diff options
Diffstat (limited to 'arch/i386/kernel')
-rw-r--r-- | arch/i386/kernel/Makefile | 2 | ||||
-rw-r--r-- | arch/i386/kernel/acpi/boot.c | 11 | ||||
-rw-r--r-- | arch/i386/kernel/apic.c | 23 | ||||
-rw-r--r-- | arch/i386/kernel/apm.c | 2 | ||||
-rw-r--r-- | arch/i386/kernel/cpu/amd.c | 4 | ||||
-rw-r--r-- | arch/i386/kernel/cpu/cpufreq/powernow-k8.c | 22 | ||||
-rw-r--r-- | arch/i386/kernel/cpuid.c | 2 | ||||
-rw-r--r-- | arch/i386/kernel/dmi_scan.c | 358 | ||||
-rw-r--r-- | arch/i386/kernel/i386_ksyms.c | 1 | ||||
-rw-r--r-- | arch/i386/kernel/kprobes.c | 18 | ||||
-rw-r--r-- | arch/i386/kernel/mpparse.c | 43 | ||||
-rw-r--r-- | arch/i386/kernel/msr.c | 2 | ||||
-rw-r--r-- | arch/i386/kernel/reboot_fixups.c | 2 | ||||
-rw-r--r-- | arch/i386/kernel/setup.c | 36 | ||||
-rw-r--r-- | arch/i386/kernel/syscall_table.S | 1 | ||||
-rw-r--r-- | arch/i386/kernel/traps.c | 16 |
16 files changed, 120 insertions, 423 deletions
diff --git a/arch/i386/kernel/Makefile b/arch/i386/kernel/Makefile index 5b9ed21216cf..96fb8a020af2 100644 --- a/arch/i386/kernel/Makefile +++ b/arch/i386/kernel/Makefile | |||
@@ -6,7 +6,7 @@ extra-y := head.o init_task.o vmlinux.lds | |||
6 | 6 | ||
7 | obj-y := process.o semaphore.o signal.o entry.o traps.o irq.o \ | 7 | obj-y := process.o semaphore.o signal.o entry.o traps.o irq.o \ |
8 | ptrace.o time.o ioport.o ldt.o setup.o i8259.o sys_i386.o \ | 8 | ptrace.o time.o ioport.o ldt.o setup.o i8259.o sys_i386.o \ |
9 | pci-dma.o i386_ksyms.o i387.o dmi_scan.o bootflag.o \ | 9 | pci-dma.o i386_ksyms.o i387.o bootflag.o \ |
10 | quirks.o i8237.o topology.o alternative.o | 10 | quirks.o i8237.o topology.o alternative.o |
11 | 11 | ||
12 | obj-y += cpu/ | 12 | obj-y += cpu/ |
diff --git a/arch/i386/kernel/acpi/boot.c b/arch/i386/kernel/acpi/boot.c index 033066176b3e..049a25583793 100644 --- a/arch/i386/kernel/acpi/boot.c +++ b/arch/i386/kernel/acpi/boot.c | |||
@@ -215,7 +215,7 @@ static int __init acpi_parse_madt(unsigned long phys_addr, unsigned long size) | |||
215 | { | 215 | { |
216 | struct acpi_table_madt *madt = NULL; | 216 | struct acpi_table_madt *madt = NULL; |
217 | 217 | ||
218 | if (!phys_addr || !size) | 218 | if (!phys_addr || !size || !cpu_has_apic) |
219 | return -EINVAL; | 219 | return -EINVAL; |
220 | 220 | ||
221 | madt = (struct acpi_table_madt *)__acpi_map_table(phys_addr, size); | 221 | madt = (struct acpi_table_madt *)__acpi_map_table(phys_addr, size); |
@@ -693,6 +693,9 @@ static int __init acpi_parse_madt_lapic_entries(void) | |||
693 | { | 693 | { |
694 | int count; | 694 | int count; |
695 | 695 | ||
696 | if (!cpu_has_apic) | ||
697 | return -ENODEV; | ||
698 | |||
696 | /* | 699 | /* |
697 | * Note that the LAPIC address is obtained from the MADT (32-bit value) | 700 | * Note that the LAPIC address is obtained from the MADT (32-bit value) |
698 | * and (optionally) overriden by a LAPIC_ADDR_OVR entry (64-bit value). | 701 | * and (optionally) overriden by a LAPIC_ADDR_OVR entry (64-bit value). |
@@ -751,6 +754,9 @@ static int __init acpi_parse_madt_ioapic_entries(void) | |||
751 | return -ENODEV; | 754 | return -ENODEV; |
752 | } | 755 | } |
753 | 756 | ||
757 | if (!cpu_has_apic) | ||
758 | return -ENODEV; | ||
759 | |||
754 | /* | 760 | /* |
755 | * if "noapic" boot option, don't look for IO-APICs | 761 | * if "noapic" boot option, don't look for IO-APICs |
756 | */ | 762 | */ |
@@ -1096,6 +1102,9 @@ int __init acpi_boot_table_init(void) | |||
1096 | dmi_check_system(acpi_dmi_table); | 1102 | dmi_check_system(acpi_dmi_table); |
1097 | #endif | 1103 | #endif |
1098 | 1104 | ||
1105 | if (!cpu_has_apic) | ||
1106 | return -ENODEV; | ||
1107 | |||
1099 | /* | 1108 | /* |
1100 | * If acpi_disabled, bail out | 1109 | * If acpi_disabled, bail out |
1101 | * One exception: acpi=ht continues far enough to enumerate LAPICs | 1110 | * One exception: acpi=ht continues far enough to enumerate LAPICs |
diff --git a/arch/i386/kernel/apic.c b/arch/i386/kernel/apic.c index 6273bf74c203..254cee9f0b7b 100644 --- a/arch/i386/kernel/apic.c +++ b/arch/i386/kernel/apic.c | |||
@@ -62,6 +62,18 @@ int apic_verbosity; | |||
62 | 62 | ||
63 | static void apic_pm_activate(void); | 63 | static void apic_pm_activate(void); |
64 | 64 | ||
65 | int modern_apic(void) | ||
66 | { | ||
67 | unsigned int lvr, version; | ||
68 | /* AMD systems use old APIC versions, so check the CPU */ | ||
69 | if (boot_cpu_data.x86_vendor == X86_VENDOR_AMD && | ||
70 | boot_cpu_data.x86 >= 0xf) | ||
71 | return 1; | ||
72 | lvr = apic_read(APIC_LVR); | ||
73 | version = GET_APIC_VERSION(lvr); | ||
74 | return version >= 0x14; | ||
75 | } | ||
76 | |||
65 | /* | 77 | /* |
66 | * 'what should we do if we get a hw irq event on an illegal vector'. | 78 | * 'what should we do if we get a hw irq event on an illegal vector'. |
67 | * each architecture has to answer this themselves. | 79 | * each architecture has to answer this themselves. |
@@ -119,10 +131,7 @@ void enable_NMI_through_LVT0 (void * dummy) | |||
