diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2011-05-19 18:07:31 -0700 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2011-05-19 18:07:31 -0700 |
commit | 13588209aa90d9c8e502750fc86160314555612f (patch) | |
tree | 91f5514aebf7244886070a6894c8e86c2b7ff4ce /arch/x86/include/asm | |
parent | ac2941f59a38eeb535e1f227a8f90d7fe6b7828b (diff) | |
parent | dc382fd5bcca7098a984705ed6ac880f539d068e (diff) | |
download | op-kernel-dev-13588209aa90d9c8e502750fc86160314555612f.zip op-kernel-dev-13588209aa90d9c8e502750fc86160314555612f.tar.gz |
Merge branch 'x86-mm-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'x86-mm-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: (50 commits)
x86, mm: Allow ZONE_DMA to be configurable
x86, NUMA: Trim numa meminfo with max_pfn in a separate loop
x86, NUMA: Rename setup_node_bootmem() to setup_node_data()
x86, NUMA: Enable emulation on 32bit too
x86, NUMA: Enable CONFIG_AMD_NUMA on 32bit too
x86, NUMA: Rename amdtopology_64.c to amdtopology.c
x86, NUMA: Make numa_init_array() static
x86, NUMA: Make 32bit use common NUMA init path
x86, NUMA: Initialize and use remap allocator from setup_node_bootmem()
x86-32, NUMA: Add @start and @end to init_alloc_remap()
x86, NUMA: Remove long 64bit assumption from numa.c
x86, NUMA: Enable build of generic NUMA init code on 32bit
x86, NUMA: Move NUMA init logic from numa_64.c to numa.c
x86-32, NUMA: Update numaq to use new NUMA init protocol
x86-32, NUMA: Replace srat_32.c with srat.c
x86-32, NUMA: implement temporary NUMA init shims
x86, NUMA: Move numa_nodes_parsed to numa.[hc]
x86-32, NUMA: Move get_memcfg_numa() into numa_32.c
x86, NUMA: make srat.c 32bit safe
x86, NUMA: rename srat_64.c to srat.c
...
Diffstat (limited to 'arch/x86/include/asm')
-rw-r--r-- | arch/x86/include/asm/acpi.h | 2 | ||||
-rw-r--r-- | arch/x86/include/asm/amd_nb.h | 1 | ||||
-rw-r--r-- | arch/x86/include/asm/apic.h | 9 | ||||
-rw-r--r-- | arch/x86/include/asm/cpufeature.h | 13 | ||||
-rw-r--r-- | arch/x86/include/asm/dma.h | 12 | ||||
-rw-r--r-- | arch/x86/include/asm/mmzone_32.h | 20 | ||||
-rw-r--r-- | arch/x86/include/asm/mmzone_64.h | 23 | ||||
-rw-r--r-- | arch/x86/include/asm/numa.h | 32 | ||||
-rw-r--r-- | arch/x86/include/asm/numa_32.h | 10 | ||||
-rw-r--r-- | arch/x86/include/asm/numa_64.h | 36 | ||||
-rw-r--r-- | arch/x86/include/asm/numaq.h | 7 | ||||
-rw-r--r-- | arch/x86/include/asm/percpu.h | 27 | ||||
-rw-r--r-- | arch/x86/include/asm/srat.h | 39 | ||||
-rw-r--r-- | arch/x86/include/asm/topology.h | 8 |
14 files changed, 77 insertions, 162 deletions
diff --git a/arch/x86/include/asm/acpi.h b/arch/x86/include/asm/acpi.h index 12e0e7d..416d865 100644 --- a/arch/x86/include/asm/acpi.h +++ b/arch/x86/include/asm/acpi.h @@ -183,8 +183,6 @@ static inline void disable_acpi(void) { } #define ARCH_HAS_POWER_INIT 1 -struct bootnode; - #ifdef CONFIG_ACPI_NUMA extern int acpi_numa; extern int x86_acpi_numa_init(void); diff --git a/arch/x86/include/asm/amd_nb.h b/arch/x86/include/asm/amd_nb.h index 3316822..67f87f2 100644 --- a/arch/x86/include/asm/amd_nb.h +++ b/arch/x86/include/asm/amd_nb.h @@ -11,7 +11,6 @@ struct amd_nb_bus_dev_range { extern const struct