Merge commit 'v2.6.34-rc2' into for-2.6.34

2 files changed, 12 insertions, 21 deletions

diff --git a/arch/blackfin/mm/isram-driver.c b/arch/blackfin/mm/isram-driver.c
index 84cdc5a1c13..9213e235788 100644
--- a/arch/blackfin/mm/isram-driver.c
+++ b/arch/blackfin/mm/isram-driver.c
@@ -62,7 +62,7 @@ static void isram_write(const void *addr, uint64_t data)
 	uint32_t cmd;
 	unsigned long flags;
 
-	if (addr >= (void *)(L1_CODE_START + L1_CODE_LENGTH))
+	if (unlikely(addr >= (void *)(L1_CODE_START + L1_CODE_LENGTH)))
 		return;
 
 	cmd = IADDR2DTEST(addr) | 2;             /* write */
@@ -93,7 +93,7 @@ static uint64_t isram_read(const void *addr)
 	unsigned long flags;
 	uint64_t ret;
 
-	if (addr > (void *)(L1_CODE_START + L1_CODE_LENGTH))
+	if (unlikely(addr > (void *)(L1_CODE_START + L1_CODE_LENGTH)))
 		return 0;
 
 	cmd = IADDR2DTEST(addr) | 0;              /* read */
@@ -120,7 +120,7 @@ static bool isram_check_addr(const void *addr, size_t n)
 {
 	if ((addr >= (void *)L1_CODE_START) &&
 	    (addr < (void *)(L1_CODE_START + L1_CODE_LENGTH))) {
-		if ((addr + n) > (void *)(L1_CODE_START + L1_CODE_LENGTH)) {
+		if (unlikely((addr + n) > (void *)(L1_CODE_START + L1_CODE_LENGTH))) {
 			show_stack(NULL, NULL);
 			pr_err("copy involving %p length (%zu) too long\n", addr, n);
 		}
diff --git a/arch/blackfin/mm/sram-alloc.c b/arch/blackfin/mm/sram-alloc.c
index f068c11ea98..5732da25ee2 100644
--- a/arch/blackfin/mm/sram-alloc.c
+++ b/arch/blackfin/mm/sram-alloc.c
@@ -402,7 +402,7 @@ void *l1_data_A_sram_alloc(size_t size)
 	void *addr;
 	unsigned int cpu;
 
-	cpu = get_cpu();
+	cpu = smp_processor_id();
 	/* add mutex operation */
 	spin_lock_irqsave(&per_cpu(l1_data_sram_lock, cpu), flags);
 
@@ -411,7 +411,6 @@ void *l1_data_A_sram_alloc(size_t size)
 
 	/* add mutex operation */
 	spin_unlock_irqrestore(&per_cpu(l1_data_sram_lock, cpu), flags);
-	put_cpu();
 
 	pr_debug("Allocated address in l1_data_A_sram_alloc is 0x%lx+0x%lx\n",
 		 (long unsigned int)addr, size);
@@ -430,7 +429,7 @@ int l1_data_A_sram_free(const void *addr)
 	int ret;
 	unsigned int cpu;
 
-	cpu = get_cpu();
+	cpu = smp_processor_id();
 	/* add mutex operation */
 	spin_lock_irqsave(&per_cpu(l1_data_sram_lock, cpu), flags);
 
@@ -439,7 +438,6 @@ int l1_data_A_sram_free(const void *addr)
 
 	/* add mutex operation */
 	spin_unlock_irqrestore(&per_cpu(l1_data_sram_lock, cpu), flags);
-	put_cpu();
 
 	return ret;
 #else
@@ -455,7 +453,7 @@ void *l1_data_B_sram_alloc(size_t size)
 	void *addr;
 	unsigned int cpu;
 
-	cpu = get_cpu();
+	cpu = smp_processor_id();
 	/* add mutex operation */
 	spin_lock_irqsave(&per_cpu(l1_data_sram_lock, cpu), flags);
 
@@ -464,7 +462,6 @@ void *l1_data_B_sram_alloc(size_t size)
 
