---

yaml
---
r: 136980
b: refs/heads/master
c: 13b2eda
h: refs/heads/master
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 9976b39b5031bbf76f715893cf080b6a17683881
+refs/heads/master: 13b2eda64d14d0a0c15c092664c7351ea58ea851

trunk/arch/alpha/mm/init.c

@@ -189,21 +189,9 @@ callback_init(void * kernel_end)
 
 	if (alpha_using_srm) {
 		static struct vm_struct console_remap_vm;
-		unsigned long nr_pages = 0;
-		unsigned long vaddr;
+		unsigned long vaddr = VMALLOC_START;
 		unsigned long i, j;
 
-		/* calculate needed size */
-		for (i = 0; i < crb->map_entries; ++i)
-			nr_pages += crb->map[i].count;
-
-		/* register the vm area */
-		console_remap_vm.flags = VM_ALLOC;
-		console_remap_vm.size = nr_pages << PAGE_SHIFT;
-		vm_area_register_early(&console_remap_vm, PAGE_SIZE);
-
-		vaddr = (unsigned long)console_remap_vm.addr;
-
 		/* Set up the third level PTEs and update the virtual
 		   addresses of the CRB entries.  */
 		for (i = 0; i < crb->map_entries; ++i) {
@@ -225,6 +213,12 @@ callback_init(void * kernel_end)
 				vaddr += PAGE_SIZE;
 			}
 		}
+
+		/* Let vmalloc know that we've allocated some space.  */
+		console_remap_vm.flags = VM_ALLOC;
+		console_remap_vm.addr = (void *) VMALLOC_START;
+		console_remap_vm.size = vaddr - VMALLOC_START;
+		vmlist = &console_remap_vm;
 	}
 
 	callback_init_done = 1;

trunk/arch/avr32/Kconfig

@@ -181,7 +181,7 @@ source "kernel/Kconfig.preempt"
 config QUICKLIST
 	def_bool y
 
-config HAVE_ARCH_BOOTMEM
+config HAVE_ARCH_BOOTMEM_NODE
 	def_bool n
 
 config ARCH_HAVE_MEMORY_PRESENT

trunk/arch/x86/Kconfig

@@ -135,9 +135,6 @@ config ARCH_HAS_CACHE_LINE_SIZE
 config HAVE_SETUP_PER_CPU_AREA
 	def_bool y
 
-config HAVE_DYNAMIC_PER_CPU_AREA
-	def_bool y
-
 config HAVE_CPUMASK_OF_CPU_MAP
 	def_bool X86_64_SMP
 
@@ -1125,7 +1122,7 @@ config NODES_SHIFT
 	  Specify the maximum number of NUMA Nodes available on the target
 	  system.  Increases memory reserved to accomodate various tables.
 
-config HAVE_ARCH_BOOTMEM
+config HAVE_ARCH_BOOTMEM_NODE
 	def_bool y
 	depends on X86_32 && NUMA
 

