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-rw-r--r--arch/x86/include/asm/amd_iommu_proto.h4
-rw-r--r--arch/x86/include/asm/system.h1
-rw-r--r--arch/x86/kernel/amd_iommu.c46
-rw-r--r--arch/x86/kernel/amd_iommu_init.c9
-rw-r--r--arch/x86/kernel/apic/apic_noop.c2
-rw-r--r--arch/x86/kernel/apic/es7000_32.c12
-rw-r--r--arch/x86/kernel/cpu/mcheck/mce.c5
-rw-r--r--arch/x86/kernel/microcode_amd.c40
-rw-r--r--arch/x86/kernel/microcode_core.c26
-rw-r--r--arch/x86/kernel/microcode_intel.c47
-rw-r--r--arch/x86/kernel/process.c21
-rw-r--r--arch/x86/kernel/process_32.c14
-rw-r--r--arch/x86/kernel/process_64.c16
-rw-r--r--arch/x86/kernel/reboot.c8
-rw-r--r--arch/x86/kernel/setup_percpu.c13
-rw-r--r--arch/x86/kvm/i8254.c12
-rw-r--r--arch/x86/mm/kmmio.c42
-rw-r--r--arch/x86/mm/mmio-mod.c71
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 84786fb..4d817f9 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);
extern void amd_iommu_flush_all_devices(void);
extern void amd_iommu_apply_erratum_63(u16 devid);
extern void amd_iommu_reset_cmd_buffer(struct amd_iommu *iommu);
-
+extern int amd_iommu_init_devices(void);
+extern void amd_iommu_uninit_devices(void);
+extern void amd_iommu_init_notifier(void);
#ifndef CONFIG_AMD_IOMMU_STATS
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 022a843..ecb544e 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,
struct tss_struct;
void __switch_to_xtra(struct task_struct *prev_p, struct task_struct *next_p,
struct tss_struct *tss);
+extern void show_regs_common(void);
#ifdef CONFIG_X86_32
diff --git a/arch/x86/kernel/amd_iommu.c b/arch/x86/kernel/amd_iommu.c
index 1c0fb4d..b990b5c 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)
{
kfree(dev->archdata.iommu);
}
+
+void __init amd_iommu_uninit_devices(void)
+{
+ struct pci_dev *pdev = NULL;
+
+ for_each_pci_dev(pdev) {
+
+ if (!check_device(&pdev->dev))
+ continue;
+
+ iommu_uninit_device(&pdev->dev);
+ }
+}
+
+int __init amd_iommu_init_devices(void)
+{
+ struct pci_dev *pdev = NULL;
+ int ret = 0;
+
+ for_each_pci_dev(pdev) {
+
+ if (!check_device(&pdev->dev))
+ continue;
+
+ ret = iommu_init_device(&pdev->dev);
+ if (ret)
+ goto out_free;
+ }
+
+ return 0;
+
+out_free:
+
+ amd_iommu_uninit_devices();
+
+ return ret;
+}
#ifdef CONFIG_AMD_IOMMU_STATS
/*
@@ -1587,6 +1624,11 @@ static struct notifier_block device_nb = {
.notifier_call = device_change_notifier,
};
+void amd_iommu_init_notifier(void)
+{
+ bus_register_notifier(&pci_bus_type, &device_nb);
+}
+
/*****************************************************************************
*
* The next functions belong to the dma_ops mapping/unmapping code.
@@ -2145,8 +2187,6 @@ static void prealloc_protection_domains(void)
if (!check_device(&dev->dev))
continue;
- iommu_init_device(&dev->dev);
-
/* Is there already any domain for it? */
if (domain_for_device(&dev->dev))
continue;
@@ -2215,8 +2255,6 @@ int __init amd_iommu_init_dma_ops(void)
register_iommu(&amd_iommu_ops);
- bus_register_notifier(&pci_bus_type, &device_nb);
-
amd_iommu_stats_init();
return 0;
diff --git a/arch/x86/kernel/amd_iommu_init.c b/arch/x86/kernel/amd_iommu_init.c
index 9c4a6f7..1dca9c3 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)
if (ret)
goto free;
+ ret = amd_iommu_init_devices();
+ if (ret)
+ goto free;
+
if (iommu_pass_through)
ret = amd_iommu_init_passthrough();
else
@@ -1281,6 +1285,8 @@ static int __init amd_iommu_init(void)
if (ret)
goto free;
+ amd_iommu_init_notifier();
+
enable_iommus();
if (iommu_pass_through)
@@ -1296,6 +1302,9 @@ out:
return ret;
free:
+
+ amd_iommu_uninit_devices();
+
free_pages((unsigned long)amd_iommu_pd_alloc_bitmap,
get_order(MAX_DOMAIN_ID/8));
diff --git a/arch/x86/kernel/apic/apic_noop.c b/arch/x86/kernel/apic/apic_noop.c
index d9acc3b..e31b9ff 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)
static void noop_apic_write(u32 reg, u32 v)
{
- WARN_ON_ONCE((cpu_has_apic || !disable_apic));
+ WARN_ON_ONCE(cpu_has_apic && !disable_apic);
}
struct apic apic_noop = {
diff --git a/arch/x86/kernel/apic/es7000_32.c b/arch/x86/kernel/apic/es7000_32.c
index e85f8fb..dd2b5f2 100644
--- a/arch/x86/kernel/apic/es7000_32.c
+++ b/arch/x86/kernel/apic/es7000_32.c
@@ -27,6 +27,9 @@
*
* http://www.unisys.com
*/
+
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
#include <linux/notifier.h>
#include <linux/spinlock.h>
#include <linux/cpumask.h>
@@ -223,9 +226,9 @@ static int parse_unisys_oem(char *oemptr)
mip_addr = val;
mip = (struct mip_reg *)val;
mip_reg = __va(mip);
- pr_debug("es7000_mipcfg: host_reg = 0x%lx \n",
+ pr_debug("host_reg = 0x%lx\n",
(unsigned long)host_reg);
- pr_debug("es7000_mipcfg: mip_reg = 0x%lx \n",
+ pr_debug("mip_reg = 0x%lx\n",
(unsigned long)mip_reg);
success++;
break;
@@ -401,7 +404,7 @@ static void es7000_enable_apic_mode(void)
if (!es7000_plat)
return;
- printk(KERN_INFO "ES7000: Enabling APIC mode.\n");
+ pr_info("Enabling APIC mode.\n");
memset(&es7000_mip_reg, 0, sizeof(struct mip_reg));
es7000_mip_reg.off_0x00 = MIP_SW_APIC;
es7000_mip_reg.off_0x38 = MIP_VALID;
@@ -514,8 +517,7 @@ static void es7000_setup_apic_routing(void)
{
int apic = per_cpu(x86_bios_cpu_apicid, smp_processor_id());
- printk(KERN_INFO
- "Enabling APIC mode: %s. Using %d I/O APICs, target cpus %lx\n",
+ pr_info("Enabling APIC mode: %s. Using %d I/O APICs, target cpus %lx\n",
(apic_version[apic] == 0x14) ?
