11 files changed, 51 insertions, 17 deletions

diff --git a/arch/mips/kernel/cevt-bcm1480.c b/arch/mips/kernel/cevt-bcm1480.c
index 36c3898b76db..69bbfae183bc 100644
--- a/arch/mips/kernel/cevt-bcm1480.c
+++ b/arch/mips/kernel/cevt-bcm1480.c
@@ -145,7 +145,7 @@ void __cpuinit sb1480_clockevent_init(void)
         bcm1480_unmask_irq(cpu, irq);
 
         action->handler = sibyte_counter_handler;
-        action->flags   = IRQF_DISABLED | IRQF_PERCPU | IRQF_TIMER;
+        action->flags   = IRQF_PERCPU | IRQF_TIMER;
         action->name    = name;
         action->dev_id  = cd;
 
diff --git a/arch/mips/kernel/cevt-ds1287.c b/arch/mips/kernel/cevt-ds1287.c
index 939157e397b9..ed648cb5a69f 100644
--- a/arch/mips/kernel/cevt-ds1287.c
+++ b/arch/mips/kernel/cevt-ds1287.c
@@ -108,7 +108,7 @@ static irqreturn_t ds1287_interrupt(int irq, void *dev_id)
 
 static struct irqaction ds1287_irqaction = {
         .handler        = ds1287_interrupt,
-        .flags          = IRQF_DISABLED | IRQF_PERCPU | IRQF_TIMER,
+        .flags          = IRQF_PERCPU | IRQF_TIMER,
         .name           = "ds1287",
 };
 
diff --git a/arch/mips/kernel/cevt-gt641xx.c b/arch/mips/kernel/cevt-gt641xx.c
index 339f3639b90e..831b47585b7c 100644
--- a/arch/mips/kernel/cevt-gt641xx.c
+++ b/arch/mips/kernel/cevt-gt641xx.c
@@ -114,7 +114,7 @@ static irqreturn_t gt641xx_timer0_interrupt(int irq, void *dev_id)
 
 static struct irqaction gt641xx_timer0_irqaction = {
         .handler        = gt641xx_timer0_interrupt,
-        .flags          = IRQF_DISABLED | IRQF_PERCPU | IRQF_TIMER,
+        .flags          = IRQF_PERCPU | IRQF_TIMER,
         .name           = "gt641xx_timer0",
 };
 
diff --git a/arch/mips/kernel/cevt-r4k.c b/arch/mips/kernel/cevt-r4k.c
index e2d8e199be32..51095dd9599d 100644
--- a/arch/mips/kernel/cevt-r4k.c
+++ b/arch/mips/kernel/cevt-r4k.c
@@ -84,7 +84,7 @@ out:
 
 struct irqaction c0_compare_irqaction = {
         .handler = c0_compare_interrupt,
-        .flags = IRQF_DISABLED | IRQF_PERCPU | IRQF_TIMER,
+        .flags = IRQF_PERCPU | IRQF_TIMER,
         .name = "timer",
 };
 
diff --git a/arch/mips/kernel/cevt-sb1250.c b/arch/mips/kernel/cevt-sb1250.c
index 590c54f28a81..e73439fd6850 100644
--- a/arch/mips/kernel/cevt-sb1250.c
+++ b/arch/mips/kernel/cevt-sb1250.c
@@ -144,7 +144,7 @@ void __cpuinit sb1250_clockevent_init(void)
         sb1250_unmask_irq(cpu, irq);
 
         action->handler = sibyte_counter_handler;
-        action->flags   = IRQF_DISABLED | IRQF_PERCPU | IRQF_TIMER;
+        action->flags   = IRQF_PERCPU | IRQF_TIMER;
         action->name    = name;
         action->dev_id  = cd;
 