 	/* add mutex operation */
 	spin_unlock_irqrestore(&per_cpu(l1_data_sram_lock, cpu), flags);
-	put_cpu();
 
 	pr_debug("Allocated address in l1_data_B_sram_alloc is 0x%lx+0x%lx\n",
 		 (long unsigned int)addr, size);
@@ -483,7 +480,7 @@ int l1_data_B_sram_free(const void *addr)
 	int ret;
 	unsigned int cpu;
 
-	cpu = get_cpu();
+	cpu = smp_processor_id();
 	/* add mutex operation */
 	spin_lock_irqsave(&per_cpu(l1_data_sram_lock, cpu), flags);
 
@@ -492,7 +489,6 @@ int l1_data_B_sram_free(const void *addr)
 
 	/* add mutex operation */
 	spin_unlock_irqrestore(&per_cpu(l1_data_sram_lock, cpu), flags);
-	put_cpu();
 
 	return ret;
 #else
@@ -540,7 +536,7 @@ void *l1_inst_sram_alloc(size_t size)
 	void *addr;
 	unsigned int cpu;
 
-	cpu = get_cpu();
+	cpu = smp_processor_id();
 	/* add mutex operation */
 	spin_lock_irqsave(&per_cpu(l1_inst_sram_lock, cpu), flags);
 
@@ -549,7 +545,6 @@ void *l1_inst_sram_alloc(size_t size)
 
 	/* add mutex operation */
 	spin_unlock_irqrestore(&per_cpu(l1_inst_sram_lock, cpu), flags);
-	put_cpu();
 
 	pr_debug("Allocated address in l1_inst_sram_alloc is 0x%lx+0x%lx\n",
 		 (long unsigned int)addr, size);
@@ -568,7 +563,7 @@ int l1_inst_sram_free(const void *addr)
 	int ret;
 	unsigned int cpu;
 
-	cpu = get_cpu();
+	cpu = smp_processor_id();
 	/* add mutex operation */
 	spin_lock_irqsave(&per_cpu(l1_inst_sram_lock, cpu), flags);
 
@@ -577,7 +572,6 @@ int l1_inst_sram_free(const void *addr)
 
 	/* add mutex operation */
 	spin_unlock_irqrestore(&per_cpu(l1_inst_sram_lock, cpu), flags);
-	put_cpu();
 
 	return ret;
 #else
@@ -593,7 +587,7 @@ void *l1sram_alloc(size_t size)
 	void *addr;
 	unsigned int cpu;
 
-	cpu = get_cpu();
+	cpu = smp_processor_id();
 	/* add mutex operation */
 	spin_lock_irqsave(&per_cpu(l1sram_lock, cpu), flags);
 
@@ -602,7 +596,6 @@ void *l1sram_alloc(size_t size)
 
 	/* add mutex operation */
 	spin_unlock_irqrestore(&per_cpu(l1sram_lock, cpu), flags);
-	put_cpu();
 
 	return addr;
 }
@@ -614,7 +607,7 @@ void *l1sram_alloc_max(size_t *psize)
 	void *addr;
 	unsigned int cpu;
 
-	cpu = get_cpu();
+	cpu = smp_processor_id();
 	/* add mutex operation */
 	spin_lock_irqsave(&per_cpu(l1sram_lock, cpu), flags);
 
@@ -623,7 +616,6 @@ void *l1sram_alloc_max(size_t *psize)
 
 	/* add mutex operation */
 	spin_unlock_irqrestore(&per_cpu(l1sram_lock, cpu), flags);
-	put_cpu();
 
 	return addr;
 }
@@ -635,7 +627,7 @@ int l1sram_free(const void *addr)
 	int ret;
 	unsigned int cpu;
 
-	cpu = get_cpu();
+	cpu = smp_processor_id();
 	/* add mutex operation */
 	spin_lock_irqsave(&per_cpu(l1sram_lock, cpu), flags);
 
@@ -644,7 +636,6 @@ int l1sram_free(const void *addr)
 
 	/* add mutex operation */
 	spin_unlock_irqrestore(&per_cpu(l1sram_lock, cpu), flags);
-	put_cpu();
 
 	return ret;
 }