diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2009-12-11 23:47:59 -0500 |
---|---|---|
committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-12-11 23:47:59 -0500 |
commit | 756300983f11a1c6f9457d6d8f57354e0f0fe8d4 (patch) | |
tree | 9f9b791b4af64b4db7dc4a1b6f900ff91fec5206 /arch/x86 | |
parent | df7147b3c37cb203f968119f3b6a1cd648c535a1 (diff) | |
parent | 9cf7826743e5c78dcfcfdc99d17f79ce6d3a2942 (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/amd-iommu: Fix PCI hotplug with passthrough mode
x86/amd-iommu: Fix passthrough mode
x86: mmio-mod.c: Use pr_fmt
x86: kmmio.c: Add and use pr_fmt(fmt)
x86: i8254.c: Add pr_fmt(fmt)
x86: setup_percpu.c: Use pr_<level> and add pr_fmt(fmt)
x86: es7000_32.c: Use pr_<level> and add pr_fmt(fmt)
x86: Print DMI_BOARD_NAME as well as DMI_PRODUCT_NAME from __show_regs()
x86: Factor duplicated code out of __show_regs() into show_regs_common()
arch/x86/kernel/microcode*: Use pr_fmt() and remove duplicated KERN_ERR prefix
x86, mce: fix confusion between bank attributes and mce attributes
x86/mce: Set up timer unconditionally
x86: Fix bogus warning in apic_noop.apic_write()
x86: Fix typo in arch/x86/mm/kmmio.c
x86: ASUS P4S800 reboot=bios quirk
Diffstat (limited to 'arch/x86')
-rw-r--r-- | arch/x86/include/asm/amd_iommu_proto.h | 4 | ||||
-rw-r--r-- | arch/x86/include/asm/system.h | 1 | ||||
-rw-r--r-- | arch/x86/kernel/amd_iommu.c | 46 | ||||
-rw-r--r-- | arch/x86/kernel/amd_iommu_init.c | 9 | ||||
-rw-r--r-- | arch/x86/kernel/apic/apic_noop.c | 2 | ||||
-rw-r--r-- | arch/x86/kernel/apic/es7000_32.c | 12 | ||||
-rw-r--r-- | arch/x86/kernel/cpu/mcheck/mce.c | 5 | ||||
-rw-r--r-- | arch/x86/kernel/microcode_amd.c | 40 | ||||
-rw-r--r-- | arch/x86/kernel/microcode_core.c | 26 | ||||
-rw-r--r-- | arch/x86/kernel/microcode_intel.c | 47 | ||||
-rw-r--r-- | arch/x86/kernel/process.c | 21 | ||||
-rw-r--r-- | arch/x86/kernel/process_32.c | 14 | ||||
-rw-r--r-- | arch/x86/kernel/process_64.c | 16 | ||||
-rw-r--r-- | arch/x86/kernel/reboot.c | 8 | ||||
-rw-r--r-- | arch/x86/kernel/setup_percpu.c | 13 | ||||
-rw-r--r-- | arch/x86/kvm/i8254.c | 12 | ||||
-rw-r--r-- | arch/x86/mm/kmmio.c | 42 | ||||
-rw-r--r-- | arch/x86/mm/mmio-mod.c | 71 |
18 files changed, 221 insertions, 168 deletions
diff --git a/arch/x86/include/asm/amd_iommu_proto.h b/arch/x86/include/asm/amd_iommu_proto.h index 84786fb9a23b..4d817f9e6e77 100644 --- a/arch/x86/include/asm/amd_iommu_proto.h +++ b/arch/x86/include/asm/amd_iommu_proto.h | |||
@@ -28,7 +28,9 @@ extern void amd_iommu_flush_all_domains(void); | |||
28 | extern void amd_iommu_flush_all_devices(void); | 28 | extern void amd_iommu_flush_all_devices(void); |
29 | extern void amd_iommu_apply_erratum_63(u16 devid); | 29 | extern void amd_iommu_apply_erratum_63(u16 devid); |
30 | extern void amd_iommu_reset_cmd_buffer(struct amd_iommu *iommu); | 30 | extern void amd_iommu_reset_cmd_buffer(struct amd_iommu *iommu); |
31 | 31 | extern int amd_iommu_init_devices(void); | |
32 | extern void amd_iommu_uninit_devices(void); | ||
33 | extern void amd_iommu_init_notifier(void); | ||
32 | #ifndef CONFIG_AMD_IOMMU_STATS | 34 | #ifndef CONFIG_AMD_IOMMU_STATS |
33 | 35 | ||
34 | static inline void amd_iommu_stats_init(void) { } | 36 | static inline void amd_iommu_stats_init(void) { } |
diff --git a/arch/x86/include/asm/system.h b/arch/x86/include/asm/system.h index 022a84386de8..ecb544e65382 100644 --- a/arch/x86/include/asm/system.h +++ b/arch/x86/include/asm/system.h | |||
@@ -23,6 +23,7 @@ struct task_struct *__switch_to(struct task_struct *prev, | |||
23 | struct tss_struct; | 23 | struct tss_struct; |
24 | void __switch_to_xtra(struct task_struct *prev_p, struct task_struct *next_p, | 24 | void __switch_to_xtra(struct task_struct *prev_p, struct task_struct *next_p, |
25 | struct tss_struct *tss); | 25 | struct tss_struct *tss); |
26 | extern void show_regs_common(void); | ||
26 | 27 | ||
27 | #ifdef CONFIG_X86_32 | 28 | #ifdef CONFIG_X86_32 |
28 | 29 | ||
diff --git a/arch/x86/kernel/amd_iommu.c b/arch/x86/kernel/amd_iommu.c index 1c0fb4d4ad55..b990b5cc9541 100644 --- a/arch/x86/kernel/amd_iommu.c +++ b/arch/x86/kernel/amd_iommu.c | |||
@@ -166,6 +166,43 @@ static void iommu_uninit_device(struct device *dev) | |||
166 | { | 166 | { |
167 | kfree(dev->archdata.iommu); | 167 | kfree(dev->archdata.iommu); |
168 | } | 168 | } |
169 | |||
170 | void __init amd_iommu_uninit_devices(void) | ||
171 | { | ||
172 | struct pci_dev *pdev = NULL; | ||
173 | |||
174 | for_each_pci_dev(pdev) { | ||
175 | |||
176 | if (!check_device(&pdev->dev)) | ||
177 | continue; | ||
178 | |||
179 | iommu_uninit_device(&pdev->dev); | ||
180 | } | ||
181 | } | ||
182 | |||
183 | int __init amd_iommu_init_devices(void) | ||
184 | { | ||
185 | struct pci_dev *pdev = NULL; | ||
186 | int ret = 0; | ||
187 | |||
188 | for_each_pci_dev(pdev) { | ||
189 | |||
190 | if (!check_device(&pdev->dev)) | ||
191 | continue; | ||
192 | |||
193 | ret = iommu_init_device(&pdev->dev); | ||
194 | if (ret) | ||
195 | goto out_free; | ||
196 | } | ||
197 | |||
198 | return 0; | ||
199 | |||
200 | out_free: | ||
201 | |||
202 | amd_iommu_uninit_devices(); | ||
203 | |||
204 | return ret; | ||
205 | } | ||
169 | #ifdef CONFIG_AMD_IOMMU_STATS | 206 | #ifdef CONFIG_AMD_IOMMU_STATS |
170 | 207 | ||
171 | /* | 208 | /* |
@@ -1587,6 +1624,11 @@ static struct notifier_block device_nb = { | |||
1587 | .notifier_call = device_change_notifier, | 1624 | .notifier_call = device_change_notifier, |
1588 | }; | 1625 | }; |
1589 | 1626 | ||
1627 | void amd_iommu_init_notifier(void) | ||
1628 | { | ||
1629 | bus_register_notifier(&pci_bus_type, &device_nb); | ||
1630 | } | ||
1631 | |||
1590 | /***************************************************************************** | 1632 | /***************************************************************************** |
1591 | * | 1633 | * |
1592 | * The next functions belong to the dma_ops mapping/unmapping code. | 1634 | * The next functions belong to the dma_ops mapping/unmapping code. |
@@ -2145,8 +2187,6 @@ static void prealloc_protection_domains(void) | |||
2145 | if (!check_device(&dev->dev)) | 2187 | if (!check_device(&dev->dev)) |
2146 | continue; | 2188 | continue; |
2147 | 2189 | ||
2148 | iommu_init_device(&dev->dev); | ||
2149 | |||
2150 | /* Is there already any domain for it? */ | 2190 | /* Is there already any domain for it? */ |
2151 | if (domain_for_device(&dev->dev)) | 2191 | if (domain_for_device(&dev->dev)) |
2152 | continue; | 2192 | continue; |
@@ -2215,8 +2255,6 @@ int __init amd_iommu_init_dma_ops(void) | |||
2215 | 2255 | ||
2216 | register_iommu(&amd_iommu_ops); | 2256 | register_iommu(&amd_iommu_ops); |
2217 | 2257 | ||
2218 | bus_register_notifier(&pci_bus_type, &device_nb); | ||
2219 | |||
2220 | amd_iommu_stats_init(); | 2258 | amd_iommu_stats_init(); |
2221 | 2259 | ||
2222 | return 0; | 2260 | return 0; |
diff --git a/arch/x86/kernel/amd_iommu_init.c b/arch/x86/kernel/amd_iommu_init.c index 9c4a6f747552..1dca9c34eaeb 100644 --- a/arch/x86/kernel/amd_iommu_init.c +++ b/arch/x86/kernel/amd_iommu_init.c | |||
@@ -1274,6 +1274,10 @@ static int __init amd_iommu_init(void) | |||
1274 | if (ret) | 1274 | if (ret) |
1275 | goto free; | 1275 | goto free; |
1276 | 1276 | ||
1277 | ret = amd_iommu_init_devices(); | ||
1278 | if (ret) | ||
1279 | goto free; | ||
1280 | |||
1277 | if (iommu_pass_through) | 1281 | if (iommu_pass_through) |
1278 | ret = amd_iommu_init_passthrough(); | 1282 | ret = amd_iommu_init_passthrough(); |
1279 | else | 1283 | else |
@@ -1281,6 +1285,8 @@ static int __init amd_iommu_init(void) | |||
1281 | if (ret) | 1285 | if (ret) |
1282 | goto free; | 1286 | goto free; |
1283 | 1287 | ||
1288 | amd_iommu_init_notifier(); | ||
1289 | |||
1284 | enable_iommus(); | 1290 | enable_iommus(); |
1285 | 1291 | ||
1286 | if (iommu_pass_through) | 1292 | if (iommu_pass_through) |
@@ -1296,6 +1302,9 @@ out: | |||
1296 | return ret; | 1302 | return ret; |
1297 | 1303 | ||
1298 | free: | 1304 | free: |
1305 | |||
1306 | amd_iommu_uninit_devices(); | ||
1307 | |||
1299 | free_pages((unsigned long)amd_iommu_pd_alloc_bitmap, | 1308 | free_pages((unsigned long)amd_iommu_pd_alloc_bitmap, |
