3 files changed, 25 insertions, 64 deletions

diff --git a/arch/ppc/8xx_io/cs4218_tdm.c b/arch/ppc/8xx_io/cs4218_tdm.c
index 959d31c26cbb..c71ef3c2e7bf 100644
--- a/arch/ppc/8xx_io/cs4218_tdm.c
+++ b/arch/ppc/8xx_io/cs4218_tdm.c
@@ -2165,7 +2165,7 @@ static int sq_release(struct inode *inode, struct file *file)
         int rc = 0;
 
         if (sq.busy)
-                rc = sq_fsync(file, file->f_dentry);
+                rc = sq_fsync(file, file->f_path.dentry);
         sound.soft = sound.dsp;
         sound.hard = sound.dsp;
         sound_silence();
@@ -2218,25 +2218,25 @@ static int sq_ioctl(struct inode *inode, struct file *file, u_int cmd,
                 return 0;
         case SNDCTL_DSP_POST:
         case SNDCTL_DSP_SYNC:
-                return sq_fsync(file, file->f_dentry);
+                return sq_fsync(file, file->f_path.dentry);
 
                 /* ++TeSche: before changing any of these it's
                  * probably wise to wait until sound playing has
                  * settled down. */
         case SNDCTL_DSP_SPEED:
-                sq_fsync(file, file->f_dentry);
+                sq_fsync(file, file->f_path.dentry);
                 IOCTL_IN(arg, data);
                 return IOCTL_OUT(arg, sound_set_speed(data));
         case SNDCTL_DSP_STEREO:
-                sq_fsync(file, file->f_dentry);
+                sq_fsync(file, file->f_path.dentry);
                 IOCTL_IN(arg, data);
                 return IOCTL_OUT(arg, sound_set_stereo(data));
         case SOUND_PCM_WRITE_CHANNELS:
-                sq_fsync(file, file->f_dentry);
+                sq_fsync(file, file->f_path.dentry);
                 IOCTL_IN(arg, data);
                 return IOCTL_OUT(arg, sound_set_stereo(data-1)+1);
         case SNDCTL_DSP_SETFMT:
-                sq_fsync(file, file->f_dentry);
+                sq_fsync(file, file->f_path.dentry);
                 IOCTL_IN(arg, data);
                 return IOCTL_OUT(arg, sound_set_format(data));
         case SNDCTL_DSP_GETFMTS:
diff --git a/arch/ppc/Kconfig b/arch/ppc/Kconfig
index edf71a4ecc95..692b5ba53209 100644
--- a/arch/ppc/Kconfig
+++ b/arch/ppc/Kconfig
@@ -19,6 +19,14 @@ config RWSEM_XCHGADD_ALGORITHM
         bool
         default y
 
+config ARCH_HAS_ILOG2_U32
+        bool
+        default y
+
+config ARCH_HAS_ILOG2_U64
+        bool
+        default n
+
 config GENERIC_HWEIGHT
         bool
         default y
@@ -52,6 +60,11 @@ config ARCH_MAY_HAVE_PC_FDC
         bool
         default y
 
+config GENERIC_BUG
+        bool
+        default y
+        depends on BUG
+
 source "init/Kconfig"
 
 menu "Processor"
diff --git a/arch/ppc/kernel/traps.c b/arch/ppc/kernel/traps.c
index 2f835b9e95e4..810f7aa72e92 100644
--- a/arch/ppc/kernel/traps.c
+++ b/arch/ppc/kernel/traps.c
@@ -28,6 +28,7 @@
 #include <linux/init.h>
 #include <linux/module.h>
 #include <linux/prctl.h>
+#include <linux/bug.h>
 
 #include <asm/pgtable.h>
 #include <asm/uaccess.h>
@@ -559,64 +560,9 @@ static void emulate_single_step(struct pt_regs *regs)
         }
 }
 
-/*
- * Look through the list of trap instructions that are used for BUG(),
- * BUG_ON() and WARN_ON() and see if we hit one.  At this point we know
- * that the exception was caused by a trap instruction of some kind.
- * Returns 1 if we should continue (i.e. it was a WARN_ON) or 0
- * otherwise.
- */
-extern struct bug_entry __start___bug_table[], __stop___bug_table[];
-
-#ifndef CONFIG_MODULES
-#define module_find_bug(x)      NULL
-#endif
-
-struct bug_entry *find_bug(unsigned long bugaddr)
-{
-        struct bug_entry *bug;
-
-        for (bug = __start___bug_table; bug < __stop___bug_table; ++bug)
-                if (bugaddr == bug->bug_addr)
-                        return bug;
-        return module_find_bug(bugaddr);
-}
-
-int check_bug_trap(struct pt_regs *regs)
+int is_valid_bugaddr(unsigned long addr)
 {
-        struct bug_entry *bug;
-        unsigned long addr;
-
-        if (regs->msr & MSR_PR)
-                return 0;       /* not in kernel */
-        addr = regs->nip;       /* address of trap instruction */
-        if (addr < PAGE_OFFSET)
-                return 0;
-        bug = find_bug(regs->nip);
-        if (bug == NULL)
-                return 0;
-        if (bug->line & BUG_WARNING_TRAP) {
-                /* this is a WARN_ON rather than BUG/BUG_ON */
-#ifdef CONFIG_XMON
-                xmon_printf(KERN_ERR "Badness in %s at %s:%ld\n",
-                       bug->function, bug->file,
-                       bug->line & ~BUG_WARNING_TRAP);
-#endif /* CONFIG_XMON */                
-                printk(KERN_ERR "Badness in %s at %s:%ld\n",
-                       bug->function, bug->file,
-                       bug->line & ~BUG_WARNING_TRAP);
-                dump_stack();
-                return 1;
-        }
-#ifdef CONFIG_XMON
-        xmon_printf(KERN_CRIT "kernel BUG in %s at %s:%ld!\n",
-               bug->function, bug->file, bug->line);
-        xmon(regs);
-#endif /* CONFIG_XMON */
-        printk(KERN_CRIT "kernel BUG in %s at %s:%ld!\n",
-               bug->function, bug->file, bug->line);
-
-        return 0;
+        return addr >= PAGE_OFFSET;
 }
 
 void program_check_exception(struct pt_regs *regs)
@@ -671,7 +617,9 @@ void program_check_exception(struct pt_regs *regs)
                 /* trap exception */
                 if (debugger_bpt(regs))
                         return;
-                if (check_bug_trap(regs)) {
+
+                if (!(regs->msr & MSR_PR) &&  /* not user-mode */
+                    report_bug(regs->nip) == BUG_TRAP_TYPE_WARN) {
                         regs->nip += 4;
                         return;
                 }