119 | 131 | ||
120 | int get_physical_broadcast(void) | 132 | int get_physical_broadcast(void) |
121 | { | 133 | { |
122 | unsigned int lvr, version; | 134 | if (modern_apic()) |
123 | lvr = apic_read(APIC_LVR); | ||
124 | version = GET_APIC_VERSION(lvr); | ||
125 | if (!APIC_INTEGRATED(version) || version >= 0x14) | ||
126 | return 0xff; | 135 | return 0xff; |
127 | else | 136 | else |
128 | return 0xf; | 137 | return 0xf; |
@@ -349,9 +358,9 @@ int __init verify_local_APIC(void) | |||
349 | 358 | ||
350 | void __init sync_Arb_IDs(void) | 359 | void __init sync_Arb_IDs(void) |
351 | { | 360 | { |
352 | /* Unsupported on P4 - see Intel Dev. Manual Vol. 3, Ch. 8.6.1 */ | 361 | /* Unsupported on P4 - see Intel Dev. Manual Vol. 3, Ch. 8.6.1 |
353 | unsigned int ver = GET_APIC_VERSION(apic_read(APIC_LVR)); | 362 | And not needed on AMD */ |
354 | if (ver >= 0x14) /* P4 or higher */ | 363 | if (modern_apic()) |
355 | return; | 364 | return; |
356 | /* | 365 | /* |
357 | * Wait for idle. | 366 | * Wait for idle. |
diff --git a/arch/i386/kernel/apm.c b/arch/i386/kernel/apm.c index da30a374dd4e..df0e1745f189 100644 --- a/arch/i386/kernel/apm.c +++ b/arch/i386/kernel/apm.c | |||
@@ -1079,7 +1079,7 @@ static int apm_console_blank(int blank) | |||
1079 | break; | 1079 | break; |
1080 | } | 1080 | } |
1081 | 1081 | ||
1082 | if (error == APM_NOT_ENGAGED && state != APM_STATE_READY) { | 1082 | if (error == APM_NOT_ENGAGED) { |
1083 | static int tried; | 1083 | static int tried; |
1084 | int eng_error; | 1084 | int eng_error; |
1085 | if (tried++ == 0) { | 1085 | if (tried++ == 0) { |
diff --git a/arch/i386/kernel/cpu/amd.c b/arch/i386/kernel/cpu/amd.c index 0810f81f2a05..786d1a57048b 100644 --- a/arch/i386/kernel/cpu/amd.c +++ b/arch/i386/kernel/cpu/amd.c | |||
@@ -207,13 +207,13 @@ static void __init init_amd(struct cpuinfo_x86 *c) | |||
207 | set_bit(X86_FEATURE_K7, c->x86_capability); | 207 | set_bit(X86_FEATURE_K7, c->x86_capability); |
208 | break; | 208 | break; |
209 | } | 209 | } |
210 | if (c->x86 >= 6) | ||
211 | set_bit(X86_FEATURE_FXSAVE_LEAK, c->x86_capability); | ||
210 | 212 | ||
211 | display_cacheinfo(c); | 213 | display_cacheinfo(c); |
212 | 214 | ||
213 | if (cpuid_eax(0x80000000) >= 0x80000008) { | 215 | if (cpuid_eax(0x80000000) >= 0x80000008) { |
214 | c->x86_max_cores = (cpuid_ecx(0x80000008) & 0xff) + 1; | 216 | c->x86_max_cores = (cpuid_ecx(0x80000008) & 0xff) + 1; |
215 | if (c->x86_max_cores & (c->x86_max_cores - 1)) | ||
216 | c->x86_max_cores = 1; | ||
217 | } | 217 | } |
218 | 218 | ||
219 | if (cpuid_eax(0x80000000) >= 0x80000007) { | 219 | if (cpuid_eax(0x80000000) >= 0x80000007) { |
diff --git a/arch/i386/kernel/cpu/cpufreq/powernow-k8.c b/arch/i386/kernel/cpu/cpufreq/powernow-k8.c index 712a26bd4457..71fffa174425 100644 --- a/arch/i386/kernel/cpu/cpufreq/powernow-k8.c +++ b/arch/i386/kernel/cpu/cpufreq/powernow-k8.c | |||
@@ -46,7 +46,7 @@ | |||
46 | 46 | ||
47 | #define PFX "powernow-k8: " | 47 | #define PFX "powernow-k8: " |
48 | #define BFX PFX "BIOS error: " | 48 | #define BFX PFX "BIOS error: " |
49 | #define VERSION "version 1.60.1" | 49 | #define VERSION "version 1.60.2" |
50 | #include "powernow-k8.h" | 50 | #include "powernow-k8.h" |
51 | 51 | ||
52 | /* serialize freq changes */ | 52 | /* serialize freq changes */ |
@@ -55,7 +55,7 @@ static DEFINE_MUTEX(fidvid_mutex); | |||
55 | static struct powernow_k8_data *powernow_data[NR_CPUS]; | 55 | static struct powernow_k8_data *powernow_data[NR_CPUS]; |
56 | 56 | ||
57 | #ifndef CONFIG_SMP | 57 | #ifndef CONFIG_SMP |
58 | static cpumask_t cpu_core_map[1] = { CPU_MASK_ALL }; | 58 | static cpumask_t cpu_core_map[1]; |
59 | #endif | 59 | #endif |
60 | 60 | ||
61 | /* Return a frequency in MHz, given an input fid */ | 61 | /* Return a frequency in MHz, given an input fid */ |
@@ -905,11 +905,17 @@ static int powernowk8_target(struct cpufreq_policy *pol, unsigned targfreq, unsi | |||
905 | { | 905 | { |
906 | cpumask_t oldmask = CPU_MASK_ALL; | 906 | cpumask_t oldmask = CPU_MASK_ALL; |
907 | struct powernow_k8_data *data = powernow_data[pol->cpu]; | 907 | struct powernow_k8_data *data = powernow_data[pol->cpu]; |
908 | u32 checkfid = data->currfid; | 908 | u32 checkfid; |
909 | u32 checkvid = data->currvid; | 909 | u32 checkvid; |
910 | unsigned int newstate; | 910 | unsigned int newstate; |
911 | int ret = -EIO; | 911 | int ret = -EIO; |
912 | 912 | ||
913 | if (!data) | ||
914 | return -EINVAL; | ||
915 | |||
916 | checkfid = data->currfid; | ||
917 | checkvid = data->currvid; | ||
918 | |||
913 | /* only run on specific CPU from here on */ | 919 | /* only run on specific CPU from here on */ |
914 | oldmask = current->cpus_allowed; | 920 | oldmask = current->cpus_allowed; |
915 | set_cpus_allowed(current, cpumask_of_cpu(pol->cpu)); | 921 | set_cpus_allowed(current, cpumask_of_cpu(pol->cpu)); |
@@ -969,6 +975,9 @@ static int powernowk8_verify(struct cpufreq_policy *pol) | |||
