8 files changed, 78 insertions, 32 deletions

diff --git a/arch/parisc/Makefile b/arch/parisc/Makefile
index e574de4efb36..5ddad7bd60ac 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 448a757b06c6..448a757b06c6 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 4ab83d56974d..7177a6cd1b7f 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 84b9611a9228..f48a640b55fb 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 a7b8859488bb..ec2482dc1beb 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 33b1f84441b1..ccb68090781e 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 117438e9eb2a..6b5ac38f5a99 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 99fd56939afa..9dc6dc42f9cf 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;