30 files changed, 236 insertions, 324 deletions

diff --git a/arch/arm/kernel/Makefile b/arch/arm/kernel/Makefile
index 1d296fc8494e..4305345987d3 100644
--- a/arch/arm/kernel/Makefile
+++ b/arch/arm/kernel/Makefile
@@ -10,7 +10,7 @@ endif
 
 # Object file lists.
 
-obj-y           := compat.o entry-armv.o entry-common.o irq.o \
+obj-y           := compat.o elf.o entry-armv.o entry-common.o irq.o \
                    process.o ptrace.o setup.o signal.o \
                    sys_arm.o stacktrace.o time.o traps.o
 
diff --git a/arch/arm/kernel/armksyms.c b/arch/arm/kernel/armksyms.c
index cc7b246e9652..2357b1cf1cf9 100644
--- a/arch/arm/kernel/armksyms.c
+++ b/arch/arm/kernel/armksyms.c
@@ -13,11 +13,11 @@
 #include <linux/delay.h>
 #include <linux/in6.h>
 #include <linux/syscalls.h>
+#include <linux/uaccess.h>
+#include <linux/io.h>
 
 #include <asm/checksum.h>
-#include <asm/io.h>
 #include <asm/system.h>
-#include <asm/uaccess.h>
 #include <asm/ftrace.h>
 
 /*
diff --git a/arch/arm/kernel/bios32.c b/arch/arm/kernel/bios32.c
index e5747547b44c..17a59b6e521f 100644
--- a/arch/arm/kernel/bios32.c
+++ b/arch/arm/kernel/bios32.c
@@ -10,8 +10,8 @@
 #include <linux/pci.h>
 #include <linux/slab.h>
 #include <linux/init.h>
+#include <linux/io.h>
 
-#include <asm/io.h>
 #include <asm/mach-types.h>
 #include <asm/mach/pci.h>
 
diff --git a/arch/arm/kernel/crunch.c b/arch/arm/kernel/crunch.c
index 3b6a1c293ee4..99995c2b2312 100644
--- a/arch/arm/kernel/crunch.c
+++ b/arch/arm/kernel/crunch.c
@@ -15,9 +15,9 @@
 #include <linux/signal.h>
 #include <linux/sched.h>
 #include <linux/init.h>
+#include <linux/io.h>
 #include <mach/ep93xx-regs.h>
 #include <asm/thread_notify.h>
-#include <asm/io.h>
 
 struct crunch_state *crunch_owner;
 
diff --git a/arch/arm/kernel/debug.S b/arch/arm/kernel/debug.S
index 9550ff0ddde4..f53c58290543 100644
--- a/arch/arm/kernel/debug.S
+++ b/arch/arm/kernel/debug.S
@@ -89,10 +89,12 @@
 ENTRY(printhex8)
                 mov     r1, #8
                 b       printhex
+ENDPROC(printhex8)
 
 ENTRY(printhex4)
                 mov     r1, #4
                 b       printhex
+ENDPROC(printhex4)
 
 ENTRY(printhex2)
                 mov     r1, #2
@@ -110,6 +112,7 @@ printhex:	adr	r2, hexbuf
                 bne     1b
                 mov     r0, r2
                 b       printascii
+ENDPROC(printhex2)
 
                 .ltorg
 
@@ -127,11 +130,13 @@ ENTRY(printascii)
                 teqne   r1, #0
                 bne     1b
                 mov     pc, lr
+ENDPROC(printascii)
 
 ENTRY(printch)
                 addruart r3
                 mov     r1, r0
                 mov     r0, #0
                 b       1b
+ENDPROC(printch)
 
 hexbuf:         .space 16
diff --git a/arch/arm/kernel/dma-isa.c b/arch/arm/kernel/dma-isa.c
index 2f080a35a2d9..4a3a50495c60 100644
--- a/arch/arm/kernel/dma-isa.c
+++ b/arch/arm/kernel/dma-isa.c
@@ -19,10 +19,9 @@
 #include <linux/ioport.h>
 #include <linux/init.h>
 #include <linux/dma-mapping.h>
+#include <linux/io.h>
 
 #include <asm/dma.h>
-#include <asm/io.h>
-
 #include <asm/mach/dma.h>
 
 #define ISA_DMA_MODE_READ       0x44
diff --git a/arch/arm/kernel/ecard.c b/arch/arm/kernel/ecard.c
index 7a50575a8d4d..60c079d85355 100644
--- a/arch/arm/kernel/ecard.c
+++ b/arch/arm/kernel/ecard.c
@@ -587,8 +587,7 @@ ecard_irq_handler(unsigned int irq, struct irq_desc *desc)
                         pending = ecard_default_ops.irqpending(ec);
 
                 if (pending) {
-                        struct irq_desc *d = irq_desc + ec->irq;
-                        desc_handle_irq(ec->irq, d);
+                        generic_handle_irq(ec->irq);
                         called ++;
                 }
         }
@@ -622,7 +621,6 @@ ecard_irqexp_handler(unsigned int irq, struct irq_desc *desc)
                 ecard_t *ec = slot_to_ecard(slot);
 
                 if (ec->claimed) {
-                        struct irq_desc *d = irq_desc + ec->irq;
                         /*
                          * this ugly code is so that we can operate a
                          * prioritorising system:
@@ -635,7 +633,7 @@ ecard_irqexp_handler(unsigned int irq, struct irq_desc *desc)
                          * Serial cards should go in 0/1, ethernet/scsi in 2/3
                          * otherwise you will lose serial data at high speeds!
                          */
-                        desc_handle_irq(ec->irq, d);
+                        generic_handle_irq(ec->irq);
                 } else {
                         printk(KERN_WARNING "card%d: interrupt from unclaimed "
                                "card???\n", slot);
diff --git a/arch/arm/kernel/elf.c b/arch/arm/kernel/elf.c
new file mode 100644
index 000000000000..513f332f040d
--- /dev/null
+++ b/arch/arm/kernel/elf.c
@@ -0,0 +1,79 @@
+#include <linux/module.h>
+#include <linux/sched.h>
+#include <linux/personality.h>
+#include <linux/binfmts.h>
+#include <linux/elf.h>
+
+int elf_check_arch(const struct elf32_hdr *x)
+{
+        unsigned int eflags;
+
+        /* Make sure it's an ARM executable */
+        if (x->e_machine != EM_ARM)
+                return 0;
+
+        /* Make sure the entry address is reasonable */
+        if (x->e_entry & 1) {
+                if (!(elf_hwcap & HWCAP_THUMB))
+                        return 0;
+        } else if (x->e_entry & 3)
+                return 0;
+
+        eflags = x->e_flags;
+        if ((eflags & EF_ARM_EABI_MASK) == EF_ARM_EABI_UNKNOWN) {
+                /* APCS26 is only allowed if the CPU supports it */
+                if ((eflags & EF_ARM_APCS_26) && !(elf_hwcap & HWCAP_26BIT))
+                        return 0;
+
+                /* VFP requires the supporting code */
+                if ((eflags & EF_ARM_VFP_FLOAT) && !(elf_hwcap & HWCAP_VFP))
+                        return 0;
+        }
+        return 1;
+}
+EXPORT_SYMBOL(elf_check_arch);
+
+void elf_set_personality(const struct elf32_hdr *x)
+{
+        unsigned int eflags = x->e_flags;
+        unsigned int personality = PER_LINUX_32BIT;
+
+        /*
+         * APCS-26 is only valid for OABI executables
+         */
+        if ((eflags & EF_ARM_EABI_MASK) == EF_ARM_EABI_UNKNOWN) {
+                if (eflags & EF_ARM_APCS_26)
+                        personality = PER_LINUX;
+        }
+
+        set_personality(personality);
+
+        /*
+         * Since the FPA coprocessor uses CP1 and CP2, and iWMMXt uses CP0
+         * and CP1, we only enable access to the iWMMXt coprocessor if the
+         * binary is EABI or softfloat (and thus, guaranteed not to use
+         * FPA instructions.)
+         */
+        if (elf_hwcap & HWCAP_IWMMXT &&
+            eflags & (EF_ARM_EABI_MASK | EF_ARM_SOFT_FLOAT)) {
+                set_thread_flag(TIF_USING_IWMMXT);
+        } else {
+                clear_thread_flag(TIF_USING_IWMMXT);
+        }
+}
+EXPORT_SYMBOL(elf_set_personality);
+
+/*
+ * Set READ_IMPLIES_EXEC if:
+ *  - the binary requires an executable stack
+ *  - we're running on a CPU which doesn't support NX.
+ */
+int arm_elf_read_implies_exec(const struct elf32_hdr *x, int executable_stack)
+{
+        if (executable_stack != EXSTACK_ENABLE_X)
+                return 1;
+        if (cpu_architecture() <= CPU_ARCH_ARMv6)
+                return 1;
+        return 0;
+}
+EXPORT_SYMBOL(arm_elf_read_implies_exec);
diff --git a/arch/arm/kernel/entry-armv.S b/arch/arm/kernel/entry-armv.S
index 617e509d60df..77b047475539 100644
--- a/arch/arm/kernel/entry-armv.S
+++ b/arch/arm/kernel/entry-armv.S
@@ -76,14 +76,17 @@
 __pabt_invalid:
         inv_entry BAD_PREFETCH
         b       common_invalid
+ENDPROC(__pabt_invalid)
 