pci_device_id amd_nb_misc_ids[]; extern const struct amd_nb_bus_dev_range amd_nb_bus_dev_ranges[]; -struct bootnode; extern bool early_is_amd_nb(u32 value); extern int amd_cache_northbridges(void); diff --git a/arch/x86/include/asm/apic.h b/arch/x86/include/asm/apic.h index 2b7d573..a0c46f0 100644 --- a/arch/x86/include/asm/apic.h +++ b/arch/x86/include/asm/apic.h @@ -363,7 +363,12 @@ struct apic { */ int (*x86_32_early_logical_apicid)(int cpu); - /* determine CPU -> NUMA node mapping */ + /* + * Optional method called from setup_local_APIC() after logical + * apicid is guaranteed to be known to initialize apicid -> node + * mapping if NUMA initialization hasn't done so already. Don't + * add new users. + */ int (*x86_32_numa_cpu_node)(int cpu); #endif }; @@ -537,8 +542,6 @@ static inline int default_phys_pkg_id(int cpuid_apic, int index_msb) return cpuid_apic >> index_msb; } -extern int default_x86_32_numa_cpu_node(int cpu); - #endif static inline unsigned int diff --git a/arch/x86/include/asm/cpufeature.h b/arch/x86/include/asm/cpufeature.h index 7f2f7b1..30afb46 100644 --- a/arch/x86/include/asm/cpufeature.h +++ b/arch/x86/include/asm/cpufeature.h @@ -208,8 +208,7 @@ extern const char * const x86_power_flags[32]; #define test_cpu_cap(c, bit) \ test_bit(bit, (unsigned long *)((c)->x86_capability)) -#define cpu_has(c, bit) \ - (__builtin_constant_p(bit) && \ +#define REQUIRED_MASK_BIT_SET(bit) \ ( (((bit)>>5)==0 && (1UL<<((bit)&31) & REQUIRED_MASK0)) || \ (((bit)>>5)==1 && (1UL<<((bit)&31) & REQUIRED_MASK1)) || \ (((bit)>>5)==2 && (1UL<<((bit)&31) & REQUIRED_MASK2)) || \ @@ -219,10 +218,16 @@ extern const char * const x86_power_flags[32]; (((bit)>>5)==6 && (1UL<<((bit)&31) & REQUIRED_MASK6)) || \ (((bit)>>5)==7 && (1UL<<((bit)&31) & REQUIRED_MASK7)) || \ (((bit)>>5)==8 && (1UL<<((bit)&31) & REQUIRED_MASK8)) || \ - (((bit)>>5)==9 && (1UL<<((bit)&31) & REQUIRED_MASK9)) ) \ - ? 1 : \ + (((bit)>>5)==9 && (1UL<<((bit)&31) & REQUIRED_MASK9)) ) + +#define cpu_has(c, bit) \ + (__builtin_constant_p(bit) && REQUIRED_MASK_BIT_SET(bit) ? 1 : \ test_cpu_cap(c, bit)) +#define this_cpu_has(bit) \ + (__builtin_constant_p(bit) && REQUIRED_MASK_BIT_SET(bit) ? 1 : \ + x86_this_cpu_test_bit(bit, (unsigned long *)&cpu_info.x86_capability)) + #define boot_cpu_has(bit) cpu_has(&boot_cpu_data, bit) #define set_cpu_cap(c, bit) set_bit(bit, (unsigned long *)((c)->x86_capability)) diff --git a/arch/x86/include/asm/dma.h b/arch/x86/include/asm/dma.h index 057099e..0bdb0c5 100644 --- a/arch/x86/include/asm/dma.h +++ b/arch/x86/include/asm/dma.h @@ -69,22 +69,18 @@ #define MAX_DMA_CHANNELS 8 -#ifdef CONFIG_X86_32 - -/* The maximum address that we can perform a DMA transfer to on this platform */ -#define MAX_DMA_ADDRESS (PAGE_OFFSET + 0x1000000) - -#else - /* 16MB ISA DMA zone */ #define MAX_DMA_PFN ((16 * 1024 * 1024) >> PAGE_SHIFT) /* 4GB broken PCI/AGP hardware bus master zone */ #define MAX_DMA32_PFN ((4UL * 1024 * 1024 * 1024) >> PAGE_SHIFT) +#ifdef CONFIG_X86_32 +/* The maximum address that we can perform a DMA transfer to on this platform */ +#define MAX_DMA_ADDRESS (PAGE_OFFSET + 0x1000000) +#else /* Compat define for old dma zone */ #define MAX_DMA_ADDRESS ((unsigned long)__va(MAX_DMA_PFN << PAGE_SHIFT)) - #endif /* 8237 DMA controllers */ diff --git a/arch/x86/include/asm/mmzone_32.h b/arch/x86/include/asm/mmzone_32.h index 91df7c5..5e83a41 100644 --- a/arch/x86/include/asm/mmzone_32.h +++ b/arch/x86/include/asm/mmzone_32.h @@ -13,31 +13,11 @@ extern struct pglist_data *node_data[]; #define NODE_DATA(nid) (node_data[nid]) #include <asm/numaq.h> -/* summit or generic arch */ -#include <asm/srat.h> - -extern int get_memcfg_numa_flat(void); -/* - * This allows any one NUMA architecture to be compiled - * for, and still fall back to the flat function if it - * fails. - */ -static inline void get_memcfg_numa(void) -{ - - if (get_memcfg_numaq()) - return; - if (get_memcfg_from_srat()) - return; - get_memcfg_numa_flat(); -} extern void resume_map_numa_kva(pgd_t *pgd); #else /* !CONFIG_NUMA */ -#define get_memcfg_numa get_memcfg_numa_flat - static inline void resume_map_numa_kva(pgd_t *pgd) {} #endif /* CONFIG_NUMA */ diff --git a/arch/x86/include/asm/mmzone_64.h b/arch/x86/include/asm/mmzone_64.h index 288b96f..b3f88d7 100644 --- a/arch/x86/include/asm/mmzone_64.h +++ b/arch/x86/include/asm/mmzone_64.h @@ -4,36 +4,13 @@ #ifndef _ASM_X86_MMZONE_64_H #define _ASM_X86_MMZONE_64_H - #ifdef CONFIG_NUMA #include <linux/mmdebug.h> - #include <asm/smp.h> -/* Simple perfect hash to map physical addresses to node numbers */ -struct memnode { - int shift; - unsigned int mapsize; - s16 *map; - s16 embedded_map[64 - 8]; -} ____cacheline_aligned; /* total size = 128 bytes */ -extern struct memnode memnode; -#define memnode_shift memnode.shift -#define memnodemap memnode.map -#define memnodemapsize memnode.mapsize - extern struct pglist_data *node_data[]; -static inline __attribute__((pure)) int phys_to_nid(unsigned long addr) -{ - unsigned nid; - VIRTUAL_BUG_ON(!memnodemap); - nid = memnodemap[addr >> memnode_shift]; - VIRTUAL_BUG_ON(nid >= MAX_NUMNODES || !node_data[nid]); - return nid; -} - #define NODE_DATA(nid) (node_data[nid]) #define node_start_pfn(nid) (NODE_DATA(nid)->node_start_pfn) diff --git a/arch/x86/include/asm/numa.h b/arch/x86/include/asm/numa.h index a50fc9f..bfacd2c 100644 --- a/arch/x86/include/asm/numa.h +++ b/arch/x86/include/asm/numa.h @@ -1,12 +1,24 @@ #ifndef _ASM_X86_NUMA_H #define _ASM_X86_NUMA_H +#include <linux/nodemask.h> + #include <asm/topology.h> #include <asm/apicdef.h> #ifdef CONFIG_NUMA #define NR_NODE_MEMBLKS (MAX_NUMNODES*2) +#define ZONE_ALIGN (1UL << (MAX_ORDER+PAGE_SHIFT)) + +/* + * Too small node sizes may confuse the VM badly. Usually they + * result from BIOS bugs. So dont recognize nodes as standalone + * NUMA entities that have less than this amount of RAM listed: + */ +#define NODE_MIN_SIZE (4*1024*1024) + +extern int numa_off; /* * __apicid_to_node[] stores the raw mapping between physical apicid and @@ -17,15 +29,27 @@ * numa_cpu_node(). */ extern s16 __apicid_to_node[MAX_LOCAL_APIC]; +extern nodemask_t numa_nodes_parsed __initdata; + +extern int __init numa_add_memblk(int nodeid, u64 start, u64 end); +extern void __init numa_set_distance(int from, int to, int distance); static inline void set_apicid_to_node(int apicid, s16 