969 | { | 975 | { |
970 | struct powernow_k8_data *data = powernow_data[pol->cpu]; | 976 | struct powernow_k8_data *data = powernow_data[pol->cpu]; |
971 | 977 | ||
978 | if (!data) | ||
979 | return -EINVAL; | ||
980 | |||
972 | return cpufreq_frequency_table_verify(pol, data->powernow_table); | 981 | return cpufreq_frequency_table_verify(pol, data->powernow_table); |
973 | } | 982 | } |
974 | 983 | ||
@@ -977,7 +986,7 @@ static int __cpuinit powernowk8_cpu_init(struct cpufreq_policy *pol) | |||
977 | { | 986 | { |
978 | struct powernow_k8_data *data; | 987 | struct powernow_k8_data *data; |
979 | cpumask_t oldmask = CPU_MASK_ALL; | 988 | cpumask_t oldmask = CPU_MASK_ALL; |
980 | int rc, i; | 989 | int rc; |
981 | 990 | ||
982 | if (!cpu_online(pol->cpu)) | 991 | if (!cpu_online(pol->cpu)) |
983 | return -ENODEV; | 992 | return -ENODEV; |
@@ -1063,8 +1072,7 @@ static int __cpuinit powernowk8_cpu_init(struct cpufreq_policy *pol) | |||
1063 | printk("cpu_init done, current fid 0x%x, vid 0x%x\n", | 1072 | printk("cpu_init done, current fid 0x%x, vid 0x%x\n", |
1064 | data->currfid, data->currvid); | 1073 | data->currfid, data->currvid); |
1065 | 1074 | ||
1066 | for_each_cpu_mask(i, cpu_core_map[pol->cpu]) | 1075 | powernow_data[pol->cpu] = data; |
1067 | powernow_data[i] = data; | ||
1068 | 1076 | ||
1069 | return 0; | 1077 | return 0; |
1070 | 1078 | ||
diff --git a/arch/i386/kernel/cpuid.c b/arch/i386/kernel/cpuid.c index 006141d1c12a..1d9a4abcdfc7 100644 --- a/arch/i386/kernel/cpuid.c +++ b/arch/i386/kernel/cpuid.c | |||
@@ -168,7 +168,7 @@ static int cpuid_class_device_create(int i) | |||
168 | return err; | 168 | return err; |
169 | } | 169 | } |
170 | 170 | ||
171 | static int __devinit cpuid_class_cpu_callback(struct notifier_block *nfb, unsigned long action, void *hcpu) | 171 | static int cpuid_class_cpu_callback(struct notifier_block *nfb, unsigned long action, void *hcpu) |
172 | { | 172 | { |
173 | unsigned int cpu = (unsigned long)hcpu; | 173 | unsigned int cpu = (unsigned long)hcpu; |
174 | 174 | ||
diff --git a/arch/i386/kernel/dmi_scan.c b/arch/i386/kernel/dmi_scan.c deleted file mode 100644 index 5efceebc48dc..000000000000 --- a/arch/i386/kernel/dmi_scan.c +++ /dev/null | |||
@@ -1,358 +0,0 @@ | |||
1 | #include <linux/types.h> | ||
2 | #include <linux/string.h> | ||
3 | #include <linux/init.h> | ||
4 | #include <linux/module.h> | ||
5 | #include <linux/dmi.h> | ||
6 | #include <linux/efi.h> | ||
7 | #include <linux/bootmem.h> | ||
8 | #include <linux/slab.h> | ||
9 | #include <asm/dmi.h> | ||
10 | |||
11 | static char * __init dmi_string(struct dmi_header *dm, u8 s) | ||
12 | { | ||
13 | u8 *bp = ((u8 *) dm) + dm->length; | ||
14 | char *str = ""; | ||
15 | |||
16 | if (s) { | ||
17 | s--; | ||
18 | while (s > 0 && *bp) { | ||
19 | bp += strlen(bp) + 1; | ||
20 | s--; | ||
21 | } | ||
22 | |||
23 | if (*bp != 0) { | ||
24 | str = dmi_alloc(strlen(bp) + 1); | ||
25 | if (str != NULL) | ||
26 | strcpy(str, bp); | ||
27 | else | ||
28 | printk(KERN_ERR "dmi_string: out of memory.\n"); | ||
29 | } | ||
30 | } | ||
31 | |||
32 | return str; | ||
33 | } | ||
34 | |||
35 | /* | ||
36 | * We have to be cautious here. We have seen BIOSes with DMI pointers | ||
37 | * pointing to completely the wrong place for example | ||
38 | */ | ||
39 | static int __init dmi_table(u32 base, int len, int num, | ||
40 | void (*decode)(struct dmi_header *)) | ||
41 | { | ||
42 | u8 *buf, *data; | ||
43 | int i = 0; | ||
44 | |||
45 | buf = dmi_ioremap(base, len); | ||
46 | if (buf == NULL) | ||
47 | return -1; | ||
48 | |||
49 | data = buf; | ||
50 | |||
51 | /* | ||
52 | * Stop when we see all the items the table claimed to have | ||
53 | * OR we run off the end of the table (also happens) | ||
54 | */ | ||
55 | while ((i < num) && (data - buf + sizeof(struct dmi_header)) <= len) { | ||
56 | struct dmi_header *dm = (struct dmi_header *)data; | ||
57 | /* | ||
58 | * We want to know the total length (formated area and strings) | ||
59 | * before decoding to make sure we won't run off the table in | ||
60 | * dmi_decode or dmi_string | ||
61 | */ | ||
62 | data += dm->length; | ||
63 | while ((data - buf < len - 1) && (data[0] || data[1])) | ||
64 | data++; | ||
65 | if (data - buf < len - 1) | ||
66 | decode(dm); | ||
67 | data += 2; | ||
68 | i++; | ||
69 | } | ||
70 | dmi_iounmap(buf, len); | ||
71 | return 0; | ||
72 | } | ||
73 | |||
74 | static int __init dmi_checksum(u8 *buf) | ||
75 | { | ||
76 | u8 sum = 0; | ||
77 | int a; | ||
78 | |||
79 | for (a = 0; a < 15; a++) | ||
80 | sum += buf[a]; | ||
81 | |||
82 | return sum == 0; | ||
83 | } | ||
84 | |||
85 | static char *dmi_ident[DMI_STRING_MAX]; | ||
86 | static LIST_HEAD(dmi_devices); | ||
87 | |||
88 | /* | ||
89 | * Save a DMI string | ||
90 | */ | ||
91 | static void __init dmi_save_ident(struct dmi_header *dm, int slot, int string) | ||
92 | { | ||
93 | char *p, *d = (char*) dm; | ||
94 | |||
95 | if (dmi_ident[slot]) | ||