 __dabt_invalid:
         inv_entry BAD_DATA
         b       common_invalid
+ENDPROC(__dabt_invalid)
 
 __irq_invalid:
         inv_entry BAD_IRQ
         b       common_invalid
+ENDPROC(__irq_invalid)
 
 __und_invalid:
         inv_entry BAD_UNDEFINSTR
@@ -107,6 +110,7 @@ common_invalid:
 
         mov     r0, sp
         b       bad_mode
+ENDPROC(__und_invalid)
 
 /*
  * SVC mode handlers
@@ -192,6 +196,7 @@ __dabt_svc:
         ldr     r0, [sp, #S_PSR]
         msr     spsr_cxsf, r0
         ldmia   sp, {r0 - pc}^                  @ load r0 - pc, cpsr
+ENDPROC(__dabt_svc)
 
         .align  5
 __irq_svc:
@@ -223,6 +228,7 @@ __irq_svc:
         bleq    trace_hardirqs_on
 #endif
         ldmia   sp, {r0 - pc}^                  @ load r0 - pc, cpsr
+ENDPROC(__irq_svc)
 
         .ltorg
 
@@ -272,6 +278,7 @@ __und_svc:
         ldr     lr, [sp, #S_PSR]                @ Get SVC cpsr
         msr     spsr_cxsf, lr
         ldmia   sp, {r0 - pc}^                  @ Restore SVC registers
+ENDPROC(__und_svc)
 
         .align  5
 __pabt_svc:
@@ -313,6 +320,7 @@ __pabt_svc:
         ldr     r0, [sp, #S_PSR]
         msr     spsr_cxsf, r0
         ldmia   sp, {r0 - pc}^                  @ load r0 - pc, cpsr
+ENDPROC(__pabt_svc)
 
         .align  5
 .LCcralign:
@@ -412,6 +420,7 @@ __dabt_usr:
         mov     r2, sp
         adr     lr, ret_from_exception
         b       do_DataAbort
+ENDPROC(__dabt_usr)
 
         .align  5
 __irq_usr:
@@ -441,6 +450,7 @@ __irq_usr:
 
         mov     why, #0
         b       ret_to_user
+ENDPROC(__irq_usr)
 
         .ltorg
 
@@ -474,6 +484,7 @@ __und_usr:
 #else
         b       __und_usr_unknown
 #endif
+ENDPROC(__und_usr)
 
         @
         @ fallthrough to call_fpe
@@ -642,6 +653,7 @@ __und_usr_unknown:
         mov     r0, sp
         adr     lr, ret_from_exception
         b       do_undefinstr
+ENDPROC(__und_usr_unknown)
 
         .align  5
 __pabt_usr:
@@ -666,6 +678,8 @@ ENTRY(ret_from_exception)
         get_thread_info tsk
         mov     why, #0
         b       ret_to_user
+ENDPROC(__pabt_usr)
+ENDPROC(ret_from_exception)
 
 /*
  * Register switch for ARMv3 and ARMv4 processors
@@ -702,6 +716,7 @@ ENTRY(__switch_to)
         bl      atomic_notifier_call_chain
         mov     r0, r5
         ldmia   r4, {r4 - sl, fp, sp, pc}       @ Load all regs saved previously
+ENDPROC(__switch_to)
 
         __INIT
 
@@ -1029,6 +1044,7 @@ vector_\name:
         mov     r0, sp
         ldr     lr, [pc, lr, lsl #2]
         movs    pc, lr                  @ branch to handler in SVC mode
+ENDPROC(vector_\name)
         .endm
 
         .globl  __stubs_start
diff --git a/arch/arm/kernel/entry-common.S b/arch/arm/kernel/entry-common.S
index 060d7e2e9f64..3aa14dcc5bab 100644
--- a/arch/arm/kernel/entry-common.S
+++ b/arch/arm/kernel/entry-common.S
@@ -77,6 +77,7 @@ no_work_pending:
         mov     r0, r0
         add     sp, sp, #S_FRAME_SIZE - S_PC
         movs    pc, lr                          @ return & move spsr_svc into cpsr
+ENDPROC(ret_to_user)
 
 /*
  * This is how we return from a fork.
@@ -92,7 +93,7 @@ ENTRY(ret_from_fork)
         mov     r0, #1                          @ trace exit [IP = 1]
         bl      syscall_trace
         b       ret_slow_syscall
-        
+ENDPROC(ret_from_fork)
 
         .equ NR_syscalls,0
 #define CALL(x) .equ NR_syscalls,NR_syscalls+1
@@ -269,6 +270,7 @@ ENTRY(vector_swi)
         eor     r0, scno, #__NR_SYSCALL_BASE    @ put OS number back
         bcs     arm_syscall     
         b       sys_ni_syscall                  @ not private func
+ENDPROC(vector_swi)
 
