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-rw-r--r--arch/x86/Kconfig1
-rw-r--r--arch/x86/crypto/aesni-intel_asm.S48
-rw-r--r--arch/x86/ia32/ia32_aout.c2
-rw-r--r--arch/x86/include/asm/irq.h5
-rw-r--r--arch/x86/include/asm/microcode.h4
-rw-r--r--arch/x86/include/asm/nmi.h4
-rw-r--r--arch/x86/kernel/apic/hw_nmi.c1
-rw-r--r--arch/x86/kernel/cpu/mtrr/cleanup.c8
-rw-r--r--arch/x86/kernel/kprobes/core.c14
-rw-r--r--arch/x86/kernel/kvmclock.c1
-rw-r--r--arch/x86/kvm/x86.c5
-rw-r--r--arch/x86/platform/efi/efi.c7
12 files changed, 66 insertions, 34 deletions
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index 685692c94f0..fe120da2562 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -2265,6 +2265,7 @@ source "fs/Kconfig.binfmt"
config IA32_EMULATION
bool "IA32 Emulation"
depends on X86_64
+ select BINFMT_ELF
select COMPAT_BINFMT_ELF
select HAVE_UID16
---help---
diff --git a/arch/x86/crypto/aesni-intel_asm.S b/arch/x86/crypto/aesni-intel_asm.S
index 62fe22cd4cb..477e9d75149 100644
--- a/arch/x86/crypto/aesni-intel_asm.S
+++ b/arch/x86/crypto/aesni-intel_asm.S
@@ -2681,56 +2681,68 @@ ENTRY(aesni_xts_crypt8)
addq %rcx, KEYP
movdqa IV, STATE1
- pxor 0x00(INP), STATE1
+ movdqu 0x00(INP), INC
+ pxor INC, STATE1
movdqu IV, 0x00(OUTP)
_aesni_gf128mul_x_ble()
movdqa IV, STATE2
- pxor 0x10(INP), STATE2
+ movdqu 0x10(INP), INC
+ pxor INC, STATE2
movdqu IV, 0x10(OUTP)
_aesni_gf128mul_x_ble()
movdqa IV, STATE3
- pxor 0x20(INP), STATE3
+ movdqu 0x20(INP), INC
+ pxor INC, STATE3
movdqu IV, 0x20(OUTP)
_aesni_gf128mul_x_ble()
movdqa IV, STATE4
- pxor 0x30(INP), STATE4
+ movdqu 0x30(INP), INC
+ pxor INC, STATE4
movdqu IV, 0x30(OUTP)
call *%r11
- pxor 0x00(OUTP), STATE1
+ movdqu 0x00(OUTP), INC
+ pxor INC, STATE1
movdqu STATE1, 0x00(OUTP)
_aesni_gf128mul_x_ble()
movdqa IV, STATE1
- pxor 0x40(INP), STATE1
+ movdqu 0x40(INP), INC
+ pxor INC, STATE1
movdqu IV, 0x40(OUTP)
- pxor 0x10(OUTP), STATE2
+ movdqu 0x10(OUTP), INC
+ pxor INC, STATE2
movdqu STATE2, 0x10(OUTP)
_aesni_gf128mul_x_ble()
movdqa IV, STATE2
- pxor 0x50(INP), STATE2
+ movdqu 0x50(INP), INC
+ pxor INC, STATE2
movdqu IV, 0x50(OUTP)
- pxor 0x20(OUTP), STATE3
+ movdqu 0x20(OUTP), INC
+ pxor INC, STATE3
movdqu STATE3, 0x20(OUTP)
_aesni_gf128mul_x_ble()
movdqa IV, STATE3
- pxor 0x60(INP), STATE3
+ movdqu 0x60(INP), INC
+ pxor INC, STATE3
movdqu IV, 0x60(OUTP)
- pxor 0x30(OUTP), STATE4
+ movdqu 0x30(OUTP), INC
+ pxor INC, STATE4
movdqu STATE4, 0x30(OUTP)
_aesni_gf128mul_x_ble()
movdqa IV, STATE4
- pxor 0x70(INP), STATE4
+ movdqu 0x70(INP), INC
+ pxor INC, STATE4
movdqu IV, 0x70(OUTP)
_aesni_gf128mul_x_ble()
@@ -2738,16 +2750,20 @@ ENTRY(aesni_xts_crypt8)
call *%r11
- pxor 0x40(OUTP), STATE1
+ movdqu 0x40(OUTP), INC
+ pxor INC, STATE1
movdqu STATE1, 0x40(OUTP)
- pxor 0x50(OUTP), STATE2
+ movdqu 0x50(OUTP), INC
+ pxor INC, STATE2
movdqu STATE2, 0x50(OUTP)
- pxor 0x60(OUTP), STATE3
+ movdqu 0x60(OUTP), INC
+ pxor INC, STATE3
movdqu STATE3, 0x60(OUTP)
- pxor 0x70(OUTP), STATE4
+ movdqu 0x70(OUTP), INC
+ pxor INC, STATE4
movdqu STATE4, 0x70(OUTP)
ret
diff --git a/arch/x86/ia32/ia32_aout.c b/arch/x86/ia32/ia32_aout.c
index 805078e0801..52ff81cce00 100644
--- a/arch/x86/ia32/ia32_aout.c
+++ b/arch/x86/ia32/ia32_aout.c
