Merge git://git.kernel.org/pub/scm/linux/kernel/git/mason/btrfs-unstable

[pandora-kernel.git] / arch / parisc / kernel / traps.c

diff --git a/arch/parisc/kernel/traps.c b/arch/parisc/kernel/traps.c
index 675f1d0..c32f5d6 100644 (file)
--- a/arch/parisc/kernel/traps.c
+++ b/arch/parisc/kernel/traps.c
@@ -24,7 +24,6 @@
 #include <linux/init.h>
 #include <linux/interrupt.h>
 #include <linux/console.h>
-#include <linux/kallsyms.h>
 #include <linux/bug.h>
 
 #include <asm/assembly.h>
@@ -51,7 +50,7 @@
 DEFINE_SPINLOCK(pa_dbit_lock);
 #endif
 
-void parisc_show_stack(struct task_struct *t, unsigned long *sp,
+static void parisc_show_stack(struct task_struct *task, unsigned long *sp,
        struct pt_regs *regs);
 
 static int printbinary(char *buf, unsigned long x, int nbits)
@@ -121,18 +120,19 @@ static void print_fr(char *level, struct pt_regs *regs)
 
 void show_regs(struct pt_regs *regs)
 {
-       int i;
+       int i, user;
        char *level;
        unsigned long cr30, cr31;
 
-       level = user_mode(regs) ? KERN_DEBUG : KERN_CRIT;
+       user = user_mode(regs);
+       level = user ? KERN_DEBUG : KERN_CRIT;
 
        print_gr(level, regs);
 
        for (i = 0; i < 8; i += 4)
                PRINTREGS(level, regs->sr, "sr", RFMT, i);
 
-       if (user_mode(regs))
+       if (user)
                print_fr(level, regs);
 
        cr30 = mfctl(30);
@@ -145,14 +145,18 @@ void show_regs(struct pt_regs *regs)
        printk("%s CPU: %8d   CR30: " RFMT " CR31: " RFMT "\n",
               level, current_thread_info()->cpu, cr30, cr31);
        printk("%s ORIG_R28: " RFMT "\n", level, regs->orig_r28);
-       printk(level);
-       print_symbol(" IAOQ[0]: %s\n", regs->iaoq[0]);
-       printk(level);
-       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);
+
+       if (user) {
+               printk("%s IAOQ[0]: " RFMT "\n", level, regs->iaoq[0]);
+               printk("%s IAOQ[1]: " RFMT "\n", level, regs->iaoq[1]);
+               printk("%s RP(r2): " RFMT "\n", level, regs->gr[2]);
+       } else {
+               printk("%s IAOQ[0]: %pS\n", level, (void *) regs->iaoq[0]);
+               printk("%s IAOQ[1]: %pS\n", level, (void *) regs->iaoq[1]);
+               printk("%s RP(r2): %pS\n", level, (void *) regs->gr[2]);
+
+               parisc_show_stack(current, NULL, regs);
+       }
 }
 
 
@@ -173,20 +177,15 @@ static void do_show_stack(struct unwind_frame_info *info)
                        break;
 
                if (__kernel_text_address(info->ip)) {
-                       printk("%s [<" RFMT ">] ", (i&0x3)==1 ? KERN_CRIT : "", info->ip);
-#ifdef CONFIG_KALLSYMS
-                       print_symbol("%s\n", info->ip);
-#else
-                       if ((i & 0x03) == 0)
-                               printk("\n");
-#endif
+                       printk(KERN_CRIT " [<" RFMT ">] %pS\n",
+                               info->ip, (void *) info->ip);
                        i++;
                }
        }
-       printk("\n");
+       printk(KERN_CRIT "\n");
 }
 
-void parisc_show_stack(struct task_struct *task, unsigned long *sp,
+static void parisc_show_stack(struct task_struct *task, unsigned long *sp,
        struct pt_regs *regs)
 {
        struct unwind_frame_info info;
@@ -248,6 +247,8 @@ void die_if_kernel(char *str, struct pt_regs *regs, long err)
 
        oops_in_progress = 1;
 
+       oops_enter();
+
        /* Amuse the user in a SPARC fashion */
        if (err) printk(
 KERN_CRIT "      _______________________________ \n"
@@ -294,6 +295,7 @@ KERN_CRIT "                     ||     ||\n");
                panic("Fatal exception");
        }
 
+       oops_exit();
        do_exit(SIGSEGV);
 }
 
@@ -495,7 +497,7 @@ void parisc_terminate(char *msg, struct pt_regs *regs, int code, unsigned long o
        panic(msg);
 }
 
-void handle_interruption(int code, struct pt_regs *regs)
+void notrace handle_interruption(int code, struct pt_regs *regs)
 {
        unsigned long fault_address = 0;
        unsigned long fault_space = 0;
@@ -746,6 +748,10 @@ void handle_interruption(int code, struct pt_regs *regs)
                /* Fall Through */
        case 27: 
                /* Data memory protection ID trap */
+               if (code == 27 && !user_mode(regs) &&
+                       fixup_exception(regs))
+                       return;
+
                die_if_kernel("Protection id trap", regs, code);
                si.si_code = SEGV_MAPERR;
                si.si_signo = SIGSEGV;
@@ -822,8 +828,8 @@ void handle_interruption(int code, struct pt_regs *regs)
 
 int __init check_ivt(void *iva)
 {
+       extern u32 os_hpmc_size;
        extern const u32 os_hpmc[];
-       extern const u32 os_hpmc_end[];
 
        int i;
        u32 check = 0;
@@ -840,8 +846,7 @@ int __init check_ivt(void *iva)
            *ivap++ = 0;
 
        /* Compute Checksum for HPMC handler */
-
-       length = os_hpmc_end - os_hpmc;
+       length = os_hpmc_size;
        ivap[7] = length;
 
        hpmcp = (u32 *)os_hpmc;