         /*
          * This is the really slow path.  We're going to be doing
@@ -326,7 +328,6 @@ ENTRY(sys_call_table)
  */
 @ r0 = syscall number
 @ r8 = syscall table
-                .type   sys_syscall, #function
 sys_syscall:
                 bic     scno, r0, #__NR_OABI_SYSCALL_BASE
                 cmp     scno, #__NR_syscall - __NR_SYSCALL_BASE
@@ -338,53 +339,65 @@ sys_syscall:
                 movlo   r3, r4
                 ldrlo   pc, [tbl, scno, lsl #2]
                 b       sys_ni_syscall
+ENDPROC(sys_syscall)
 
 sys_fork_wrapper:
                 add     r0, sp, #S_OFF
                 b       sys_fork
+ENDPROC(sys_fork_wrapper)
 
 sys_vfork_wrapper:
                 add     r0, sp, #S_OFF
                 b       sys_vfork
+ENDPROC(sys_vfork_wrapper)
 
 sys_execve_wrapper:
                 add     r3, sp, #S_OFF
                 b       sys_execve
+ENDPROC(sys_execve_wrapper)
 
 sys_clone_wrapper:
                 add     ip, sp, #S_OFF
                 str     ip, [sp, #4]
                 b       sys_clone
+ENDPROC(sys_clone_wrapper)
 
 sys_sigsuspend_wrapper:
                 add     r3, sp, #S_OFF
                 b       sys_sigsuspend
+ENDPROC(sys_sigsuspend_wrapper)
 
 sys_rt_sigsuspend_wrapper:
                 add     r2, sp, #S_OFF
                 b       sys_rt_sigsuspend
+ENDPROC(sys_rt_sigsuspend_wrapper)
 
 sys_sigreturn_wrapper:
                 add     r0, sp, #S_OFF
                 b       sys_sigreturn
+ENDPROC(sys_sigreturn_wrapper)
 
 sys_rt_sigreturn_wrapper:
                 add     r0, sp, #S_OFF
                 b       sys_rt_sigreturn
+ENDPROC(sys_rt_sigreturn_wrapper)
 
 sys_sigaltstack_wrapper:
                 ldr     r2, [sp, #S_OFF + S_SP]
                 b       do_sigaltstack
+ENDPROC(sys_sigaltstack_wrapper)
 
 sys_statfs64_wrapper:
                 teq     r1, #88
                 moveq   r1, #84
                 b       sys_statfs64
+ENDPROC(sys_statfs64_wrapper)
 
 sys_fstatfs64_wrapper:
                 teq     r1, #88
                 moveq   r1, #84
                 b       sys_fstatfs64
+ENDPROC(sys_fstatfs64_wrapper)
 
 /*
  * Note: off_4k (r5) is always units of 4K.  If we can't do the requested
@@ -402,11 +415,14 @@ sys_mmap2:
                 str     r5, [sp, #4]
                 b       do_mmap2
 #endif
+ENDPROC(sys_mmap2)
 
 ENTRY(pabort_ifar)
                 mrc     p15, 0, r0, cr6, cr0, 2
 ENTRY(pabort_noifar)
                 mov     pc, lr
+ENDPROC(pabort_ifar)
+ENDPROC(pabort_noifar)
 
 #ifdef CONFIG_OABI_COMPAT
 
@@ -417,26 +433,31 @@ ENTRY(pabort_noifar)
 sys_oabi_pread64:
                 stmia   sp, {r3, r4}
                 b       sys_pread64
+ENDPROC(sys_oabi_pread64)
 
 sys_oabi_pwrite64:
                 stmia   sp, {r3, r4}
                 b       sys_pwrite64
+ENDPROC(sys_oabi_pwrite64)
 
 sys_oabi_truncate64:
                 mov     r3, r2
                 mov     r2, r1
                 b       sys_truncate64
+ENDPROC(sys_oabi_truncate64)
 
 sys_oabi_ftruncate64:
                 mov     r3, r2
                 mov     r2, r1
                 b       sys_ftruncate64
+ENDPROC(sys_oabi_ftruncate64)
 
 sys_oabi_readahead:
                 str     r3, [sp]
                 mov     r3, r2
                 mov     r2, r1
                 b       sys_readahead
+ENDPROC(sys_oabi_readahead)
 
 /*
  * Let's declare a second syscall table for old ABI binaries
diff --git a/arch/arm/kernel/fiq.c b/arch/arm/kernel/fiq.c
index e8e90346f11c..36f81d967979 100644
--- a/arch/arm/kernel/fiq.c
+++ b/arch/arm/kernel/fiq.c
@@ -45,7 +45,6 @@
 #include <asm/fiq.h>
 #include <asm/irq.h>
 #include <asm/system.h>
-#include <asm/uaccess.h>
 
 static unsigned long no_fiq_insn;
 
diff --git a/arch/arm/kernel/head-common.S b/arch/arm/kernel/head-common.S
index 1c3c6ea5f9e7..bde52df1c668 100644
--- a/arch/arm/kernel/head-common.S
+++ b/arch/arm/kernel/head-common.S
@@ -36,7 +36,6 @@ __switch_data:
  *  r2  = atags pointer
  *  r9  = processor ID
  */
-        .type   __mmap_switched, %function
 __mmap_switched:
         adr     r3, __switch_data + 4
 
@@ -59,6 +58,7 @@ __mmap_switched:
         bic     r4, r0, #CR_A                   @ Clear 'A' bit
         stmia   r7, {r0, r4}                    @ Save control register values
         b       start_kernel
+ENDPROC(__mmap_switched)
 
 /*
  * Exception handling.  Something went wrong and we can't proceed.  We
@@ -69,8 +69,6 @@ __mmap_switched:
  * and hope for the best (useful if bootloader fails to pass a proper
  * machine ID for example).
  */
-
-        .type   __error_p, %function
 __error_p:
 #ifdef CONFIG_DEBUG_LL
         adr     r0, str_p1
@@ -84,8 +82,8 @@ str_p1:	.asciz	"\nError: unrecognized/unsupported processor variant (0x"
 str_p2: .asciz  ").\n"
         .align
 #endif
+ENDPROC(__error_p)
 
-        .type   __error_a, %function
 __error_a:
 #ifdef CONFIG_DEBUG_LL
         mov     r4, r1                          @ preserve machine ID
@@ -115,13 +113,14 @@ __error_a:
         adr     r0, str_a3
         bl      printascii
         b       __error
+ENDPROC(__error_a)
+
 str_a1: .asciz  "\nError: unrecognized/unsupported machine ID (r1 = 0x"
 str_a2: .asciz  ").\n\nAvailable machine support:\n\nID (hex)\tNAME\n"
 str_a3: .asciz  "\nPlease check your kernel config and/or bootloader.\n"
         .align
 #endif
 
-        .type   __error, %function
 __error:
 #ifdef CONFIG_ARCH_RPC
 /*
@@ -138,6 +137,7 @@ __error:
 #endif
 1:      mov     r0, r0
         b       1b
+ENDPROC(__error)
 
 
 /*
@@ -153,7 +153,6 @@ __error:
  *      r5 = proc_info pointer in physical address space
  *      r9 = cpuid (preserved)
  */
-        .type   __lookup_processor_type, %function
 __lookup_processor_type:
         adr     r3, 3f
         ldmda   r3, {r5 - r7}
@@ -169,6 +168,7 @@ __lookup_processor_type:
         blo     1b
         mov     r5, #0                          @ unknown processor
 2:      mov     pc, lr
+ENDPROC(__lookup_processor_type)
 
 /*
  * This provides a C-API version of the above function.
@@ -179,6 +179,7 @@ ENTRY(lookup_processor_type)
         bl      __lookup_processor_type
         mov     r0, r5
         ldmfd   sp!, {r4 - r7, r9, pc}
+ENDPROC(lookup_processor_type)
 
 /*
  * Look in <asm/procinfo.h> and arch/arm/kernel/arch.[ch] for
@@ -201,7 +202,6 @@ ENTRY(lookup_processor_type)
  *  r3, r4, r6 corrupted
  *  r5 = mach_info pointer in physical address space
  */
-        .type   __lookup_machine_type, %function
 __lookup_machine_type:
         adr     r3, 3b
         ldmia   r3, {r4, r5, r6}
@@ -216,6 +216,7 @@ __lookup_machine_type:
         blo     1b
         mov     r5, #0                          @ unknown machine
 2:      mov     pc, lr
+ENDPROC(__lookup_machine_type)
 