@@ -192,7 +192,7 @@ static int aout_core_dump(long signr, struct pt_regs *regs, struct file *file,
/* struct user */
DUMP_WRITE(&dump, sizeof(dump));
/* Now dump all of the user data. Include malloced stuff as well */
- DUMP_SEEK(PAGE_SIZE);
+ DUMP_SEEK(PAGE_SIZE - sizeof(dump));
/* now we start writing out the user space info */
set_fs(USER_DS);
/* Dump the data area */
diff --git a/arch/x86/include/asm/irq.h b/arch/x86/include/asm/irq.h
index ba870bb6dd8..57873beb329 100644
--- a/arch/x86/include/asm/irq.h
+++ b/arch/x86/include/asm/irq.h
@@ -41,4 +41,9 @@ extern int vector_used_by_percpu_irq(unsigned int vector);
extern void init_ISA_irqs(void);
+#ifdef CONFIG_X86_LOCAL_APIC
+void arch_trigger_all_cpu_backtrace(void);
+#define arch_trigger_all_cpu_backtrace arch_trigger_all_cpu_backtrace
+#endif
+
#endif /* _ASM_X86_IRQ_H */
diff --git a/arch/x86/include/asm/microcode.h b/arch/x86/include/asm/microcode.h
index 6825e2efd1b..6bc3985ee47 100644
--- a/arch/x86/include/asm/microcode.h
+++ b/arch/x86/include/asm/microcode.h
@@ -60,11 +60,11 @@ static inline void __exit exit_amd_microcode(void) {}
#ifdef CONFIG_MICROCODE_EARLY
#define MAX_UCODE_COUNT 128
extern void __init load_ucode_bsp(void);
-extern __init void load_ucode_ap(void);
+extern void __cpuinit load_ucode_ap(void);
extern int __init save_microcode_in_initrd(void);
#else
static inline void __init load_ucode_bsp(void) {}
-static inline __init void load_ucode_ap(void) {}
+static inline void __cpuinit load_ucode_ap(void) {}
static inline int __init save_microcode_in_initrd(void)
{
return 0;
diff --git a/arch/x86/include/asm/nmi.h b/arch/x86/include/asm/nmi.h
index c0fa356e90d..86f9301903c 100644
--- a/arch/x86/include/asm/nmi.h
+++ b/arch/x86/include/asm/nmi.h
@@ -18,9 +18,7 @@ extern int proc_nmi_enabled(struct ctl_table *, int ,
void __user *, size_t *, loff_t *);
extern int unknown_nmi_panic;
-void arch_trigger_all_cpu_backtrace(void);
-#define arch_trigger_all_cpu_backtrace arch_trigger_all_cpu_backtrace
-#endif
+#endif /* CONFIG_X86_LOCAL_APIC */
#define NMI_FLAG_FIRST 1
diff --git a/arch/x86/kernel/apic/hw_nmi.c b/arch/x86/kernel/apic/hw_nmi.c
index 31cb9ae992b..a698d7165c9 100644
--- a/arch/x86/kernel/apic/hw_nmi.c
+++ b/arch/x86/kernel/apic/hw_nmi.c
@@ -9,6 +9,7 @@
*
*/
#include <asm/apic.h>
+#include <asm/nmi.h>
#include <linux/cpumask.h>
#include <linux/kdebug.h>
diff --git a/arch/x86/kernel/cpu/mtrr/cleanup.c b/arch/x86/kernel/cpu/mtrr/cleanup.c
index 35ffda5d072..5f90b85ff22 100644
--- a/arch/x86/kernel/cpu/mtrr/cleanup.c
+++ b/arch/x86/kernel/cpu/mtrr/cleanup.c
@@ -714,15 +714,15 @@ int __init mtrr_cleanup(unsigned address_bits)
if (mtrr_tom2)
x_remove_size = (mtrr_tom2 >> PAGE_SHIFT) - x_remove_base;
- nr_range = x86_get_mtrr_mem_range(range, 0, x_remove_base, x_remove_size);
/*
* [0, 1M) should always be covered by var mtrr with WB
* and fixed mtrrs should take effect before var mtrr for it:
*/
- nr_range = add_range_with_merge(range, RANGE_NUM, nr_range, 0,
+ nr_range = add_range_with_merge(range, RANGE_NUM, 0, 0,
1ULL<<(20 - PAGE_SHIFT));
- /* Sort the ranges: */
- sort_range(range, nr_range);
+ /* add from var mtrr at last */
+ nr_range = x86_get_mtrr_mem_range(range, nr_range,