96 | return; | ||
97 | |||
98 | p = dmi_string(dm, d[string]); | ||
99 | if (p == NULL) | ||
100 | return; | ||
101 | |||
102 | dmi_ident[slot] = p; | ||
103 | } | ||
104 | |||
105 | static void __init dmi_save_devices(struct dmi_header *dm) | ||
106 | { | ||
107 | int i, count = (dm->length - sizeof(struct dmi_header)) / 2; | ||
108 | struct dmi_device *dev; | ||
109 | |||
110 | for (i = 0; i < count; i++) { | ||
111 | char *d = (char *)(dm + 1) + (i * 2); | ||
112 | |||
113 | /* Skip disabled device */ | ||
114 | if ((*d & 0x80) == 0) | ||
115 | continue; | ||
116 | |||
117 | dev = dmi_alloc(sizeof(*dev)); | ||
118 | if (!dev) { | ||
119 | printk(KERN_ERR "dmi_save_devices: out of memory.\n"); | ||
120 | break; | ||
121 | } | ||
122 | |||
123 | dev->type = *d++ & 0x7f; | ||
124 | dev->name = dmi_string(dm, *d); | ||
125 | dev->device_data = NULL; | ||
126 | |||
127 | list_add(&dev->list, &dmi_devices); | ||
128 | } | ||
129 | } | ||
130 | |||
131 | static void __init dmi_save_ipmi_device(struct dmi_header *dm) | ||
132 | { | ||
133 | struct dmi_device *dev; | ||
134 | void * data; | ||
135 | |||
136 | data = dmi_alloc(dm->length); | ||
137 | if (data == NULL) { | ||
138 | printk(KERN_ERR "dmi_save_ipmi_device: out of memory.\n"); | ||
139 | return; | ||
140 | } | ||
141 | |||
142 | memcpy(data, dm, dm->length); | ||
143 | |||
144 | dev = dmi_alloc(sizeof(*dev)); | ||
145 | if (!dev) { | ||
146 | printk(KERN_ERR "dmi_save_ipmi_device: out of memory.\n"); | ||
147 | return; | ||
148 | } | ||
149 | |||
150 | dev->type = DMI_DEV_TYPE_IPMI; | ||
151 | dev->name = "IPMI controller"; | ||
152 | dev->device_data = data; | ||
153 | |||
154 | list_add(&dev->list, &dmi_devices); | ||
155 | } | ||
156 | |||
157 | /* | ||
158 | * Process a DMI table entry. Right now all we care about are the BIOS | ||
159 | * and machine entries. For 2.5 we should pull the smbus controller info | ||
160 | * out of here. | ||
161 | */ | ||
162 | static void __init dmi_decode(struct dmi_header *dm) | ||
163 | { | ||
164 | switch(dm->type) { | ||
165 | case 0: /* BIOS Information */ | ||
166 | dmi_save_ident(dm, DMI_BIOS_VENDOR, 4); | ||
167 | dmi_save_ident(dm, DMI_BIOS_VERSION, 5); | ||
168 | dmi_save_ident(dm, DMI_BIOS_DATE, 8); | ||
169 | break; | ||
170 | case 1: /* System Information */ | ||
171 | dmi_save_ident(dm, DMI_SYS_VENDOR, 4); | ||
172 | dmi_save_ident(dm, DMI_PRODUCT_NAME, 5); | ||
173 | dmi_save_ident(dm, DMI_PRODUCT_VERSION, 6); | ||
174 | dmi_save_ident(dm, DMI_PRODUCT_SERIAL, 7); | ||
175 | break; | ||
176 | case 2: /* Base Board Information */ | ||
177 | dmi_save_ident(dm, DMI_BOARD_VENDOR, 4); | ||
178 | dmi_save_ident(dm, DMI_BOARD_NAME, 5); | ||
179 | dmi_save_ident(dm, DMI_BOARD_VERSION, 6); | ||
180 | break; | ||
181 | case 10: /* Onboard Devices Information */ | ||
182 | dmi_save_devices(dm); | ||
183 | break; | ||
184 | case 38: /* IPMI Device Information */ | ||
185 | dmi_save_ipmi_device(dm); | ||
186 | } | ||
187 | } | ||
188 | |||
189 | static int __init dmi_present(char __iomem *p) | ||
190 | { | ||
191 | u8 buf[15]; | ||
192 | memcpy_fromio(buf, p, 15); | ||
193 | if ((memcmp(buf, "_DMI_", 5) == 0) && dmi_checksum(buf)) { | ||
194 | u16 num = (buf[13] << 8) | buf[12]; | ||
195 | u16 len = (buf[7] << 8) | buf[6]; | ||
196 | u32 base = (buf[11] << 24) | (buf[10] << 16) | | ||
197 | (buf[9] << 8) | buf[8]; | ||
198 | |||
199 | /* | ||
200 | * DMI version 0.0 means that the real version is taken from | ||
201 | * the SMBIOS version, which we don't know at this point. | ||
202 | */ | ||
203 | if (buf[14] != 0) | ||
204 | printk(KERN_INFO "DMI %d.%d present.\n", | ||
205 | buf[14] >> 4, buf[14] & 0xF); | ||
206 | else | ||
207 | printk(KERN_INFO "DMI present.\n"); | ||
208 | if (dmi_table(base,len, num, dmi_decode) == 0) | ||
209 | return 0; | ||
210 | } | ||
211 | return 1; | ||
212 | } | ||
213 | |||
214 | void __init dmi_scan_machine(void) | ||
215 | { | ||
216 | char __iomem *p, *q; | ||
217 | int rc; | ||
218 | |||
219 | if (efi_enabled) { | ||
220 | if (efi.smbios == EFI_INVALID_TABLE_ADDR) | ||
221 | goto out; | ||
222 | |||
223 | /* This is called as a core_initcall() because it isn't | ||
224 | * needed during early boot. This also means we can | ||
225 | * iounmap the space when we're done with it. | ||
226 | */ | ||
227 | p = dmi_ioremap(efi.smbios, 32); | ||
228 | if (p == NULL) | ||
229 | goto out; | ||
230 | |||
231 | rc = dmi_present(p + 0x10); /* offset of _DMI_ string */ | ||
232 | dmi_iounmap(p, 32); | ||
233 | if (!rc) | ||
234 | return; | ||
235 | } | ||
236 | else { | ||
237 | /* | ||
238 | * no iounmap() for that ioremap(); it would be a no-op, but | ||
239 | * it's so early in setup that sucker gets confused into doing | ||
240 | * what it shouldn't if we actually call it. | ||
241 | */ | ||
242 | p = dmi_ioremap(0xF0000, 0x10000); | ||
243 | if (p == NULL) | ||
244 | goto out; | ||
245 | |||
246 | for (q = p; q < p + 0x10000; q += 16) { | ||