 /*
  * This provides a C-API version of the above function.
@@ -226,6 +227,7 @@ ENTRY(lookup_machine_type)
         bl      __lookup_machine_type
         mov     r0, r5
         ldmfd   sp!, {r4 - r6, pc}
+ENDPROC(lookup_machine_type)
 
 /* Determine validity of the r2 atags pointer.  The heuristic requires
  * that the pointer be aligned, in the first 16k of physical RAM and
@@ -239,8 +241,6 @@ ENTRY(lookup_machine_type)
  *  r2 either valid atags pointer, or zero
  *  r5, r6 corrupted
  */
-
-        .type   __vet_atags, %function
 __vet_atags:
         tst     r2, #0x3                        @ aligned?
         bne     1f
@@ -257,3 +257,4 @@ __vet_atags:
 
 1:      mov     r2, #0
         mov     pc, lr
+ENDPROC(__vet_atags)
diff --git a/arch/arm/kernel/head-nommu.S b/arch/arm/kernel/head-nommu.S
index 27329bd32037..cc87e1765ed2 100644
--- a/arch/arm/kernel/head-nommu.S
+++ b/arch/arm/kernel/head-nommu.S
@@ -33,7 +33,6 @@
  *
  */
         .section ".text.head", "ax"
-        .type   stext, %function
 ENTRY(stext)
         msr     cpsr_c, #PSR_F_BIT | PSR_I_BIT | SVC_MODE @ ensure svc mode
                                                 @ and irqs disabled
@@ -53,11 +52,11 @@ ENTRY(stext)
                                                 @ the initialization is done
         adr     lr, __after_proc_init           @ return (PIC) address
         add     pc, r10, #PROCINFO_INITFUNC
+ENDPROC(stext)
 
 /*
  * Set the Control Register and Read the process ID.
  */
-        .type   __after_proc_init, %function
 __after_proc_init:
 #ifdef CONFIG_CPU_CP15
         mrc     p15, 0, r0, c1, c0, 0           @ read control reg
@@ -85,6 +84,7 @@ __after_proc_init:
 
         mov     pc, r13                         @ clear the BSS and jump
                                                 @ to start_kernel
+ENDPROC(__after_proc_init)
         .ltorg
 
 #include "head-common.S"
diff --git a/arch/arm/kernel/head.S b/arch/arm/kernel/head.S
index bff4c6e90dd5..21e17dc94cb5 100644
--- a/arch/arm/kernel/head.S
+++ b/arch/arm/kernel/head.S
@@ -75,7 +75,6 @@
  * circumstances, zImage) is for.
  */
         .section ".text.head", "ax"
-        .type   stext, %function
 ENTRY(stext)
         msr     cpsr_c, #PSR_F_BIT | PSR_I_BIT | SVC_MODE @ ensure svc mode
                                                 @ and irqs disabled
@@ -100,9 +99,9 @@ ENTRY(stext)
                                                 @ mmu has been enabled
         adr     lr, __enable_mmu                @ return (PIC) address
         add     pc, r10, #PROCINFO_INITFUNC
+ENDPROC(stext)
 
 #if defined(CONFIG_SMP)
-        .type   secondary_startup, #function
 ENTRY(secondary_startup)
         /*
          * Common entry point for secondary CPUs.
@@ -128,6 +127,7 @@ ENTRY(secondary_startup)
         adr     lr, __enable_mmu                @ return address
         add     pc, r10, #PROCINFO_INITFUNC     @ initialise processor
                                                 @ (return control reg)
+ENDPROC(secondary_startup)
 
         /*
          * r6  = &secondary_data
@@ -136,6 +136,7 @@ ENTRY(__secondary_switched)
         ldr     sp, [r7, #4]                    @ get secondary_data.stack
         mov     fp, #0
         b       secondary_start_kernel
+ENDPROC(__secondary_switched)
 
         .type   __secondary_data, %object
 __secondary_data:
@@ -151,7 +152,6 @@ __secondary_data:
  * this is just loading the page table pointer and domain access
  * registers.
  */
-        .type   __enable_mmu, %function
 __enable_mmu:
 #ifdef CONFIG_ALIGNMENT_TRAP
         orr     r0, r0, #CR_A
@@ -174,6 +174,7 @@ __enable_mmu:
         mcr     p15, 0, r5, c3, c0, 0           @ load domain access register
         mcr     p15, 0, r4, c2, c0, 0           @ load page table pointer
         b       __turn_mmu_on
+ENDPROC(__enable_mmu)
 
 /*
  * Enable the MMU.  This completely changes the structure of the visible
@@ -187,7 +188,6 @@ __enable_mmu:
  * other registers depend on the function called upon completion
  */
         .align  5
-        .type   __turn_mmu_on, %function
 __turn_mmu_on:
         mov     r0, r0
         mcr     p15, 0, r0, c1, c0, 0           @ write control reg
@@ -195,7 +195,7 @@ __turn_mmu_on:
         mov     r3, r3
         mov     r3, r3
         mov     pc, r13
-
+ENDPROC(__turn_mmu_on)
 
 
 /*
@@ -211,7 +211,6 @@ __turn_mmu_on:
  *  r0, r3, r6, r7 corrupted
  *  r4 = physical page table address
  */
-        .type   __create_page_tables, %function
 __create_page_tables:
         pgtbl   r4                              @ page table address
 
@@ -325,6 +324,7 @@ __create_page_tables:
 #endif
 #endif
         mov     pc, lr
+ENDPROC(__create_page_tables)
         .ltorg
 
 #include "head-common.S"
diff --git a/arch/arm/kernel/init_task.c b/arch/arm/kernel/init_task.c
index 8b8c9d38a761..0bbf80625395 100644
--- a/arch/arm/kernel/init_task.c
+++ b/arch/arm/kernel/init_task.c
@@ -8,8 +8,8 @@
 #include <linux/init.h>
 #include <linux/init_task.h>
 #include <linux/mqueue.h>
+#include <linux/uaccess.h>
 
-#include <asm/uaccess.h>
 #include <asm/pgtable.h>
 
 static struct fs_struct init_fs = INIT_FS;
diff --git a/arch/arm/kernel/io.c b/arch/arm/kernel/io.c
index 1f6822dfae74..f4470307edb8 100644
--- a/arch/arm/kernel/io.c
+++ b/arch/arm/kernel/io.c
@@ -1,7 +1,6 @@
 #include <linux/module.h>
 #include <linux/types.h>
-
-#include <asm/io.h>
+#include <linux/io.h>
 
 /*
  * Copy data from IO memory space to "real" memory space.
diff --git a/arch/arm/kernel/irq.c b/arch/arm/kernel/irq.c
index f88efb135b70..2f3eb795fa6e 100644
--- a/arch/arm/kernel/irq.c
+++ b/arch/arm/kernel/irq.c
@@ -112,18 +112,17 @@ static struct irq_desc bad_irq_desc = {
 asmlinkage void __exception asm_do_IRQ(unsigned int irq, struct pt_regs *regs)
 {
         struct pt_regs *old_regs = set_irq_regs(regs);
-        struct irq_desc *desc = irq_desc + irq;
+
+        irq_enter();
 
         /*
          * Some hardware gives randomly wrong interrupts.  Rather
          * than crashing, do something sensible.
          */
         if (irq >= NR_IRQS)
-                desc = &bad_irq_desc;
-
-        irq_enter();
-
-        desc_handle_irq(irq, desc);
+                handle_bad_irq(irq, &bad_irq_desc);
+        else
+                generic_handle_irq(irq);
 