diff --git a/arch/mips/kernel/cevt-txx9.c b/arch/mips/kernel/cevt-txx9.c
index f0ab92a1b057..e5c30b1d0860 100644
--- a/arch/mips/kernel/cevt-txx9.c
+++ b/arch/mips/kernel/cevt-txx9.c
@@ -146,7 +146,7 @@ static irqreturn_t txx9tmr_interrupt(int irq, void *dev_id)
 
 static struct irqaction txx9tmr_irq = {
         .handler        = txx9tmr_interrupt,
-        .flags          = IRQF_DISABLED | IRQF_PERCPU | IRQF_TIMER,
+        .flags          = IRQF_PERCPU | IRQF_TIMER,
         .name           = "txx9tmr",
         .dev_id         = &txx9_clock_event_device,
 };
diff --git a/arch/mips/kernel/i8253.c b/arch/mips/kernel/i8253.c
index 7047bff35ea5..c5bc344fc745 100644
--- a/arch/mips/kernel/i8253.c
+++ b/arch/mips/kernel/i8253.c
@@ -19,7 +19,7 @@ static irqreturn_t timer_interrupt(int irq, void *dev_id)
 
 static struct irqaction irq0  = {
         .handler = timer_interrupt,
-        .flags = IRQF_DISABLED | IRQF_NOBALANCING | IRQF_TIMER,
+        .flags = IRQF_NOBALANCING | IRQF_TIMER,
         .name = "timer"
 };
 
diff --git a/arch/mips/kernel/rtlx.c b/arch/mips/kernel/rtlx.c
index 933166f44a6d..a9d801dec6b0 100644
--- a/arch/mips/kernel/rtlx.c
+++ b/arch/mips/kernel/rtlx.c
@@ -473,7 +473,6 @@ static const struct file_operations rtlx_fops = {
 
 static struct irqaction rtlx_irq = {
         .handler        = rtlx_interrupt,
-        .flags          = IRQF_DISABLED,
         .name           = "RTLX",
 };
 
diff --git a/arch/mips/kernel/setup.c b/arch/mips/kernel/setup.c
index 84af26ab2212..e86c2cf554aa 100644
--- a/arch/mips/kernel/setup.c
+++ b/arch/mips/kernel/setup.c
@@ -121,6 +121,9 @@ static void __init print_memory_map(void)
                 case BOOT_MEM_RAM:
                         printk(KERN_CONT "(usable)\n");
                         break;
+                case BOOT_MEM_INIT_RAM:
+                        printk(KERN_CONT "(usable after init)\n");
+                        break;
                 case BOOT_MEM_ROM_DATA:
                         printk(KERN_CONT "(ROM data)\n");
                         break;
@@ -361,15 +364,24 @@ static void __init bootmem_init(void)
         for (i = 0; i < boot_mem_map.nr_map; i++) {
                 unsigned long start, end, size;
 
+                start = PFN_UP(boot_mem_map.map[i].addr);
+                end   = PFN_DOWN(boot_mem_map.map[i].addr
+                                    + boot_mem_map.map[i].size);
+
                 /*
                  * Reserve usable memory.
                  */
-                if (boot_mem_map.map[i].type != BOOT_MEM_RAM)
+                switch (boot_mem_map.map[i].type) {
+                case BOOT_MEM_RAM:
+                        break;
+                case BOOT_MEM_INIT_RAM:
+                        memory_present(0, start, end);
                         continue;
+                default:
+                        /* Not usable memory */
+                        continue;
+                }
 
-                start = PFN_UP(boot_mem_map.map[i].addr);
-                end   = PFN_DOWN(boot_mem_map.map[i].addr
-                                    + boot_mem_map.map[i].size);
                 /*
                  * We are rounding up the start address of usable memory
                  * and at the end of the usable range downwards.
@@ -455,11 +467,33 @@ early_param("mem", early_parse_mem);
 
 static void __init arch_mem_init(char **cmdline_p)
 {
+        phys_t init_mem, init_end, init_size;
+
         extern void plat_mem_setup(void);
 