1300 | get_order(MAX_DOMAIN_ID/8)); | 1309 | get_order(MAX_DOMAIN_ID/8)); |
1301 | 1310 | ||
diff --git a/arch/x86/kernel/apic/apic_noop.c b/arch/x86/kernel/apic/apic_noop.c index d9acc3bee0f4..e31b9ffe25f5 100644 --- a/arch/x86/kernel/apic/apic_noop.c +++ b/arch/x86/kernel/apic/apic_noop.c | |||
@@ -127,7 +127,7 @@ static u32 noop_apic_read(u32 reg) | |||
127 | 127 | ||
128 | static void noop_apic_write(u32 reg, u32 v) | 128 | static void noop_apic_write(u32 reg, u32 v) |
129 | { | 129 | { |
130 | WARN_ON_ONCE((cpu_has_apic || !disable_apic)); | 130 | WARN_ON_ONCE(cpu_has_apic && !disable_apic); |
131 | } | 131 | } |
132 | 132 | ||
133 | struct apic apic_noop = { | 133 | struct apic apic_noop = { |
diff --git a/arch/x86/kernel/apic/es7000_32.c b/arch/x86/kernel/apic/es7000_32.c index e85f8fb7f8e7..dd2b5f264643 100644 --- a/arch/x86/kernel/apic/es7000_32.c +++ b/arch/x86/kernel/apic/es7000_32.c | |||
@@ -27,6 +27,9 @@ | |||
27 | * | 27 | * |
28 | * http://www.unisys.com | 28 | * http://www.unisys.com |
29 | */ | 29 | */ |
30 | |||
31 | #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt | ||
32 | |||
30 | #include <linux/notifier.h> | 33 | #include <linux/notifier.h> |
31 | #include <linux/spinlock.h> | 34 | #include <linux/spinlock.h> |
32 | #include <linux/cpumask.h> | 35 | #include <linux/cpumask.h> |
@@ -223,9 +226,9 @@ static int parse_unisys_oem(char *oemptr) | |||
223 | mip_addr = val; | 226 | mip_addr = val; |
224 | mip = (struct mip_reg *)val; | 227 | mip = (struct mip_reg *)val; |
225 | mip_reg = __va(mip); | 228 | mip_reg = __va(mip); |
226 | pr_debug("es7000_mipcfg: host_reg = 0x%lx \n", | 229 | pr_debug("host_reg = 0x%lx\n", |
227 | (unsigned long)host_reg); | 230 | (unsigned long)host_reg); |
228 | pr_debug("es7000_mipcfg: mip_reg = 0x%lx \n", | 231 | pr_debug("mip_reg = 0x%lx\n", |
229 | (unsigned long)mip_reg); | 232 | (unsigned long)mip_reg); |
230 | success++; | 233 | success++; |
231 | break; | 234 | break; |
@@ -401,7 +404,7 @@ static void es7000_enable_apic_mode(void) | |||
401 | if (!es7000_plat) | 404 | if (!es7000_plat) |
402 | return; | 405 | return; |
403 | 406 | ||
404 | printk(KERN_INFO "ES7000: Enabling APIC mode.\n"); | 407 | pr_info("Enabling APIC mode.\n"); |
405 | memset(&es7000_mip_reg, 0, sizeof(struct mip_reg)); | 408 | memset(&es7000_mip_reg, 0, sizeof(struct mip_reg)); |
406 | es7000_mip_reg.off_0x00 = MIP_SW_APIC; | 409 | es7000_mip_reg.off_0x00 = MIP_SW_APIC; |
407 | es7000_mip_reg.off_0x38 = MIP_VALID; | 410 | es7000_mip_reg.off_0x38 = MIP_VALID; |
@@ -514,8 +517,7 @@ static void es7000_setup_apic_routing(void) | |||
514 | { | 517 | { |
515 | int apic = per_cpu(x86_bios_cpu_apicid, smp_processor_id()); | 518 | int apic = per_cpu(x86_bios_cpu_apicid, smp_processor_id()); |
516 | 519 | ||
517 | printk(KERN_INFO | 520 | pr_info("Enabling APIC mode: %s. Using %d I/O APICs, target cpus %lx\n", |
518 | "Enabling APIC mode: %s. Using %d I/O APICs, target cpus %lx\n", | ||
519 | (apic_version[apic] == 0x14) ? | 521 | (apic_version[apic] == 0x14) ? |
520 | "Physical Cluster" : "Logical Cluster", | 522 | "Physical Cluster" : "Logical Cluster", |
521 | nr_ioapics, cpumask_bits(es7000_target_cpus())[0]); | 523 | nr_ioapics, cpumask_bits(es7000_target_cpus())[0]); |
diff --git a/arch/x86/kernel/cpu/mcheck/mce.c b/arch/x86/kernel/cpu/mcheck/mce.c index d7ebf25d10ed..a8aacd4b513c 100644 --- a/arch/x86/kernel/cpu/mcheck/mce.c +++ b/arch/x86/kernel/cpu/mcheck/mce.c | |||
@@ -1388,13 +1388,14 @@ static void __mcheck_cpu_init_timer(void) | |||
1388 | struct timer_list *t = &__get_cpu_var(mce_timer); | 1388 | struct timer_list *t = &__get_cpu_var(mce_timer); |
1389 | int *n = &__get_cpu_var(mce_next_interval); | 1389 | int *n = &__get_cpu_var(mce_next_interval); |
1390 | 1390 | ||
1391 | setup_timer(t, mce_start_timer, smp_processor_id()); | ||
1392 | |||
1391 | if (mce_ignore_ce) | 1393 | if (mce_ignore_ce) |
1392 | return; | 1394 | return; |
1393 | 1395 | ||
1394 | *n = check_interval * HZ; | 1396 | *n = check_interval * HZ; |
1395 | if (!*n) | 1397 | if (!*n) |
1396 | return; | 1398 | return; |
1397 | setup_timer(t, mce_start_timer, smp_processor_id()); | ||
1398 | t->expires = round_jiffies(jiffies + *n); | 1399 | t->expires = round_jiffies(jiffies + *n); |
1399 | add_timer_on(t, smp_processor_id()); | 1400 | add_timer_on(t, smp_processor_id()); |
1400 | } | 1401 | } |
@@ -1928,7 +1929,7 @@ error2: | |||
1928 | sysdev_remove_file(&per_cpu(mce_dev, cpu), &mce_banks[j].attr); | 1929 | sysdev_remove_file(&per_cpu(mce_dev, cpu), &mce_banks[j].attr); |
1929 | error: | 1930 | error: |
1930 | while (--i >= 0) | 1931 | while (--i >= 0) |
1931 | sysdev_remove_file(&per_cpu(mce_dev, cpu), &mce_banks[i].attr); | 1932 | sysdev_remove_file(&per_cpu(mce_dev, cpu), mce_attrs[i]); |
1932 | 1933 | ||
1933 | sysdev_unregister(&per_cpu(mce_dev, cpu)); | 1934 | sysdev_unregister(&per_cpu(mce_dev, cpu)); |
1934 | 1935 | ||
diff --git a/arch/x86/kernel/microcode_amd.c b/arch/x86/kernel/microcode_amd.c index 63123d902103..37542b67c57e 100644 --- a/arch/x86/kernel/microcode_amd.c +++ b/arch/x86/kernel/microcode_amd.c | |||
@@ -13,6 +13,9 @@ | |||
13 | * Licensed under the terms of the GNU General Public | 13 | * Licensed under the terms of the GNU General Public |
14 | * License version 2. See file COPYING for details. | 14 | * License version 2. See file COPYING for details. |
15 | */ | 15 | */ |
16 | |||
17 | #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt | ||
18 | |||
16 | #include <linux/firmware.h> | 19 | #include <linux/firmware.h> |
17 | #include <linux/pci_ids.h> | 20 | #include <linux/pci_ids.h> |
18 | #include <linux/uaccess.h> | 21 | #include <linux/uaccess.h> |
@@ -81,7 +84,7 @@ static int collect_cpu_info_amd(int cpu, struct cpu_signature *csig) | |||
81 | 84 | ||
82 | memset(csig, 0, sizeof(*csig)); | 85 | memset(csig, 0, sizeof(*csig)); |
83 | rdmsr(MSR_AMD64_PATCH_LEVEL, csig->rev, dummy); | 86 | rdmsr(MSR_AMD64_PATCH_LEVEL, csig->rev, dummy); |
84 | pr_info("microcode: CPU%d: patch_level=0x%x\n", cpu, csig->rev); | 87 | pr_info("CPU%d: patch_level=0x%x\n", cpu, csig->rev); |
85 | return 0; | 88 | return 0; |
86 | } | 89 | } |
87 | 90 | ||
@@ -111,8 +114,8 @@ static int get_matching_microcode(int cpu, void *mc, int rev) | |||
111 | 114 | ||
112 | /* ucode might be chipset specific -- currently we don't support this */ | 115 | /* ucode might be chipset specific -- currently we don't support this */ |
113 | if (mc_header->nb_dev_id || mc_header->sb_dev_id) { | 116 | if (mc_header->nb_dev_id || mc_header->sb_dev_id) { |
114 | pr_err(KERN_ERR "microcode: CPU%d: loading of chipset " | 117 | pr_err("CPU%d: loading of chipset specific code not yet supported\n", |
115 | "specific code not yet supported\n", cpu); | 118 | cpu); |
116 | return 0; | 119 | return 0; |
117 | } | 120 | } |
118 | 121 | ||
@@ -141,12 +144,12 @@ static int apply_microcode_amd(int cpu) | |||
141 | 144 | ||
142 | /* check current patch id and patch's id for match */ | 145 | /* check current patch id and patch's id for match */ |
143 | if (rev != mc_amd->hdr.patch_id) { | 146 | if (rev != mc_amd->hdr.patch_id) { |
144 | pr_err("microcode: CPU%d: update failed " | 147 | pr_err("CPU%d: update failed (for patch_level=0x%x)\n", |
145 | "(for patch_level=0x%x)\n", cpu, mc_amd->hdr.patch_id); | 148 | cpu, mc_amd->hdr.patch_id); |
146 | return -1; | 149 | return -1; |
147 | } | 150 | } |
148 | 151 | ||
149 | pr_info("microcode: CPU%d: updated (new patch_level=0x%x)\n", cpu, rev); | 152 | pr_info("CPU%d: updated (new patch_level=0x%x)\n", cpu, rev); |
150 | uci->cpu_sig.rev = rev; | 153 | uci->cpu_sig.rev = rev; |
151 | 154 | ||
152 | return 0; | 155 | return 0; |
@@ -169,15 +172,14 @@ get_next_ucode(const u8 *buf, unsigned int size, unsigned int *mc_size) | |||
169 | return NULL; | 172 | return NULL; |
170 | 173 | ||
171 | if (section_hdr[0] != UCODE_UCODE_TYPE) { | 174 | if (section_hdr[0] != UCODE_UCODE_TYPE) { |
172 | pr_err("microcode: error: invalid type field in " | 175 | pr_err("error: invalid type field in container file section header\n"); |
173 | "container file section header\n"); | ||
