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authorLinus Torvalds <torvalds@linux-foundation.org>2011-01-19 23:27:25 -0500
committerLinus Torvalds <torvalds@linux-foundation.org>2011-01-19 23:27:25 -0500
commit12fcdba1b7ae8b25696433f420b775aeb556d89b (patch)
tree2826a8e5ebce9296ae8a53f2eb35c49946aadeee /arch/x86
parent1268afe676ee9431a229fc68a2efb0dad4d5852f (diff)
parent9032160275ba018003ff390835ff8ed2b5b788b8 (diff)
Merge branch 'x86-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'x86-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: x86: Unify "numa=" command line option handling Revert "x86: Make relocatable kernel work with new binutils"
Diffstat (limited to 'arch/x86')
-rw-r--r--arch/x86/include/asm/numa_32.h2
-rw-r--r--arch/x86/include/asm/numa_64.h1
-rw-r--r--arch/x86/kernel/vmlinux.lds.S11
-rw-r--r--arch/x86/mm/numa.c22
-rw-r--r--arch/x86/mm/numa_64.c24
-rw-r--r--arch/x86/mm/srat_32.c1
6 files changed, 32 insertions, 29 deletions
diff --git a/arch/x86/include/asm/numa_32.h b/arch/x86/include/asm/numa_32.h
index a37229011b56..b0ef2b449a9d 100644
--- a/arch/x86/include/asm/numa_32.h
+++ b/arch/x86/include/asm/numa_32.h
@@ -1,6 +1,8 @@
1#ifndef _ASM_X86_NUMA_32_H 1#ifndef _ASM_X86_NUMA_32_H
2#define _ASM_X86_NUMA_32_H 2#define _ASM_X86_NUMA_32_H
3 3
4extern int numa_off;
5
4extern int pxm_to_nid(int pxm); 6extern int pxm_to_nid(int pxm);
5extern void numa_remove_cpu(int cpu); 7extern void numa_remove_cpu(int cpu);
6 8
diff --git a/arch/x86/include/asm/numa_64.h b/arch/x86/include/asm/numa_64.h
index 5ae87285a502..0493be39607c 100644
--- a/arch/x86/include/asm/numa_64.h
+++ b/arch/x86/include/asm/numa_64.h
@@ -40,6 +40,7 @@ extern void __cpuinit numa_remove_cpu(int cpu);
40#ifdef CONFIG_NUMA_EMU 40#ifdef CONFIG_NUMA_EMU
41#define FAKE_NODE_MIN_SIZE ((u64)32 << 20) 41#define FAKE_NODE_MIN_SIZE ((u64)32 << 20)
42#define FAKE_NODE_MIN_HASH_MASK (~(FAKE_NODE_MIN_SIZE - 1UL)) 42#define FAKE_NODE_MIN_HASH_MASK (~(FAKE_NODE_MIN_SIZE - 1UL))
43void numa_emu_cmdline(char *);
43#endif /* CONFIG_NUMA_EMU */ 44#endif /* CONFIG_NUMA_EMU */
44#else 45#else
45static inline void init_cpu_to_node(void) { } 46static inline void init_cpu_to_node(void) { }
diff --git a/arch/x86/kernel/vmlinux.lds.S b/arch/x86/kernel/vmlinux.lds.S
index b34ab80fddd5..bf4700755184 100644
--- a/arch/x86/kernel/vmlinux.lds.S
+++ b/arch/x86/kernel/vmlinux.lds.S
@@ -34,9 +34,11 @@ OUTPUT_FORMAT(CONFIG_OUTPUT_FORMAT, CONFIG_OUTPUT_FORMAT, CONFIG_OUTPUT_FORMAT)
34#ifdef CONFIG_X86_32 34#ifdef CONFIG_X86_32
35OUTPUT_ARCH(i386) 35OUTPUT_ARCH(i386)
36ENTRY(phys_startup_32) 36ENTRY(phys_startup_32)
37jiffies = jiffies_64;
37#else 38#else
38OUTPUT_ARCH(i386:x86-64) 39OUTPUT_ARCH(i386:x86-64)
39ENTRY(phys_startup_64) 40ENTRY(phys_startup_64)
41jiffies_64 = jiffies;
40#endif 42#endif
41 43
42#if defined(CONFIG_X86_64) && defined(CONFIG_DEBUG_RODATA) 44#if defined(CONFIG_X86_64) && defined(CONFIG_DEBUG_RODATA)
@@ -140,15 +142,6 @@ SECTIONS
140 CACHELINE_ALIGNED_DATA(L1_CACHE_BYTES) 142 CACHELINE_ALIGNED_DATA(L1_CACHE_BYTES)
141 143
142 DATA_DATA 144 DATA_DATA
143 /*
144 * Workaround a binutils (2.20.51.0.12 to 2.21.51.0.3) bug.