"Physical Cluster" : "Logical Cluster",
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 d7ebf25..a8aacd4 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)
struct timer_list *t = &__get_cpu_var(mce_timer);
int *n = &__get_cpu_var(mce_next_interval);
+ setup_timer(t, mce_start_timer, smp_processor_id());
+
if (mce_ignore_ce)
return;
*n = check_interval * HZ;
if (!*n)
return;
- setup_timer(t, mce_start_timer, smp_processor_id());
t->expires = round_jiffies(jiffies + *n);
add_timer_on(t, smp_processor_id());
}
@@ -1928,7 +1929,7 @@ error2:
sysdev_remove_file(&per_cpu(mce_dev, cpu), &mce_banks[j].attr);
error:
while (--i >= 0)
- sysdev_remove_file(&per_cpu(mce_dev, cpu), &mce_banks[i].attr);
+ sysdev_remove_file(&per_cpu(mce_dev, cpu), mce_attrs[i]);
sysdev_unregister(&per_cpu(mce_dev, cpu));
diff --git a/arch/x86/kernel/microcode_amd.c b/arch/x86/kernel/microcode_amd.c
index 63123d9..37542b67 100644
--- a/arch/x86/kernel/microcode_amd.c
+++ b/arch/x86/kernel/microcode_amd.c
@@ -13,6 +13,9 @@
* Licensed under the terms of the GNU General Public
* License version 2. See file COPYING for details.
*/
+
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
#include <linux/firmware.h>
#include <linux/pci_ids.h>
#include <linux/uaccess.h>
@@ -81,7 +84,7 @@ static int collect_cpu_info_amd(int cpu, struct cpu_signature *csig)
memset(csig, 0, sizeof(*csig));
rdmsr(MSR_AMD64_PATCH_LEVEL, csig->rev, dummy);
- pr_info("microcode: CPU%d: patch_level=0x%x\n", cpu, csig->rev);
+ pr_info("CPU%d: patch_level=0x%x\n", cpu, csig->rev);
return 0;
}
@@ -111,8 +114,8 @@ static int get_matching_microcode(int cpu, void *mc, int rev)
/* ucode might be chipset specific -- currently we don't support this */
if (mc_header->nb_dev_id || mc_header->sb_dev_id) {
- pr_err(KERN_ERR "microcode: CPU%d: loading of chipset "
- "specific code not yet supported\n", cpu);
+ pr_err("CPU%d: loading of chipset specific code not yet supported\n",
+ cpu);
return 0;
}
@@ -141,12 +144,12 @@ static int apply_microcode_amd(int cpu)
/* check current patch id and patch's id for match */
if (rev != mc_amd->hdr.patch_id) {
- pr_err("microcode: CPU%d: update failed "
- "(for patch_level=0x%x)\n", cpu, mc_amd->hdr.patch_id);
+ pr_err("CPU%d: update failed (for patch_level=0x%x)\n",
+ cpu, mc_amd->hdr.patch_id);
return -1;
}
- pr_info("microcode: CPU%d: updated (new patch_level=0x%x)\n", cpu, rev);
+ pr_info("CPU%d: updated (new patch_level=0x%x)\n", cpu, rev);
uci->cpu_sig.rev = rev;
return 0;
@@ -169,15 +172,14 @@ get_next_ucode(const u8 *buf, unsigned int size, unsigned int *mc_size)
return NULL;
if (section_hdr[0] != UCODE_UCODE_TYPE) {
- pr_err("microcode: error: invalid type field in "
- "container file section header\n");
+ pr_err("error: invalid type field in container file section header\n");
return NULL;
}
total_size = (unsigned long) (section_hdr[4] + (section_hdr[5] << 8));
if (total_size > size || total_size > UCODE_MAX_SIZE) {
- pr_err("microcode: error: size mismatch\n");
+ pr_err("error: size mismatch\n");
return NULL;
}
@@ -206,14 +208,13 @@ static int install_equiv_cpu_table(const u8 *buf)
size = buf_pos[2];
if (buf_pos[1] != UCODE_EQUIV_CPU_TABLE_TYPE || !size) {
- pr_err("microcode: error: invalid type field in "
- "container file section header\n");
+ pr_err("error: invalid type field in container file section header\n");
return 0;
}
equiv_cpu_table = (struct equiv_cpu_entry *) vmalloc(size);
if (!equiv_cpu_table) {
- pr_err("microcode: failed to allocate equivalent CPU table\n");
+ pr_err("failed to allocate equivalent CPU table\n");
return 0;
}
@@ -246,7 +247,7 @@ generic_load_microcode(int cpu, const u8 *data, size_t size)
offset = install_equiv_cpu_table(ucode_ptr);
if (!offset) {
- pr_err("microcode: failed to create equivalent cpu table\n");
+ pr_err("failed to create equivalent cpu table\n");
return UCODE_ERROR;
}
@@ -277,8 +278,7 @@ generic_load_microcode(int cpu, const u8 *data, size_t size)
if (!leftover) {
vfree(uci->mc);
uci->mc = new_mc;
- pr_debug("microcode: CPU%d found a matching microcode "
- "update with version 0x%x (current=0x%x)\n",
+ pr_debug("CPU%d found a matching microcode update with version 0x%x (current=0x%x)\n",
cpu, new_rev, uci->cpu_sig.rev);
} else {
vfree(new_mc);
@@ -300,7 +300,7 @@ static enum ucode_state request_microcode_fw(int cpu, struct device *device)
return UCODE_NFOUND;
if (*(u32 *)firmware->data != UCODE_MAGIC) {
- pr_err("microcode: invalid UCODE_MAGIC (0x%08x)\n",
+ pr_err("invalid UCODE_MAGIC (0x%08x)\n",
*(u32 *)firmware->data);