247 | rc = dmi_present(q); | ||
248 | if (!rc) | ||
249 | return; | ||
250 | } | ||
251 | } | ||
252 | out: printk(KERN_INFO "DMI not present or invalid.\n"); | ||
253 | } | ||
254 | |||
255 | /** | ||
256 | * dmi_check_system - check system DMI data | ||
257 | * @list: array of dmi_system_id structures to match against | ||
258 | * | ||
259 | * Walk the blacklist table running matching functions until someone | ||
260 | * returns non zero or we hit the end. Callback function is called for | ||
261 | * each successfull match. Returns the number of matches. | ||
262 | */ | ||
263 | int dmi_check_system(struct dmi_system_id *list) | ||
264 | { | ||
265 | int i, count = 0; | ||
266 | struct dmi_system_id *d = list; | ||
267 | |||
268 | while (d->ident) { | ||
269 | for (i = 0; i < ARRAY_SIZE(d->matches); i++) { | ||
270 | int s = d->matches[i].slot; | ||
271 | if (s == DMI_NONE) | ||
272 | continue; | ||
273 | if (dmi_ident[s] && strstr(dmi_ident[s], d->matches[i].substr)) | ||
274 | continue; | ||
275 | /* No match */ | ||
276 | goto fail; | ||
277 | } | ||
278 | count++; | ||
279 | if (d->callback && d->callback(d)) | ||
280 | break; | ||
281 | fail: d++; | ||
282 | } | ||
283 | |||
284 | return count; | ||
285 | } | ||
286 | EXPORT_SYMBOL(dmi_check_system); | ||
287 | |||
288 | /** | ||
289 | * dmi_get_system_info - return DMI data value | ||
290 | * @field: data index (see enum dmi_filed) | ||
291 | * | ||
292 | * Returns one DMI data value, can be used to perform | ||
293 | * complex DMI data checks. | ||
294 | */ | ||
295 | char *dmi_get_system_info(int field) | ||
296 | { | ||
297 | return dmi_ident[field]; | ||
298 | } | ||
299 | EXPORT_SYMBOL(dmi_get_system_info); | ||
300 | |||
301 | /** | ||
302 | * dmi_find_device - find onboard device by type/name | ||
303 | * @type: device type or %DMI_DEV_TYPE_ANY to match all device types | ||
304 | * @desc: device name string or %NULL to match all | ||
305 | * @from: previous device found in search, or %NULL for new search. | ||
306 | * | ||
307 | * Iterates through the list of known onboard devices. If a device is | ||
308 | * found with a matching @vendor and @device, a pointer to its device | ||
309 | * structure is returned. Otherwise, %NULL is returned. | ||
310 | * A new search is initiated by passing %NULL to the @from argument. | ||
311 | * If @from is not %NULL, searches continue from next device. | ||
312 | */ | ||
313 | struct dmi_device * dmi_find_device(int type, const char *name, | ||
314 | struct dmi_device *from) | ||
315 | { | ||
316 | struct list_head *d, *head = from ? &from->list : &dmi_devices; | ||
317 | |||
318 | for(d = head->next; d != &dmi_devices; d = d->next) { | ||
319 | struct dmi_device *dev = list_entry(d, struct dmi_device, list); | ||
320 | |||
321 | if (((type == DMI_DEV_TYPE_ANY) || (dev->type == type)) && | ||
322 | ((name == NULL) || (strcmp(dev->name, name) == 0))) | ||
323 | return dev; | ||
324 | } | ||
325 | |||
326 | return NULL; | ||
327 | } | ||
328 | EXPORT_SYMBOL(dmi_find_device); | ||
329 | |||
330 | /** | ||
331 | * dmi_get_year - Return year of a DMI date | ||
332 | * @field: data index (like dmi_get_system_info) | ||
333 | * | ||
334 | * Returns -1 when the field doesn't exist. 0 when it is broken. | ||
335 | */ | ||
336 | int dmi_get_year(int field) | ||
337 | { | ||
338 | int year; | ||
339 | char *s = dmi_get_system_info(field); | ||
340 | |||
341 | if (!s) | ||
342 | return -1; | ||
343 | if (*s == '\0') | ||
344 | return 0; | ||
345 | s = strrchr(s, '/'); | ||
346 | if (!s) | ||
347 | return 0; | ||
348 | |||
349 | s += 1; | ||
350 | year = simple_strtoul(s, NULL, 0); | ||
351 | if (year && year < 100) { /* 2-digit year */ | ||
352 | year += 1900; | ||
353 | if (year < 1996) /* no dates < spec 1.0 */ | ||
354 | year += 100; | ||
355 | } | ||
356 | |||
357 | return year; | ||
358 | } | ||
diff --git a/arch/i386/kernel/i386_ksyms.c b/arch/i386/kernel/i386_ksyms.c index 055325056a74..036a9857936f 100644 --- a/arch/i386/kernel/i386_ksyms.c +++ b/arch/i386/kernel/i386_ksyms.c | |||
@@ -19,7 +19,6 @@ EXPORT_SYMBOL(__put_user_2); | |||
19 | EXPORT_SYMBOL(__put_user_4); | 19 | EXPORT_SYMBOL(__put_user_4); |
20 | EXPORT_SYMBOL(__put_user_8); | 20 | EXPORT_SYMBOL(__put_user_8); |
21 | 21 | ||
22 | EXPORT_SYMBOL(strpbrk); | ||
23 | EXPORT_SYMBOL(strstr); | 22 | EXPORT_SYMBOL(strstr); |
24 | 23 | ||
25 | #ifdef CONFIG_SMP | 24 | #ifdef CONFIG_SMP |
diff --git a/arch/i386/kernel/kprobes.c b/arch/i386/kernel/kprobes.c index f19768789e8a..043f5292e70a 100644 --- a/arch/i386/kernel/kprobes.c +++ b/arch/i386/kernel/kprobes.c | |||
@@ -43,7 +43,7 @@ DEFINE_PER_CPU(struct kprobe *, current_kprobe) = NULL; | |||
43 | DEFINE_PER_CPU(struct kprobe_ctlblk, kprobe_ctlblk); | 43 | DEFINE_PER_CPU(struct kprobe_ctlblk, kprobe_ctlblk); |
44 | 44 | ||
45 | /* insert a jmp code */ | 45 | /* insert a jmp code */ |
46 | static inline void set_jmp_op(void *from, void *to) | 46 | static __always_inline void set_jmp_op(void *from, void *to) |