         /* AT91 specific workaround */
         irq_finish(irq);
diff --git a/arch/arm/kernel/kprobes-decode.c b/arch/arm/kernel/kprobes-decode.c
index b4565bb133c1..da1f94906a4e 100644
--- a/arch/arm/kernel/kprobes-decode.c
+++ b/arch/arm/kernel/kprobes-decode.c
@@ -488,7 +488,7 @@ static void __kprobes simulate_ldm1stm1(struct kprobe *p, struct pt_regs *regs)
 
         if (!ubit)
                 addr -= reg_count;
-        addr += (!pbit ^ !ubit);
+        addr += (!pbit == !ubit);
 
         reg_bit_vector = insn & 0xffff;
         while (reg_bit_vector) {
@@ -503,7 +503,7 @@ static void __kprobes simulate_ldm1stm1(struct kprobe *p, struct pt_regs *regs)
         if (wbit) {
                 if (!ubit)
                         addr -= reg_count;
-                addr -= (!pbit ^ !ubit);
+                addr -= (!pbit == !ubit);
                 regs->uregs[rn] = (long)addr;
         }
 }
diff --git a/arch/arm/kernel/kprobes.c b/arch/arm/kernel/kprobes.c
index d28513f14d05..3f9abe0e9aff 100644
--- a/arch/arm/kernel/kprobes.c
+++ b/arch/arm/kernel/kprobes.c
@@ -200,9 +200,12 @@ void __kprobes kprobe_handler(struct pt_regs *regs)
         }
 }
 
-int kprobe_trap_handler(struct pt_regs *regs, unsigned int instr)
+static int __kprobes kprobe_trap_handler(struct pt_regs *regs, unsigned int instr)
 {
+        unsigned long flags;
+        local_irq_save(flags);
         kprobe_handler(regs);
+        local_irq_restore(flags);
         return 0;
 }
 
diff --git a/arch/arm/kernel/machine_kexec.c b/arch/arm/kernel/machine_kexec.c
index fae5beb3c3d6..440dc62cdc3a 100644
--- a/arch/arm/kernel/machine_kexec.c
+++ b/arch/arm/kernel/machine_kexec.c
@@ -6,10 +6,10 @@
 #include <linux/kexec.h>
 #include <linux/delay.h>
 #include <linux/reboot.h>
+#include <linux/io.h>
 #include <asm/pgtable.h>
 #include <asm/pgalloc.h>
 #include <asm/mmu_context.h>
-#include <asm/io.h>
 #include <asm/cacheflush.h>
 #include <asm/mach-types.h>
 
diff --git a/arch/arm/kernel/module.c b/arch/arm/kernel/module.c
index a68259a0cccd..9203ba7d58ee 100644
--- a/arch/arm/kernel/module.c
+++ b/arch/arm/kernel/module.c
@@ -47,7 +47,7 @@ void *module_alloc(unsigned long size)
         if (!area)
                 return NULL;
 
-        return __vmalloc_area(area, GFP_KERNEL, PAGE_KERNEL);
+        return __vmalloc_area(area, GFP_KERNEL, PAGE_KERNEL_EXEC);
 }
 #else /* CONFIG_MMU */
 void *module_alloc(unsigned long size)
diff --git a/arch/arm/kernel/process.c b/arch/arm/kernel/process.c
index 3fd882337064..d3ea6fa89521 100644
--- a/arch/arm/kernel/process.c
+++ b/arch/arm/kernel/process.c
@@ -28,12 +28,12 @@
 #include <linux/pm.h>
 #include <linux/tick.h>
 #include <linux/utsname.h>
+#include <linux/uaccess.h>
 
 #include <asm/leds.h>
 #include <asm/processor.h>
 #include <asm/system.h>
 #include <asm/thread_notify.h>
-#include <asm/uaccess.h>
 #include <asm/mach/time.h>
 
 static const char *processor_modes[] = {
@@ -267,35 +267,6 @@ void show_regs(struct pt_regs * regs)
         __backtrace();
 }
 
-void show_fpregs(struct user_fp *regs)
-{
-        int i;
-
-        for (i = 0; i < 8; i++) {
-                unsigned long *p;
-                char type;
-
-                p = (unsigned long *)(regs->fpregs + i);
-
-                switch (regs->ftype[i]) {
-                        case 1: type = 'f'; break;
-                        case 2: type = 'd'; break;
-                        case 3: type = 'e'; break;
-                        default: type = '?'; break;
-                }
-                if (regs->init_flag)
-                        type = '?';
-
-                printk("  f%d(%c): %08lx %08lx %08lx%c",
-                        i, type, p[0], p[1], p[2], i & 1 ? '\n' : ' ');
-        }
-                        
-
-        printk("FPSR: %08lx FPCR: %08lx\n",
-                (unsigned long)regs->fpsr,
-                (unsigned long)regs->fpcr);
-}
-
 /*
  * Free current thread data structures etc..
  */
@@ -414,7 +385,7 @@ unsigned long get_wchan(struct task_struct *p)
         do {
                 if (fp < stack_start || fp > stack_end)
                         return 0;
-                lr = pc_pointer (((unsigned long *)fp)[-1]);
+                lr = ((unsigned long *)fp)[-1];
                 if (!in_sched_functions(lr))
                         return lr;
                 fp = *(unsigned long *) (fp - 12);
diff --git a/arch/arm/kernel/ptrace.c b/arch/arm/kernel/ptrace.c
index 4b05dc5c1023..df653ea59250 100644
--- a/arch/arm/kernel/ptrace.c
+++ b/arch/arm/kernel/ptrace.c
@@ -18,8 +18,8 @@
 #include <linux/security.h>
 #include <linux/init.h>
 #include <linux/signal.h>
+#include <linux/uaccess.h>
 
-#include <asm/uaccess.h>
 #include <asm/pgtable.h>
 #include <asm/system.h>
 #include <asm/traps.h>
@@ -126,7 +126,7 @@ ptrace_getrn(struct task_struct *child, unsigned long insn)
 
         val = get_user_reg(child, reg);
         if (reg == 15)
-                val = pc_pointer(val + 8);
+                val += 8;
 
         return val;
 }
@@ -278,8 +278,7 @@ get_branch_address(struct task_struct *child, unsigned long pc, unsigned long in
                                 else
                                         base -= aluop2;
                         }
-                        if (read_u32(child, base, &alt) == 0)
-                                alt = pc_pointer(alt);
+                        read_u32(child, base, &alt);
                 }
                 break;
 
@@ -305,8 +304,7 @@ get_branch_address(struct task_struct *child, unsigned long pc, unsigned long in
 
                         base = ptrace_getrn(child, insn);
 
-                        if (read_u32(child, base + nr_regs, &alt) == 0)
-                                alt = pc_pointer(alt);
+                        read_u32(child, base + nr_regs, &alt);
                         break;
                 }
                 break;
diff --git a/arch/arm/kernel/setup.c b/arch/arm/kernel/setup.c
index 2ca7038b67a7..1f1eecca7f55 100644
--- a/arch/arm/kernel/setup.c
+++ b/arch/arm/kernel/setup.c
@@ -26,11 +26,13 @@
 #include <linux/fs.h>
 
 #include <asm/cpu.h>
+#include <asm/cputype.h>
 #include <asm/elf.h>
 #include <asm/procinfo.h>
 #include <asm/setup.h>
 #include <asm/mach-types.h>
 #include <asm/cacheflush.h>
+#include <asm/cachetype.h>
 #include <asm/tlbflush.h>
 