return UCODE_ERROR;
}
@@ -313,8 +313,7 @@ static enum ucode_state request_microcode_fw(int cpu, struct device *device)
static enum ucode_state
request_microcode_user(int cpu, const void __user *buf, size_t size)
{
- pr_info("microcode: AMD microcode update via "
- "/dev/cpu/microcode not supported\n");
+ pr_info("AMD microcode update via /dev/cpu/microcode not supported\n");
return UCODE_ERROR;
}
@@ -334,14 +333,13 @@ void init_microcode_amd(struct device *device)
WARN_ON(c->x86_vendor != X86_VENDOR_AMD);
if (c->x86 < 0x10) {
- pr_warning("microcode: AMD CPU family 0x%x not supported\n",
- c->x86);
+ pr_warning("AMD CPU family 0x%x not supported\n", c->x86);
return;
}
supported_cpu = 1;
if (request_firmware(&firmware, fw_name, device))
- pr_err("microcode: failed to load file %s\n", fw_name);
+ pr_err("failed to load file %s\n", fw_name);
}
void fini_microcode_amd(void)
diff --git a/arch/x86/kernel/microcode_core.c b/arch/x86/kernel/microcode_core.c
index e68aae3..844c02c 100644
--- a/arch/x86/kernel/microcode_core.c
+++ b/arch/x86/kernel/microcode_core.c
@@ -70,6 +70,9 @@
* Fix sigmatch() macro to handle old CPUs with pf == 0.
* Thanks to Stuart Swales for pointing out this bug.
*/
+
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
#include <linux/platform_device.h>
#include <linux/miscdevice.h>
#include <linux/capability.h>
@@ -209,7 +212,7 @@ static ssize_t microcode_write(struct file *file, const char __user *buf,
ssize_t ret = -EINVAL;
if ((len >> PAGE_SHIFT) > totalram_pages) {
- pr_err("microcode: too much data (max %ld pages)\n", totalram_pages);
+ pr_err("too much data (max %ld pages)\n", totalram_pages);
return ret;
}
@@ -244,7 +247,7 @@ static int __init microcode_dev_init(void)
error = misc_register(&microcode_dev);
if (error) {
- pr_err("microcode: can't misc_register on minor=%d\n", MICROCODE_MINOR);
+ pr_err("can't misc_register on minor=%d\n", MICROCODE_MINOR);
return error;
}
@@ -359,7 +362,7 @@ static enum ucode_state microcode_resume_cpu(int cpu)
if (!uci->mc)
return UCODE_NFOUND;
- pr_debug("microcode: CPU%d updated upon resume\n", cpu);
+ pr_debug("CPU%d updated upon resume\n", cpu);
apply_microcode_on_target(cpu);
return UCODE_OK;
@@ -379,7 +382,7 @@ static enum ucode_state microcode_init_cpu(int cpu)
ustate = microcode_ops->request_microcode_fw(cpu, &microcode_pdev->dev);
if (ustate == UCODE_OK) {
- pr_debug("microcode: CPU%d updated upon init\n", cpu);
+ pr_debug("CPU%d updated upon init\n", cpu);
apply_microcode_on_target(cpu);
}
@@ -406,7 +409,7 @@ static int mc_sysdev_add(struct sys_device *sys_dev)
if (!cpu_online(cpu))
return 0;
- pr_debug("microcode: CPU%d added\n", cpu);
+ pr_debug("CPU%d added\n", cpu);
err = sysfs_create_group(&sys_dev->kobj, &mc_attr_group);
if (err)
@@ -425,7 +428,7 @@ static int mc_sysdev_remove(struct sys_device *sys_dev)
if (!cpu_online(cpu))
return 0;
- pr_debug("microcode: CPU%d removed\n", cpu);
+ pr_debug("CPU%d removed\n", cpu);
microcode_fini_cpu(cpu);
sysfs_remove_group(&sys_dev->kobj, &mc_attr_group);
return 0;
@@ -473,15 +476,15 @@ mc_cpu_callback(struct notifier_block *nb, unsigned long action, void *hcpu)
microcode_update_cpu(cpu);
case CPU_DOWN_FAILED:
case CPU_DOWN_FAILED_FROZEN:
- pr_debug("microcode: CPU%d added\n", cpu);
+ pr_debug("CPU%d added\n", cpu);
if (sysfs_create_group(&sys_dev->kobj, &mc_attr_group))
- pr_err("microcode: Failed to create group for CPU%d\n", cpu);
+ pr_err("Failed to create group for CPU%d\n", cpu);
break;
case CPU_DOWN_PREPARE:
case CPU_DOWN_PREPARE_FROZEN:
/* Suspend is in progress, only remove the interface */
sysfs_remove_group(&sys_dev->kobj, &mc_attr_group);
- pr_debug("microcode: CPU%d removed\n", cpu);
+ pr_debug("CPU%d removed\n", cpu);
break;
case CPU_DEAD:
case CPU_UP_CANCELED_FROZEN:
@@ -507,7 +510,7 @@ static int __init microcode_init(void)
microcode_ops = init_amd_microcode();
if (!microcode_ops) {
- pr_err("microcode: no support for this CPU vendor\n");
+ pr_err("no support for this CPU vendor\n");
return -ENODEV;
}
@@ -541,8 +544,7 @@ static int __init microcode_init(void)
register_hotcpu_notifier(&mc_cpu_notifier);
pr_info("Microcode Update Driver: v" MICROCODE_VERSION
- " <tigran@aivazian.fsnet.co.uk>,"
- " Peter Oruba\n");
+ " <tigran@aivazian.fsnet.co.uk>, Peter Oruba\n");
return 0;
}
diff --git a/arch/x86/kernel/microcode_intel.c b/arch/x86/kernel/microcode_intel.c
index 0d334dd..ebd193e 100644
--- a/arch/x86/kernel/microcode_intel.c
+++ b/arch/x86/kernel/microcode_intel.c
@@ -70,6 +70,9 @@
* Fix sigmatch() macro to handle old CPUs with pf == 0.