trunk/arch/x86/include/asm/cacheflush.h

@@ -5,43 +5,24 @@
 #include <linux/mm.h>
 
 /* Caches aren't brain-dead on the intel. */
-static inline void flush_cache_all(void) { }
-static inline void flush_cache_mm(struct mm_struct *mm) { }
-static inline void flush_cache_dup_mm(struct mm_struct *mm) { }
-static inline void flush_cache_range(struct vm_area_struct *vma,
-				     unsigned long start, unsigned long end) { }
-static inline void flush_cache_page(struct vm_area_struct *vma,
-				    unsigned long vmaddr, unsigned long pfn) { }
-static inline void flush_dcache_page(struct page *page) { }
-static inline void flush_dcache_mmap_lock(struct address_space *mapping) { }
-static inline void flush_dcache_mmap_unlock(struct address_space *mapping) { }
-static inline void flush_icache_range(unsigned long start,
-				      unsigned long end) { }
-static inline void flush_icache_page(struct vm_area_struct *vma,
-				     struct page *page) { }
-static inline void flush_icache_user_range(struct vm_area_struct *vma,
-					   struct page *page,
-					   unsigned long addr,
-					   unsigned long len) { }
-static inline void flush_cache_vmap(unsigned long start, unsigned long end) { }
-static inline void flush_cache_vunmap(unsigned long start,
-				      unsigned long end) { }
+#define flush_cache_all()			do { } while (0)
+#define flush_cache_mm(mm)			do { } while (0)
+#define flush_cache_dup_mm(mm)			do { } while (0)
+#define flush_cache_range(vma, start, end)	do { } while (0)
+#define flush_cache_page(vma, vmaddr, pfn)	do { } while (0)
+#define flush_dcache_page(page)			do { } while (0)
+#define flush_dcache_mmap_lock(mapping)		do { } while (0)
+#define flush_dcache_mmap_unlock(mapping)	do { } while (0)
+#define flush_icache_range(start, end)		do { } while (0)
+#define flush_icache_page(vma, pg)		do { } while (0)
+#define flush_icache_user_range(vma, pg, adr, len)	do { } while (0)
+#define flush_cache_vmap(start, end)		do { } while (0)
+#define flush_cache_vunmap(start, end)		do { } while (0)
 
-static inline void copy_to_user_page(struct vm_area_struct *vma,
-				     struct page *page, unsigned long vaddr,
-				     void *dst, const void *src,
-				     unsigned long len)
-{
-	memcpy(dst, src, len);
-}
-
-static inline void copy_from_user_page(struct vm_area_struct *vma,
-				       struct page *page, unsigned long vaddr,
-				       void *dst, const void *src,
-				       unsigned long len)
-{
-	memcpy(dst, src, len);
-}
+#define copy_to_user_page(vma, page, vaddr, dst, src, len)	\
+	memcpy((dst), (src), (len))
+#define copy_from_user_page(vma, page, vaddr, dst, src, len)	\
+	memcpy((dst), (src), (len))
 
 #define PG_non_WB				PG_arch_1
 PAGEFLAG(NonWB, non_WB)

trunk/arch/x86/include/asm/iomap.h

@@ -23,6 +23,9 @@
 #include <asm/pgtable.h>
 #include <asm/tlbflush.h>
 
+int
+is_io_mapping_possible(resource_size_t base, unsigned long size);
+
 void *
 iomap_atomic_prot_pfn(unsigned long pfn, enum km_type type, pgprot_t prot);
 

trunk/arch/x86/include/asm/mmzone_32.h

@@ -91,9 +91,46 @@ static inline int pfn_valid(int pfn)
 #endif /* CONFIG_DISCONTIGMEM */
 
