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-rw-r--r--arch/x86/Makefile2
-rw-r--r--arch/x86/crypto/aesni-intel_glue.c9
-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/cpu/perf_event.c6
-rw-r--r--arch/x86/kernel/cpu/perf_event_intel_uncore.c3
-rw-r--r--arch/x86/kernel/kvm.c3
-rw-r--r--arch/x86/kernel/reboot.c8
-rw-r--r--arch/x86/kernel/setup.c17
-rw-r--r--arch/x86/kernel/signal.c4
-rw-r--r--arch/x86/kernel/uprobes.c16
-rw-r--r--arch/x86/kvm/lapic.c2
-rw-r--r--arch/x86/kvm/mmu.c3
-rw-r--r--arch/x86/oprofile/nmi_int.c2
-rw-r--r--arch/x86/realmode/rm/wakeup_asm.S15
16 files changed, 50 insertions, 58 deletions
diff --git a/arch/x86/Makefile b/arch/x86/Makefile
index 58790bd85c1d..05afcca66de6 100644
--- a/arch/x86/Makefile
+++ b/arch/x86/Makefile
@@ -142,7 +142,7 @@ KBUILD_CFLAGS += $(call cc-option,-mno-avx,)
KBUILD_CFLAGS += $(mflags-y)
KBUILD_AFLAGS += $(mflags-y)
-archscripts:
+archscripts: scripts_basic
$(Q)$(MAKE) $(build)=arch/x86/tools relocs
###
diff --git a/arch/x86/crypto/aesni-intel_glue.c b/arch/x86/crypto/aesni-intel_glue.c
index 7c04d0da709b..1b9c22bea8a7 100644
--- a/arch/x86/crypto/aesni-intel_glue.c
+++ b/arch/x86/crypto/aesni-intel_glue.c
@@ -515,6 +515,11 @@ static int xts_aesni_setkey(struct crypto_tfm *tfm, const u8 *key,
}
+static void aesni_xts_tweak(void *ctx, u8 *out, const u8 *in)
+{
+ aesni_enc(ctx, out, in);
+}
+
static int xts_encrypt(struct blkcipher_desc *desc, struct scatterlist *dst,
struct scatterlist *src, unsigned int nbytes)
{
@@ -525,7 +530,7 @@ static int xts_encrypt(struct blkcipher_desc *desc, struct scatterlist *dst,
.tbuflen = sizeof(buf),
.tweak_ctx = aes_ctx(ctx->raw_tweak_ctx),
- .tweak_fn = XTS_TWEAK_CAST(aesni_enc),
+ .tweak_fn = aesni_xts_tweak,
.crypt_ctx = aes_ctx(ctx->raw_crypt_ctx),
.crypt_fn = lrw_xts_encrypt_callback,
};
@@ -550,7 +555,7 @@ static int xts_decrypt(struct blkcipher_desc *desc, struct scatterlist *dst,
.tbuflen = sizeof(buf),
.tweak_ctx = aes_ctx(ctx->raw_tweak_ctx),
- .tweak_fn = XTS_TWEAK_CAST(aesni_enc),
+ .tweak_fn = aesni_xts_tweak,
.crypt_ctx = aes_ctx(ctx->raw_crypt_ctx),
.crypt_fn = lrw_xts_decrypt_callback,
};
diff --git a/arch/x86/kernel/cpu/intel_cacheinfo.c b/arch/x86/kernel/cpu/intel_cacheinfo.c
index 9a7c90d80bc4..93c5451bdd52 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 29e87d3b2843..46cbf8689692 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 c4e916d77378..698b6ec12e0f 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/cpu/perf_event.c b/arch/x86/kernel/cpu/perf_event.c
index 915b876edd1e..3373f84d1397 100644
--- a/arch/x86/kernel/cpu/perf_event.c
+++ b/arch/x86/kernel/cpu/perf_event.c
@@ -338,6 +338,9 @@ int x86_setup_perfctr(struct perf_event *event)
/* BTS is currently only allowed for user-mode. */
if (!attr->exclude_kernel)
return -EOPNOTSUPP;
+
+ if (!attr->exclude_guest)
+ return -EOPNOTSUPP;
}
hwc->config |= config;
@@ -380,6 +383,9 @@ int x86_pmu_hw_config(struct perf_event *event)
if (event->attr.precise_ip) {
int precise = 0;
+ if (!event->attr.exclude_guest)
+ return -EOPNOTSUPP;
+
/* Support for constant skid */
if (x86_pmu.pebs_active && !x86_pmu.pebs_broken) {
precise++;
diff --git a/arch/x86/kernel/cpu/perf_event_intel_uncore.c b/arch/x86/kernel/cpu/perf_event_intel_uncore.c
index 99d96a4978b5..5df8d32ba91e 100644
--- a/arch/x86/kernel/cpu/perf_event_intel_uncore.c
+++ b/arch/x86/kernel/cpu/perf_event_intel_uncore.c
@@ -2926,6 +2926,9 @@ static int __init intel_uncore_init(void)
if (boot_cpu_data.x86_vendor != X86_VENDOR_INTEL)
return -ENODEV;
+ if (cpu_has_hypervisor)
+ return -ENODEV;
+
ret = uncore_pci_init();
if (ret)
goto fail;
diff --git a/arch/x86/kernel/kvm.c b/arch/x86/kernel/kvm.c
index b3e5e51bc907..4180a874c764 100644