+ x_remove_base, x_remove_size);
range_sums = sum_ranges(range, nr_range);
printk(KERN_INFO "total RAM covered: %ldM\n",
diff --git a/arch/x86/kernel/kprobes/core.c b/arch/x86/kernel/kprobes/core.c
index 9895a9a4138..211bce44552 100644
--- a/arch/x86/kernel/kprobes/core.c
+++ b/arch/x86/kernel/kprobes/core.c
@@ -365,10 +365,14 @@ int __kprobes __copy_instruction(u8 *dest, u8 *src)
return insn.length;
}
-static void __kprobes arch_copy_kprobe(struct kprobe *p)
+static int __kprobes arch_copy_kprobe(struct kprobe *p)
{
+ int ret;
+
/* Copy an instruction with recovering if other optprobe modifies it.*/
- __copy_instruction(p->ainsn.insn, p->addr);
+ ret = __copy_instruction(p->ainsn.insn, p->addr);
+ if (!ret)
+ return -EINVAL;
/*
* __copy_instruction can modify the displacement of the instruction,
@@ -384,6 +388,8 @@ static void __kprobes arch_copy_kprobe(struct kprobe *p)
/* Also, displacement change doesn't affect the first byte */
p->opcode = p->ainsn.insn[0];
+
+ return 0;
}
int __kprobes arch_prepare_kprobe(struct kprobe *p)
@@ -397,8 +403,8 @@ int __kprobes arch_prepare_kprobe(struct kprobe *p)
p->ainsn.insn = get_insn_slot();
if (!p->ainsn.insn)
return -ENOMEM;
- arch_copy_kprobe(p);
- return 0;
+
+ return arch_copy_kprobe(p);
}
void __kprobes arch_arm_kprobe(struct kprobe *p)
diff --git a/arch/x86/kernel/kvmclock.c b/arch/x86/kernel/kvmclock.c
index d2c381280e3..3dd37ebd591 100644
--- a/arch/x86/kernel/kvmclock.c
+++ b/arch/x86/kernel/kvmclock.c
@@ -242,6 +242,7 @@ void __init kvmclock_init(void)
if (!mem)
return;
hv_clock = __va(mem);
+ memset(hv_clock, 0, size);
if (kvm_register_clock("boot clock")) {
hv_clock = NULL;
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index 094b5d96ab1..e8ba99c3418 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -582,8 +582,6 @@ int __kvm_set_xcr(struct kvm_vcpu *vcpu, u32 index, u64 xcr)
if (index != XCR_XFEATURE_ENABLED_MASK)
return 1;
xcr0 = xcr;
- if (kvm_x86_ops->get_cpl(vcpu) != 0)
- return 1;
if (!(xcr0 & XSTATE_FP))
return 1;
if ((xcr0 & XSTATE_YMM) && !(xcr0 & XSTATE_SSE))
@@ -597,7 +595,8 @@ int __kvm_set_xcr(struct kvm_vcpu *vcpu, u32 index, u64 xcr)
int kvm_set_xcr(struct kvm_vcpu *vcpu, u32 index, u64 xcr)
{
- if (__kvm_set_xcr(vcpu, index, xcr)) {
+ if (kvm_x86_ops->get_cpl(vcpu) != 0 ||
+ __kvm_set_xcr(vcpu, index, xcr)) {
kvm_inject_gp(vcpu, 0);
return 1;
}
diff --git a/arch/x86/platform/efi/efi.c b/arch/x86/platform/efi/efi.c
index 5ae2eb09419..d2fbcedcf6e 100644
--- a/arch/x86/platform/efi/efi.c
+++ b/arch/x86/platform/efi/efi.c
@@ -1069,7 +1069,10 @@ efi_status_t efi_query_variable_store(u32 attributes, unsigned long size)
* that by attempting to use more space than is available.
*/
unsigned long dummy_size = remaining_size + 1024;
- void *dummy = kmalloc(dummy_size, GFP_ATOMIC);
+ void *dummy = kzalloc(dummy_size, GFP_ATOMIC);
+
+ if (!dummy)
+ return EFI_OUT_OF_RESOURCES;
status = efi.set_variable(efi_dummy_name, &EFI_DUMMY_GUID,
EFI_VARIABLE_NON_VOLATILE |
@@ -1089,6 +1092,8 @@ efi_status_t efi_query_variable_store(u32 attributes, unsigned long size)
0, dummy);
}
+ kfree(dummy);
+
/*
* The runtime code may now have triggered a garbage collection
* run, so check the variable info again