 #ifdef CONFIG_NEED_MULTIPLE_NODES
-/* always use node 0 for bootmem on this numa platform */
-#define bootmem_arch_preferred_node(__bdata, size, align, goal, limit)	\
-	(NODE_DATA(0)->bdata)
+
+/*
+ * Following are macros that are specific to this numa platform.
+ */
+#define reserve_bootmem(addr, size, flags) \
+	reserve_bootmem_node(NODE_DATA(0), (addr), (size), (flags))
+#define alloc_bootmem(x) \
+	__alloc_bootmem_node(NODE_DATA(0), (x), SMP_CACHE_BYTES, __pa(MAX_DMA_ADDRESS))
+#define alloc_bootmem_nopanic(x) \
+	__alloc_bootmem_node_nopanic(NODE_DATA(0), (x), SMP_CACHE_BYTES, \
+				__pa(MAX_DMA_ADDRESS))
+#define alloc_bootmem_low(x) \
+	__alloc_bootmem_node(NODE_DATA(0), (x), SMP_CACHE_BYTES, 0)
+#define alloc_bootmem_pages(x) \
+	__alloc_bootmem_node(NODE_DATA(0), (x), PAGE_SIZE, __pa(MAX_DMA_ADDRESS))
+#define alloc_bootmem_pages_nopanic(x) \
+	__alloc_bootmem_node_nopanic(NODE_DATA(0), (x), PAGE_SIZE, \
+				__pa(MAX_DMA_ADDRESS))
+#define alloc_bootmem_low_pages(x) \
+	__alloc_bootmem_node(NODE_DATA(0), (x), PAGE_SIZE, 0)
+#define alloc_bootmem_node(pgdat, x)					\
+({									\
+	struct pglist_data  __maybe_unused			\
+				*__alloc_bootmem_node__pgdat = (pgdat);	\
+	__alloc_bootmem_node(NODE_DATA(0), (x), SMP_CACHE_BYTES,	\
+						__pa(MAX_DMA_ADDRESS));	\
+})
+#define alloc_bootmem_pages_node(pgdat, x)				\
+({									\
+	struct pglist_data  __maybe_unused			\
+				*__alloc_bootmem_node__pgdat = (pgdat);	\
+	__alloc_bootmem_node(NODE_DATA(0), (x), PAGE_SIZE,		\
+						__pa(MAX_DMA_ADDRESS));	\
+})
+#define alloc_bootmem_low_pages_node(pgdat, x)				\
+({									\
+	struct pglist_data  __maybe_unused			\
+				*__alloc_bootmem_node__pgdat = (pgdat);	\
+	__alloc_bootmem_node(NODE_DATA(0), (x), PAGE_SIZE, 0);		\
+})
 #endif /* CONFIG_NEED_MULTIPLE_NODES */
 
 #endif /* _ASM_X86_MMZONE_32_H */

trunk/arch/x86/include/asm/percpu.h

@@ -43,14 +43,6 @@
 #else /* ...!ASSEMBLY */
 
 #include <linux/stringify.h>
-#include <asm/sections.h>
-
-#define __addr_to_pcpu_ptr(addr)					\
-	(void *)((unsigned long)(addr) - (unsigned long)pcpu_base_addr	\
-		 + (unsigned long)__per_cpu_start)
-#define __pcpu_ptr_to_addr(ptr)						\
-	(void *)((unsigned long)(ptr) + (unsigned long)pcpu_base_addr	\
-		 - (unsigned long)__per_cpu_start)
 
 #ifdef CONFIG_SMP
 #define __percpu_arg(x)		"%%"__stringify(__percpu_seg)":%P" #x

trunk/arch/x86/include/asm/pgtable.h

@@ -288,8 +288,6 @@ static inline int is_new_memtype_allowed(unsigned long flags,
 	return 1;
 }
 
-pmd_t *populate_extra_pmd(unsigned long vaddr);
-pte_t *populate_extra_pte(unsigned long vaddr);
 #endif	/* __ASSEMBLY__ */
 
 #ifdef CONFIG_X86_32

trunk/arch/x86/include/asm/xen/page.h

@@ -164,7 +164,6 @@ static inline pte_t __pte_ma(pteval_t x)
 
 
 xmaddr_t arbitrary_virt_to_machine(void *address);
-unsigned long arbitrary_virt_to_mfn(void *vaddr);
 void make_lowmem_page_readonly(void *vaddr);
 void make_lowmem_page_readwrite(void *vaddr);
 

trunk/arch/x86/kernel/cpu/cpufreq/acpi-cpufreq.c

@@ -601,7 +601,7 @@ static int acpi_cpufreq_cpu_init(struct cpufreq_policy *policy)
 	if (!data)
 		return -ENOMEM;
 
-	data->acpi_data = per_cpu_ptr(acpi_perf_data, cpu);
+	data->acpi_data = percpu_ptr(acpi_perf_data, cpu);
 	per_cpu(drv_data, cpu) = data;
 
 	if (cpu_has(c, X86_FEATURE_CONSTANT_TSC))

trunk/arch/x86/kernel/irq_32.c

@@ -16,7 +16,6 @@
 #include <linux/cpu.h>
 #include <linux/delay.h>
 #include <linux/uaccess.h>
-#include <linux/percpu.h>
 
