Merge branch 'linux-2.6' into for-linus

6 files changed, 21 insertions, 97 deletions

diff --git a/arch/ppc/Kconfig b/arch/ppc/Kconfig
index 077711e63104..ef018e25fb07 100644
--- a/arch/ppc/Kconfig
+++ b/arch/ppc/Kconfig
@@ -724,7 +724,7 @@ config MPC834x_SYS
           Be aware that PCI buses can only function when SYS board is plugged
           into the PIB (Platform IO Board) board from Freescale which provide
           3 PCI slots.  The PIBs PCI initialization is the bootloader's
-          responsiblilty.
+          responsibility.
 
 config EV64360
         bool "Marvell-EV64360BP"
diff --git a/arch/ppc/boot/simple/relocate.S b/arch/ppc/boot/simple/relocate.S
index 0c021556d78e..1bbbcd2f2bcb 100644
--- a/arch/ppc/boot/simple/relocate.S
+++ b/arch/ppc/boot/simple/relocate.S
@@ -154,8 +154,8 @@ do_relocate_out:
 
 start_ldr:
 /* Clear all of BSS and set up stack for C calls */
-        lis     r3,edata@h
-        ori     r3,r3,edata@l
+        lis     r3,__bss_start@h
+        ori     r3,r3,__bss_start@l
         lis     r4,end@h
         ori     r4,r4,end@l
         subi    r3,r3,4
@@ -163,7 +163,7 @@ start_ldr:
         li      r0,0
 50:     stwu    r0,4(r3)
         cmpw    cr0,r3,r4
-        bne     50b
+        blt     50b
 90:     mr      r9,r1           /* Save old stack pointer (in case it matters) */
         lis     r1,.stack@h
         ori     r1,r1,.stack@l
diff --git a/arch/ppc/kernel/misc.S b/arch/ppc/kernel/misc.S
index 5f6684012ded..d319f9ba2379 100644
--- a/arch/ppc/kernel/misc.S
+++ b/arch/ppc/kernel/misc.S
@@ -110,80 +110,6 @@ _GLOBAL(reloc_got2)
         blr
 
 /*
- * identify_cpu,
- * called with r3 = data offset and r4 = CPU number
- * doesn't change r3
- */
-_GLOBAL(identify_cpu)
-        addis   r8,r3,cpu_specs@ha
-        addi    r8,r8,cpu_specs@l
-        mfpvr   r7
-1:
-        lwz     r5,CPU_SPEC_PVR_MASK(r8)
-        and     r5,r5,r7
-        lwz     r6,CPU_SPEC_PVR_VALUE(r8)
-        cmplw   0,r6,r5
-        beq     1f
-        addi    r8,r8,CPU_SPEC_ENTRY_SIZE
-        b       1b
-1:
-        addis   r6,r3,cur_cpu_spec@ha
-        addi    r6,r6,cur_cpu_spec@l
-        sub     r8,r8,r3
-        stw     r8,0(r6)
-        blr
-
-/*
- * do_cpu_ftr_fixups - goes through the list of CPU feature fixups
- * and writes nop's over sections of code that don't apply for this cpu.
- * r3 = data offset (not changed)
- */
-_GLOBAL(do_cpu_ftr_fixups)
-        /* Get CPU 0 features */
-        addis   r6,r3,cur_cpu_spec@ha
-        addi    r6,r6,cur_cpu_spec@l
-        lwz     r4,0(r6)
-        add     r4,r4,r3
-        lwz     r4,CPU_SPEC_FEATURES(r4)
-
-        /* Get the fixup table */
-        addis   r6,r3,__start___ftr_fixup@ha
-        addi    r6,r6,__start___ftr_fixup@l
-        addis   r7,r3,__stop___ftr_fixup@ha
-        addi    r7,r7,__stop___ftr_fixup@l
-
-        /* Do the fixup */
-1:      cmplw   0,r6,r7
-        bgelr
-        addi    r6,r6,16
-        lwz     r8,-16(r6)      /* mask */
-        and     r8,r8,r4
-        lwz     r9,-12(r6)      /* value */
-        cmplw   0,r8,r9
-        beq     1b
-        lwz     r8,-8(r6)       /* section begin */
-        lwz     r9,-4(r6)       /* section end */
-        subf.   r9,r8,r9
-        beq     1b
-        /* write nops over the section of code */
-        /* todo: if large section, add a branch at the start of it */
-        srwi    r9,r9,2
-        mtctr   r9
-        add     r8,r8,r3
-        lis     r0,0x60000000@h /* nop */
-3:      stw     r0,0(r8)
-        andi.   r10,r4,CPU_FTR_SPLIT_ID_CACHE@l
-        beq     2f
-        dcbst   0,r8            /* suboptimal, but simpler */
-        sync
-        icbi    0,r8
-2:      addi    r8,r8,4
-        bdnz    3b
-        sync                    /* additional sync needed on g4 */
-        isync
-        b       1b
-
-/*
  * call_setup_cpu - call the setup_cpu function for this cpu
  * r3 = data offset, r24 = cpu number
  *
diff --git a/arch/ppc/kernel/setup.c b/arch/ppc/kernel/setup.c
index 75fe13815be2..27faeca2c7a2 100644
--- a/arch/ppc/kernel/setup.c
+++ b/arch/ppc/kernel/setup.c
@@ -38,6 +38,7 @@
 #include <asm/nvram.h>
 #include <asm/xmon.h>
 #include <asm/ocp.h>
+#include <asm/prom.h>
 