174 | return NULL; | 176 | return NULL; |
175 | } | 177 | } |
176 | 178 | ||
177 | total_size = (unsigned long) (section_hdr[4] + (section_hdr[5] << 8)); | 179 | total_size = (unsigned long) (section_hdr[4] + (section_hdr[5] << 8)); |
178 | 180 | ||
179 | if (total_size > size || total_size > UCODE_MAX_SIZE) { | 181 | if (total_size > size || total_size > UCODE_MAX_SIZE) { |
180 | pr_err("microcode: error: size mismatch\n"); | 182 | pr_err("error: size mismatch\n"); |
181 | return NULL; | 183 | return NULL; |
182 | } | 184 | } |
183 | 185 | ||
@@ -206,14 +208,13 @@ static int install_equiv_cpu_table(const u8 *buf) | |||
206 | size = buf_pos[2]; | 208 | size = buf_pos[2]; |
207 | 209 | ||
208 | if (buf_pos[1] != UCODE_EQUIV_CPU_TABLE_TYPE || !size) { | 210 | if (buf_pos[1] != UCODE_EQUIV_CPU_TABLE_TYPE || !size) { |
209 | pr_err("microcode: error: invalid type field in " | 211 | pr_err("error: invalid type field in container file section header\n"); |
210 | "container file section header\n"); | ||
211 | return 0; | 212 | return 0; |
212 | } | 213 | } |
213 | 214 | ||
214 | equiv_cpu_table = (struct equiv_cpu_entry *) vmalloc(size); | 215 | equiv_cpu_table = (struct equiv_cpu_entry *) vmalloc(size); |
215 | if (!equiv_cpu_table) { | 216 | if (!equiv_cpu_table) { |
216 | pr_err("microcode: failed to allocate equivalent CPU table\n"); | 217 | pr_err("failed to allocate equivalent CPU table\n"); |
217 | return 0; | 218 | return 0; |
218 | } | 219 | } |
219 | 220 | ||
@@ -246,7 +247,7 @@ generic_load_microcode(int cpu, const u8 *data, size_t size) | |||
246 | 247 | ||
247 | offset = install_equiv_cpu_table(ucode_ptr); | 248 | offset = install_equiv_cpu_table(ucode_ptr); |
248 | if (!offset) { | 249 | if (!offset) { |
249 | pr_err("microcode: failed to create equivalent cpu table\n"); | 250 | pr_err("failed to create equivalent cpu table\n"); |
250 | return UCODE_ERROR; | 251 | return UCODE_ERROR; |
251 | } | 252 | } |
252 | 253 | ||
@@ -277,8 +278,7 @@ generic_load_microcode(int cpu, const u8 *data, size_t size) | |||
277 | if (!leftover) { | 278 | if (!leftover) { |
278 | vfree(uci->mc); | 279 | vfree(uci->mc); |
279 | uci->mc = new_mc; | 280 | uci->mc = new_mc; |
280 | pr_debug("microcode: CPU%d found a matching microcode " | 281 | pr_debug("CPU%d found a matching microcode update with version 0x%x (current=0x%x)\n", |
281 | "update with version 0x%x (current=0x%x)\n", | ||
282 | cpu, new_rev, uci->cpu_sig.rev); | 282 | cpu, new_rev, uci->cpu_sig.rev); |
283 | } else { | 283 | } else { |
284 | vfree(new_mc); | 284 | vfree(new_mc); |
@@ -300,7 +300,7 @@ static enum ucode_state request_microcode_fw(int cpu, struct device *device) | |||
300 | return UCODE_NFOUND; | 300 | return UCODE_NFOUND; |
301 | 301 | ||
302 | if (*(u32 *)firmware->data != UCODE_MAGIC) { | 302 | if (*(u32 *)firmware->data != UCODE_MAGIC) { |
303 | pr_err("microcode: invalid UCODE_MAGIC (0x%08x)\n", | 303 | pr_err("invalid UCODE_MAGIC (0x%08x)\n", |
304 | *(u32 *)firmware->data); | 304 | *(u32 *)firmware->data); |
305 | return UCODE_ERROR; | 305 | return UCODE_ERROR; |
306 | } | 306 | } |
@@ -313,8 +313,7 @@ static enum ucode_state request_microcode_fw(int cpu, struct device *device) | |||
313 | static enum ucode_state | 313 | static enum ucode_state |
314 | request_microcode_user(int cpu, const void __user *buf, size_t size) | 314 | request_microcode_user(int cpu, const void __user *buf, size_t size) |
315 | { | 315 | { |
316 | pr_info("microcode: AMD microcode update via " | 316 | pr_info("AMD microcode update via /dev/cpu/microcode not supported\n"); |
317 | "/dev/cpu/microcode not supported\n"); | ||
318 | return UCODE_ERROR; | 317 | return UCODE_ERROR; |
319 | } | 318 | } |
320 | 319 | ||
@@ -334,14 +333,13 @@ void init_microcode_amd(struct device *device) | |||
334 | WARN_ON(c->x86_vendor != X86_VENDOR_AMD); | 333 | WARN_ON(c->x86_vendor != X86_VENDOR_AMD); |
335 | 334 | ||
336 | if (c->x86 < 0x10) { | 335 | if (c->x86 < 0x10) { |
337 | pr_warning("microcode: AMD CPU family 0x%x not supported\n", | 336 | pr_warning("AMD CPU family 0x%x not supported\n", c->x86); |
338 | c->x86); | ||
339 | return; | 337 | return; |
340 | } | 338 | } |
341 | supported_cpu = 1; | 339 | supported_cpu = 1; |
342 | 340 | ||
343 | if (request_firmware(&firmware, fw_name, device)) | 341 | if (request_firmware(&firmware, fw_name, device)) |
344 | pr_err("microcode: failed to load file %s\n", fw_name); | 342 | pr_err("failed to load file %s\n", fw_name); |
345 | } | 343 | } |
346 | 344 | ||
347 | void fini_microcode_amd(void) | 345 | void fini_microcode_amd(void) |
diff --git a/arch/x86/kernel/microcode_core.c b/arch/x86/kernel/microcode_core.c index e68aae397869..844c02c65fcb 100644 --- a/arch/x86/kernel/microcode_core.c +++ b/arch/x86/kernel/microcode_core.c | |||
@@ -70,6 +70,9 @@ | |||
70 | * Fix sigmatch() macro to handle old CPUs with pf == 0. | 70 | * Fix sigmatch() macro to handle old CPUs with pf == 0. |
71 | * Thanks to Stuart Swales for pointing out this bug. | 71 | * Thanks to Stuart Swales for pointing out this bug. |
72 | */ | 72 | */ |
73 | |||
74 | #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt | ||
75 | |||
73 | #include <linux/platform_device.h> | 76 | #include <linux/platform_device.h> |
74 | #include <linux/miscdevice.h> | 77 | #include <linux/miscdevice.h> |
75 | #include <linux/capability.h> | 78 | #include <linux/capability.h> |
@@ -209,7 +212,7 @@ static ssize_t microcode_write(struct file *file, const char __user *buf, | |||
209 | ssize_t ret = -EINVAL; | 212 | ssize_t ret = -EINVAL; |
210 | 213 | ||
211 | if ((len >> PAGE_SHIFT) > totalram_pages) { | 214 | if ((len >> PAGE_SHIFT) > totalram_pages) { |
212 | pr_err("microcode: too much data (max %ld pages)\n", totalram_pages); | 215 | pr_err("too much data (max %ld pages)\n", totalram_pages); |
213 | return ret; | 216 | return ret; |
214 | } | 217 | } |
215 | 218 | ||
@@ -244,7 +247,7 @@ static int __init microcode_dev_init(void) | |||
244 | 247 | ||
245 | error = misc_register(µcode_dev); | 248 | error = misc_register(µcode_dev); |
246 | if (error) { | 249 | if (error) { |
247 | pr_err("microcode: can't misc_register on minor=%d\n", MICROCODE_MINOR); | 250 | pr_err("can't misc_register on minor=%d\n", MICROCODE_MINOR); |
248 | return error; | 251 | return error; |
249 | } | 252 | } |
250 | 253 | ||
@@ -359,7 +362,7 @@ static enum ucode_state microcode_resume_cpu(int cpu) | |||
359 | if (!uci->mc) | 362 | if (!uci->mc) |
360 | return UCODE_NFOUND; | 363 | return UCODE_NFOUND; |
361 | 364 | ||
362 | pr_debug("microcode: CPU%d updated upon resume\n", cpu); | 365 | pr_debug("CPU%d updated upon resume\n", cpu); |
363 | apply_microcode_on_target(cpu); | 366 | apply_microcode_on_target(cpu); |
364 | 367 | ||
365 | return UCODE_OK; | 368 | return UCODE_OK; |
@@ -379,7 +382,7 @@ static enum ucode_state microcode_init_cpu(int cpu) | |||
379 | ustate = microcode_ops->request_microcode_fw(cpu, µcode_pdev->dev); | 382 | ustate = microcode_ops->request_microcode_fw(cpu, µcode_pdev->dev); |
380 | 383 | ||
381 | if (ustate == UCODE_OK) { | 384 | if (ustate == UCODE_OK) { |
382 | pr_debug("microcode: CPU%d updated upon init\n", cpu); | 385 | pr_debug("CPU%d updated upon init\n", cpu); |
383 | apply_microcode_on_target(cpu); | 386 | apply_microcode_on_target(cpu); |
384 | } | 387 | } |
385 | 388 | ||
@@ -406,7 +409,7 @@ static int mc_sysdev_add(struct sys_device *sys_dev) | |||
406 | if (!cpu_online(cpu)) | 409 | if (!cpu_online(cpu)) |
407 | return 0; | 410 | return 0; |
408 | 411 | ||
409 | pr_debug("microcode: CPU%d added\n", cpu); | 412 | pr_debug("CPU%d added\n", cpu); |
410 | 413 | ||
411 | err = sysfs_create_group(&sys_dev->kobj, &mc_attr_group); | 414 | err = sysfs_create_group(&sys_dev->kobj, &mc_attr_group); |
412 | if (err) | 415 | if (err) |
@@ -425,7 +428,7 @@ static int mc_sysdev_remove(struct sys_device *sys_dev) | |||
425 | if (!cpu_online(cpu)) | 428 | if (!cpu_online(cpu)) |
426 | return 0; | 429 | return 0; |
427 | 430 | ||
428 | pr_debug("microcode: CPU%d removed\n", cpu); | 431 | pr_debug("CPU%d removed\n", cpu); |
429 | microcode_fini_cpu(cpu); | 432 | microcode_fini_cpu(cpu); |