node) { __apicid_to_node[apicid] = node; } + +extern int __cpuinit numa_cpu_node(int cpu); + #else /* CONFIG_NUMA */ static inline void set_apicid_to_node(int apicid, s16 node) { } + +static inline int numa_cpu_node(int cpu) +{ + return NUMA_NO_NODE; +} #endif /* CONFIG_NUMA */ #ifdef CONFIG_X86_32 @@ -37,14 +61,12 @@ static inline void set_apicid_to_node(int apicid, s16 node) #ifdef CONFIG_NUMA extern void __cpuinit numa_set_node(int cpu, int node); extern void __cpuinit numa_clear_node(int cpu); -extern void __init numa_init_array(void); extern void __init init_cpu_to_node(void); extern void __cpuinit numa_add_cpu(int cpu); extern void __cpuinit numa_remove_cpu(int cpu); #else /* CONFIG_NUMA */ static inline void numa_set_node(int cpu, int node) { } static inline void numa_clear_node(int cpu) { } -static inline void numa_init_array(void) { } static inline void init_cpu_to_node(void) { } static inline void numa_add_cpu(int cpu) { } static inline void numa_remove_cpu(int cpu) { } @@ -54,4 +76,10 @@ static inline void numa_remove_cpu(int cpu) { } void debug_cpumask_set_cpu(int cpu, int node, bool enable); #endif +#ifdef CONFIG_NUMA_EMU +#define FAKE_NODE_MIN_SIZE ((u64)32 << 20) +#define FAKE_NODE_MIN_HASH_MASK (~(FAKE_NODE_MIN_SIZE - 1UL)) +void numa_emu_cmdline(char *); +#endif /* CONFIG_NUMA_EMU */ + #endif /* _ASM_X86_NUMA_H */ diff --git a/arch/x86/include/asm/numa_32.h b/arch/x86/include/asm/numa_32.h index c6beed1e..e7d6b82 100644 --- a/arch/x86/include/asm/numa_32.h +++ b/arch/x86/include/asm/numa_32.h @@ -1,16 +1,6 @@ #ifndef _ASM_X86_NUMA_32_H #define _ASM_X86_NUMA_32_H -extern int numa_off; - -extern int pxm_to_nid(int pxm); - -#ifdef CONFIG_NUMA -extern int __cpuinit numa_cpu_node(int cpu); -#else /* CONFIG_NUMA */ -static inline int numa_cpu_node(int cpu) { return NUMA_NO_NODE; } -#endif /* CONFIG_NUMA */ - #ifdef CONFIG_HIGHMEM extern void set_highmem_pages_init(void); #else diff --git a/arch/x86/include/asm/numa_64.h b/arch/x86/include/asm/numa_64.h index 344eb17..0c05f7a 100644 --- a/arch/x86/include/asm/numa_64.h +++ b/arch/x86/include/asm/numa_64.h @@ -1,42 +1,6 @@ #ifndef _ASM_X86_NUMA_64_H #define _ASM_X86_NUMA_64_H -#include <linux/nodemask.h> - -struct bootnode { - u64 start; - u64 end; -}; - -#define ZONE_ALIGN (1UL << (MAX_ORDER+PAGE_SHIFT)) - -extern int numa_off; - extern unsigned long numa_free_all_bootmem(void); -extern void setup_node_bootmem(int nodeid, unsigned long start, - unsigned long end); - -#ifdef CONFIG_NUMA -/* - * Too small node sizes may confuse the VM badly. Usually they - * result from BIOS bugs. So dont recognize nodes as standalone - * NUMA entities that have less than this amount of RAM listed: - */ -#define NODE_MIN_SIZE (4*1024*1024) - -extern nodemask_t numa_nodes_parsed __initdata; - -extern int __cpuinit numa_cpu_node(int cpu); -extern int __init numa_add_memblk(int nodeid, u64 start, u64 end); -extern void __init numa_set_distance(int from, int to, int distance); - -#ifdef CONFIG_NUMA_EMU -#define FAKE_NODE_MIN_SIZE ((u64)32 << 20) -#define FAKE_NODE_MIN_HASH_MASK (~(FAKE_NODE_MIN_SIZE - 1UL)) -void numa_emu_cmdline(char *); -#endif /* CONFIG_NUMA_EMU */ -#else -static inline int numa_cpu_node(int