Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/kyle/parisc-2.6

* 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/kyle/parisc-2.6:
  [PARISC] make ptr_to_pide() static
  [PARISC] head.S: section mismatch fixes
  [PARISC] add back Crestone Peak cpu
  [PARISC] futex: special case cmpxchg NULL in kernel space
  [PARISC] clean up show_stack
  [PARISC] add pa8900 CPUs to hardware inventory
  [PARISC] clean up include/asm-parisc/elf.h
  [PARISC] move defconfig to arch/parisc/configs/
  [PARISC] add back AD1889 MAINTAINERS entry
  [PARISC] pdc_console: fix bizarre panic on boot
  [PARISC] dump_stack in show_regs
  [PARISC] pdc_stable: fix compile errors
  [PARISC] remove unused pdc_iodc_printf function
  [PARISC] bump __NR_syscalls
  [PARISC] unbreak pgalloc.h
  [PARISC] move VMALLOC_* definitions to fixmap.h
  [PARISC] wire up timerfd syscalls
  [PARISC] remove old timerfd syscall

8 files changed, 78 insertions, 32 deletions

diff --git a/arch/parisc/Makefile b/arch/parisc/Makefile
index e574de4efb3..5ddad7bd60a 100644
--- a/arch/parisc/Makefile
+++ b/arch/parisc/Makefile
@@ -16,6 +16,9 @@
 # Modified for PA-RISC Linux by Paul Lahaie, Alex deVries, 
 # Mike Shaver, Helge Deller and Martin K. Petersen
 #
+
+KBUILD_DEFCONFIG := default_defconfig
+
 NM		= sh $(srctree)/arch/parisc/nm
 CHECKFLAGS	+= -D__hppa__=1
 
diff --git a/arch/parisc/defconfig b/arch/parisc/configs/default_defconfig
index 448a757b06c..448a757b06c 100644
--- a/arch/parisc/defconfig
+++ b/arch/parisc/configs/default_defconfig
diff --git a/arch/parisc/kernel/firmware.c b/arch/parisc/kernel/firmware.c
index 4ab83d56974..7177a6cd1b7 100644
--- a/arch/parisc/kernel/firmware.c
+++ b/arch/parisc/kernel/firmware.c
@@ -1080,6 +1080,9 @@ void pdc_io_reset_devices(void)
 	spin_unlock_irqrestore(&pdc_lock, flags);
 }
 
+/* locked by pdc_console_lock */
+static int __attribute__((aligned(8)))   iodc_retbuf[32];
+static char __attribute__((aligned(64))) iodc_dbuf[4096];
 
 /**
  * pdc_iodc_print - Console print using IODC.
@@ -1091,24 +1094,20 @@ void pdc_io_reset_devices(void)
  * Since the HP console requires CR+LF to perform a 'newline', we translate
  * "\n" to "\r\n".
  */
-int pdc_iodc_print(unsigned char *str, unsigned count)
+int pdc_iodc_print(const unsigned char *str, unsigned count)
 {
-	/* XXX Should we spinlock posx usage */
 	static int posx;        /* for simple TAB-Simulation... */
-	int __attribute__((aligned(8)))   iodc_retbuf[32];
-	char __attribute__((aligned(64))) iodc_dbuf[4096];
 	unsigned int i;
 	unsigned long flags;
 
-	memset(iodc_dbuf, 0, 4096);
-	for (i = 0; i < count && i < 2048;) {
+	for (i = 0; i < count && i < 79;) {
 		switch(str[i]) {
 		case '\n':
 			iodc_dbuf[i+0] = '\r';
 			iodc_dbuf[i+1] = '\n';
 			i += 2;
 			posx = 0;
-			break;
+			goto print;
 		case '\t':
 			while (posx & 7) {
 				iodc_dbuf[i] = ' ';
@@ -1124,6 +1123,16 @@ int pdc_iodc_print(unsigned char *str, unsigned count)
 		}
 	}
 
+	/* if we're at the end of line, and not already inserting a newline,
+	 * insert one anyway. iodc console doesn't claim to support >79 char
+	 * lines. don't account for this in the return value.
+	 */
+	if (i == 79 && iodc_dbuf[i-1] != '\n') {
+		iodc_dbuf[i+0] = '\r';
+		iodc_dbuf[i+1] = '\n';
+	}
+
+print:
         spin_lock_irqsave(&pdc_lock, flags);
         real32_call(PAGE0->mem_cons.iodc_io,
                     (unsigned long)PAGE0->mem_cons.hpa, ENTRY_IO_COUT,
@@ -1142,11 +1151,9 @@ int pdc_iodc_print(unsigned char *str, unsigned count)
  */
 int pdc_iodc_getc(void)
 {
-	unsigned long flags;
-        static int __attribute__((aligned(8)))   iodc_retbuf[32];
-        static char __attribute__((aligned(64))) iodc_dbuf[4096];
 	int ch;
 	int status;
+	unsigned long flags;
 