430 | sysfs_remove_group(&sys_dev->kobj, &mc_attr_group); | 433 | sysfs_remove_group(&sys_dev->kobj, &mc_attr_group); |
431 | return 0; | 434 | return 0; |
@@ -473,15 +476,15 @@ mc_cpu_callback(struct notifier_block *nb, unsigned long action, void *hcpu) | |||
473 | microcode_update_cpu(cpu); | 476 | microcode_update_cpu(cpu); |
474 | case CPU_DOWN_FAILED: | 477 | case CPU_DOWN_FAILED: |
475 | case CPU_DOWN_FAILED_FROZEN: | 478 | case CPU_DOWN_FAILED_FROZEN: |
476 | pr_debug("microcode: CPU%d added\n", cpu); | 479 | pr_debug("CPU%d added\n", cpu); |
477 | if (sysfs_create_group(&sys_dev->kobj, &mc_attr_group)) | 480 | if (sysfs_create_group(&sys_dev->kobj, &mc_attr_group)) |
478 | pr_err("microcode: Failed to create group for CPU%d\n", cpu); | 481 | pr_err("Failed to create group for CPU%d\n", cpu); |
479 | break; | 482 | break; |
480 | case CPU_DOWN_PREPARE: | 483 | case CPU_DOWN_PREPARE: |
481 | case CPU_DOWN_PREPARE_FROZEN: | 484 | case CPU_DOWN_PREPARE_FROZEN: |
482 | /* Suspend is in progress, only remove the interface */ | 485 | /* Suspend is in progress, only remove the interface */ |
483 | sysfs_remove_group(&sys_dev->kobj, &mc_attr_group); | 486 | sysfs_remove_group(&sys_dev->kobj, &mc_attr_group); |
484 | pr_debug("microcode: CPU%d removed\n", cpu); | 487 | pr_debug("CPU%d removed\n", cpu); |
485 | break; | 488 | break; |
486 | case CPU_DEAD: | 489 | case CPU_DEAD: |
487 | case CPU_UP_CANCELED_FROZEN: | 490 | case CPU_UP_CANCELED_FROZEN: |
@@ -507,7 +510,7 @@ static int __init microcode_init(void) | |||
507 | microcode_ops = init_amd_microcode(); | 510 | microcode_ops = init_amd_microcode(); |
508 | 511 | ||
509 | if (!microcode_ops) { | 512 | if (!microcode_ops) { |
510 | pr_err("microcode: no support for this CPU vendor\n"); | 513 | pr_err("no support for this CPU vendor\n"); |
511 | return -ENODEV; | 514 | return -ENODEV; |
512 | } | 515 | } |
513 | 516 | ||
@@ -541,8 +544,7 @@ static int __init microcode_init(void) | |||
541 | register_hotcpu_notifier(&mc_cpu_notifier); | 544 | register_hotcpu_notifier(&mc_cpu_notifier); |
542 | 545 | ||
543 | pr_info("Microcode Update Driver: v" MICROCODE_VERSION | 546 | pr_info("Microcode Update Driver: v" MICROCODE_VERSION |
544 | " <tigran@aivazian.fsnet.co.uk>," | 547 | " <tigran@aivazian.fsnet.co.uk>, Peter Oruba\n"); |
545 | " Peter Oruba\n"); | ||
546 | 548 | ||
547 | return 0; | 549 | return 0; |
548 | } | 550 | } |
diff --git a/arch/x86/kernel/microcode_intel.c b/arch/x86/kernel/microcode_intel.c index 0d334ddd0a96..ebd193e476ca 100644 --- a/arch/x86/kernel/microcode_intel.c +++ b/arch/x86/kernel/microcode_intel.c | |||
@@ -70,6 +70,9 @@ | |||
70 | * Fix sigmatch() macro to handle old CPUs with pf == 0. | 70 | * Fix sigmatch() macro to handle old CPUs with pf == 0. |
71 | * Thanks to Stuart Swales for pointing out this bug. | 71 | * Thanks to Stuart Swales for pointing out this bug. |
72 | */ | 72 | */ |
73 | |||
74 | #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt | ||
75 | |||
73 | #include <linux/firmware.h> | 76 | #include <linux/firmware.h> |
74 | #include <linux/uaccess.h> | 77 | #include <linux/uaccess.h> |
75 | #include <linux/kernel.h> | 78 | #include <linux/kernel.h> |
@@ -146,8 +149,7 @@ static int collect_cpu_info(int cpu_num, struct cpu_signature *csig) | |||
146 | 149 | ||
147 | if (c->x86_vendor != X86_VENDOR_INTEL || c->x86 < 6 || | 150 | if (c->x86_vendor != X86_VENDOR_INTEL || c->x86 < 6 || |
148 | cpu_has(c, X86_FEATURE_IA64)) { | 151 | cpu_has(c, X86_FEATURE_IA64)) { |
149 | printk(KERN_ERR "microcode: CPU%d not a capable Intel " | 152 | pr_err("CPU%d not a capable Intel processor\n", cpu_num); |
150 | "processor\n", cpu_num); | ||
151 | return -1; | 153 | return -1; |
152 | } | 154 | } |
153 | 155 | ||
@@ -165,8 +167,8 @@ static int collect_cpu_info(int cpu_num, struct cpu_signature *csig) | |||
165 | /* get the current revision from MSR 0x8B */ | 167 | /* get the current revision from MSR 0x8B */ |
166 | rdmsr(MSR_IA32_UCODE_REV, val[0], csig->rev); | 168 | rdmsr(MSR_IA32_UCODE_REV, val[0], csig->rev); |
167 | 169 | ||
168 | printk(KERN_INFO "microcode: CPU%d sig=0x%x, pf=0x%x, revision=0x%x\n", | 170 | pr_info("CPU%d sig=0x%x, pf=0x%x, revision=0x%x\n", |
169 | cpu_num, csig->sig, csig->pf, csig->rev); | 171 | cpu_num, csig->sig, csig->pf, csig->rev); |
170 | 172 | ||
171 | return 0; | 173 | return 0; |
172 | } | 174 | } |
@@ -194,28 +196,24 @@ static int microcode_sanity_check(void *mc) | |||
194 | data_size = get_datasize(mc_header); | 196 | data_size = get_datasize(mc_header); |
195 | 197 | ||
196 | if (data_size + MC_HEADER_SIZE > total_size) { | 198 | if (data_size + MC_HEADER_SIZE > total_size) { |
197 | printk(KERN_ERR "microcode: error! " | 199 | pr_err("error! Bad data size in microcode data file\n"); |
198 | "Bad data size in microcode data file\n"); | ||
199 | return -EINVAL; | 200 | return -EINVAL; |
200 | } | 201 | } |
201 | 202 | ||
202 | if (mc_header->ldrver != 1 || mc_header->hdrver != 1) { | 203 | if (mc_header->ldrver != 1 || mc_header->hdrver != 1) { |
203 | printk(KERN_ERR "microcode: error! " | 204 | pr_err("error! Unknown microcode update format\n"); |
204 | "Unknown microcode update format\n"); | ||
205 | return -EINVAL; | 205 | return -EINVAL; |
206 | } | 206 | } |
207 | ext_table_size = total_size - (MC_HEADER_SIZE + data_size); | 207 | ext_table_size = total_size - (MC_HEADER_SIZE + data_size); |
208 | if (ext_table_size) { | 208 | if (ext_table_size) { |
209 | if ((ext_table_size < EXT_HEADER_SIZE) | 209 | if ((ext_table_size < EXT_HEADER_SIZE) |
210 | || ((ext_table_size - EXT_HEADER_SIZE) % EXT_SIGNATURE_SIZE)) { | 210 | || ((ext_table_size - EXT_HEADER_SIZE) % EXT_SIGNATURE_SIZE)) { |
211 | printk(KERN_ERR "microcode: error! " | 211 | pr_err("error! Small exttable size in microcode data file\n"); |
212 | "Small exttable size in microcode data file\n"); | ||
213 | return -EINVAL; | 212 | return -EINVAL; |
214 | } | 213 | } |
215 | ext_header = mc + MC_HEADER_SIZE + data_size; | 214 | ext_header = mc + MC_HEADER_SIZE + data_size; |
216 | if (ext_table_size != exttable_size(ext_header)) { | 215 | if (ext_table_size != exttable_size(ext_header)) { |
217 | printk(KERN_ERR "microcode: error! " | 216 | pr_err("error! Bad exttable size in microcode data file\n"); |
218 | "Bad exttable size in microcode data file\n"); | ||
219 | return -EFAULT; | 217 | return -EFAULT; |
220 | } | 218 | } |
221 | ext_sigcount = ext_header->count; | 219 | ext_sigcount = ext_header->count; |
@@ -230,8 +228,7 @@ static int microcode_sanity_check(void *mc) | |||
230 | while (i--) | 228 | while (i--) |
231 | ext_table_sum += ext_tablep[i]; | 229 | ext_table_sum += ext_tablep[i]; |
232 | if (ext_table_sum) { | 230 | if (ext_table_sum) { |
233 | printk(KERN_WARNING "microcode: aborting, " | 231 | pr_warning("aborting, bad extended signature table checksum\n"); |
234 | "bad extended signature table checksum\n"); | ||
235 | return -EINVAL; | 232 | return -EINVAL; |
236 | } | 233 | } |
237 | } | 234 | } |
@@ -242,7 +239,7 @@ static int microcode_sanity_check(void *mc) | |||
242 | while (i--) | 239 | while (i--) |
243 | orig_sum += ((int *)mc)[i]; | 240 | orig_sum += ((int *)mc)[i]; |
244 | if (orig_sum) { | 241 | if (orig_sum) { |
245 | printk(KERN_ERR "microcode: aborting, bad checksum\n"); | 242 | pr_err("aborting, bad checksum\n"); |
246 | return -EINVAL; | 243 | return -EINVAL; |
247 | } | 244 | } |
248 | if (!ext_table_size) | 245 | if (!ext_table_size) |
@@ -255,7 +252,7 @@ static int microcode_sanity_check(void *mc) | |||
255 | - (mc_header->sig + mc_header->pf + mc_header->cksum) | 252 | - (mc_header->sig + mc_header->pf + mc_header->cksum) |
256 | + (ext_sig->sig + ext_sig->pf + ext_sig->cksum); | 253 | + (ext_sig->sig + ext_sig->pf + ext_sig->cksum); |
257 | if (sum) { | 254 | if (sum) { |
258 | printk(KERN_ERR "microcode: aborting, bad checksum\n"); | 255 | pr_err("aborting, bad checksum\n"); |
259 | return -EINVAL; | 256 | return -EINVAL; |
260 | } | 257 | } |
261 | } | 258 | } |
@@ -327,13 +324,11 @@ static int apply_microcode(int cpu) | |||