* Thanks to Stuart Swales for pointing out this bug.
*/
+
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
#include <linux/firmware.h>
#include <linux/uaccess.h>
#include <linux/kernel.h>
@@ -146,8 +149,7 @@ static int collect_cpu_info(int cpu_num, struct cpu_signature *csig)
if (c->x86_vendor != X86_VENDOR_INTEL || c->x86 < 6 ||
cpu_has(c, X86_FEATURE_IA64)) {
- printk(KERN_ERR "microcode: CPU%d not a capable Intel "
- "processor\n", cpu_num);
+ pr_err("CPU%d not a capable Intel processor\n", cpu_num);
return -1;
}
@@ -165,8 +167,8 @@ static int collect_cpu_info(int cpu_num, struct cpu_signature *csig)
/* get the current revision from MSR 0x8B */
rdmsr(MSR_IA32_UCODE_REV, val[0], csig->rev);
- printk(KERN_INFO "microcode: CPU%d sig=0x%x, pf=0x%x, revision=0x%x\n",
- cpu_num, csig->sig, csig->pf, csig->rev);
+ pr_info("CPU%d sig=0x%x, pf=0x%x, revision=0x%x\n",
+ cpu_num, csig->sig, csig->pf, csig->rev);
return 0;
}
@@ -194,28 +196,24 @@ static int microcode_sanity_check(void *mc)
data_size = get_datasize(mc_header);
if (data_size + MC_HEADER_SIZE > total_size) {
- printk(KERN_ERR "microcode: error! "
- "Bad data size in microcode data file\n");
+ pr_err("error! Bad data size in microcode data file\n");
return -EINVAL;
}
if (mc_header->ldrver != 1 || mc_header->hdrver != 1) {
- printk(KERN_ERR "microcode: error! "
- "Unknown microcode update format\n");
+ pr_err("error! Unknown microcode update format\n");
return -EINVAL;
}
ext_table_size = total_size - (MC_HEADER_SIZE + data_size);
if (ext_table_size) {
if ((ext_table_size < EXT_HEADER_SIZE)
|| ((ext_table_size - EXT_HEADER_SIZE) % EXT_SIGNATURE_SIZE)) {
- printk(KERN_ERR "microcode: error! "
- "Small exttable size in microcode data file\n");
+ pr_err("error! Small exttable size in microcode data file\n");
return -EINVAL;
}
ext_header = mc + MC_HEADER_SIZE + data_size;
if (ext_table_size != exttable_size(ext_header)) {
- printk(KERN_ERR "microcode: error! "
- "Bad exttable size in microcode data file\n");
+ pr_err("error! Bad exttable size in microcode data file\n");
return -EFAULT;
}
ext_sigcount = ext_header->count;
@@ -230,8 +228,7 @@ static int microcode_sanity_check(void *mc)
while (i--)
ext_table_sum += ext_tablep[i];
if (ext_table_sum) {
- printk(KERN_WARNING "microcode: aborting, "
- "bad extended signature table checksum\n");
+ pr_warning("aborting, bad extended signature table checksum\n");
return -EINVAL;
}
}
@@ -242,7 +239,7 @@ static int microcode_sanity_check(void *mc)
while (i--)
orig_sum += ((int *)mc)[i];
if (orig_sum) {
- printk(KERN_ERR "microcode: aborting, bad checksum\n");
+ pr_err("aborting, bad checksum\n");
return -EINVAL;
}
if (!ext_table_size)
@@ -255,7 +252,7 @@ static int microcode_sanity_check(void *mc)
- (mc_header->sig + mc_header->pf + mc_header->cksum)
+ (ext_sig->sig + ext_sig->pf + ext_sig->cksum);
if (sum) {
- printk(KERN_ERR "microcode: aborting, bad checksum\n");
+ pr_err("aborting, bad checksum\n");
return -EINVAL;
}
}
@@ -327,13 +324,11 @@ static int apply_microcode(int cpu)
rdmsr(MSR_IA32_UCODE_REV, val[0], val[1]);
if (val[1] != mc_intel->hdr.rev) {
- printk(KERN_ERR "microcode: CPU%d update "
- "to revision 0x%x failed\n",
- cpu_num, mc_intel->hdr.rev);
+ pr_err("CPU%d update to revision 0x%x failed\n",
+ cpu_num, mc_intel->hdr.rev);
return -1;
}
- printk(KERN_INFO "microcode: CPU%d updated to revision "
- "0x%x, date = %04x-%02x-%02x \n",
+ pr_info("CPU%d updated to revision 0x%x, date = %04x-%02x-%02x \n",
cpu_num, val[1],
mc_intel->hdr.date & 0xffff,
mc_intel->hdr.date >> 24,
@@ -362,8 +357,7 @@ static enum ucode_state generic_load_microcode(int cpu, void *data, size_t size,
mc_size = get_totalsize(&mc_header);
if (!mc_size || mc_size > leftover) {
- printk(KERN_ERR "microcode: error!"