         /* call board setup routine */
         plat_mem_setup();
 
+        init_mem = PFN_UP(__pa_symbol(&__init_begin)) << PAGE_SHIFT;
+        init_end = PFN_DOWN(__pa_symbol(&__init_end)) << PAGE_SHIFT;
+        init_size = init_end - init_mem;
+        if (init_size) {
+                /* Make sure it is in the boot_mem_map */
+                int i, found;
+                found = 0;
+                for (i = 0; i < boot_mem_map.nr_map; i++) {
+                        if (init_mem >= boot_mem_map.map[i].addr &&
+                            init_mem < (boot_mem_map.map[i].addr +
+                                        boot_mem_map.map[i].size)) {
+                                found = 1;
+                                break;
+                        }
+                }
+                if (!found)
+                        add_memory_region(init_mem, init_size,
+                                          BOOT_MEM_INIT_RAM);
+        }
+
         pr_info("Determined physical RAM map:\n");
         print_memory_map();
 
@@ -523,6 +557,7 @@ static void __init resource_init(void)
                 res = alloc_bootmem(sizeof(struct resource));
                 switch (boot_mem_map.map[i].type) {
                 case BOOT_MEM_RAM:
+                case BOOT_MEM_INIT_RAM:
                 case BOOT_MEM_ROM_DATA:
                         res->name = "System RAM";
                         break;
diff --git a/arch/mips/kernel/smtc.c b/arch/mips/kernel/smtc.c
index f0895e70e283..0a42ff3ff6a1 100644
--- a/arch/mips/kernel/smtc.c
+++ b/arch/mips/kernel/smtc.c
@@ -559,7 +559,7 @@ void smtc_prepare_cpus(int cpus)
 
         pipi = kmalloc(nipi *sizeof(struct smtc_ipi), GFP_KERNEL);
         if (pipi == NULL)
-                panic("kmalloc of IPI message buffers failed\n");
+                panic("kmalloc of IPI message buffers failed");
         else
                 printk("IPI buffer pool of %d buffers\n", nipi);
         for (i = 0; i < nipi; i++) {
@@ -813,7 +813,7 @@ void smtc_send_ipi(int cpu, int type, unsigned int action)
         if (pipi == NULL) {
                 bust_spinlocks(1);
                 mips_mt_regdump(dvpe());
-                panic("IPI Msg. Buffers Depleted\n");
+                panic("IPI Msg. Buffers Depleted");
         }
         pipi->type = type;
         pipi->arg = (void *)action;
@@ -1130,7 +1130,7 @@ static void ipi_irq_dispatch(void)
 
 static struct irqaction irq_ipi = {
         .handler        = ipi_interrupt,
-        .flags          = IRQF_DISABLED | IRQF_PERCPU,
+        .flags          = IRQF_PERCPU,
         .name           = "SMTC_IPI"
 };
 
diff --git a/arch/mips/kernel/traps.c b/arch/mips/kernel/traps.c
index 5c8a49d55054..363c4764b818 100644
--- a/arch/mips/kernel/traps.c
+++ b/arch/mips/kernel/traps.c
@@ -400,7 +400,7 @@ void __noreturn die(const char *str, struct pt_regs *regs)
                 panic("Fatal exception in interrupt");
 
         if (panic_on_oops) {
-                printk(KERN_EMERG "Fatal exception: panic in 5 seconds\n");
+                printk(KERN_EMERG "Fatal exception: panic in 5 seconds");
                 ssleep(5);
                 panic("Fatal exception");
         }
@@ -1150,7 +1150,7 @@ asmlinkage void do_mt(struct pt_regs *regs)
 asmlinkage void do_dsp(struct pt_regs *regs)
 {
         if (cpu_has_dsp)
-                panic("Unexpected DSP exception\n");
+                panic("Unexpected DSP exception");
 
         force_sig(SIGILL, current);
 }