327 | rdmsr(MSR_IA32_UCODE_REV, val[0], val[1]); | 324 | rdmsr(MSR_IA32_UCODE_REV, val[0], val[1]); |
328 | 325 | ||
329 | if (val[1] != mc_intel->hdr.rev) { | 326 | if (val[1] != mc_intel->hdr.rev) { |
330 | printk(KERN_ERR "microcode: CPU%d update " | 327 | pr_err("CPU%d update to revision 0x%x failed\n", |
331 | "to revision 0x%x failed\n", | 328 | cpu_num, mc_intel->hdr.rev); |
332 | cpu_num, mc_intel->hdr.rev); | ||
333 | return -1; | 329 | return -1; |
334 | } | 330 | } |
335 | printk(KERN_INFO "microcode: CPU%d updated to revision " | 331 | pr_info("CPU%d updated to revision 0x%x, date = %04x-%02x-%02x \n", |
336 | "0x%x, date = %04x-%02x-%02x \n", | ||
337 | cpu_num, val[1], | 332 | cpu_num, val[1], |
338 | mc_intel->hdr.date & 0xffff, | 333 | mc_intel->hdr.date & 0xffff, |
339 | mc_intel->hdr.date >> 24, | 334 | mc_intel->hdr.date >> 24, |
@@ -362,8 +357,7 @@ static enum ucode_state generic_load_microcode(int cpu, void *data, size_t size, | |||
362 | 357 | ||
363 | mc_size = get_totalsize(&mc_header); | 358 | mc_size = get_totalsize(&mc_header); |
364 | if (!mc_size || mc_size > leftover) { | 359 | if (!mc_size || mc_size > leftover) { |
365 | printk(KERN_ERR "microcode: error!" | 360 | pr_err("error! Bad data in microcode data file\n"); |
366 | "Bad data in microcode data file\n"); | ||
367 | break; | 361 | break; |
368 | } | 362 | } |
369 | 363 | ||
@@ -405,9 +399,8 @@ static enum ucode_state generic_load_microcode(int cpu, void *data, size_t size, | |||
405 | vfree(uci->mc); | 399 | vfree(uci->mc); |
406 | uci->mc = (struct microcode_intel *)new_mc; | 400 | uci->mc = (struct microcode_intel *)new_mc; |
407 | 401 | ||
408 | pr_debug("microcode: CPU%d found a matching microcode update with" | 402 | pr_debug("CPU%d found a matching microcode update with version 0x%x (current=0x%x)\n", |
409 | " version 0x%x (current=0x%x)\n", | 403 | cpu, new_rev, uci->cpu_sig.rev); |
410 | cpu, new_rev, uci->cpu_sig.rev); | ||
411 | out: | 404 | out: |
412 | return state; | 405 | return state; |
413 | } | 406 | } |
@@ -429,7 +422,7 @@ static enum ucode_state request_microcode_fw(int cpu, struct device *device) | |||
429 | c->x86, c->x86_model, c->x86_mask); | 422 | c->x86, c->x86_model, c->x86_mask); |
430 | 423 | ||
431 | if (request_firmware(&firmware, name, device)) { | 424 | if (request_firmware(&firmware, name, device)) { |
432 | pr_debug("microcode: data file %s load failed\n", name); | 425 | pr_debug("data file %s load failed\n", name); |
433 | return UCODE_NFOUND; | 426 | return UCODE_NFOUND; |
434 | } | 427 | } |
435 | 428 | ||
diff --git a/arch/x86/kernel/process.c b/arch/x86/kernel/process.c index 5e2ba634ea15..7a7bd4e3ec49 100644 --- a/arch/x86/kernel/process.c +++ b/arch/x86/kernel/process.c | |||
@@ -10,6 +10,8 @@ | |||
10 | #include <linux/clockchips.h> | 10 | #include <linux/clockchips.h> |
11 | #include <linux/random.h> | 11 | #include <linux/random.h> |
12 | #include <linux/user-return-notifier.h> | 12 | #include <linux/user-return-notifier.h> |
13 | #include <linux/dmi.h> | ||
14 | #include <linux/utsname.h> | ||
13 | #include <trace/events/power.h> | 15 | #include <trace/events/power.h> |
14 | #include <linux/hw_breakpoint.h> | 16 | #include <linux/hw_breakpoint.h> |
15 | #include <asm/system.h> | 17 | #include <asm/system.h> |
@@ -90,6 +92,25 @@ void exit_thread(void) | |||
90 | } | 92 | } |
91 | } | 93 | } |
92 | 94 | ||
95 | void show_regs_common(void) | ||
96 | { | ||
97 | const char *board, *product; | ||
98 | |||
99 | board = dmi_get_system_info(DMI_BOARD_NAME); | ||
100 | if (!board) | ||
101 | board = ""; | ||
102 | product = dmi_get_system_info(DMI_PRODUCT_NAME); | ||
103 | if (!product) | ||
104 | product = ""; | ||
105 | |||
106 | printk("\n"); | ||
107 | printk(KERN_INFO "Pid: %d, comm: %.20s %s %s %.*s %s/%s\n", | ||
108 | current->pid, current->comm, print_tainted(), | ||
109 | init_utsname()->release, | ||
110 | (int)strcspn(init_utsname()->version, " "), | ||
111 | init_utsname()->version, board, product); | ||
112 | } | ||
113 | |||
93 | void flush_thread(void) | 114 | void flush_thread(void) |
94 | { | 115 | { |
95 | struct task_struct *tsk = current; | 116 | struct task_struct *tsk = current; |
diff --git a/arch/x86/kernel/process_32.c b/arch/x86/kernel/process_32.c index 075580b35682..120b88797a75 100644 --- a/arch/x86/kernel/process_32.c +++ b/arch/x86/kernel/process_32.c | |||
@@ -23,7 +23,6 @@ | |||
23 | #include <linux/vmalloc.h> | 23 | #include <linux/vmalloc.h> |
24 | #include <linux/user.h> | 24 | #include <linux/user.h> |
25 | #include <linux/interrupt.h> | 25 | #include <linux/interrupt.h> |
26 | #include <linux/utsname.h> | ||
27 | #include <linux/delay.h> | 26 | #include <linux/delay.h> |
28 | #include <linux/reboot.h> | 27 | #include <linux/reboot.h> |
29 | #include <linux/init.h> | 28 | #include <linux/init.h> |
@@ -35,7 +34,6 @@ | |||
35 | #include <linux/tick.h> | 34 | #include <linux/tick.h> |
36 | #include <linux/percpu.h> | 35 | #include <linux/percpu.h> |
37 | #include <linux/prctl.h> | 36 | #include <linux/prctl.h> |
38 | #include <linux/dmi.h> | ||
39 | #include <linux/ftrace.h> | 37 | #include <linux/ftrace.h> |
40 | #include <linux/uaccess.h> | 38 | #include <linux/uaccess.h> |
41 | #include <linux/io.h> | 39 | #include <linux/io.h> |
@@ -128,7 +126,6 @@ void __show_regs(struct pt_regs *regs, int all) | |||
128 | unsigned long d0, d1, d2, d3, d6, d7; | 126 | unsigned long d0, d1, d2, d3, d6, d7; |
129 | unsigned long sp; | 127 | unsigned long sp; |
130 | unsigned short ss, gs; | 128 | unsigned short ss, gs; |
131 | const char *board; | ||
132 | 129 | ||
133 | if (user_mode_vm(regs)) { | 130 | if (user_mode_vm(regs)) { |
134 | sp = regs->sp; | 131 | sp = regs->sp; |
@@ -140,16 +137,7 @@ void __show_regs(struct pt_regs *regs, int all) | |||
140 | savesegment(gs, gs); | 137 | savesegment(gs, gs); |
141 | } | 138 | } |
142 | 139 | ||
143 | printk("\n"); | 140 | show_regs_common(); |
144 | |||
145 | board = dmi_get_system_info(DMI_PRODUCT_NAME); | ||
146 | if (!board) | ||
147 | board = ""; | ||
148 | printk("Pid: %d, comm: %s %s (%s %.*s) %s\n", | ||
149 | task_pid_nr(current), current->comm, | ||
150 | print_tainted(), init_utsname()->release, | ||
151 | (int)strcspn(init_utsname()->version, " "), | ||
152 | init_utsname()->version, board); | ||
153 | 141 | ||
154 | printk("EIP: %04x:[<%08lx>] EFLAGS: %08lx CPU: %d\n", | 142 | printk("EIP: %04x:[<%08lx>] EFLAGS: %08lx CPU: %d\n", |
155 | (u16)regs->cs, regs->ip, regs->flags, | 143 | (u16)regs->cs, regs->ip, regs->flags, |
diff --git a/arch/x86/kernel/process_64.c b/arch/x86/kernel/process_64.c index c95c8f4e790a..e5ab0cd0ef36 100644 --- a/arch/x86/kernel/process_64.c +++ b/arch/x86/kernel/process_64.c | |||
@@ -26,7 +26,6 @@ | |||
26 | #include <linux/slab.h> | 26 | #include <linux/slab.h> |
27 | #include <linux/user.h> | 27 | #include <linux/user.h> |
28 | #include <linux/interrupt.h> | 28 | #include <linux/interrupt.h> |
29 | #include <linux/utsname.h> | ||
30 | #include <linux/delay.h> | 29 | #include <linux/delay.h> |
31 | #include <linux/module.h> | 30 | #include <linux/module.h> |
32 | #include <linux/ptrace.h> | 31 | #include <linux/ptrace.h> |
@@ -38,7 +37,6 @@ | |||
38 | #include <linux/uaccess.h> | 37 | #include <linux/uaccess.h> |
39 | #include <linux/io.h> | 38 | #include <linux/io.h> |
40 | #include <linux/ftrace.h> | 39 | #include <linux/ftrace.h> |
41 | #include <linux/dmi.h> | ||
42 | 40 | ||
43 | #include <asm/pgtable.h> | 41 | #include <asm/pgtable.h> |
44 | #include <asm/system.h> | 42 | #include <asm/system.h> |
@@ -163,18 +161,8 @@ void __show_regs(struct pt_regs *regs, int all) | |||
163 | unsigned long d0, d1, d2, d3, d6, d7; | 161 | unsigned long d0, d1, d2, d3, d6, d7; |
164 | unsigned int fsindex, gsindex; | 162 | unsigned int fsindex, gsindex; |
165 | unsigned int ds, cs, es; | 163 | unsigned int ds, cs, es; |
166 | const char *board; | 164 | |
167 | 165 | show_regs_common(); | |
168 | printk("\n"); | ||
169 | print_modules(); | ||
170 | board = dmi_get_system_info(DMI_PRODUCT_NAME); | ||
171 | if (!board) | ||
172 | board = ""; | ||
173 | printk(KERN_INFO "Pid: %d, comm: %.20s %s %s %.*s %s\n", | ||