cpu) { return NUMA_NO_NODE; } -#endif #endif /* _ASM_X86_NUMA_64_H */ diff --git a/arch/x86/include/asm/numaq.h b/arch/x86/include/asm/numaq.h index 37c5165..c3b3c32 100644 --- a/arch/x86/include/asm/numaq.h +++ b/arch/x86/include/asm/numaq.h @@ -29,7 +29,7 @@ #ifdef CONFIG_X86_NUMAQ extern int found_numaq; -extern int get_memcfg_numaq(void); +extern int numaq_numa_init(void); extern int pci_numaq_init(void); extern void *xquad_portio; @@ -166,11 +166,6 @@ struct sys_cfg_data { void numaq_tsc_disable(void); -#else -static inline int get_memcfg_numaq(void) -{ - return 0; -} #endif /* CONFIG_X86_NUMAQ */ #endif /* _ASM_X86_NUMAQ_H */ diff --git a/arch/x86/include/asm/percpu.h b/arch/x86/include/asm/percpu.h index 751e7f3..53278b0 100644 --- a/arch/x86/include/asm/percpu.h +++ b/arch/x86/include/asm/percpu.h @@ -542,6 +542,33 @@ do { \ old__; \ }) +static __always_inline int x86_this_cpu_constant_test_bit(unsigned int nr, + const unsigned long __percpu *addr) +{ + unsigned long __percpu *a = (unsigned long *)addr + nr / BITS_PER_LONG; + + return ((1UL << (nr % BITS_PER_LONG)) & percpu_read(*a)) != 0; +} + +static inline int x86_this_cpu_variable_test_bit(int nr, + const unsigned long __percpu *addr) +{ + int oldbit; + + asm volatile("bt "__percpu_arg(2)",%1\n\t" + "sbb %0,%0" + : "=r" (oldbit) + : "m" (*(unsigned long *)addr), "Ir" (nr)); + + return oldbit; +} + +#define x86_this_cpu_test_bit(nr, addr) \ + (__builtin_constant_p((nr)) \ + ? x86_this_cpu_constant_test_bit((nr), (addr)) \ + : x86_this_cpu_variable_test_bit((nr), (addr))) + + #include <asm-generic/percpu.h> /* We can use this directly for local CPU (faster). */ diff --git a/arch/x86/include/asm/srat.h b/arch/x86/include/asm/srat.h deleted file mode 100644 index b508d63..0000000 --- a/arch/x86/include/asm/srat.h +++ /dev/null @@ -1,39 +0,0 @@ -/* - * Some of the code in this file has been gleaned from the 64 bit - * discontigmem support code base. - * - * Copyright (C) 2002, IBM Corp. - * - * All rights reserved. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or - * NON INFRINGEMENT. See the GNU General Public License for more - * details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. - * - * Send feedback to Pat Gaughen <gone@us.ibm.com> - */ - -#ifndef _ASM_X86_SRAT_H -#define _ASM_X86_SRAT_H - -#ifdef CONFIG_ACPI_NUMA -extern int get_memcfg_from_srat(void); -#else -static inline int get_memcfg_from_srat(void) -{ - return 0; -} -#endif - -#endif /* _ASM_X86_SRAT_H */ diff --git a/arch/x86/include/asm/topology.h b/arch/x86/include/asm/topology.h index 910a708..c006924 100644 --- a/arch/x86/include/asm/topology.h +++ b/arch/x86/include/asm/topology.h @@ -93,19 +93,11 @@ extern void setup_node_to_cpumask_map(void); #define pcibus_to_node(bus) __pcibus_to_node(bus) #ifdef CONFIG_X86_32 -extern unsigned long node_start_pfn[]; -extern unsigned long node_end_pfn[]; -extern unsigned long node_remap_size[]; -#define node_has_online_mem(nid) (node_start_pfn[nid] != node_end_pfn[nid]) - # define SD_CACHE_NICE_TRIES 1 # define SD_IDLE_IDX 1 - #else - # define SD_CACHE_NICE_TRIES 2 # define SD_IDLE_IDX 2 - #endif /* sched_domains SD_NODE_INIT for NUMA machines */ |