- "Bad data in microcode data file\n");
+ pr_err("error! Bad data in microcode data file\n");
break;
}
@@ -405,9 +399,8 @@ static enum ucode_state generic_load_microcode(int cpu, void *data, size_t size,
vfree(uci->mc);
uci->mc = (struct microcode_intel *)new_mc;
- pr_debug("microcode: CPU%d found a matching microcode update with"
- " version 0x%x (current=0x%x)\n",
- cpu, new_rev, uci->cpu_sig.rev);
+ pr_debug("CPU%d found a matching microcode update with version 0x%x (current=0x%x)\n",
+ cpu, new_rev, uci->cpu_sig.rev);
out:
return state;
}
@@ -429,7 +422,7 @@ static enum ucode_state request_microcode_fw(int cpu, struct device *device)
c->x86, c->x86_model, c->x86_mask);
if (request_firmware(&firmware, name, device)) {
- pr_debug("microcode: data file %s load failed\n", name);
+ pr_debug("data file %s load failed\n", name);
return UCODE_NFOUND;
}
diff --git a/arch/x86/kernel/process.c b/arch/x86/kernel/process.c
index 5e2ba63..7a7bd4e 100644
--- a/arch/x86/kernel/process.c
+++ b/arch/x86/kernel/process.c
@@ -10,6 +10,8 @@
#include <linux/clockchips.h>
#include <linux/random.h>
#include <linux/user-return-notifier.h>
+#include <linux/dmi.h>
+#include <linux/utsname.h>
#include <trace/events/power.h>
#include <linux/hw_breakpoint.h>
#include <asm/system.h>
@@ -90,6 +92,25 @@ void exit_thread(void)
}
}
+void show_regs_common(void)
+{
+ const char *board, *product;
+
+ board = dmi_get_system_info(DMI_BOARD_NAME);
+ if (!board)
+ board = "";
+ product = dmi_get_system_info(DMI_PRODUCT_NAME);
+ if (!product)
+ product = "";
+
+ printk("\n");
+ printk(KERN_INFO "Pid: %d, comm: %.20s %s %s %.*s %s/%s\n",
+ current->pid, current->comm, print_tainted(),
+ init_utsname()->release,
+ (int)strcspn(init_utsname()->version, " "),
+ init_utsname()->version, board, product);
+}
+
void flush_thread(void)
{
struct task_struct *tsk = current;
diff --git a/arch/x86/kernel/process_32.c b/arch/x86/kernel/process_32.c
index 075580b..120b887 100644
--- a/arch/x86/kernel/process_32.c
+++ b/arch/x86/kernel/process_32.c
@@ -23,7 +23,6 @@
#include <linux/vmalloc.h>
#include <linux/user.h>
#include <linux/interrupt.h>
-#include <linux/utsname.h>
#include <linux/delay.h>
#include <linux/reboot.h>
#include <linux/init.h>
@@ -35,7 +34,6 @@
#include <linux/tick.h>
#include <linux/percpu.h>
#include <linux/prctl.h>
-#include <linux/dmi.h>
#include <linux/ftrace.h>
#include <linux/uaccess.h>
#include <linux/io.h>
@@ -128,7 +126,6 @@ void __show_regs(struct pt_regs *regs, int all)
unsigned long d0, d1, d2, d3, d6, d7;
unsigned long sp;
unsigned short ss, gs;
- const char *board;
if (user_mode_vm(regs)) {
sp = regs->sp;
@@ -140,16 +137,7 @@ void __show_regs(struct pt_regs *regs, int all)
savesegment(gs, gs);
}
- printk("\n");
-
- board = dmi_get_system_info(DMI_PRODUCT_NAME);
- if (!board)
- board = "";
- printk("Pid: %d, comm: %s %s (%s %.*s) %s\n",
- task_pid_nr(current), current->comm,
- print_tainted(), init_utsname()->release,
- (int)strcspn(init_utsname()->version, " "),
- init_utsname()->version, board);
+ show_regs_common();
printk("EIP: %04x:[<%08lx>] EFLAGS: %08lx CPU: %d\n",
(u16)regs->cs, regs->ip, regs->flags,
diff --git a/arch/x86/kernel/process_64.c b/arch/x86/kernel/process_64.c
index c95c8f4..e5ab0cd 100644
--- a/arch/x86/kernel/process_64.c
+++ b/arch/x86/kernel/process_64.c
@@ -26,7 +26,6 @@
#include <linux/slab.h>
#include <linux/user.h>
#include <linux/interrupt.h>
-#include <linux/utsname.h>
#include <linux/delay.h>
#include <linux/module.h>
#include <linux/ptrace.h>
@@ -38,7 +37,6 @@
#include <linux/uaccess.h>
#include <linux/io.h>
#include <linux/ftrace.h>
-#include <linux/dmi.h>
#include <asm/pgtable.h>
#include <asm/system.h>
@@ -163,18 +161,8 @@ void __show_regs(struct pt_regs *regs, int all)
unsigned long d0, d1, d2, d3, d6, d7;
unsigned int fsindex, gsindex;
unsigned int ds, cs, es;
- const char *board;
-
- printk("\n");
- print_modules();
- board = dmi_get_system_info(DMI_PRODUCT_NAME);
- if (!board)
- board = "";
- printk(KERN_INFO "Pid: %d, comm: %.20s %s %s %.*s %s\n",
- current->pid, current->comm, print_tainted(),
- init_utsname()->release,
- (int)strcspn(init_utsname()->version, " "),
- init_utsname()->version, board);
+
+ show_regs_common();
printk(KERN_INFO "RIP: %04lx:[<%016lx>] ", regs->cs & 0xffff, regs->ip);
printk_address(regs->ip, 1);
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 2b97fc5..1545bc0 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[] = {
DMI_MATCH(DMI_PRODUCT_NAME, "SBC-FITPC2"),
},
},
+ { /* Handle problems with rebooting on ASUS P4S800 */
+ .callback = set_bios_reboot,
+ .ident = "ASUS P4S800",
+ .matches = {
+ DMI_MATCH(DMI_BOARD_VENDOR, "ASUSTeK Computer INC."),
+ DMI_MATCH(DMI_BOARD_NAME, "P4S800"),
+ },
+ },
{ }
};
diff --git a/arch/x86/kernel/setup_percpu.c b/arch/x86/kernel/setup_percpu.c
index d559af9..35abcb8 100644
--- a/arch/x86/kernel/setup_percpu.c
+++ b/arch/x86/kernel/setup_percpu.c
@@ -1,3 +1,5 @@
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/init.h>
@@ -20,9 +22,9 @@
#include <asm/stackprotector.h>
#ifdef CONFIG_DEBUG_PER_CPU_MAPS
-# define DBG(x...) printk(KERN_DEBUG x)
+# define DBG(fmt, ...) pr_dbg(fmt, ##__VA_ARGS__)
#else
-# define DBG(x...)