174 | current->pid, current->comm, print_tainted(), | ||
175 | init_utsname()->release, | ||
176 | (int)strcspn(init_utsname()->version, " "), | ||
177 | init_utsname()->version, board); | ||
178 | printk(KERN_INFO "RIP: %04lx:[<%016lx>] ", regs->cs & 0xffff, regs->ip); | 166 | printk(KERN_INFO "RIP: %04lx:[<%016lx>] ", regs->cs & 0xffff, regs->ip); |
179 | printk_address(regs->ip, 1); | 167 | printk_address(regs->ip, 1); |
180 | printk(KERN_INFO "RSP: %04lx:%016lx EFLAGS: %08lx\n", regs->ss, | 168 | printk(KERN_INFO "RSP: %04lx:%016lx EFLAGS: %08lx\n", regs->ss, |
diff --git a/arch/x86/kernel/reboot.c b/arch/x86/kernel/reboot.c index 2b97fc5b124e..1545bc0c9845 100644 --- a/arch/x86/kernel/reboot.c +++ b/arch/x86/kernel/reboot.c | |||
@@ -259,6 +259,14 @@ static struct dmi_system_id __initdata reboot_dmi_table[] = { | |||
259 | DMI_MATCH(DMI_PRODUCT_NAME, "SBC-FITPC2"), | 259 | DMI_MATCH(DMI_PRODUCT_NAME, "SBC-FITPC2"), |
260 | }, | 260 | }, |
261 | }, | 261 | }, |
262 | { /* Handle problems with rebooting on ASUS P4S800 */ | ||
263 | .callback = set_bios_reboot, | ||
264 | .ident = "ASUS P4S800", | ||
265 | .matches = { | ||
266 | DMI_MATCH(DMI_BOARD_VENDOR, "ASUSTeK Computer INC."), | ||
267 | DMI_MATCH(DMI_BOARD_NAME, "P4S800"), | ||
268 | }, | ||
269 | }, | ||
262 | { } | 270 | { } |
263 | }; | 271 | }; |
264 | 272 | ||
diff --git a/arch/x86/kernel/setup_percpu.c b/arch/x86/kernel/setup_percpu.c index d559af913e1f..35abcb8b00e9 100644 --- a/arch/x86/kernel/setup_percpu.c +++ b/arch/x86/kernel/setup_percpu.c | |||
@@ -1,3 +1,5 @@ | |||
1 | #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt | ||
2 | |||
1 | #include <linux/kernel.h> | 3 | #include <linux/kernel.h> |
2 | #include <linux/module.h> | 4 | #include <linux/module.h> |
3 | #include <linux/init.h> | 5 | #include <linux/init.h> |
@@ -20,9 +22,9 @@ | |||
20 | #include <asm/stackprotector.h> | 22 | #include <asm/stackprotector.h> |
21 | 23 | ||
22 | #ifdef CONFIG_DEBUG_PER_CPU_MAPS | 24 | #ifdef CONFIG_DEBUG_PER_CPU_MAPS |
23 | # define DBG(x...) printk(KERN_DEBUG x) | 25 | # define DBG(fmt, ...) pr_dbg(fmt, ##__VA_ARGS__) |
24 | #else | 26 | #else |
25 | # define DBG(x...) | 27 | # define DBG(fmt, ...) do { if (0) pr_dbg(fmt, ##__VA_ARGS__); } while (0) |
26 | #endif | 28 | #endif |
27 | 29 | ||
28 | DEFINE_PER_CPU(int, cpu_number); | 30 | DEFINE_PER_CPU(int, cpu_number); |
@@ -116,8 +118,8 @@ static void * __init pcpu_alloc_bootmem(unsigned int cpu, unsigned long size, | |||
116 | } else { | 118 | } else { |
117 | ptr = __alloc_bootmem_node_nopanic(NODE_DATA(node), | 119 | ptr = __alloc_bootmem_node_nopanic(NODE_DATA(node), |
118 | size, align, goal); | 120 | size, align, goal); |
119 | pr_debug("per cpu data for cpu%d %lu bytes on node%d at " | 121 | pr_debug("per cpu data for cpu%d %lu bytes on node%d at %016lx\n", |
120 | "%016lx\n", cpu, size, node, __pa(ptr)); | 122 | cpu, size, node, __pa(ptr)); |
121 | } | 123 | } |
122 | return ptr; | 124 | return ptr; |
123 | #else | 125 | #else |
@@ -198,8 +200,7 @@ void __init setup_per_cpu_areas(void) | |||
198 | pcpu_cpu_distance, | 200 | pcpu_cpu_distance, |
199 | pcpu_fc_alloc, pcpu_fc_free); | 201 | pcpu_fc_alloc, pcpu_fc_free); |
200 | if (rc < 0) | 202 | if (rc < 0) |
201 | pr_warning("PERCPU: %s allocator failed (%d), " | 203 | pr_warning("%s allocator failed (%d), falling back to page size\n", |
202 | "falling back to page size\n", | ||
203 | pcpu_fc_names[pcpu_chosen_fc], rc); | 204 | pcpu_fc_names[pcpu_chosen_fc], rc); |
204 | } | 205 | } |
205 | if (rc < 0) | 206 | if (rc < 0) |
diff --git a/arch/x86/kvm/i8254.c b/arch/x86/kvm/i8254.c index fab7440c9bb2..296aba49472a 100644 --- a/arch/x86/kvm/i8254.c +++ b/arch/x86/kvm/i8254.c | |||
@@ -29,6 +29,8 @@ | |||
29 | * Based on QEMU and Xen. | 29 | * Based on QEMU and Xen. |
30 | */ | 30 | */ |
31 | 31 | ||
32 | #define pr_fmt(fmt) "pit: " fmt | ||
33 | |||
32 | #include <linux/kvm_host.h> | 34 | #include <linux/kvm_host.h> |
33 | 35 | ||
34 | #include "irq.h" | 36 | #include "irq.h" |
@@ -262,7 +264,7 @@ void __kvm_migrate_pit_timer(struct kvm_vcpu *vcpu) | |||
262 | 264 | ||
263 | static void destroy_pit_timer(struct kvm_timer *pt) | 265 | static void destroy_pit_timer(struct kvm_timer *pt) |
264 | { | 266 | { |
265 | pr_debug("pit: execute del timer!\n"); | 267 | pr_debug("execute del timer!\n"); |
266 | hrtimer_cancel(&pt->timer); | 268 | hrtimer_cancel(&pt->timer); |
267 | } | 269 | } |
268 | 270 | ||
@@ -284,7 +286,7 @@ static void create_pit_timer(struct kvm_kpit_state *ps, u32 val, int is_period) | |||
284 | 286 | ||
285 | interval = muldiv64(val, NSEC_PER_SEC, KVM_PIT_FREQ); | 287 | interval = muldiv64(val, NSEC_PER_SEC, KVM_PIT_FREQ); |
286 | 288 | ||
287 | pr_debug("pit: create pit timer, interval is %llu nsec\n", interval); | 289 | pr_debug("create pit timer, interval is %llu nsec\n", interval); |
288 | 290 | ||
289 | /* TODO The new value only affected after the retriggered */ | 291 | /* TODO The new value only affected after the retriggered */ |
290 | hrtimer_cancel(&pt->timer); | 292 | hrtimer_cancel(&pt->timer); |
@@ -309,7 +311,7 @@ static void pit_load_count(struct kvm *kvm, int channel, u32 val) | |||
309 | 311 | ||
310 | WARN_ON(!mutex_is_locked(&ps->lock)); | 312 | WARN_ON(!mutex_is_locked(&ps->lock)); |
311 | 313 | ||
312 | pr_debug("pit: load_count val is %d, channel is %d\n", val, channel); | 314 | pr_debug("load_count val is %d, channel is %d\n", val, channel); |
313 | 315 | ||
314 | /* | 316 | /* |
315 | * The largest possible initial count is 0; this is equivalent | 317 | * The largest possible initial count is 0; this is equivalent |
@@ -395,8 +397,8 @@ static int pit_ioport_write(struct kvm_io_device *this, | |||
395 | mutex_lock(&pit_state->lock); | 397 | mutex_lock(&pit_state->lock); |
396 | 398 | ||
397 | if (val != 0) | 399 | if (val != 0) |
398 | pr_debug("pit: write addr is 0x%x, len is %d, val is 0x%x\n", | 400 | pr_debug("write addr is 0x%x, len is %d, val is 0x%x\n", |
399 | (unsigned int)addr, len, val); | 401 | (unsigned int)addr, len, val); |
400 | 402 | ||
401 | if (addr == 3) { | 403 | if (addr == 3) { |
402 | channel = val >> 6; | 404 | channel = val >> 6; |
diff --git a/arch/x86/mm/kmmio.c b/arch/x86/mm/kmmio.c index 07bcc309cfda..c0f6198565eb 100644 --- a/arch/x86/mm/kmmio.c +++ b/arch/x86/mm/kmmio.c | |||
@@ -5,6 +5,8 @@ | |||
5 | * 2008 Pekka Paalanen <pq@iki.fi> | 5 | * 2008 Pekka Paalanen <pq@iki.fi> |
6 | */ | 6 | */ |
7 | 7 | ||
8 | #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt | ||
9 | |||
8 | #include <linux/list.h> | 10 | #include <linux/list.h> |
9 | #include <linux/rculist.h> | 11 | #include <linux/rculist.h> |
10 | #include <linux/spinlock.h> | 12 | #include <linux/spinlock.h> |
@@ -136,7 +138,7 @@ static int clear_page_presence(struct kmmio_fault_page *f, bool clear) | |||
136 | pte_t *pte = lookup_address(f->page, &level); | 138 | pte_t *pte = lookup_address(f->page, &level); |
137 | 139 | ||
138 | if (!pte) { | 140 | if (!pte) { |
139 | pr_err("kmmio: no pte for page 0x%08lx\n", f->page); | 141 | pr_err("no pte for page 0x%08lx\n", f->page); |
140 | return -1; | 142 | return -1; |
141 | } | 143 | } |
142 | 144 | ||
@@ -148,7 +150,7 @@ static int clear_page_presence(struct kmmio_fault_page *f, bool clear) | |||
148 | clear_pte_presence(pte, clear, &f->old_presence); | 150 | clear_pte_presence(pte, clear, &f->old_presence); |
149 | break; | 151 | break; |
150 | default: | 152 | default: |
151 | pr_err("kmmio: unexpected page level 0x%x.\n", level); | 153 | pr_err("unexpected page level 0x%x.\n", level); |
152 | return -1; | 154 | return -1; |
153 | } | 155 | } |
154 | 156 | ||
@@ -170,13 +172,14 @@ static int clear_page_presence(struct kmmio_fault_page *f, bool clear) | |||
170 | static int arm_kmmio_fault_page(struct kmmio_fault_page *f) | 172 | static int arm_kmmio_fault_page(struct kmmio_fault_page *f) |
171 | { | 173 | { |
172 | int ret; | 174 | int ret; |
173 | WARN_ONCE(f->armed, KERN_ERR "kmmio page already armed.\n"); | 175 | WARN_ONCE(f->armed, KERN_ERR pr_fmt("kmmio page already armed.\n")); |
174 | if (f->armed) { | 176 | if (f->armed) { |