 	/* Bail if no console input device. */
 	if (!PAGE0->mem_kbd.iodc_io)
diff --git a/arch/parisc/kernel/hardware.c b/arch/parisc/kernel/hardware.c
index 84b9611a922..f48a640b55f 100644
--- a/arch/parisc/kernel/hardware.c
+++ b/arch/parisc/kernel/hardware.c
@@ -274,7 +274,18 @@ static struct hp_hardware hp_hardware_list[] __devinitdata = {
 	{HPHW_NPROC,0x887,0x4,0x91,"Storm Peak Slow"},
 	{HPHW_NPROC,0x888,0x4,0x91,"Storm Peak Fast DC-"},
 	{HPHW_NPROC,0x889,0x4,0x91,"Storm Peak Fast"},
-	{HPHW_NPROC,0x88A,0x4,0x91,"Crestone Peak"},
+	{HPHW_NPROC,0x88A,0x4,0x91,"Crestone Peak Slow"},
+	{HPHW_NPROC,0x88C,0x4,0x91,"Orca Mako+"},
+	{HPHW_NPROC,0x88D,0x4,0x91,"Rainier/Medel Mako+ Slow"},
+	{HPHW_NPROC,0x88E,0x4,0x91,"Rainier/Medel Mako+ Fast"},
+	{HPHW_NPROC,0x894,0x4,0x91,"Mt. Hamilton Fast Mako+"},
+	{HPHW_NPROC,0x895,0x4,0x91,"Storm Peak Slow Mako+"},
+	{HPHW_NPROC,0x896,0x4,0x91,"Storm Peak Fast Mako+"},
+	{HPHW_NPROC,0x897,0x4,0x91,"Storm Peak DC- Slow Mako+"},
+	{HPHW_NPROC,0x898,0x4,0x91,"Storm Peak DC- Fast Mako+"},
+	{HPHW_NPROC,0x899,0x4,0x91,"Mt. Hamilton Slow Mako+"},
+	{HPHW_NPROC,0x89B,0x4,0x91,"Crestone Peak Mako+ Slow"},
+	{HPHW_NPROC,0x89C,0x4,0x91,"Crestone Peak Mako+ Fast"},
 	{HPHW_A_DIRECT, 0x004, 0x0000D, 0x00, "Arrakis MUX"}, 
 	{HPHW_A_DIRECT, 0x005, 0x0000D, 0x00, "Dyun Kiuh MUX"}, 
 	{HPHW_A_DIRECT, 0x006, 0x0000D, 0x00, "Baat Kiuh AP/MUX (40299B)"}, 
diff --git a/arch/parisc/kernel/head.S b/arch/parisc/kernel/head.S
index a7b8859488b..ec2482dc1be 100644
--- a/arch/parisc/kernel/head.S
+++ b/arch/parisc/kernel/head.S
@@ -20,10 +20,11 @@
 #include <asm/pgtable.h>
 
 #include <linux/linkage.h>
+#include <linux/init.h>
 
 	.level	LEVEL
 
-	.data
+	__INITDATA
 ENTRY(boot_args)
 	.word 0 /* arg0 */
 	.word 0 /* arg1 */
@@ -31,7 +32,7 @@ ENTRY(boot_args)
 	.word 0 /* arg3 */
 END(boot_args)
 
-	.text
+	.section .text.head
 	.align	4
 	.import init_thread_union,data
 	.import fault_vector_20,code    /* IVA parisc 2.0 32 bit */
@@ -343,7 +344,7 @@ smp_slave_stext:
 ENDPROC(stext)
 
 #ifndef CONFIG_64BIT
-	.data
+	.section .data.read_mostly
 
 	.align	4
 	.export	$global$,data
diff --git a/arch/parisc/kernel/pdc_cons.c b/arch/parisc/kernel/pdc_cons.c
index 33b1f84441b..ccb68090781 100644
--- a/arch/parisc/kernel/pdc_cons.c
+++ b/arch/parisc/kernel/pdc_cons.c
@@ -52,28 +52,30 @@
 #include <linux/tty.h>
 #include <asm/pdc.h>		/* for iodc_call() proto and friends */
 