+# define DBG(fmt, ...) do { if (0) pr_dbg(fmt, ##__VA_ARGS__); } while (0)
#endif
DEFINE_PER_CPU(int, cpu_number);
@@ -116,8 +118,8 @@ static void * __init pcpu_alloc_bootmem(unsigned int cpu, unsigned long size,
} else {
ptr = __alloc_bootmem_node_nopanic(NODE_DATA(node),
size, align, goal);
- pr_debug("per cpu data for cpu%d %lu bytes on node%d at "
- "%016lx\n", cpu, size, node, __pa(ptr));
+ pr_debug("per cpu data for cpu%d %lu bytes on node%d at %016lx\n",
+ cpu, size, node, __pa(ptr));
}
return ptr;
#else
@@ -198,8 +200,7 @@ void __init setup_per_cpu_areas(void)
pcpu_cpu_distance,
pcpu_fc_alloc, pcpu_fc_free);
if (rc < 0)
- pr_warning("PERCPU: %s allocator failed (%d), "
- "falling back to page size\n",
+ pr_warning("%s allocator failed (%d), falling back to page size\n",
pcpu_fc_names[pcpu_chosen_fc], rc);
}
if (rc < 0)
diff --git a/arch/x86/kvm/i8254.c b/arch/x86/kvm/i8254.c
index fab7440..296aba4 100644
--- a/arch/x86/kvm/i8254.c
+++ b/arch/x86/kvm/i8254.c
@@ -29,6 +29,8 @@
* Based on QEMU and Xen.
*/
+#define pr_fmt(fmt) "pit: " fmt
+
#include <linux/kvm_host.h>
#include "irq.h"
@@ -262,7 +264,7 @@ void __kvm_migrate_pit_timer(struct kvm_vcpu *vcpu)
static void destroy_pit_timer(struct kvm_timer *pt)
{
- pr_debug("pit: execute del timer!\n");
+ pr_debug("execute del timer!\n");
hrtimer_cancel(&pt->timer);
}
@@ -284,7 +286,7 @@ static void create_pit_timer(struct kvm_kpit_state *ps, u32 val, int is_period)
interval = muldiv64(val, NSEC_PER_SEC, KVM_PIT_FREQ);
- pr_debug("pit: create pit timer, interval is %llu nsec\n", interval);
+ pr_debug("create pit timer, interval is %llu nsec\n", interval);
/* TODO The new value only affected after the retriggered */
hrtimer_cancel(&pt->timer);
@@ -309,7 +311,7 @@ static void pit_load_count(struct kvm *kvm, int channel, u32 val)
WARN_ON(!mutex_is_locked(&ps->lock));
- pr_debug("pit: load_count val is %d, channel is %d\n", val, channel);
+ pr_debug("load_count val is %d, channel is %d\n", val, channel);
/*
* The largest possible initial count is 0; this is equivalent
@@ -395,8 +397,8 @@ static int pit_ioport_write(struct kvm_io_device *this,
mutex_lock(&pit_state->lock);
if (val != 0)
- pr_debug("pit: write addr is 0x%x, len is %d, val is 0x%x\n",
- (unsigned int)addr, len, val);
+ pr_debug("write addr is 0x%x, len is %d, val is 0x%x\n",
+ (unsigned int)addr, len, val);
if (addr == 3) {
channel = val >> 6;
diff --git a/arch/x86/mm/kmmio.c b/arch/x86/mm/kmmio.c
index 07bcc30..c0f6198 100644
--- a/arch/x86/mm/kmmio.c
+++ b/arch/x86/mm/kmmio.c
@@ -5,6 +5,8 @@
* 2008 Pekka Paalanen <pq@iki.fi>
*/
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
#include <linux/list.h>
#include <linux/rculist.h>
#include <linux/spinlock.h>
@@ -136,7 +138,7 @@ static int clear_page_presence(struct kmmio_fault_page *f, bool clear)
pte_t *pte = lookup_address(f->page, &level);
if (!pte) {
- pr_err("kmmio: no pte for page 0x%08lx\n", f->page);
+ pr_err("no pte for page 0x%08lx\n", f->page);
return -1;
}
@@ -148,7 +150,7 @@ static int clear_page_presence(struct kmmio_fault_page *f, bool clear)
clear_pte_presence(pte, clear, &f->old_presence);
break;
default:
- pr_err("kmmio: unexpected page level 0x%x.\n", level);
+ pr_err("unexpected page level 0x%x.\n", level);
return -1;
}
@@ -170,13 +172,14 @@ static int clear_page_presence(struct kmmio_fault_page *f, bool clear)
static int arm_kmmio_fault_page(struct kmmio_fault_page *f)
{
int ret;
- WARN_ONCE(f->armed, KERN_ERR "kmmio page already armed.\n");
+ WARN_ONCE(f->armed, KERN_ERR pr_fmt("kmmio page already armed.\n"));
if (f->armed) {
- pr_warning("kmmio double-arm: page 0x%08lx, ref %d, old %d\n",
- f->page, f->count, !!f->old_presence);
+ pr_warning("double-arm: page 0x%08lx, ref %d, old %d\n",
+ f->page, f->count, !!f->old_presence);
}
ret = clear_page_presence(f, true);
- WARN_ONCE(ret < 0, KERN_ERR "kmmio arming 0x%08lx failed.\n", f->page);
+ WARN_ONCE(ret < 0, KERN_ERR pr_fmt("arming 0x%08lx failed.\n"),
+ f->page);
f->armed = true;
return ret;
}
@@ -240,24 +243,21 @@ int kmmio_handler(struct pt_regs *regs, unsigned long addr)
* condition needs handling by do_page_fault(), the
* page really not being present is the most common.