 #include <asm/apic.h>
 
@@ -56,13 +55,13 @@ static inline void print_stack_overflow(void) { }
 union irq_ctx {
 	struct thread_info      tinfo;
 	u32                     stack[THREAD_SIZE/sizeof(u32)];
-} __attribute__((aligned(PAGE_SIZE)));
+};
 
-static DEFINE_PER_CPU(union irq_ctx *, hardirq_ctx);
-static DEFINE_PER_CPU(union irq_ctx *, softirq_ctx);
+static union irq_ctx *hardirq_ctx[NR_CPUS] __read_mostly;
+static union irq_ctx *softirq_ctx[NR_CPUS] __read_mostly;
 
-static DEFINE_PER_CPU_PAGE_ALIGNED(union irq_ctx, hardirq_stack);
-static DEFINE_PER_CPU_PAGE_ALIGNED(union irq_ctx, softirq_stack);
+static char softirq_stack[NR_CPUS * THREAD_SIZE] __page_aligned_bss;
+static char hardirq_stack[NR_CPUS * THREAD_SIZE] __page_aligned_bss;
 
 static void call_on_stack(void *func, void *stack)
 {
@@ -82,7 +81,7 @@ execute_on_irq_stack(int overflow, struct irq_desc *desc, int irq)
 	u32 *isp, arg1, arg2;
 
 	curctx = (union irq_ctx *) current_thread_info();
-	irqctx = __get_cpu_var(hardirq_ctx);
+	irqctx = hardirq_ctx[smp_processor_id()];
 
 	/*
 	 * this is where we switch to the IRQ stack. However, if we are
@@ -126,34 +125,34 @@ void __cpuinit irq_ctx_init(int cpu)
 {
 	union irq_ctx *irqctx;
 
-	if (per_cpu(hardirq_ctx, cpu))
+	if (hardirq_ctx[cpu])
 		return;
 
-	irqctx = &per_cpu(hardirq_stack, cpu);
+	irqctx = (union irq_ctx*) &hardirq_stack[cpu*THREAD_SIZE];
 	irqctx->tinfo.task		= NULL;
 	irqctx->tinfo.exec_domain	= NULL;
 	irqctx->tinfo.cpu		= cpu;
 	irqctx->tinfo.preempt_count	= HARDIRQ_OFFSET;
 	irqctx->tinfo.addr_limit	= MAKE_MM_SEG(0);
 
-	per_cpu(hardirq_ctx, cpu) = irqctx;
+	hardirq_ctx[cpu] = irqctx;
 
-	irqctx = &per_cpu(softirq_stack, cpu);
+	irqctx = (union irq_ctx *) &softirq_stack[cpu*THREAD_SIZE];
 	irqctx->tinfo.task		= NULL;
 	irqctx->tinfo.exec_domain	= NULL;
 	irqctx->tinfo.cpu		= cpu;
 	irqctx->tinfo.preempt_count	= 0;
 	irqctx->tinfo.addr_limit	= MAKE_MM_SEG(0);
 
-	per_cpu(softirq_ctx, cpu) = irqctx;
+	softirq_ctx[cpu] = irqctx;
 
 	printk(KERN_DEBUG "CPU %u irqstacks, hard=%p soft=%p\n",
-	       cpu, per_cpu(hardirq_ctx, cpu),  per_cpu(softirq_ctx, cpu));
+	       cpu, hardirq_ctx[cpu], softirq_ctx[cpu]);
 }
 
 void irq_ctx_exit(int cpu)
 {
-	per_cpu(hardirq_ctx, cpu) = NULL;
+	hardirq_ctx[cpu] = NULL;
 }
 
 asmlinkage void do_softirq(void)
@@ -170,7 +169,7 @@ asmlinkage void do_softirq(void)
 
 	if (local_softirq_pending()) {
 		curctx = current_thread_info();
-		irqctx = __get_cpu_var(softirq_ctx);
+		irqctx = softirq_ctx[smp_processor_id()];
 		irqctx->tinfo.task = curctx->task;
 		irqctx->tinfo.previous_esp = current_stack_pointer;