--- a/arch/x86/kernel/kvm.c
+++ b/arch/x86/kernel/kvm.c
@@ -247,7 +247,10 @@ do_async_page_fault(struct pt_regs *regs, unsigned long error_code)
break;
case KVM_PV_REASON_PAGE_NOT_PRESENT:
/* page is swapped out by the host. */
+ rcu_irq_enter();
+ exit_idle();
kvm_async_pf_task_wait((u32)read_cr2());
+ rcu_irq_exit();
break;
case KVM_PV_REASON_PAGE_READY:
rcu_irq_enter();
diff --git a/arch/x86/kernel/reboot.c b/arch/x86/kernel/reboot.c
index 52190a938b4a..4e8ba39eaf0f 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 a2bb18e02839..468e98dfd44e 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/kernel/signal.c b/arch/x86/kernel/signal.c
index 29ad351804e9..70b27ee6118e 100644
--- a/arch/x86/kernel/signal.c
+++ b/arch/x86/kernel/signal.c
@@ -824,10 +824,8 @@ do_notify_resume(struct pt_regs *regs, void *unused, __u32 thread_info_flags)
mce_notify_process();
#endif /* CONFIG_X86_64 && CONFIG_X86_MCE */
- if (thread_info_flags & _TIF_UPROBE) {
- clear_thread_flag(TIF_UPROBE);
+ if (thread_info_flags & _TIF_UPROBE)
uprobe_notify_resume(regs);
- }
/* deal with pending signal delivery */
if (thread_info_flags & _TIF_SIGPENDING)
diff --git a/arch/x86/kernel/uprobes.c b/arch/x86/kernel/uprobes.c
index 9538f00827a9..aafa5557b396 100644
--- a/arch/x86/kernel/uprobes.c
+++ b/arch/x86/kernel/uprobes.c
@@ -651,31 +651,19 @@ void arch_uprobe_abort_xol(struct arch_uprobe *auprobe, struct pt_regs *regs)
/*
* Skip these instructions as per the currently known x86 ISA.
- * 0x66* { 0x90 | 0x0f 0x1f | 0x0f 0x19 | 0x87 0xc0 }
+ * rep=0x66*; nop=0x90
*/
static bool __skip_sstep(struct arch_uprobe *auprobe, struct pt_regs *regs)
{
int i;
for (i = 0; i < MAX_UINSN_BYTES; i++) {
- if ((auprobe->insn[i] == 0x66))
+ if (auprobe->insn[i] == 0x66)
continue;
if (auprobe->insn[i] == 0x90)
return true;
- if (i == (MAX_UINSN_BYTES - 1))
- break;
-
- if ((auprobe->insn[i] == 0x0f) && (auprobe->insn[i+1] == 0x1f))
- return true;
-
- if ((auprobe->insn[i] == 0x0f) && (auprobe->insn[i+1] == 0x19))
- return true;
-
- if ((auprobe->insn[i] == 0x87) && (auprobe->insn[i+1] == 0xc0))
- return true;
-
break;
}
return false;
diff --git a/arch/x86/kvm/lapic.c b/arch/x86/kvm/lapic.c
index c6e6b721b6ee..43e9fadca5d0 100644
--- a/arch/x86/kvm/lapic.c
+++ b/arch/x86/kvm/lapic.c
@@ -1311,7 +1311,7 @@ void kvm_lapic_set_base(struct kvm_vcpu *vcpu, u64 value)
vcpu->arch.apic_base = value;
if (apic_x2apic_mode(apic)) {
u32 id = kvm_apic_id(apic);
- u32 ldr = ((id & ~0xf) << 16) | (1 << (id & 0xf));
+ u32 ldr = ((id >> 4) << 16) | (1 << (id & 0xf));
kvm_apic_set_ldr(apic, ldr);
}
apic->base_address = apic->vcpu->arch.apic_base &
diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c
index d289fee1ffb8..6f85fe0bf958 100644
--- a/arch/x86/kvm/mmu.c
+++ b/arch/x86/kvm/mmu.c
@@ -2497,8 +2497,7 @@ static void mmu_set_spte(struct kvm_vcpu *vcpu, u64 *sptep,
}
}
- if (!is_error_pfn(pfn))
- kvm_release_pfn_clean(pfn);
+ kvm_release_pfn_clean(pfn);
}
static void nonpaging_new_cr3(struct kvm_vcpu *vcpu)
diff --git a/arch/x86/oprofile/nmi_int.c b/arch/x86/oprofile/nmi_int.c
index 26b8a8514ee5..48768df2471a 100644
--- a/arch/x86/oprofile/nmi_int.c
+++ b/arch/x86/oprofile/nmi_int.c
@@ -55,7 +55,7 @@ u64 op_x86_get_ctrl(struct op_x86_model_spec const *model,
val |= counter_config->extra;
event &= model->event_mask ? model->event_mask : 0xFF;
val |= event & 0xFF;
- val |= (event & 0x0F00) << 24;
+ val |= (u64)(event & 0x0F00) << 24;
return val;
}
diff --git a/arch/x86/realmode/rm/wakeup_asm.S b/arch/x86/realmode/rm/wakeup_asm.S
index e56479e58053..9e7e14797a72 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
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-25 02:14:29 +0000