 #define USES_PPC_SYS (defined(CONFIG_85xx) || defined(CONFIG_83xx) || \
                       defined(CONFIG_MPC10X_BRIDGE) || defined(CONFIG_8260) || \
@@ -53,8 +54,6 @@
 
 extern void platform_init(unsigned long r3, unsigned long r4,
                 unsigned long r5, unsigned long r6, unsigned long r7);
-extern void identify_cpu(unsigned long offset, unsigned long cpu);
-extern void do_cpu_ftr_fixups(unsigned long offset);
 extern void reloc_got2(unsigned long offset);
 
 extern void ppc6xx_idle(void);
@@ -301,6 +300,7 @@ early_init(int r3, int r4, int r5)
 {
         unsigned long phys;
         unsigned long offset = reloc_offset();
+        struct cpu_spec *spec;
 
         /* Default */
         phys = offset + KERNELBASE;
@@ -313,8 +313,10 @@ early_init(int r3, int r4, int r5)
          * Identify the CPU type and fix up code sections
          * that depend on which cpu we have.
          */
-        identify_cpu(offset, 0);
-        do_cpu_ftr_fixups(offset);
+        spec = identify_cpu(offset);
+        do_feature_fixups(spec->cpu_features,
+                          PTRRELOC(&__start___ftr_fixup),
+                          PTRRELOC(&__stop___ftr_fixup));
 
         return phys;
 }
diff --git a/arch/ppc/kernel/traps.c b/arch/ppc/kernel/traps.c
index aafc8e8893d1..9661a91183b3 100644
--- a/arch/ppc/kernel/traps.c
+++ b/arch/ppc/kernel/traps.c
@@ -708,7 +708,7 @@ void single_step_exception(struct pt_regs *regs)
 
 void alignment_exception(struct pt_regs *regs)
 {
-        int fixed;
+        int sig, code, fixed = 0;
 
         fixed = fix_alignment(regs);
         if (fixed == 1) {
@@ -717,14 +717,16 @@ void alignment_exception(struct pt_regs *regs)
                 return;
         }
         if (fixed == -EFAULT) {
-                /* fixed == -EFAULT means the operand address was bad */
-                if (user_mode(regs))
-                        _exception(SIGSEGV, regs, SEGV_ACCERR, regs->dar);
-                else
-                        bad_page_fault(regs, regs->dar, SIGSEGV);
-                return;
+                sig = SIGSEGV;
+                code = SEGV_ACCERR;
+        } else {
+                sig = SIGBUS;
+                code = BUS_ADRALN;
         }
-        _exception(SIGBUS, regs, BUS_ADRALN, regs->dar);
+        if (user_mode(regs))
+                _exception(sig, regs, code, regs->dar);
+        else
+                bad_page_fault(regs, regs->dar, sig);
 }
 
 void StackOverflow(struct pt_regs *regs)
diff --git a/arch/ppc/kernel/vmlinux.lds.S b/arch/ppc/kernel/vmlinux.lds.S
index 095fd3323323..16e8661e1fec 100644
--- a/arch/ppc/kernel/vmlinux.lds.S
+++ b/arch/ppc/kernel/vmlinux.lds.S
@@ -115,13 +115,7 @@ SECTIONS
   __setup_end = .;
   __initcall_start = .;
   .initcall.init : {
-        *(.initcall1.init)
-        *(.initcall2.init)
-        *(.initcall3.init)
-        *(.initcall4.init)
-        *(.initcall5.init)
-        *(.initcall6.init)
-        *(.initcall7.init)
+        INITCALLS
   }
   __initcall_end = .;