175 | pr_warning("kmmio double-arm: page 0x%08lx, ref %d, old %d\n", | 177 | pr_warning("double-arm: page 0x%08lx, ref %d, old %d\n", |
176 | f->page, f->count, !!f->old_presence); | 178 | f->page, f->count, !!f->old_presence); |
177 | } | 179 | } |
178 | ret = clear_page_presence(f, true); | 180 | ret = clear_page_presence(f, true); |
179 | WARN_ONCE(ret < 0, KERN_ERR "kmmio arming 0x%08lx failed.\n", f->page); | 181 | WARN_ONCE(ret < 0, KERN_ERR pr_fmt("arming 0x%08lx failed.\n"), |
182 | f->page); | ||
180 | f->armed = true; | 183 | f->armed = true; |
181 | return ret; | 184 | return ret; |
182 | } | 185 | } |
@@ -240,24 +243,21 @@ int kmmio_handler(struct pt_regs *regs, unsigned long addr) | |||
240 | * condition needs handling by do_page_fault(), the | 243 | * condition needs handling by do_page_fault(), the |
241 | * page really not being present is the most common. | 244 | * page really not being present is the most common. |
242 | */ | 245 | */ |
243 | pr_debug("kmmio: secondary hit for 0x%08lx CPU %d.\n", | 246 | pr_debug("secondary hit for 0x%08lx CPU %d.\n", |
244 | addr, smp_processor_id()); | 247 | addr, smp_processor_id()); |
245 | 248 | ||
246 | if (!faultpage->old_presence) | 249 | if (!faultpage->old_presence) |
247 | pr_info("kmmio: unexpected secondary hit for " | 250 | pr_info("unexpected secondary hit for address 0x%08lx on CPU %d.\n", |
248 | "address 0x%08lx on CPU %d.\n", addr, | 251 | addr, smp_processor_id()); |
249 | smp_processor_id()); | ||
250 | } else { | 252 | } else { |
251 | /* | 253 | /* |
252 | * Prevent overwriting already in-flight context. | 254 | * Prevent overwriting already in-flight context. |
253 | * This should not happen, let's hope disarming at | 255 | * This should not happen, let's hope disarming at |
254 | * least prevents a panic. | 256 | * least prevents a panic. |
255 | */ | 257 | */ |
256 | pr_emerg("kmmio: recursive probe hit on CPU %d, " | 258 | pr_emerg("recursive probe hit on CPU %d, for address 0x%08lx. Ignoring.\n", |
257 | "for address 0x%08lx. Ignoring.\n", | 259 | smp_processor_id(), addr); |
258 | smp_processor_id(), addr); | 260 | pr_emerg("previous hit was at 0x%08lx.\n", ctx->addr); |
259 | pr_emerg("kmmio: previous hit was at 0x%08lx.\n", | ||
260 | ctx->addr); | ||
261 | disarm_kmmio_fault_page(faultpage); | 261 | disarm_kmmio_fault_page(faultpage); |
262 | } | 262 | } |
263 | goto no_kmmio_ctx; | 263 | goto no_kmmio_ctx; |
@@ -316,8 +316,8 @@ static int post_kmmio_handler(unsigned long condition, struct pt_regs *regs) | |||
316 | * something external causing them (f.e. using a debugger while | 316 | * something external causing them (f.e. using a debugger while |
317 | * mmio tracing enabled), or erroneous behaviour | 317 | * mmio tracing enabled), or erroneous behaviour |
318 | */ | 318 | */ |
319 | pr_warning("kmmio: unexpected debug trap on CPU %d.\n", | 319 | pr_warning("unexpected debug trap on CPU %d.\n", |
320 | smp_processor_id()); | 320 | smp_processor_id()); |
321 | goto out; | 321 | goto out; |
322 | } | 322 | } |
323 | 323 | ||
@@ -425,7 +425,7 @@ int register_kmmio_probe(struct kmmio_probe *p) | |||
425 | list_add_rcu(&p->list, &kmmio_probes); | 425 | list_add_rcu(&p->list, &kmmio_probes); |
426 | while (size < size_lim) { | 426 | while (size < size_lim) { |
427 | if (add_kmmio_fault_page(p->addr + size)) | 427 | if (add_kmmio_fault_page(p->addr + size)) |
428 | pr_err("kmmio: Unable to set page fault.\n"); | 428 | pr_err("Unable to set page fault.\n"); |
429 | size += PAGE_SIZE; | 429 | size += PAGE_SIZE; |
430 | } | 430 | } |
431 | out: | 431 | out: |
@@ -490,7 +490,7 @@ static void remove_kmmio_fault_pages(struct rcu_head *head) | |||
490 | * 2. remove_kmmio_fault_pages() | 490 | * 2. remove_kmmio_fault_pages() |
491 | * Remove the pages from kmmio_page_table. | 491 | * Remove the pages from kmmio_page_table. |
492 | * 3. rcu_free_kmmio_fault_pages() | 492 | * 3. rcu_free_kmmio_fault_pages() |
493 | * Actally free the kmmio_fault_page structs as with RCU. | 493 | * Actually free the kmmio_fault_page structs as with RCU. |
494 | */ | 494 | */ |
495 | void unregister_kmmio_probe(struct kmmio_probe *p) | 495 | void unregister_kmmio_probe(struct kmmio_probe *p) |
496 | { | 496 | { |
@@ -511,7 +511,7 @@ void unregister_kmmio_probe(struct kmmio_probe *p) | |||
511 | 511 | ||
512 | drelease = kmalloc(sizeof(*drelease), GFP_ATOMIC); | 512 | drelease = kmalloc(sizeof(*drelease), GFP_ATOMIC); |
513 | if (!drelease) { | 513 | if (!drelease) { |
514 | pr_crit("kmmio: leaking kmmio_fault_page objects.\n"); | 514 | pr_crit("leaking kmmio_fault_page objects.\n"); |
515 | return; | 515 | return; |
516 | } | 516 | } |
517 | drelease->release_list = release_list; | 517 | drelease->release_list = release_list; |
diff --git a/arch/x86/mm/mmio-mod.c b/arch/x86/mm/mmio-mod.c index 132772a8ec57..4c765e9c4664 100644 --- a/arch/x86/mm/mmio-mod.c +++ b/arch/x86/mm/mmio-mod.c | |||
@@ -19,6 +19,9 @@ | |||
19 | * | 19 | * |
20 | * Derived from the read-mod example from relay-examples by Tom Zanussi. | 20 | * Derived from the read-mod example from relay-examples by Tom Zanussi. |
21 | */ | 21 | */ |
22 | |||
23 | #define pr_fmt(fmt) "mmiotrace: " | ||
24 | |||
22 | #define DEBUG 1 | 25 | #define DEBUG 1 |
23 | 26 | ||
24 | #include <linux/module.h> | 27 | #include <linux/module.h> |
@@ -36,8 +39,6 @@ | |||
36 | 39 | ||
37 | #include "pf_in.h" | 40 | #include "pf_in.h" |
38 | 41 | ||
39 | #define NAME "mmiotrace: " | ||
40 | |||
41 | struct trap_reason { | 42 | struct trap_reason { |
42 | unsigned long addr; | 43 | unsigned long addr; |
43 | unsigned long ip; | 44 | unsigned long ip; |
@@ -96,17 +97,18 @@ static void print_pte(unsigned long address) | |||
96 | pte_t *pte = lookup_address(address, &level); | 97 | pte_t *pte = lookup_address(address, &level); |
97 | 98 | ||
98 | if (!pte) { | 99 | if (!pte) { |
99 | pr_err(NAME "Error in %s: no pte for page 0x%08lx\n", | 100 | pr_err("Error in %s: no pte for page 0x%08lx\n", |
100 | __func__, address); | 101 | __func__, address); |
101 | return; | 102 | return; |
102 | } | 103 | } |
103 | 104 | ||
104 | if (level == PG_LEVEL_2M) { | 105 | if (level == PG_LEVEL_2M) { |
105 | pr_emerg(NAME "4MB pages are not currently supported: " | 106 | pr_emerg("4MB pages are not currently supported: 0x%08lx\n", |
106 | "0x%08lx\n", address); | 107 | address); |
107 | BUG(); | 108 | BUG(); |
108 | } | 109 | } |
109 | pr_info(NAME "pte for 0x%lx: 0x%llx 0x%llx\n", address, | 110 | pr_info("pte for 0x%lx: 0x%llx 0x%llx\n", |
111 | address, | ||
110 | (unsigned long long)pte_val(*pte), | 112 | (unsigned long long)pte_val(*pte), |
111 | (unsigned long long)pte_val(*pte) & _PAGE_PRESENT); | 113 | (unsigned long long)pte_val(*pte) & _PAGE_PRESENT); |
112 | } | 114 | } |
@@ -118,22 +120,21 @@ static void print_pte(unsigned long address) | |||
118 | static void die_kmmio_nesting_error(struct pt_regs *regs, unsigned long addr) | 120 | static void die_kmmio_nesting_error(struct pt_regs *regs, unsigned long addr) |
119 | { | 121 | { |
120 | const struct trap_reason *my_reason = &get_cpu_var(pf_reason); | 122 | const struct trap_reason *my_reason = &get_cpu_var(pf_reason); |
121 | pr_emerg(NAME "unexpected fault for address: 0x%08lx, " | 123 | pr_emerg("unexpected fault for address: 0x%08lx, last fault for address: 0x%08lx\n", |
122 | "last fault for address: 0x%08lx\n", | 124 | addr, my_reason->addr); |
123 | addr, my_reason->addr); | ||
124 | print_pte(addr); | 125 | print_pte(addr); |
125 | print_symbol(KERN_EMERG "faulting IP is at %s\n", regs->ip); | 126 | print_symbol(KERN_EMERG "faulting IP is at %s\n", regs->ip); |
126 | print_symbol(KERN_EMERG "last faulting IP was at %s\n", my_reason->ip); | 127 | print_symbol(KERN_EMERG "last faulting IP was at %s\n", my_reason->ip); |
127 | #ifdef __i386__ | 128 | #ifdef __i386__ |
128 | pr_emerg("eax: %08lx ebx: %08lx ecx: %08lx edx: %08lx\n", | 129 | pr_emerg("eax: %08lx ebx: %08lx ecx: %08lx edx: %08lx\n", |
129 | regs->ax, regs->bx, regs->cx, regs->dx); | 130 | regs->ax, regs->bx, regs->cx, regs->dx); |
130 | pr_emerg("esi: %08lx edi: %08lx ebp: %08lx esp: %08lx\n", | 131 | pr_emerg("esi: %08lx edi: %08lx ebp: %08lx esp: %08lx\n", |
