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-rw-r--r--arch/x86/kernel/cpu/intel_cacheinfo.c2
-rw-r--r--arch/x86/kernel/cpu/mcheck/mce.c6
-rw-r--r--arch/x86/kernel/cpu/mcheck/mce_amd.c10
-rw-r--r--arch/x86/kernel/reboot.c8
-rw-r--r--arch/x86/kernel/setup.c17
-rw-r--r--arch/x86/realmode/rm/wakeup_asm.S15
6 files changed, 24 insertions, 34 deletions
diff --git a/arch/x86/kernel/cpu/intel_cacheinfo.c b/arch/x86/kernel/cpu/intel_cacheinfo.c
index 9a7c90d80bc..93c5451bdd5 100644
--- a/arch/x86/kernel/cpu/intel_cacheinfo.c
+++ b/arch/x86/kernel/cpu/intel_cacheinfo.c
@@ -991,7 +991,7 @@ static struct attribute ** __cpuinit amd_l3_attrs(void)
if (attrs)
return attrs;
- n = sizeof (default_attrs) / sizeof (struct attribute *);
+ n = ARRAY_SIZE(default_attrs);
if (amd_nb_has_feature(AMD_NB_L3_INDEX_DISABLE))
n += 2;
diff --git a/arch/x86/kernel/cpu/mcheck/mce.c b/arch/x86/kernel/cpu/mcheck/mce.c
index 29e87d3b284..46cbf868969 100644
--- a/arch/x86/kernel/cpu/mcheck/mce.c
+++ b/arch/x86/kernel/cpu/mcheck/mce.c
@@ -2209,11 +2209,6 @@ static struct dev_ext_attribute dev_attr_cmci_disabled = {
&mce_cmci_disabled
};
-static struct dev_ext_attribute dev_attr_bios_cmci_threshold = {
- __ATTR(bios_cmci_threshold, 0444, device_show_int, NULL),
- &mce_bios_cmci_threshold
-};
-
static struct device_attribute *mce_device_attrs[] = {
&dev_attr_tolerant.attr,
&dev_attr_check_interval.attr,
@@ -2222,7 +2217,6 @@ static struct device_attribute *mce_device_attrs[] = {
&dev_attr_dont_log_ce.attr,
&dev_attr_ignore_ce.attr,
&dev_attr_cmci_disabled.attr,
- &dev_attr_bios_cmci_threshold.attr,
NULL
};
diff --git a/arch/x86/kernel/cpu/mcheck/mce_amd.c b/arch/x86/kernel/cpu/mcheck/mce_amd.c
index c4e916d7737..698b6ec12e0 100644
--- a/arch/x86/kernel/cpu/mcheck/mce_amd.c
+++ b/arch/x86/kernel/cpu/mcheck/mce_amd.c
@@ -576,12 +576,10 @@ static __cpuinit int threshold_create_bank(unsigned int cpu, unsigned int bank)
int err = 0;
if (shared_bank[bank]) {
-
nb = node_to_amd_nb(amd_get_nb_id(cpu));
- WARN_ON(!nb);
/* threshold descriptor already initialized on this node? */
- if (nb->bank4) {
+ if (nb && nb->bank4) {
/* yes, use it */
b = nb->bank4;
err = kobject_add(b->kobj, &dev->kobj, name);
@@ -615,8 +613,10 @@ static __cpuinit int threshold_create_bank(unsigned int cpu, unsigned int bank)
atomic_set(&b->cpus, 1);
/* nb is already initialized, see above */
- WARN_ON(nb->bank4);
- nb->bank4 = b;
+ if (nb) {
+ WARN_ON(nb->bank4);
+ nb->bank4 = b;
+ }
}
err = allocate_threshold_blocks(cpu, bank, 0,
diff --git a/arch/x86/kernel/reboot.c b/arch/x86/kernel/reboot.c
index 52190a938b4..4e8ba39eaf0 100644
--- a/arch/x86/kernel/reboot.c
+++ b/arch/x86/kernel/reboot.c
@@ -358,14 +358,6 @@ static struct dmi_system_id __initdata reboot_dmi_table[] = {
DMI_MATCH(DMI_PRODUCT_NAME, "VGN-Z540N"),
},
},
- { /* Handle problems with rebooting on CompuLab SBC-FITPC2 */
- .callback = set_bios_reboot,
- .ident = "CompuLab SBC-FITPC2",
- .matches = {
- DMI_MATCH(DMI_SYS_VENDOR, "CompuLab"),
- DMI_MATCH(DMI_PRODUCT_NAME, "SBC-FITPC2"),
- },
- },
{ /* Handle problems with rebooting on ASUS P4S800 */
.callback = set_bios_reboot,
.ident = "ASUS P4S800",
diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c
index a2bb18e0283..468e98dfd44 100644
--- a/arch/x86/kernel/setup.c
+++ b/arch/x86/kernel/setup.c
@@ -920,8 +920,21 @@ void __init setup_arch(char **cmdline_p)
#ifdef CONFIG_X86_64
if (max_pfn > max_low_pfn) {
- max_pfn_mapped = init_memory_mapping(1UL<<32,
- max_pfn<<PAGE_SHIFT);
+ int i;
+ for (i = 0; i < e820.nr_map; i++) {
+ struct e820entry *ei = &e820.map[i];
+
+ if (ei->addr + ei->size <= 1UL << 32)
+ continue;
+
+ if (ei->type == E820_RESERVED)
+ continue;
+
+ max_pfn_mapped = init_memory_mapping(
+ ei->addr < 1UL << 32 ? 1UL << 32 : ei->addr,
+ ei->addr + ei->size);
+ }
+
/* can we preseve max_low_pfn ?*/
max_low_pfn = max_pfn;
}
diff --git a/arch/x86/realmode/rm/wakeup_asm.S b/arch/x86/realmode/rm/wakeup_asm.S
index e56479e5805..9e7e14797a7 100644
--- a/arch/x86/realmode/rm/wakeup_asm.S
+++ b/arch/x86/realmode/rm/wakeup_asm.S
@@ -74,18 +74,9 @@ ENTRY(wakeup_start)
lidtl wakeup_idt
- /* Clear the EFLAGS but remember if we have EFLAGS.ID */
- movl $X86_EFLAGS_ID, %ecx
- pushl %ecx
- popfl
- pushfl
- popl %edi
+ /* Clear the EFLAGS */
pushl $0
popfl
- pushfl
- popl %edx
- xorl %edx, %edi
- andl %ecx, %edi /* %edi is zero iff CPUID & %cr4 are missing */
/* Check header signature... */
movl signature, %eax
@@ -120,12 +111,12 @@ ENTRY(wakeup_start)
movl %eax, %cr3
btl $WAKEUP_BEHAVIOR_RESTORE_CR4, %edi
- jz 1f
+ jnc 1f
movl pmode_cr4, %eax
movl %eax, %cr4
1:
btl $WAKEUP_BEHAVIOR_RESTORE_EFER, %edi
- jz 1f
+ jnc 1f
movl pmode_efer, %eax
movl pmode_efer + 4, %edx
movl $MSR_EFER, %ecx