
@@ -51,6 +55,10 @@ SECTIONS
 		*(__dbe_table)
 		__stop___dbe_table = .;
 	}
+
+	NOTES :text :note
+	.dummy : { *(.dummy) } :text
+
 	RODATA
 
 	/* writeable */
@@ -201,7 +209,4 @@ SECTIONS
 		*(.gptab.bss)
 		*(.gptab.sbss)
 	}
-	.note : {
-		*(.note)
-	}
 }

arch/mips/kernel/vpe.c

@@ -1317,7 +1317,8 @@ static void kspd_sp_exit( int sp_id)
 }
 #endif
 
-static ssize_t store_kill(struct class_device *dev, const char *buf, size_t len)
+static ssize_t store_kill(struct device *dev, struct device_attribute *attr,
+			  const char *buf, size_t len)
 {
 	struct vpe *vpe = get_vpe(tclimit);
 	struct vpe_notifications *not;
@@ -1334,14 +1335,16 @@ static ssize_t store_kill(struct class_device *dev, const char *buf, size_t len)
 	return len;
 }
 
-static ssize_t show_ntcs(struct class_device *cd, char *buf)
+static ssize_t show_ntcs(struct device *cd, struct device_attribute *attr,
+			 char *buf)
 {
 	struct vpe *vpe = get_vpe(tclimit);
 
 	return sprintf(buf, "%d\n", vpe->ntcs);
 }
 
-static ssize_t store_ntcs(struct class_device *dev, const char *buf, size_t len)
+static ssize_t store_ntcs(struct device *dev, struct device_attribute *attr,
+			  const char *buf, size_t len)
 {
 	struct vpe *vpe = get_vpe(tclimit);
 	unsigned long new;
@@ -1362,13 +1365,13 @@ out_einval:
 	return -EINVAL;;
 }
 
-static struct class_device_attribute vpe_class_attributes[] = {
+static struct device_attribute vpe_class_attributes[] = {
 	__ATTR(kill, S_IWUSR, NULL, store_kill),
 	__ATTR(ntcs, S_IRUGO | S_IWUSR, show_ntcs, store_ntcs),
 	{}
 };
 
-static void vpe_class_device_release(struct class_device *cd)
+static void vpe_device_release(struct device *cd)
 {
 	kfree(cd);
 }
@@ -1376,11 +1379,11 @@ static void vpe_class_device_release(struct class_device *cd)
 struct class vpe_class = {
 	.name = "vpe",
 	.owner = THIS_MODULE,
-	.release = vpe_class_device_release,
-	.class_dev_attrs = vpe_class_attributes,
+	.dev_release = vpe_device_release,
+	.dev_attrs = vpe_class_attributes,
 };
 
-struct class_device vpe_device;
+struct device vpe_device;
 
 static int __init vpe_module_init(void)
 {
@@ -1423,12 +1426,12 @@ static int __init vpe_module_init(void)
 		goto out_chrdev;
 	}
 
-	class_device_initialize(&vpe_device);
+	device_initialize(&vpe_device);
 	vpe_device.class	= &vpe_class,
 	vpe_device.parent	= NULL,
-	strlcpy(vpe_device.class_id, "vpe1", BUS_ID_SIZE);
+	strlcpy(vpe_device.bus_id, "vpe1", BUS_ID_SIZE);
 	vpe_device.devt = MKDEV(major, minor);
-	err = class_device_add(&vpe_device);
+	err = device_add(&vpe_device);
 	if (err) {
 		printk(KERN_ERR "Adding vpe_device failed\n");
 		goto out_class;
@@ -1573,7 +1576,7 @@ static void __exit vpe_module_exit(void)
 		}
 	}
 
-	class_device_del(&vpe_device);
+	device_del(&vpe_device);
 	unregister_chrdev(major, module_name);
 }