*/
- pr_debug("kmmio: secondary hit for 0x%08lx CPU %d.\n",
- addr, smp_processor_id());
+ pr_debug("secondary hit for 0x%08lx CPU %d.\n",
+ addr, smp_processor_id());
if (!faultpage->old_presence)
- pr_info("kmmio: unexpected secondary hit for "
- "address 0x%08lx on CPU %d.\n", addr,
- smp_processor_id());
+ pr_info("unexpected secondary hit for address 0x%08lx on CPU %d.\n",
+ addr, smp_processor_id());
} else {
/*
* Prevent overwriting already in-flight context.
* This should not happen, let's hope disarming at
* least prevents a panic.
*/
- pr_emerg("kmmio: recursive probe hit on CPU %d, "
- "for address 0x%08lx. Ignoring.\n",
- smp_processor_id(), addr);
- pr_emerg("kmmio: previous hit was at 0x%08lx.\n",
- ctx->addr);
+ pr_emerg("recursive probe hit on CPU %d, for address 0x%08lx. Ignoring.\n",
+ smp_processor_id(), addr);
+ pr_emerg("previous hit was at 0x%08lx.\n", ctx->addr);
disarm_kmmio_fault_page(faultpage);
}
goto no_kmmio_ctx;
@@ -316,8 +316,8 @@ static int post_kmmio_handler(unsigned long condition, struct pt_regs *regs)
* something external causing them (f.e. using a debugger while
* mmio tracing enabled), or erroneous behaviour
*/
- pr_warning("kmmio: unexpected debug trap on CPU %d.\n",
- smp_processor_id());
+ pr_warning("unexpected debug trap on CPU %d.\n",
+ smp_processor_id());
goto out;
}
@@ -425,7 +425,7 @@ int register_kmmio_probe(struct kmmio_probe *p)
list_add_rcu(&p->list, &kmmio_probes);
while (size < size_lim) {
if (add_kmmio_fault_page(p->addr + size))
- pr_err("kmmio: Unable to set page fault.\n");
+ pr_err("Unable to set page fault.\n");
size += PAGE_SIZE;
}
out:
@@ -490,7 +490,7 @@ static void remove_kmmio_fault_pages(struct rcu_head *head)
* 2. remove_kmmio_fault_pages()
* Remove the pages from kmmio_page_table.
* 3. rcu_free_kmmio_fault_pages()
- * Actally free the kmmio_fault_page structs as with RCU.
+ * Actually free the kmmio_fault_page structs as with RCU.
*/
void unregister_kmmio_probe(struct kmmio_probe *p)
{
@@ -511,7 +511,7 @@ void unregister_kmmio_probe(struct kmmio_probe *p)
drelease = kmalloc(sizeof(*drelease), GFP_ATOMIC);
if (!drelease) {
- pr_crit("kmmio: leaking kmmio_fault_page objects.\n");
+ pr_crit("leaking kmmio_fault_page objects.\n");
return;
}
drelease->release_list = release_list;
diff --git a/arch/x86/mm/mmio-mod.c b/arch/x86/mm/mmio-mod.c
index 132772a..4c765e9 100644
--- a/arch/x86/mm/mmio-mod.c
+++ b/arch/x86/mm/mmio-mod.c
@@ -19,6 +19,9 @@
*
* Derived from the read-mod example from relay-examples by Tom Zanussi.
*/
+
+#define pr_fmt(fmt) "mmiotrace: "
+
#define DEBUG 1
#include <linux/module.h>
@@ -36,8 +39,6 @@
#include "pf_in.h"
-#define NAME "mmiotrace: "
-
struct trap_reason {
unsigned long addr;
unsigned long ip;
@@ -96,17 +97,18 @@ static void print_pte(unsigned long address)
pte_t *pte = lookup_address(address, &level);
if (!pte) {
- pr_err(NAME "Error in %s: no pte for page 0x%08lx\n",
- __func__, address);
+ pr_err("Error in %s: no pte for page 0x%08lx\n",
+ __func__, address);
return;
}
if (level == PG_LEVEL_2M) {
- pr_emerg(NAME "4MB pages are not currently supported: "
- "0x%08lx\n", address);
+ pr_emerg("4MB pages are not currently supported: 0x%08lx\n",
+ address);
BUG();
}
- pr_info(NAME "pte for 0x%lx: 0x%llx 0x%llx\n", address,
+ pr_info("pte for 0x%lx: 0x%llx 0x%llx\n",
+ address,
(unsigned long long)pte_val(*pte),
(unsigned long long)pte_val(*pte) & _PAGE_PRESENT);
}
@@ -118,22 +120,21 @@ static void print_pte(unsigned long address)
static void die_kmmio_nesting_error(struct pt_regs *regs, unsigned long addr)
{
const struct trap_reason *my_reason = &get_cpu_var(pf_reason);
- pr_emerg(NAME "unexpected fault for address: 0x%08lx, "
- "last fault for address: 0x%08lx\n",
- addr, my_reason->addr);
+ pr_emerg("unexpected fault for address: 0x%08lx, last fault for address: 0x%08lx\n",
+ addr, my_reason->addr);
print_pte(addr);
print_symbol(KERN_EMERG "faulting IP is at %s\n", regs->ip);
print_symbol(KERN_EMERG "last faulting IP was at %s\n", my_reason->ip);
#ifdef __i386__
pr_emerg("eax: %08lx ebx: %08lx ecx: %08lx edx: %08lx\n",
- regs->ax, regs->bx, regs->cx, regs->dx);
+ regs->ax, regs->bx, regs->cx, regs->dx);
pr_emerg("esi: %08lx edi: %08lx ebp: %08lx esp: %08lx\n",
- regs->si, regs->di, regs->bp, regs->sp);
+ regs->si, regs->di, regs->bp, regs->sp);
#else
pr_emerg("rax: %016lx rcx: %016lx rdx: %016lx\n",
- regs->ax, regs->cx, regs->dx);
+ regs->ax, regs->cx, regs->dx);