145 * This makes jiffies relocatable in such binutils
146 */
147#ifdef CONFIG_X86_32
148 jiffies = jiffies_64;
149#else
150 jiffies_64 = jiffies;
151#endif
152 CONSTRUCTORS 145 CONSTRUCTORS
153 146
154 /* rarely changed data like cpu maps */ 147 /* rarely changed data like cpu maps */
diff --git a/arch/x86/mm/numa.c b/arch/x86/mm/numa.c
index 787c52ca49c3..ebf6d7887a38 100644
--- a/arch/x86/mm/numa.c
+++ b/arch/x86/mm/numa.c
@@ -2,6 +2,28 @@
2#include <linux/topology.h> 2#include <linux/topology.h>
3#include <linux/module.h> 3#include <linux/module.h>
4#include <linux/bootmem.h> 4#include <linux/bootmem.h>
5#include <asm/numa.h>
6#include <asm/acpi.h>
7
8int __initdata numa_off;
9
10static __init int numa_setup(char *opt)
11{
12 if (!opt)
13 return -EINVAL;
14 if (!strncmp(opt, "off", 3))
15 numa_off = 1;
16#ifdef CONFIG_NUMA_EMU
17 if (!strncmp(opt, "fake=", 5))
18 numa_emu_cmdline(opt + 5);
19#endif
20#ifdef CONFIG_ACPI_NUMA
21 if (!strncmp(opt, "noacpi", 6))
22 acpi_numa = -1;
23#endif
24 return 0;
25}
26early_param("numa", numa_setup);
5 27
6/* 28/*
7 * Which logical CPUs are on which nodes 29 * Which logical CPUs are on which nodes
diff --git a/arch/x86/mm/numa_64.c b/arch/x86/mm/numa_64.c
index 1e72102e80c9..95ea1551eebc 100644
--- a/arch/x86/mm/numa_64.c
+++ b/arch/x86/mm/numa_64.c
@@ -30,7 +30,6 @@ s16 apicid_to_node[MAX_LOCAL_APIC] __cpuinitdata = {
30 [0 ... MAX_LOCAL_APIC-1] = NUMA_NO_NODE 30 [0 ... MAX_LOCAL_APIC-1] = NUMA_NO_NODE
31}; 31};
32 32
33int numa_off __initdata;
34static unsigned long __initdata nodemap_addr; 33static unsigned long __initdata nodemap_addr;
35static unsigned long __initdata nodemap_size; 34static unsigned long __initdata nodemap_size;
36 35
@@ -263,6 +262,11 @@ static struct bootnode nodes[MAX_NUMNODES] __initdata;
263static struct bootnode physnodes[MAX_NUMNODES] __cpuinitdata; 262static struct bootnode physnodes[MAX_NUMNODES] __cpuinitdata;
264static char *cmdline __initdata; 263static char *cmdline __initdata;
265 264
265void __init numa_emu_cmdline(char *str)
266{
267 cmdline = str;
268}
269
266static int __init setup_physnodes(unsigned long start, unsigned long end, 270static int __init setup_physnodes(unsigned long start, unsigned long end,
267 int acpi, int amd) 271 int acpi, int amd)
268{ 272{
@@ -670,24 +674,6 @@ unsigned long __init numa_free_all_bootmem(void)
670 return pages; 674 return pages;
671} 675}
672 676
673static __init int numa_setup(char *opt)
674{
675 if (!opt)
676 return -EINVAL;
677 if (!strncmp(opt, "off", 3))
678 numa_off = 1;
679#ifdef CONFIG_NUMA_EMU
680 if (!strncmp(opt, "fake=", 5))
681 cmdline = opt + 5;
682#endif
683#ifdef CONFIG_ACPI_NUMA
684 if (!strncmp(opt, "noacpi", 6))
685 acpi_numa = -1;
686#endif
687 return 0;
688}
689early_param("numa", numa_setup);
690
691#ifdef CONFIG_NUMA 677#ifdef CONFIG_NUMA
692 678
693static __init int find_near_online_node(int node) 679static __init int find_near_online_node(int node)
diff --git a/arch/x86/mm/srat_32.c b/arch/x86/mm/srat_32.c
index f16434568a51..ae96e7b8051d 100644
--- a/arch/x86/mm/srat_32.c
+++ b/arch/x86/mm/srat_32.c
@@ -59,7 +59,6 @@ static struct node_memory_chunk_s __initdata node_memory_chunk[MAXCHUNKS];
59static int __initdata num_memory_chunks; /* total number of memory chunks */ 59static int __initdata num_memory_chunks; /* total number of memory chunks */
60static u8 __initdata apicid_to_pxm[MAX_APICID]; 60static u8 __initdata apicid_to_pxm[MAX_APICID];
61 61
62int numa_off __initdata;
63int acpi_numa __initdata; 62int acpi_numa __initdata;
64 63
65static __init void bad_srat(void) 64static __init void bad_srat(void)