47 | { | 47 | { |
48 | struct __arch_jmp_op { | 48 | struct __arch_jmp_op { |
49 | char op; | 49 | char op; |
@@ -57,7 +57,7 @@ static inline void set_jmp_op(void *from, void *to) | |||
57 | /* | 57 | /* |
58 | * returns non-zero if opcodes can be boosted. | 58 | * returns non-zero if opcodes can be boosted. |
59 | */ | 59 | */ |
60 | static inline int can_boost(kprobe_opcode_t opcode) | 60 | static __always_inline int can_boost(kprobe_opcode_t opcode) |
61 | { | 61 | { |
62 | switch (opcode & 0xf0 ) { | 62 | switch (opcode & 0xf0 ) { |
63 | case 0x70: | 63 | case 0x70: |
@@ -88,7 +88,7 @@ static inline int can_boost(kprobe_opcode_t opcode) | |||
88 | /* | 88 | /* |
89 | * returns non-zero if opcode modifies the interrupt flag. | 89 | * returns non-zero if opcode modifies the interrupt flag. |
90 | */ | 90 | */ |
91 | static inline int is_IF_modifier(kprobe_opcode_t opcode) | 91 | static int __kprobes is_IF_modifier(kprobe_opcode_t opcode) |
92 | { | 92 | { |
93 | switch (opcode) { | 93 | switch (opcode) { |
94 | case 0xfa: /* cli */ | 94 | case 0xfa: /* cli */ |
@@ -138,7 +138,7 @@ void __kprobes arch_remove_kprobe(struct kprobe *p) | |||
138 | mutex_unlock(&kprobe_mutex); | 138 | mutex_unlock(&kprobe_mutex); |
139 | } | 139 | } |
140 | 140 | ||
141 | static inline void save_previous_kprobe(struct kprobe_ctlblk *kcb) | 141 | static void __kprobes save_previous_kprobe(struct kprobe_ctlblk *kcb) |
142 | { | 142 | { |
143 | kcb->prev_kprobe.kp = kprobe_running(); | 143 | kcb->prev_kprobe.kp = kprobe_running(); |
144 | kcb->prev_kprobe.status = kcb->kprobe_status; | 144 | kcb->prev_kprobe.status = kcb->kprobe_status; |
@@ -146,7 +146,7 @@ static inline void save_previous_kprobe(struct kprobe_ctlblk *kcb) | |||
146 | kcb->prev_kprobe.saved_eflags = kcb->kprobe_saved_eflags; | 146 | kcb->prev_kprobe.saved_eflags = kcb->kprobe_saved_eflags; |
147 | } | 147 | } |
148 | 148 | ||
149 | static inline void restore_previous_kprobe(struct kprobe_ctlblk *kcb) | 149 | static void __kprobes restore_previous_kprobe(struct kprobe_ctlblk *kcb) |
150 | { | 150 | { |
151 | __get_cpu_var(current_kprobe) = kcb->prev_kprobe.kp; | 151 | __get_cpu_var(current_kprobe) = kcb->prev_kprobe.kp; |
152 | kcb->kprobe_status = kcb->prev_kprobe.status; | 152 | kcb->kprobe_status = kcb->prev_kprobe.status; |
@@ -154,7 +154,7 @@ static inline void restore_previous_kprobe(struct kprobe_ctlblk *kcb) | |||
154 | kcb->kprobe_saved_eflags = kcb->prev_kprobe.saved_eflags; | 154 | kcb->kprobe_saved_eflags = kcb->prev_kprobe.saved_eflags; |
155 | } | 155 | } |
156 | 156 | ||
157 | static inline void set_current_kprobe(struct kprobe *p, struct pt_regs *regs, | 157 | static void __kprobes set_current_kprobe(struct kprobe *p, struct pt_regs *regs, |
158 | struct kprobe_ctlblk *kcb) | 158 | struct kprobe_ctlblk *kcb) |
159 | { | 159 | { |
160 | __get_cpu_var(current_kprobe) = p; | 160 | __get_cpu_var(current_kprobe) = p; |
@@ -164,7 +164,7 @@ static inline void set_current_kprobe(struct kprobe *p, struct pt_regs *regs, | |||
164 | kcb->kprobe_saved_eflags &= ~IF_MASK; | 164 | kcb->kprobe_saved_eflags &= ~IF_MASK; |
165 | } | 165 | } |
166 | 166 | ||
167 | static inline void prepare_singlestep(struct kprobe *p, struct pt_regs *regs) | 167 | static void __kprobes prepare_singlestep(struct kprobe *p, struct pt_regs *regs) |
168 | { | 168 | { |
169 | regs->eflags |= TF_MASK; | 169 | regs->eflags |= TF_MASK; |
170 | regs->eflags &= ~IF_MASK; | 170 | regs->eflags &= ~IF_MASK; |
@@ -507,7 +507,7 @@ no_change: | |||
507 | * Interrupts are disabled on entry as trap1 is an interrupt gate and they | 507 | * Interrupts are disabled on entry as trap1 is an interrupt gate and they |
508 | * remain disabled thoroughout this function. | 508 | * remain disabled thoroughout this function. |
509 | */ | 509 | */ |
510 | static inline int post_kprobe_handler(struct pt_regs *regs) | 510 | static int __kprobes post_kprobe_handler(struct pt_regs *regs) |
511 | { | 511 | { |
512 | struct kprobe *cur = kprobe_running(); | 512 | struct kprobe *cur = kprobe_running(); |
513 | struct kprobe_ctlblk *kcb = get_kprobe_ctlblk(); | 513 | struct kprobe_ctlblk *kcb = get_kprobe_ctlblk(); |
@@ -543,7 +543,7 @@ out: | |||
543 | return 1; | 543 | return 1; |
544 | } | 544 | } |
545 | 545 | ||
546 | static inline int kprobe_fault_handler(struct pt_regs *regs, int trapnr) | 546 | static int __kprobes kprobe_fault_handler(struct pt_regs *regs, int trapnr) |
547 | { | 547 | { |
548 | struct kprobe *cur = kprobe_running(); | 548 | struct kprobe *cur = kprobe_running(); |
549 | struct kprobe_ctlblk *kcb = get_kprobe_ctlblk(); | 549 | struct kprobe_ctlblk *kcb = get_kprobe_ctlblk(); |
diff --git a/arch/i386/kernel/mpparse.c b/arch/i386/kernel/mpparse.c index 8d8aa9d1796d..34d21e21e012 100644 --- a/arch/i386/kernel/mpparse.c +++ b/arch/i386/kernel/mpparse.c | |||
@@ -38,12 +38,6 @@ | |||
38 | int smp_found_config; | 38 | int smp_found_config; |