131 | regs->si, regs->di, regs->bp, regs->sp); | 132 | regs->si, regs->di, regs->bp, regs->sp); |
132 | #else | 133 | #else |
133 | pr_emerg("rax: %016lx rcx: %016lx rdx: %016lx\n", | 134 | pr_emerg("rax: %016lx rcx: %016lx rdx: %016lx\n", |
134 | regs->ax, regs->cx, regs->dx); | 135 | regs->ax, regs->cx, regs->dx); |
135 | pr_emerg("rsi: %016lx rdi: %016lx rbp: %016lx rsp: %016lx\n", | 136 | pr_emerg("rsi: %016lx rdi: %016lx rbp: %016lx rsp: %016lx\n", |
136 | regs->si, regs->di, regs->bp, regs->sp); | 137 | regs->si, regs->di, regs->bp, regs->sp); |
137 | #endif | 138 | #endif |
138 | put_cpu_var(pf_reason); | 139 | put_cpu_var(pf_reason); |
139 | BUG(); | 140 | BUG(); |
@@ -213,7 +214,7 @@ static void post(struct kmmio_probe *p, unsigned long condition, | |||
213 | /* this should always return the active_trace count to 0 */ | 214 | /* this should always return the active_trace count to 0 */ |
214 | my_reason->active_traces--; | 215 | my_reason->active_traces--; |
215 | if (my_reason->active_traces) { | 216 | if (my_reason->active_traces) { |
216 | pr_emerg(NAME "unexpected post handler"); | 217 | pr_emerg("unexpected post handler"); |
217 | BUG(); | 218 | BUG(); |
218 | } | 219 | } |
219 | 220 | ||
@@ -244,7 +245,7 @@ static void ioremap_trace_core(resource_size_t offset, unsigned long size, | |||
244 | }; | 245 | }; |
245 | 246 | ||
246 | if (!trace) { | 247 | if (!trace) { |
247 | pr_err(NAME "kmalloc failed in ioremap\n"); | 248 | pr_err("kmalloc failed in ioremap\n"); |
248 | return; | 249 | return; |
249 | } | 250 | } |
250 | 251 | ||
@@ -282,8 +283,8 @@ void mmiotrace_ioremap(resource_size_t offset, unsigned long size, | |||
282 | if (!is_enabled()) /* recheck and proper locking in *_core() */ | 283 | if (!is_enabled()) /* recheck and proper locking in *_core() */ |
283 | return; | 284 | return; |
284 | 285 | ||
285 | pr_debug(NAME "ioremap_*(0x%llx, 0x%lx) = %p\n", | 286 | pr_debug("ioremap_*(0x%llx, 0x%lx) = %p\n", |
286 | (unsigned long long)offset, size, addr); | 287 | (unsigned long long)offset, size, addr); |
287 | if ((filter_offset) && (offset != filter_offset)) | 288 | if ((filter_offset) && (offset != filter_offset)) |
288 | return; | 289 | return; |
289 | ioremap_trace_core(offset, size, addr); | 290 | ioremap_trace_core(offset, size, addr); |
@@ -301,7 +302,7 @@ static void iounmap_trace_core(volatile void __iomem *addr) | |||
301 | struct remap_trace *tmp; | 302 | struct remap_trace *tmp; |
302 | struct remap_trace *found_trace = NULL; | 303 | struct remap_trace *found_trace = NULL; |
303 | 304 | ||
304 | pr_debug(NAME "Unmapping %p.\n", addr); | 305 | pr_debug("Unmapping %p.\n", addr); |
305 | 306 | ||
306 | spin_lock_irq(&trace_lock); | 307 | spin_lock_irq(&trace_lock); |
307 | if (!is_enabled()) | 308 | if (!is_enabled()) |
@@ -363,9 +364,8 @@ static void clear_trace_list(void) | |||
363 | * Caller also ensures is_enabled() cannot change. | 364 | * Caller also ensures is_enabled() cannot change. |
364 | */ | 365 | */ |
365 | list_for_each_entry(trace, &trace_list, list) { | 366 | list_for_each_entry(trace, &trace_list, list) { |
366 | pr_notice(NAME "purging non-iounmapped " | 367 | pr_notice("purging non-iounmapped trace @0x%08lx, size 0x%lx.\n", |
367 | "trace @0x%08lx, size 0x%lx.\n", | 368 | trace->probe.addr, trace->probe.len); |
368 | trace->probe.addr, trace->probe.len); | ||
369 | if (!nommiotrace) | 369 | if (!nommiotrace) |
370 | unregister_kmmio_probe(&trace->probe); | 370 | unregister_kmmio_probe(&trace->probe); |
371 | } | 371 | } |
@@ -387,7 +387,7 @@ static void enter_uniprocessor(void) | |||
387 | 387 | ||
388 | if (downed_cpus == NULL && | 388 | if (downed_cpus == NULL && |
389 | !alloc_cpumask_var(&downed_cpus, GFP_KERNEL)) { | 389 | !alloc_cpumask_var(&downed_cpus, GFP_KERNEL)) { |
390 | pr_notice(NAME "Failed to allocate mask\n"); | 390 | pr_notice("Failed to allocate mask\n"); |
391 | goto out; | 391 | goto out; |
392 | } | 392 | } |
393 | 393 | ||
@@ -395,20 +395,19 @@ static void enter_uniprocessor(void) | |||
395 | cpumask_copy(downed_cpus, cpu_online_mask); | 395 | cpumask_copy(downed_cpus, cpu_online_mask); |
396 | cpumask_clear_cpu(cpumask_first(cpu_online_mask), downed_cpus); | 396 | cpumask_clear_cpu(cpumask_first(cpu_online_mask), downed_cpus); |
397 | if (num_online_cpus() > 1) | 397 | if (num_online_cpus() > 1) |
398 | pr_notice(NAME "Disabling non-boot CPUs...\n"); | 398 | pr_notice("Disabling non-boot CPUs...\n"); |
399 | put_online_cpus(); | 399 | put_online_cpus(); |
400 | 400 | ||
401 | for_each_cpu(cpu, downed_cpus) { | 401 | for_each_cpu(cpu, downed_cpus) { |
402 | err = cpu_down(cpu); | 402 | err = cpu_down(cpu); |
403 | if (!err) | 403 | if (!err) |
404 | pr_info(NAME "CPU%d is down.\n", cpu); | 404 | pr_info("CPU%d is down.\n", cpu); |
405 | else | 405 | else |
406 | pr_err(NAME "Error taking CPU%d down: %d\n", cpu, err); | 406 | pr_err("Error taking CPU%d down: %d\n", cpu, err); |
407 | } | 407 | } |
408 | out: | 408 | out: |
409 | if (num_online_cpus() > 1) | 409 | if (num_online_cpus() > 1) |
410 | pr_warning(NAME "multiple CPUs still online, " | 410 | pr_warning("multiple CPUs still online, may miss events.\n"); |
411 | "may miss events.\n"); | ||
412 | } | 411 | } |
413 | 412 | ||
414 | /* __ref because leave_uniprocessor calls cpu_up which is __cpuinit, | 413 | /* __ref because leave_uniprocessor calls cpu_up which is __cpuinit, |
@@ -420,13 +419,13 @@ static void __ref leave_uniprocessor(void) | |||
420 | 419 | ||
421 | if (downed_cpus == NULL || cpumask_weight(downed_cpus) == 0) | 420 | if (downed_cpus == NULL || cpumask_weight(downed_cpus) == 0) |
422 | return; | 421 | return; |
423 | pr_notice(NAME "Re-enabling CPUs...\n"); | 422 | pr_notice("Re-enabling CPUs...\n"); |
424 | for_each_cpu(cpu, downed_cpus) { | 423 | for_each_cpu(cpu, downed_cpus) { |
425 | err = cpu_up(cpu); | 424 | err = cpu_up(cpu); |
426 | if (!err) | 425 | if (!err) |
427 | pr_info(NAME "enabled CPU%d.\n", cpu); | 426 | pr_info("enabled CPU%d.\n", cpu); |
428 | else | 427 | else |
429 | pr_err(NAME "cannot re-enable CPU%d: %d\n", cpu, err); | 428 | pr_err("cannot re-enable CPU%d: %d\n", cpu, err); |
430 | } | 429 | } |
431 | } | 430 | } |
432 | 431 | ||
@@ -434,8 +433,8 @@ static void __ref leave_uniprocessor(void) | |||
434 | static void enter_uniprocessor(void) | 433 | static void enter_uniprocessor(void) |
435 | { | 434 | { |
436 | if (num_online_cpus() > 1) | 435 | if (num_online_cpus() > 1) |
437 | pr_warning(NAME "multiple CPUs are online, may miss events. " | 436 | pr_warning("multiple CPUs are online, may miss events. " |
438 | "Suggest booting with maxcpus=1 kernel argument.\n"); | 437 | "Suggest booting with maxcpus=1 kernel argument.\n"); |
439 | } | 438 | } |
440 | 439 | ||
441 | static void leave_uniprocessor(void) | 440 | static void leave_uniprocessor(void) |
@@ -450,13 +449,13 @@ void enable_mmiotrace(void) | |||
450 | goto out; | 449 | goto out; |
451 | 450 | ||
452 | if (nommiotrace) | 451 | if (nommiotrace) |
453 | pr_info(NAME "MMIO tracing disabled.\n"); | 452 | pr_info("MMIO tracing disabled.\n"); |
454 | kmmio_init(); | 453 | kmmio_init(); |
455 | enter_uniprocessor(); | 454 | enter_uniprocessor(); |
456 | spin_lock_irq(&trace_lock); | 455 | spin_lock_irq(&trace_lock); |
457 | atomic_inc(&mmiotrace_enabled); | 456 | atomic_inc(&mmiotrace_enabled); |
458 | spin_unlock_irq(&trace_lock); | 457 | spin_unlock_irq(&trace_lock); |
459 | pr_info(NAME "enabled.\n"); | 458 | pr_info("enabled.\n"); |
460 | out: | 459 | out: |
461 | mutex_unlock(&mmiotrace_mutex); | 460 | mutex_unlock(&mmiotrace_mutex); |
462 | } | 461 | } |
@@ -475,7 +474,7 @@ void disable_mmiotrace(void) | |||
475 | clear_trace_list(); /* guarantees: no more kmmio callbacks */ | 474 | clear_trace_list(); /* guarantees: no more kmmio callbacks */ |
476 | leave_uniprocessor(); | 475 | leave_uniprocessor(); |
477 | kmmio_cleanup(); | 476 | kmmio_cleanup(); |
478 | pr_info(NAME "disabled.\n"); | 477 | pr_info("disabled.\n"); |
479 | out: | 478 | out: |
480 | mutex_unlock(&mmiotrace_mutex); | 479 | mutex_unlock(&mmiotrace_mutex); |
481 | } | 480 | } |