 #include <asm/mach/arch.h>
@@ -59,13 +61,14 @@ __setup("fpe=", fpe_setup);
 
 extern void paging_init(struct meminfo *, struct machine_desc *desc);
 extern void reboot_setup(char *str);
-extern int root_mountflags;
-extern void _stext, _text, _etext, __data_start, _edata, _end;
+extern void _text, _etext, __data_start, _edata, _end;
 
 unsigned int processor_id;
 EXPORT_SYMBOL(processor_id);
 unsigned int __machine_arch_type;
 EXPORT_SYMBOL(__machine_arch_type);
+unsigned int cacheid;
+EXPORT_SYMBOL(cacheid);
 
 unsigned int __atags_pointer __initdata;
 
@@ -81,8 +84,6 @@ EXPORT_SYMBOL(system_serial_high);
 unsigned int elf_hwcap;
 EXPORT_SYMBOL(elf_hwcap);
 
-unsigned long __initdata vmalloc_reserve = 128 << 20;
-
 
 #ifdef MULTI_CPU
 struct processor processor;
@@ -111,9 +112,6 @@ static struct stack stacks[NR_CPUS];
 char elf_platform[ELF_PLATFORM_SIZE];
 EXPORT_SYMBOL(elf_platform);
 
-unsigned long phys_initrd_start __initdata = 0;
-unsigned long phys_initrd_size __initdata = 0;
-
 static struct meminfo meminfo __initdata = { 0, };
 static const char *cpu_name;
 static const char *machine_name;
@@ -178,63 +176,6 @@ static struct resource io_res[] = {
 #define lp1 io_res[1]
 #define lp2 io_res[2]
 
-static const char *cache_types[16] = {
-        "write-through",
-        "write-back",
-        "write-back",
-        "undefined 3",
-        "undefined 4",
-        "undefined 5",
-        "write-back",
-        "write-back",
-        "undefined 8",
-        "undefined 9",
-        "undefined 10",
-        "undefined 11",
-        "undefined 12",
-        "undefined 13",
-        "write-back",
-        "undefined 15",
-};
-
-static const char *cache_clean[16] = {
-        "not required",
-        "read-block",
-        "cp15 c7 ops",
-        "undefined 3",
-        "undefined 4",
-        "undefined 5",
-        "cp15 c7 ops",
-        "cp15 c7 ops",
-        "undefined 8",
-        "undefined 9",
-        "undefined 10",
-        "undefined 11",
-        "undefined 12",
-        "undefined 13",
-        "cp15 c7 ops",
-        "undefined 15",
-};
-
-static const char *cache_lockdown[16] = {
-        "not supported",
-        "not supported",
-        "not supported",
-        "undefined 3",
-        "undefined 4",
-        "undefined 5",
-        "format A",
-        "format B",
-        "undefined 8",
-        "undefined 9",
-        "undefined 10",
-        "undefined 11",
-        "undefined 12",
-        "undefined 13",
-        "format C",
-        "undefined 15",
-};
-
 static const char *proc_arch[] = {
         "undefined/unknown",
         "3",
@@ -255,61 +196,19 @@ static const char *proc_arch[] = {
         "?(17)",
 };
 
-#define CACHE_TYPE(x)   (((x) >> 25) & 15)
-#define CACHE_S(x)      ((x) & (1 << 24))
-#define CACHE_DSIZE(x)  (((x) >> 12) & 4095)    /* only if S=1 */
-#define CACHE_ISIZE(x)  ((x) & 4095)
-
-#define CACHE_SIZE(y)   (((y) >> 6) & 7)
-#define CACHE_ASSOC(y)  (((y) >> 3) & 7)
-#define CACHE_M(y)      ((y) & (1 << 2))
-#define CACHE_LINE(y)   ((y) & 3)
-
-static inline void dump_cache(const char *prefix, int cpu, unsigned int cache)
-{
-        unsigned int mult = 2 + (CACHE_M(cache) ? 1 : 0);
-
-        printk("CPU%u: %s: %d bytes, associativity %d, %d byte lines, %d sets\n",
-                cpu, prefix,
-                mult << (8 + CACHE_SIZE(cache)),
-                (mult << CACHE_ASSOC(cache)) >> 1,
-                8 << CACHE_LINE(cache),
-                1 << (6 + CACHE_SIZE(cache) - CACHE_ASSOC(cache) -
-                        CACHE_LINE(cache)));
-}
-
-static void __init dump_cpu_info(int cpu)
-{
-        unsigned int info = read_cpuid(CPUID_CACHETYPE);
-
-        if (info != processor_id) {
-                printk("CPU%u: D %s %s cache\n", cpu, cache_is_vivt() ? "VIVT" : "VIPT",
-                       cache_types[CACHE_TYPE(info)]);
-                if (CACHE_S(info)) {
-                        dump_cache("I cache", cpu, CACHE_ISIZE(info));
-                        dump_cache("D cache", cpu, CACHE_DSIZE(info));
-                } else {
-                        dump_cache("cache", cpu, CACHE_ISIZE(info));
-                }
-        }
-
-        if (arch_is_coherent())
-                printk("Cache coherency enabled\n");
-}
-
 int cpu_architecture(void)
 {
         int cpu_arch;
 
-        if ((processor_id & 0x0008f000) == 0) {
+        if ((read_cpuid_id() & 0x0008f000) == 0) {
                 cpu_arch = CPU_ARCH_UNKNOWN;
-        } else if ((processor_id & 0x0008f000) == 0x00007000) {
-                cpu_arch = (processor_id & (1 << 23)) ? CPU_ARCH_ARMv4T : CPU_ARCH_ARMv3;
-        } else if ((processor_id & 0x00080000) == 0x00000000) {
-                cpu_arch = (processor_id >> 16) & 7;
+        } else if ((read_cpuid_id() & 0x0008f000) == 0x00007000) {
+                cpu_arch = (read_cpuid_id() & (1 << 23)) ? CPU_ARCH_ARMv4T : CPU_ARCH_ARMv3;
+        } else if ((read_cpuid_id() & 0x00080000) == 0x00000000) {
+                cpu_arch = (read_cpuid_id() >> 16) & 7;
                 if (cpu_arch)
                         cpu_arch += CPU_ARCH_ARMv3;
-        } else if ((processor_id & 0x000f0000) == 0x000f0000) {
+        } else if ((read_cpuid_id() & 0x000f0000) == 0x000f0000) {
                 unsigned int mmfr0;
 
                 /* Revised CPUID format. Read the Memory Model Feature
@@ -330,6 +229,34 @@ int cpu_architecture(void)
         return cpu_arch;
 }
 