39 | unsigned int __initdata maxcpus = NR_CPUS; | 39 | unsigned int __initdata maxcpus = NR_CPUS; |
40 | 40 | ||
41 | #ifdef CONFIG_HOTPLUG_CPU | ||
42 | #define CPU_HOTPLUG_ENABLED (1) | ||
43 | #else | ||
44 | #define CPU_HOTPLUG_ENABLED (0) | ||
45 | #endif | ||
46 | |||
47 | /* | 41 | /* |
48 | * Various Linux-internal data structures created from the | 42 | * Various Linux-internal data structures created from the |
49 | * MP-table. | 43 | * MP-table. |
@@ -110,21 +104,6 @@ static int __init mpf_checksum(unsigned char *mp, int len) | |||
110 | static int mpc_record; | 104 | static int mpc_record; |
111 | static struct mpc_config_translation *translation_table[MAX_MPC_ENTRY] __initdata; | 105 | static struct mpc_config_translation *translation_table[MAX_MPC_ENTRY] __initdata; |
112 | 106 | ||
113 | #ifdef CONFIG_X86_NUMAQ | ||
114 | static int MP_valid_apicid(int apicid, int version) | ||
115 | { | ||
116 | return hweight_long(apicid & 0xf) == 1 && (apicid >> 4) != 0xf; | ||
117 | } | ||
118 | #else | ||
119 | static int MP_valid_apicid(int apicid, int version) | ||
120 | { | ||
121 | if (version >= 0x14) | ||
122 | return apicid < 0xff; | ||
123 | else | ||
124 | return apicid < 0xf; | ||
125 | } | ||
126 | #endif | ||
127 | |||
128 | static void __devinit MP_processor_info (struct mpc_config_processor *m) | 107 | static void __devinit MP_processor_info (struct mpc_config_processor *m) |
129 | { | 108 | { |
130 | int ver, apicid; | 109 | int ver, apicid; |
@@ -190,12 +169,6 @@ static void __devinit MP_processor_info (struct mpc_config_processor *m) | |||
190 | 169 | ||
191 | ver = m->mpc_apicver; | 170 | ver = m->mpc_apicver; |
192 | 171 | ||
193 | if (!MP_valid_apicid(apicid, ver)) { | ||
194 | printk(KERN_WARNING "Processor #%d INVALID. (Max ID: %d).\n", | ||
195 | m->mpc_apicid, MAX_APICS); | ||
196 | return; | ||
197 | } | ||
198 | |||
199 | /* | 172 | /* |
200 | * Validate version | 173 | * Validate version |
201 | */ | 174 | */ |
@@ -225,7 +198,14 @@ static void __devinit MP_processor_info (struct mpc_config_processor *m) | |||
225 | cpu_set(num_processors, cpu_possible_map); | 198 | cpu_set(num_processors, cpu_possible_map); |
226 | num_processors++; | 199 | num_processors++; |
227 | 200 | ||
228 | if (CPU_HOTPLUG_ENABLED || (num_processors > 8)) { | 201 | /* |
202 | * Would be preferable to switch to bigsmp when CONFIG_HOTPLUG_CPU=y | ||
203 | * but we need to work other dependencies like SMP_SUSPEND etc | ||
204 | * before this can be done without some confusion. | ||
205 | * if (CPU_HOTPLUG_ENABLED || num_processors > 8) | ||
206 | * - Ashok Raj <ashok.raj@intel.com> | ||
207 | */ | ||
208 | if (num_processors > 8) { | ||
229 | switch (boot_cpu_data.x86_vendor) { | 209 | switch (boot_cpu_data.x86_vendor) { |
230 | case X86_VENDOR_INTEL: | 210 | case X86_VENDOR_INTEL: |
231 | if (!APIC_XAPIC(ver)) { | 211 | if (!APIC_XAPIC(ver)) { |
@@ -249,6 +229,13 @@ static void __init MP_bus_info (struct mpc_config_bus *m) | |||
249 | 229 | ||
250 | mpc_oem_bus_info(m, str, translation_table[mpc_record]); | 230 | mpc_oem_bus_info(m, str, translation_table[mpc_record]); |
251 | 231 | ||
232 | if (m->mpc_busid >= MAX_MP_BUSSES) { | ||
233 | printk(KERN_WARNING "MP table busid value (%d) for bustype %s " | ||
234 | " is too large, max. supported is %d\n", | ||
235 | m->mpc_busid, str, MAX_MP_BUSSES - 1); | ||
236 | return; | ||
237 | } | ||
238 | |||
252 | if (strncmp(str, BUSTYPE_ISA, sizeof(BUSTYPE_ISA)-1) == 0) { | 239 | if (strncmp(str, BUSTYPE_ISA, sizeof(BUSTYPE_ISA)-1) == 0) { |
253 | mp_bus_id_to_type[m->mpc_busid] = MP_BUS_ISA; | 240 | mp_bus_id_to_type[m->mpc_busid] = MP_BUS_ISA; |
254 | } else if (strncmp(str, BUSTYPE_EISA, sizeof(BUSTYPE_EISA)-1) == 0) { | 241 | } else if (strncmp(str, BUSTYPE_EISA, sizeof(BUSTYPE_EISA)-1) == 0) { |
diff --git a/arch/i386/kernel/msr.c b/arch/i386/kernel/msr.c index 1d0a55e68760..7a328230e540 100644 --- a/arch/i386/kernel/msr.c +++ b/arch/i386/kernel/msr.c | |||
@@ -251,7 +251,7 @@ static int msr_class_device_create(int i) | |||
251 | return err; | 251 | return err; |
252 | } | 252 | } |
253 | 253 | ||
254 | static int __devinit msr_class_cpu_callback(struct notifier_block *nfb, unsigned long action, void *hcpu) | 254 | static int msr_class_cpu_callback(struct notifier_block *nfb, unsigned long action, void *hcpu) |
255 | { | 255 | { |
256 | unsigned int cpu = (unsigned long)hcpu; | 256 | unsigned int cpu = (unsigned long)hcpu; |
257 | 257 | ||
diff --git a/arch/i386/kernel/reboot_fixups.c b/arch/i386/kernel/reboot_fixups.c index 10e21a4773dd..99aab41a05b0 100644 --- a/arch/i386/kernel/reboot_fixups.c +++ b/arch/i386/kernel/reboot_fixups.c | |||
@@ -51,7 +51,5 @@ void mach_reboot_fixups(void) | |||
51 | 51 | ||
52 | cur->reboot_fixup(dev); | 52 | cur->reboot_fixup(dev); |
53 | } | 53 | } |
54 | |||
55 | printk(KERN_WARNING "No reboot fixup found for your hardware\n"); | ||
56 | } | 54 | } |
57 | 55 | ||