pr_emerg("rsi: %016lx rdi: %016lx rbp: %016lx rsp: %016lx\n",
- regs->si, regs->di, regs->bp, regs->sp);
+ regs->si, regs->di, regs->bp, regs->sp);
#endif
put_cpu_var(pf_reason);
BUG();
@@ -213,7 +214,7 @@ static void post(struct kmmio_probe *p, unsigned long condition,
/* this should always return the active_trace count to 0 */
my_reason->active_traces--;
if (my_reason->active_traces) {
- pr_emerg(NAME "unexpected post handler");
+ pr_emerg("unexpected post handler");
BUG();
}
@@ -244,7 +245,7 @@ static void ioremap_trace_core(resource_size_t offset, unsigned long size,
};
if (!trace) {
- pr_err(NAME "kmalloc failed in ioremap\n");
+ pr_err("kmalloc failed in ioremap\n");
return;
}
@@ -282,8 +283,8 @@ void mmiotrace_ioremap(resource_size_t offset, unsigned long size,
if (!is_enabled()) /* recheck and proper locking in *_core() */
return;
- pr_debug(NAME "ioremap_*(0x%llx, 0x%lx) = %p\n",
- (unsigned long long)offset, size, addr);
+ pr_debug("ioremap_*(0x%llx, 0x%lx) = %p\n",
+ (unsigned long long)offset, size, addr);
if ((filter_offset) && (offset != filter_offset))
return;
ioremap_trace_core(offset, size, addr);
@@ -301,7 +302,7 @@ static void iounmap_trace_core(volatile void __iomem *addr)
struct remap_trace *tmp;
struct remap_trace *found_trace = NULL;
- pr_debug(NAME "Unmapping %p.\n", addr);
+ pr_debug("Unmapping %p.\n", addr);
spin_lock_irq(&trace_lock);
if (!is_enabled())
@@ -363,9 +364,8 @@ static void clear_trace_list(void)
* Caller also ensures is_enabled() cannot change.
*/
list_for_each_entry(trace, &trace_list, list) {
- pr_notice(NAME "purging non-iounmapped "
- "trace @0x%08lx, size 0x%lx.\n",
- trace->probe.addr, trace->probe.len);
+ pr_notice("purging non-iounmapped trace @0x%08lx, size 0x%lx.\n",
+ trace->probe.addr, trace->probe.len);
if (!nommiotrace)
unregister_kmmio_probe(&trace->probe);
}
@@ -387,7 +387,7 @@ static void enter_uniprocessor(void)
if (downed_cpus == NULL &&
!alloc_cpumask_var(&downed_cpus, GFP_KERNEL)) {
- pr_notice(NAME "Failed to allocate mask\n");
+ pr_notice("Failed to allocate mask\n");
goto out;
}
@@ -395,20 +395,19 @@ static void enter_uniprocessor(void)
cpumask_copy(downed_cpus, cpu_online_mask);
cpumask_clear_cpu(cpumask_first(cpu_online_mask), downed_cpus);
if (num_online_cpus() > 1)
- pr_notice(NAME "Disabling non-boot CPUs...\n");
+ pr_notice("Disabling non-boot CPUs...\n");
put_online_cpus();
for_each_cpu(cpu, downed_cpus) {
err = cpu_down(cpu);
if (!err)
- pr_info(NAME "CPU%d is down.\n", cpu);
+ pr_info("CPU%d is down.\n", cpu);
else
- pr_err(NAME "Error taking CPU%d down: %d\n", cpu, err);
+ pr_err("Error taking CPU%d down: %d\n", cpu, err);
}
out:
if (num_online_cpus() > 1)
- pr_warning(NAME "multiple CPUs still online, "
- "may miss events.\n");
+ pr_warning("multiple CPUs still online, may miss events.\n");
}
/* __ref because leave_uniprocessor calls cpu_up which is __cpuinit,
@@ -420,13 +419,13 @@ static void __ref leave_uniprocessor(void)
if (downed_cpus == NULL || cpumask_weight(downed_cpus) == 0)
return;
- pr_notice(NAME "Re-enabling CPUs...\n");
+ pr_notice("Re-enabling CPUs...\n");
for_each_cpu(cpu, downed_cpus) {
err = cpu_up(cpu);
if (!err)
- pr_info(NAME "enabled CPU%d.\n", cpu);
+ pr_info("enabled CPU%d.\n", cpu);
else
- pr_err(NAME "cannot re-enable CPU%d: %d\n", cpu, err);
+ pr_err("cannot re-enable CPU%d: %d\n", cpu, err);
}
}
@@ -434,8 +433,8 @@ static void __ref leave_uniprocessor(void)
static void enter_uniprocessor(void)
{
if (num_online_cpus() > 1)
- pr_warning(NAME "multiple CPUs are online, may miss events. "
- "Suggest booting with maxcpus=1 kernel argument.\n");
+ pr_warning("multiple CPUs are online, may miss events. "
+ "Suggest booting with maxcpus=1 kernel argument.\n");
}
static void leave_uniprocessor(void)
@@ -450,13 +449,13 @@ void enable_mmiotrace(void)
goto out;
if (nommiotrace)
- pr_info(NAME "MMIO tracing disabled.\n");
+ pr_info("MMIO tracing disabled.\n");
kmmio_init();
enter_uniprocessor();
spin_lock_irq(&trace_lock);
atomic_inc(&mmiotrace_enabled);
spin_unlock_irq(&trace_lock);
- pr_info(NAME "enabled.\n");
+ pr_info("enabled.\n");
out:
mutex_unlock(&mmiotrace_mutex);
}
@@ -475,7 +474,7 @@ void disable_mmiotrace(void)
clear_trace_list(); /* guarantees: no more kmmio callbacks */
leave_uniprocessor();
kmmio_cleanup();
- pr_info(NAME "disabled.\n");
+ pr_info("disabled.\n");
out:
mutex_unlock(&mmiotrace_mutex);
}
generated by cgit v1.1 at 2024-12-26 09:27:43 +0000