6 files changed, 41 insertions, 8 deletions

diff --git a/arch/arm/kernel/entry-armv.S b/arch/arm/kernel/entry-armv.S
index 3a456c6c7005..be16a48007b4 100644
--- a/arch/arm/kernel/entry-armv.S
+++ b/arch/arm/kernel/entry-armv.S
@@ -790,7 +790,7 @@ __kuser_cmpxchg64:				@ 0xffff0f60
         smp_dmb arm
         rsbs    r0, r3, #0                      @ set returned val and C flag
         ldmfd   sp!, {r4, r5, r6, r7}
-        bx      lr
+        usr_ret lr
 
 #elif !defined(CONFIG_SMP)
 
diff --git a/arch/arm/kernel/perf_event_v7.c b/arch/arm/kernel/perf_event_v7.c
index 460bbbb6b885..6933244c68f9 100644
--- a/arch/arm/kernel/perf_event_v7.c
+++ b/arch/arm/kernel/perf_event_v7.c
@@ -469,6 +469,20 @@ static const unsigned armv7_a5_perf_cache_map[PERF_COUNT_HW_CACHE_MAX]
                         [C(RESULT_MISS)]        = CACHE_OP_UNSUPPORTED,
                 },
         },
+        [C(NODE)] = {
+                [C(OP_READ)] = {
+                        [C(RESULT_ACCESS)]      = CACHE_OP_UNSUPPORTED,
+                        [C(RESULT_MISS)]        = CACHE_OP_UNSUPPORTED,
+                },
+                [C(OP_WRITE)] = {
+                        [C(RESULT_ACCESS)]      = CACHE_OP_UNSUPPORTED,
+                        [C(RESULT_MISS)]        = CACHE_OP_UNSUPPORTED,
+                },
+                [C(OP_PREFETCH)] = {
+                        [C(RESULT_ACCESS)]      = CACHE_OP_UNSUPPORTED,
+                        [C(RESULT_MISS)]        = CACHE_OP_UNSUPPORTED,
+                },
+        },
 };
 
 /*
@@ -579,6 +593,20 @@ static const unsigned armv7_a15_perf_cache_map[PERF_COUNT_HW_CACHE_MAX]
                         [C(RESULT_MISS)]        = CACHE_OP_UNSUPPORTED,
                 },
         },
+        [C(NODE)] = {
+                [C(OP_READ)] = {
+                        [C(RESULT_ACCESS)]      = CACHE_OP_UNSUPPORTED,
+                        [C(RESULT_MISS)]        = CACHE_OP_UNSUPPORTED,
+                },
+                [C(OP_WRITE)] = {
+                        [C(RESULT_ACCESS)]      = CACHE_OP_UNSUPPORTED,
+                        [C(RESULT_MISS)]        = CACHE_OP_UNSUPPORTED,
+                },
+                [C(OP_PREFETCH)] = {
+                        [C(RESULT_ACCESS)]      = CACHE_OP_UNSUPPORTED,
+                        [C(RESULT_MISS)]        = CACHE_OP_UNSUPPORTED,
+                },
+        },
 };
 
 /*
diff --git a/arch/arm/kernel/ptrace.c b/arch/arm/kernel/ptrace.c
index e1d5e1929fbd..e33870ff0ac0 100644
--- a/arch/arm/kernel/ptrace.c
+++ b/arch/arm/kernel/ptrace.c
@@ -699,10 +699,13 @@ static int vfp_set(struct task_struct *target,
 {
         int ret;
         struct thread_info *thread = task_thread_info(target);
-        struct vfp_hard_struct new_vfp = thread->vfpstate.hard;
+        struct vfp_hard_struct new_vfp;
         const size_t user_fpregs_offset = offsetof(struct user_vfp, fpregs);
         const size_t user_fpscr_offset = offsetof(struct user_vfp, fpscr);
 
+        vfp_sync_hwstate(thread);
+        new_vfp = thread->vfpstate.hard;
+
         ret = user_regset_copyin(&pos, &count, &kbuf, &ubuf,
                                   &new_vfp.fpregs,
                                   user_fpregs_offset,
@@ -723,9 +726,8 @@ static int vfp_set(struct task_struct *target,
         if (ret)
                 return ret;
 
-        vfp_sync_hwstate(thread);
-        thread->vfpstate.hard = new_vfp;
         vfp_flush_hwstate(thread);
+        thread->vfpstate.hard = new_vfp;
 
         return 0;
 }
diff --git a/arch/arm/kernel/signal.c b/arch/arm/kernel/signal.c
index 0340224cf73c..9e617bd4a146 100644
--- a/arch/arm/kernel/signal.c
+++ b/arch/arm/kernel/signal.c
@@ -227,6 +227,8 @@ static int restore_vfp_context(struct vfp_sigframe __user *frame)
         if (magic != VFP_MAGIC || size != VFP_STORAGE_SIZE)
                 return -EINVAL;
 
+        vfp_flush_hwstate(thread);
+
         /*
          * Copy the floating point registers. There can be unused
          * registers see asm/hwcap.h for details.
@@ -251,9 +253,6 @@ static int restore_vfp_context(struct vfp_sigframe __user *frame)
         __get_user_error(h->fpinst, &frame->ufp_exc.fpinst, err);
         __get_user_error(h->fpinst2, &frame->ufp_exc.fpinst2, err);
 
-        if (!err)
-                vfp_flush_hwstate(thread);
-
         return err ? -EFAULT : 0;
 }
 
diff --git a/arch/arm/kernel/traps.c b/arch/arm/kernel/traps.c
index 99a572702509..f84dfe67724f 100644
--- a/arch/arm/kernel/traps.c
+++ b/arch/arm/kernel/traps.c
@@ -266,6 +266,7 @@ void die(const char *str, struct pt_regs *regs, int err)
 {
         struct thread_info *thread = current_thread_info();
         int ret;
+        enum bug_trap_type bug_type = BUG_TRAP_TYPE_NONE;
 
         oops_enter();
 
@@ -273,7 +274,9 @@ void die(const char *str, struct pt_regs *regs, int err)
         console_verbose();
         bust_spinlocks(1);
         if (!user_mode(regs))
-                report_bug(regs->ARM_pc, regs);
+                bug_type = report_bug(regs->ARM_pc, regs);
+        if (bug_type != BUG_TRAP_TYPE_NONE)
+                str = "Oops - BUG";
         ret = __die(str, err, thread, regs);
 
         if (regs && kexec_should_crash(thread->task))
diff --git a/arch/arm/kernel/vmlinux.lds.S b/arch/arm/kernel/vmlinux.lds.S
index 1e19691e0406..43a31fb06318 100644
--- a/arch/arm/kernel/vmlinux.lds.S
+++ b/arch/arm/kernel/vmlinux.lds.S
@@ -10,6 +10,7 @@
 #include <asm/page.h>
         
 #define PROC_INFO                                                       \
+        . = ALIGN(4);                                                   \
         VMLINUX_SYMBOL(__proc_info_begin) = .;                          \
         *(.proc.info.init)                                              \
         VMLINUX_SYMBOL(__proc_info_end) = .;