diff --git a/arch/i386/kernel/setup.c b/arch/i386/kernel/setup.c index eacc3f0a2ea4..80cb3b2d0997 100644 --- a/arch/i386/kernel/setup.c +++ b/arch/i386/kernel/setup.c | |||
@@ -963,6 +963,36 @@ efi_memory_present_wrapper(unsigned long start, unsigned long end, void *arg) | |||
963 | return 0; | 963 | return 0; |
964 | } | 964 | } |
965 | 965 | ||
966 | /* | ||
967 | * This function checks if the entire range <start,end> is mapped with type. | ||
968 | * | ||
969 | * Note: this function only works correct if the e820 table is sorted and | ||
970 | * not-overlapping, which is the case | ||
971 | */ | ||
972 | int __init | ||
973 | e820_all_mapped(unsigned long start, unsigned long end, unsigned type) | ||
974 | { | ||
975 | int i; | ||
976 | for (i = 0; i < e820.nr_map; i++) { | ||
977 | struct e820entry *ei = &e820.map[i]; | ||
978 | if (type && ei->type != type) | ||
979 | continue; | ||
980 | /* is the region (part) in overlap with the current region ?*/ | ||
981 | if (ei->addr >= end || ei->addr + ei->size <= start) | ||
982 | continue; | ||
983 | /* if the region is at the beginning of <start,end> we move | ||
984 | * start to the end of the region since it's ok until there | ||
985 | */ | ||
986 | if (ei->addr <= start) | ||
987 | start = ei->addr + ei->size; | ||
988 | /* if start is now at or beyond end, we're done, full | ||
989 | * coverage */ | ||
990 | if (start >= end) | ||
991 | return 1; /* we're done */ | ||
992 | } | ||
993 | return 0; | ||
994 | } | ||
995 | |||
966 | /* | 996 | /* |
967 | * Find the highest page frame number we have available | 997 | * Find the highest page frame number we have available |
968 | */ | 998 | */ |
@@ -1317,8 +1347,8 @@ legacy_init_iomem_resources(struct resource *code_resource, struct resource *dat | |||
1317 | /* | 1347 | /* |
1318 | * Request address space for all standard resources | 1348 | * Request address space for all standard resources |
1319 | * | 1349 | * |
1320 | * This is called just before pcibios_assign_resources(), which is also | 1350 | * This is called just before pcibios_init(), which is also a |
1321 | * an fs_initcall, but is linked in later (in arch/i386/pci/i386.c). | 1351 | * subsys_initcall, but is linked in later (in arch/i386/pci/common.c). |
1322 | */ | 1352 | */ |
1323 | static int __init request_standard_resources(void) | 1353 | static int __init request_standard_resources(void) |
1324 | { | 1354 | { |
@@ -1339,7 +1369,7 @@ static int __init request_standard_resources(void) | |||
1339 | return 0; | 1369 | return 0; |
1340 | } | 1370 | } |
1341 | 1371 | ||
1342 | fs_initcall(request_standard_resources); | 1372 | subsys_initcall(request_standard_resources); |
1343 | 1373 | ||
1344 | static void __init register_memory(void) | 1374 | static void __init register_memory(void) |
1345 | { | 1375 | { |
diff --git a/arch/i386/kernel/syscall_table.S b/arch/i386/kernel/syscall_table.S index 4f58b9c0efe3..f48bef15b4f0 100644 --- a/arch/i386/kernel/syscall_table.S +++ b/arch/i386/kernel/syscall_table.S | |||
@@ -314,3 +314,4 @@ ENTRY(sys_call_table) | |||
314 | .long sys_get_robust_list | 314 | .long sys_get_robust_list |
315 | .long sys_splice | 315 | .long sys_splice |
316 | .long sys_sync_file_range | 316 | .long sys_sync_file_range |
317 | .long sys_tee /* 315 */ | ||
diff --git a/arch/i386/kernel/traps.c b/arch/i386/kernel/traps.c index e38527994590..2d22f5761b1d 100644 --- a/arch/i386/kernel/traps.c +++ b/arch/i386/kernel/traps.c | |||
@@ -365,6 +365,9 @@ void die(const char * str, struct pt_regs * regs, long err) | |||
365 | 365 | ||
366 | if (++die.lock_owner_depth < 3) { | 366 | if (++die.lock_owner_depth < 3) { |
367 | int nl = 0; | 367 | int nl = 0; |
368 | unsigned long esp; | ||
369 | unsigned short ss; | ||
370 | |||
368 | handle_BUG(regs); | 371 | handle_BUG(regs); |
369 | printk(KERN_EMERG "%s: %04lx [#%d]\n", str, err & 0xffff, ++die_counter); | 372 | printk(KERN_EMERG "%s: %04lx [#%d]\n", str, err & 0xffff, ++die_counter); |
370 | #ifdef CONFIG_PREEMPT | 373 | #ifdef CONFIG_PREEMPT |
@@ -387,8 +390,19 @@ void die(const char * str, struct pt_regs * regs, long err) | |||
387 | printk("\n"); | 390 | printk("\n"); |
388 | if (notify_die(DIE_OOPS, str, regs, err, | 391 | if (notify_die(DIE_OOPS, str, regs, err, |
389 | current->thread.trap_no, SIGSEGV) != | 392 | current->thread.trap_no, SIGSEGV) != |
390 | NOTIFY_STOP) | 393 | NOTIFY_STOP) { |
391 | show_registers(regs); | 394 | show_registers(regs); |
395 | /* Executive summary in case the oops scrolled away */ | ||
396 | esp = (unsigned long) (®s->esp); | ||
397 | savesegment(ss, ss); | ||
398 | if (user_mode(regs)) { | ||
399 | esp = regs->esp; | ||
400 | ss = regs->xss & 0xffff; | ||
401 | } | ||
402 | printk(KERN_EMERG "EIP: [<%08lx>] ", regs->eip); | ||
403 | print_symbol("%s", regs->eip); | ||
404 | printk(" SS:ESP %04x:%08lx\n", ss, esp); | ||
405 | } | ||
392 | else | 406 | else |
393 | regs = NULL; | 407 | regs = NULL; |
394 | } else | 408 | } else |