+static spinlock_t pdc_console_lock = SPIN_LOCK_UNLOCKED;
 
 static void pdc_console_write(struct console *co, const char *s, unsigned count)
 {
-	pdc_iodc_print(s, count);
+	int i = 0;
+	unsigned long flags;
+
+	spin_lock_irqsave(&pdc_console_lock, flags);
+	do {
+		i += pdc_iodc_print(s + i, count - i);
+	} while (i < count);
+	spin_unlock_irqrestore(&pdc_console_lock, flags);
 }
 
-void pdc_printf(const char *fmt, ...)
+int pdc_console_poll_key(struct console *co)
 {
-	va_list args;
-	char buf[1024];
-	int i, len;
-
-	va_start(args, fmt);
-	len = vscnprintf(buf, sizeof(buf), fmt, args);
-	va_end(args);
+	int c;
+	unsigned long flags;
 
-	pdc_iodc_print(buf, len);
-}
+	spin_lock_irqsave(&pdc_console_lock, flags);
+	c = pdc_iodc_getc();
+	spin_unlock_irqrestore(&pdc_console_lock, flags);
 
-int pdc_console_poll_key(struct console *co)
-{
-	return pdc_iodc_getc();
+	return c;
 }
 
 static int pdc_console_setup(struct console *co, char *options)
diff --git a/arch/parisc/kernel/syscall_table.S b/arch/parisc/kernel/syscall_table.S
index 117438e9eb2..6b5ac38f5a9 100644
--- a/arch/parisc/kernel/syscall_table.S
+++ b/arch/parisc/kernel/syscall_table.S
@@ -401,9 +401,12 @@
 	ENTRY_COMP(kexec_load)		/* 300 */
 	ENTRY_COMP(utimensat)
 	ENTRY_COMP(signalfd)
-	ENTRY_COMP(timerfd)
+	ENTRY_SAME(ni_syscall)		/* was timerfd */
 	ENTRY_SAME(eventfd)
 	ENTRY_COMP(fallocate)		/* 305 */
+	ENTRY_SAME(timerfd_create)
+	ENTRY_COMP(timerfd_settime)
+	ENTRY_COMP(timerfd_gettime)
 
 	/* Nothing yet */
 
diff --git a/arch/parisc/kernel/traps.c b/arch/parisc/kernel/traps.c
index 99fd56939af..9dc6dc42f9c 100644
--- a/arch/parisc/kernel/traps.c
+++ b/arch/parisc/kernel/traps.c
@@ -51,6 +51,9 @@
 DEFINE_SPINLOCK(pa_dbit_lock);
 #endif
 
+void parisc_show_stack(struct task_struct *t, unsigned long *sp,
+	struct pt_regs *regs);
+
 static int printbinary(char *buf, unsigned long x, int nbits)
 {
 	unsigned long mask = 1UL << (nbits - 1);
@@ -148,6 +151,8 @@ void show_regs(struct pt_regs *regs)
 	print_symbol(" IAOQ[1]: %s\n", regs->iaoq[1]);
 	printk(level);
 	print_symbol(" RP(r2): %s\n", regs->gr[2]);
+
+	parisc_show_stack(current, NULL, regs);
 }
 
 
@@ -181,11 +186,19 @@ static void do_show_stack(struct unwind_frame_info *info)
 	printk("\n");
 }
 
-void show_stack(struct task_struct *task, unsigned long *s)
+void parisc_show_stack(struct task_struct *task, unsigned long *sp,
+	struct pt_regs *regs)
 {
 	struct unwind_frame_info info;
+	struct task_struct *t;
+
+	t = task ? task : current;
+	if (regs) {
+		unwind_frame_init(&info, t, regs);
+		goto show_stack;
+	}
 
-	if (!task) {
+	if (t == current) {
 		unsigned long sp;
 
 HERE:
@@ -201,12 +214,18 @@ HERE:
 			unwind_frame_init(&info, current, &r);
 		}
 	} else {
-		unwind_frame_init_from_blocked_task(&info, task);
+		unwind_frame_init_from_blocked_task(&info, t);
 	}
 
+show_stack:
 	do_show_stack(&info);
 }
 
+void show_stack(struct task_struct *t, unsigned long *sp)
+{
+	return parisc_show_stack(t, sp, NULL);
+}
+
 int is_valid_bugaddr(unsigned long iaoq)
 {
 	return 1;