+static void __init cacheid_init(void)
+{
+        unsigned int cachetype = read_cpuid_cachetype();
+        unsigned int arch = cpu_architecture();
+
+        if (arch >= CPU_ARCH_ARMv7) {
+                cacheid = CACHEID_VIPT_NONALIASING;
+                if ((cachetype & (3 << 14)) == 1 << 14)
+                        cacheid |= CACHEID_ASID_TAGGED;
+        } else if (arch >= CPU_ARCH_ARMv6) {
+                if (cachetype & (1 << 23))
+                        cacheid = CACHEID_VIPT_ALIASING;
+                else
+                        cacheid = CACHEID_VIPT_NONALIASING;
+        } else {
+                cacheid = CACHEID_VIVT;
+        }
+
+        printk("CPU: %s data cache, %s instruction cache\n",
+                cache_is_vivt() ? "VIVT" :
+                cache_is_vipt_aliasing() ? "VIPT aliasing" :
+                cache_is_vipt_nonaliasing() ? "VIPT nonaliasing" : "unknown",
+                cache_is_vivt() ? "VIVT" :
+                icache_is_vivt_asid_tagged() ? "VIVT ASID tagged" :
+                cache_is_vipt_aliasing() ? "VIPT aliasing" :
+                cache_is_vipt_nonaliasing() ? "VIPT nonaliasing" : "unknown");
+}
+
 /*
  * These functions re-use the assembly code in head.S, which
  * already provide the required functionality.
@@ -346,10 +273,10 @@ static void __init setup_processor(void)
          * types.  The linker builds this table for us from the
          * entries in arch/arm/mm/proc-*.S
          */
-        list = lookup_processor_type(processor_id);
+        list = lookup_processor_type(read_cpuid_id());
         if (!list) {
                 printk("CPU configuration botched (ID %08x), unable "
-                       "to continue.\n", processor_id);
+                       "to continue.\n", read_cpuid_id());
                 while (1);
         }
 
@@ -369,7 +296,7 @@ static void __init setup_processor(void)
 #endif
 
         printk("CPU: %s [%08x] revision %d (ARMv%s), cr=%08lx\n",
-               cpu_name, processor_id, (int)processor_id & 15,
+               cpu_name, read_cpuid_id(), read_cpuid_id() & 15,
                proc_arch[cpu_architecture()], cr_alignment);
 
         sprintf(init_utsname()->machine, "%s%c", list->arch_name, ENDIANNESS);
@@ -379,14 +306,14 @@ static void __init setup_processor(void)
         elf_hwcap &= ~HWCAP_THUMB;
 #endif
 
+        cacheid_init();
         cpu_proc_init();
 }
 
 /*
  * cpu_init - initialise one CPU.
  *
- * cpu_init dumps the cache information, initialises SMP specific
- * information, and sets up the per-CPU stacks.
+ * cpu_init sets up the per-CPU stacks.
  */
 void cpu_init(void)
 {
@@ -398,9 +325,6 @@ void cpu_init(void)
                 BUG();
         }
 
-        if (system_state == SYSTEM_BOOTING)
-                dump_cpu_info(cpu);
-
         /*
          * setup stacks for re-entrant exception handlers
          */
@@ -443,20 +367,6 @@ static struct machine_desc * __init setup_machine(unsigned int nr)
         return list;
 }
 
-static void __init early_initrd(char **p)
-{
-        unsigned long start, size;
-
-        start = memparse(*p, p);
-        if (**p == ',') {
-                size = memparse((*p) + 1, p);
-
-                phys_initrd_start = start;
-                phys_initrd_size = size;
-        }
-}
-__early_param("initrd=", early_initrd);
-
 static void __init arm_add_memory(unsigned long start, unsigned long size)
 {
         struct membank *bank;
@@ -503,17 +413,6 @@ static void __init early_mem(char **p)
 __early_param("mem=", early_mem);
 
 /*
- * vmalloc=size forces the vmalloc area to be exactly 'size'
- * bytes. This can be used to increase (or decrease) the vmalloc
- * area - the default is 128m.
- */
-static void __init early_vmalloc(char **arg)
-{
-        vmalloc_reserve = memparse(*arg, arg);
-}
-__early_param("vmalloc=", early_vmalloc);
-
-/*
  * Initial parsing of the command line.
  */
 static void __init parse_cmdline(char **cmdline_p, char *from)
@@ -527,12 +426,12 @@ static void __init parse_cmdline(char **cmdline_p, char *from)
                         struct early_params *p;
 
                         for (p = &__early_begin; p < &__early_end; p++) {
-                                int len = strlen(p->arg);
+                                int arglen = strlen(p->arg);
 
-                                if (memcmp(from, p->arg, len) == 0) {
+                                if (memcmp(from, p->arg, arglen) == 0) {
                                         if (to != command_line)
                                                 to -= 1;
-                                        from += len;
+                                        from += arglen;
                                         p->fn(&from);
 
                                         while (*from != ' ' && *from != '\0')
@@ -579,18 +478,13 @@ request_standard_resources(struct meminfo *mi, struct machine_desc *mdesc)
         kernel_data.end     = virt_to_phys(&_end - 1);
 
         for (i = 0; i < mi->nr_banks; i++) {
-                unsigned long virt_start, virt_end;
-
                 if (mi->bank[i].size == 0)
                         continue;
 
-                virt_start = __phys_to_virt(mi->bank[i].start);
-                virt_end   = virt_start + mi->bank[i].size - 1;
-
                 res = alloc_bootmem_low(sizeof(*res));
                 res->name  = "System RAM";
-                res->start = __virt_to_phys(virt_start);
-                res->end   = __virt_to_phys(virt_end);
+                res->start = mi->bank[i].start;
+                res->end   = mi->bank[i].start + mi->bank[i].size - 1;
                 res->flags = IORESOURCE_MEM | IORESOURCE_BUSY;
 
                 request_resource(&iomem_resource, res);
@@ -694,26 +588,6 @@ static int __init parse_tag_ramdisk(const struct tag *tag)
 
 __tagtable(ATAG_RAMDISK, parse_tag_ramdisk);
 
-static int __init parse_tag_initrd(const struct tag *tag)
-{
-        printk(KERN_WARNING "ATAG_INITRD is deprecated; "
-                "please update your bootloader.\n");
-        phys_initrd_start = __virt_to_phys(tag->u.initrd.start);
-        phys_initrd_size = tag->u.initrd.size;
-        return 0;
-}
-
-__tagtable(ATAG_INITRD, parse_tag_initrd);
-
-static int __init parse_tag_initrd2(const struct tag *tag)
-{
-        phys_initrd_start = tag->u.initrd.start;
-        phys_initrd_size = tag->u.initrd.size;
-        return 0;
-}
-
-__tagtable(ATAG_INITRD2, parse_tag_initrd2);
-
 static int __init parse_tag_serialnr(const struct tag *tag)
 {
         system_serial_low = tag->u.serialnr.low;
@@ -901,28 +775,12 @@ static const char *hwcap_str[] = {
         NULL
 };
 
-static void
-c_show_cache(struct seq_file *m, const char *type, unsigned int cache)
-{
-        unsigned int mult = 2 + (CACHE_M(cache) ? 1 : 0);
-
-        seq_printf(m, "%s size\t\t: %d\n"
-                      "%s assoc\t\t: %d\n"
-                      "%s line length\t: %d\n"
-                      "%s sets\t\t: %d\n",
-                type, mult << (8 + CACHE_SIZE(cache)),
-                type, (mult << CACHE_ASSOC(cache)) >> 1,
-                type, 8 << CACHE_LINE(cache),
-                type, 1 << (6 + CACHE_SIZE(cache) - CACHE_ASSOC(cache) -
-                            CACHE_LINE(cache)));
-}
-
 static int c_show(struct seq_file *m, void *v)
 {
         int i;
 
         seq_printf(m, "Processor\t: %s rev %d (%s)\n",
-                   cpu_name, (int)processor_id & 15, elf_platform);
+                   cpu_name, read_cpuid_id() & 15, elf_platform);
 
 #if defined(CONFIG_SMP)
         for_each_online_cpu(i) {
@@ -949,47 +807,26 @@ static int c_show(struct seq_file *m, void *v)
                 if (elf_hwcap & (1 << i))
                         seq_printf(m, "%s ", hwcap_str[i]);
 
