4 files changed, 14 insertions, 8 deletions

diff --git a/arch/mips/kernel/Makefile b/arch/mips/kernel/Makefile
index cc0244036aec..65e46a6d4178 100644
--- a/arch/mips/kernel/Makefile
+++ b/arch/mips/kernel/Makefile
@@ -30,7 +30,6 @@ obj-$(CONFIG_CPU_LOONGSON2)	+= r4k_fpu.o r4k_switch.o
 obj-$(CONFIG_CPU_MIPS32)        += r4k_fpu.o r4k_switch.o
 obj-$(CONFIG_CPU_MIPS64)        += r4k_fpu.o r4k_switch.o
 obj-$(CONFIG_CPU_R3000)         += r2300_fpu.o r2300_switch.o
-obj-$(CONFIG_CPU_R4000)         += r4k_fpu.o r4k_switch.o
 obj-$(CONFIG_CPU_R4300)         += r4k_fpu.o r4k_switch.o
 obj-$(CONFIG_CPU_R4X00)         += r4k_fpu.o r4k_switch.o
 obj-$(CONFIG_CPU_R5000)         += r4k_fpu.o r4k_switch.o
diff --git a/arch/mips/kernel/cevt-txx9.c b/arch/mips/kernel/cevt-txx9.c
index 795cb8fb0d74..b5fc4eb412d2 100644
--- a/arch/mips/kernel/cevt-txx9.c
+++ b/arch/mips/kernel/cevt-txx9.c
@@ -161,6 +161,9 @@ void __init txx9_tmr_init(unsigned long baseaddr)
         struct txx9_tmr_reg __iomem *tmrptr;
 
         tmrptr = ioremap(baseaddr, sizeof(struct txx9_tmr_reg));
+        /* Start once to make CounterResetEnable effective */
+        __raw_writel(TXx9_TMTCR_CRE | TXx9_TMTCR_TCE, &tmrptr->tcr);
+        /* Stop and reset the counter */
         __raw_writel(TXx9_TMTCR_CRE, &tmrptr->tcr);
         __raw_writel(0, &tmrptr->tisr);
         __raw_writel(0xffffffff, &tmrptr->cpra);
diff --git a/arch/mips/kernel/smp.c b/arch/mips/kernel/smp.c
index 63370cdd3c90..cdf87a9dd4ba 100644
--- a/arch/mips/kernel/smp.c
+++ b/arch/mips/kernel/smp.c
@@ -216,6 +216,7 @@ int smp_call_function(void (*func) (void *info), void *info, int retry,
 {
         return smp_call_function_mask(cpu_online_map, func, info, retry, wait);
 }
+EXPORT_SYMBOL(smp_call_function);
 
 void smp_call_function_interrupt(void)
 {
@@ -271,6 +272,7 @@ int smp_call_function_single(int cpu, void (*func) (void *info), void *info,
         put_cpu();
         return 0;
 }
+EXPORT_SYMBOL(smp_call_function_single);
 
 static void stop_this_cpu(void *dummy)
 {
diff --git a/arch/mips/kernel/traps.c b/arch/mips/kernel/traps.c
index cb8b0e2c7954..f9165d1a17bf 100644
--- a/arch/mips/kernel/traps.c
+++ b/arch/mips/kernel/traps.c
@@ -88,15 +88,17 @@ static void show_raw_backtrace(unsigned long reg29)
 #ifdef CONFIG_KALLSYMS
         printk("\n");
 #endif
-#define IS_KVA01(a) ((((unsigned int)a) & 0xc0000000) == 0x80000000)
-        if (IS_KVA01(sp)) {
-                while (!kstack_end(sp)) {
-                        addr = *sp++;
-                        if (__kernel_text_address(addr))
-                                print_ip_sym(addr);
+        while (!kstack_end(sp)) {
+                unsigned long __user *p =
+                        (unsigned long __user *)(unsigned long)sp++;
+                if (__get_user(addr, p)) {
+                        printk(" (Bad stack address)");
+                        break;
                 }
-                printk("\n");
+                if (__kernel_text_address(addr))
+                        print_ip_sym(addr);
         }
+        printk("\n");
 }
 
 #ifdef CONFIG_KALLSYMS