-        seq_printf(m, "\nCPU implementer\t: 0x%02x\n", processor_id >> 24);
+        seq_printf(m, "\nCPU implementer\t: 0x%02x\n", read_cpuid_id() >> 24);
         seq_printf(m, "CPU architecture: %s\n", proc_arch[cpu_architecture()]);
 
-        if ((processor_id & 0x0008f000) == 0x00000000) {
+        if ((read_cpuid_id() & 0x0008f000) == 0x00000000) {
                 /* pre-ARM7 */
-                seq_printf(m, "CPU part\t: %07x\n", processor_id >> 4);
+                seq_printf(m, "CPU part\t: %07x\n", read_cpuid_id() >> 4);
         } else {
-                if ((processor_id & 0x0008f000) == 0x00007000) {
+                if ((read_cpuid_id() & 0x0008f000) == 0x00007000) {
                         /* ARM7 */
                         seq_printf(m, "CPU variant\t: 0x%02x\n",
-                                   (processor_id >> 16) & 127);
+                                   (read_cpuid_id() >> 16) & 127);
                 } else {
                         /* post-ARM7 */
                         seq_printf(m, "CPU variant\t: 0x%x\n",
-                                   (processor_id >> 20) & 15);
+                                   (read_cpuid_id() >> 20) & 15);
                 }
                 seq_printf(m, "CPU part\t: 0x%03x\n",
-                           (processor_id >> 4) & 0xfff);
-        }
-        seq_printf(m, "CPU revision\t: %d\n", processor_id & 15);
-
-        {
-                unsigned int cache_info = read_cpuid(CPUID_CACHETYPE);
-                if (cache_info != processor_id) {
-                        seq_printf(m, "Cache type\t: %s\n"
-                                      "Cache clean\t: %s\n"
-                                      "Cache lockdown\t: %s\n"
-                                      "Cache format\t: %s\n",
-                                   cache_types[CACHE_TYPE(cache_info)],
-                                   cache_clean[CACHE_TYPE(cache_info)],
-                                   cache_lockdown[CACHE_TYPE(cache_info)],
-                                   CACHE_S(cache_info) ? "Harvard" : "Unified");
-
-                        if (CACHE_S(cache_info)) {
-                                c_show_cache(m, "I", CACHE_ISIZE(cache_info));
-                                c_show_cache(m, "D", CACHE_DSIZE(cache_info));
-                        } else {
-                                c_show_cache(m, "Cache", CACHE_ISIZE(cache_info));
-                        }
-                }
+                           (read_cpuid_id() >> 4) & 0xfff);
         }
+        seq_printf(m, "CPU revision\t: %d\n", read_cpuid_id() & 15);
 
         seq_puts(m, "\n");
 
diff --git a/arch/arm/kernel/signal.c b/arch/arm/kernel/signal.c
index ef2f86a5e78a..80b8b5c7e07a 100644
--- a/arch/arm/kernel/signal.c
+++ b/arch/arm/kernel/signal.c
@@ -11,11 +11,11 @@
 #include <linux/signal.h>
 #include <linux/personality.h>
 #include <linux/freezer.h>
+#include <linux/uaccess.h>
 
 #include <asm/elf.h>
 #include <asm/cacheflush.h>
 #include <asm/ucontext.h>
-#include <asm/uaccess.h>
 #include <asm/unistd.h>
 
 #include "ptrace.h"
diff --git a/arch/arm/kernel/sys_arm.c b/arch/arm/kernel/sys_arm.c
index 0128687ba0f7..b3ec641b5cf8 100644
--- a/arch/arm/kernel/sys_arm.c
+++ b/arch/arm/kernel/sys_arm.c
@@ -27,8 +27,7 @@
 #include <linux/file.h>
 #include <linux/utsname.h>
 #include <linux/ipc.h>
-
-#include <asm/uaccess.h>
+#include <linux/uaccess.h>
 
 extern unsigned long do_mremap(unsigned long addr, unsigned long old_len,
                                unsigned long new_len, unsigned long flags,
diff --git a/arch/arm/kernel/sys_oabi-compat.c b/arch/arm/kernel/sys_oabi-compat.c
index 96ab5f52949c..42623db7f870 100644
--- a/arch/arm/kernel/sys_oabi-compat.c
+++ b/arch/arm/kernel/sys_oabi-compat.c
@@ -82,7 +82,7 @@
 #include <linux/socket.h>
 #include <linux/net.h>
 #include <linux/ipc.h>
-#include <asm/uaccess.h>
+#include <linux/uaccess.h>
 
 struct oldabi_stat64 {
         unsigned long long st_dev;
diff --git a/arch/arm/kernel/time.c b/arch/arm/kernel/time.c
index 368d171754cf..c68b44aa88d2 100644
--- a/arch/arm/kernel/time.c
+++ b/arch/arm/kernel/time.c
@@ -59,7 +59,7 @@ unsigned long profile_pc(struct pt_regs *regs)
 
         if (in_lock_functions(pc)) {
                 fp = regs->ARM_fp;
-                pc = pc_pointer(((unsigned long *)fp)[-1]);
+                pc = ((unsigned long *)fp)[-1];
         }
 
         return pc;
diff --git a/arch/arm/kernel/traps.c b/arch/arm/kernel/traps.c
index 872f1f8fbb57..57e6874d0b80 100644
--- a/arch/arm/kernel/traps.c
+++ b/arch/arm/kernel/traps.c
@@ -19,15 +19,13 @@
 #include <linux/kallsyms.h>
 #include <linux/delay.h>
 #include <linux/init.h>
-#include <linux/kprobes.h>
+#include <linux/uaccess.h>
 
 #include <asm/atomic.h>
 #include <asm/cacheflush.h>
 #include <asm/system.h>
-#include <asm/uaccess.h>
 #include <asm/unistd.h>
 #include <asm/traps.h>
-#include <asm/io.h>
 
 #include "ptrace.h"
 #include "signal.h"
@@ -69,7 +67,8 @@ void dump_backtrace_entry(unsigned long where, unsigned long from, unsigned long
  */
 static int verify_stack(unsigned long sp)
 {
-        if (sp < PAGE_OFFSET || (sp > (unsigned long)high_memory && high_memory != 0))
+        if (sp < PAGE_OFFSET ||
+            (sp > (unsigned long)high_memory && high_memory != NULL))
                 return -EFAULT;
 
         return 0;
@@ -328,17 +327,6 @@ asmlinkage void __exception do_undefinstr(struct pt_regs *regs)
                 get_user(instr, (u32 __user *)pc);
         }
 
-#ifdef CONFIG_KPROBES
-        /*
-         * It is possible to have recursive kprobes, so we can't call
-         * the kprobe trap handler with the undef_lock held.
-         */
-        if (instr == KPROBE_BREAKPOINT_INSTRUCTION && !user_mode(regs)) {
-                kprobe_trap_handler(regs, instr);
-                return;
-        }
-#endif
-
         if (call_undef_hook(regs, instr) == 0)
                 return;
 
diff --git a/arch/arm/kernel/xscale-cp0.c b/arch/arm/kernel/xscale-cp0.c
index 180000bfdc8f..17127db906fa 100644
--- a/arch/arm/kernel/xscale-cp0.c
+++ b/arch/arm/kernel/xscale-cp0.c
@@ -14,8 +14,8 @@
 #include <linux/signal.h>
 #include <linux/sched.h>
 #include <linux/init.h>
+#include <linux/io.h>
 #include <asm/thread_notify.h>
-#include <asm/io.h>
 
 static inline void dsp_save_state(u32 *state)
 {