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Diffstat (limited to 'arch/x86')
-rw-r--r--arch/x86/include/asm/uaccess.h16
-rw-r--r--arch/x86/kernel/e820.c2
-rw-r--r--arch/x86/kernel/early-quirks.c11
-rw-r--r--arch/x86/kvm/emulate.c2
-rw-r--r--arch/x86/kvm/ioapic.c2
-rw-r--r--arch/x86/kvm/x86.c4
-rw-r--r--arch/x86/xen/mmu.c2
7 files changed, 18 insertions, 21 deletions
diff --git a/arch/x86/include/asm/uaccess.h b/arch/x86/include/asm/uaccess.h
index d42252ce9b4d..b8c75f3aade8 100644
--- a/arch/x86/include/asm/uaccess.h
+++ b/arch/x86/include/asm/uaccess.h
@@ -332,7 +332,7 @@ do { \
#define __get_user_asm_u64(x, ptr, retval, errret) \
__get_user_asm(x, ptr, retval, "q", "", "=r", errret)
#define __get_user_asm_ex_u64(x, ptr) \
- __get_user_asm_ex(x, ptr, "q", "", "=r")
+ __get_user_asm_ex(x, ptr, "q", "", "=&r")
#endif
#define __get_user_size(x, ptr, size, retval, errret) \
@@ -375,13 +375,13 @@ do { \
__chk_user_ptr(ptr); \
switch (size) { \
case 1: \
- __get_user_asm_ex(x, ptr, "b", "b", "=q"); \
+ __get_user_asm_ex(x, ptr, "b", "b", "=&q"); \
break; \
case 2: \
- __get_user_asm_ex(x, ptr, "w", "w", "=r"); \
+ __get_user_asm_ex(x, ptr, "w", "w", "=&r"); \
break; \
case 4: \
- __get_user_asm_ex(x, ptr, "l", "k", "=r"); \
+ __get_user_asm_ex(x, ptr, "l", "k", "=&r"); \
break; \
case 8: \
__get_user_asm_ex_u64(x, ptr); \
@@ -394,12 +394,8 @@ do { \
#define __get_user_asm_ex(x, addr, itype, rtype, ltype) \
asm volatile("1: mov"itype" %1,%"rtype"0\n" \
"2:\n" \
- ".section .fixup,\"ax\"\n" \
- "3:xor"itype" %"rtype"0,%"rtype"0\n" \
- " jmp 2b\n" \
- ".previous\n" \
- _ASM_EXTABLE_EX(1b, 3b) \
- : ltype(x) : "m" (__m(addr)))
+ _ASM_EXTABLE_EX(1b, 2b) \
+ : ltype(x) : "m" (__m(addr)), "0" (0))
#define __put_user_nocheck(x, ptr, size) \
({ \
diff --git a/arch/x86/kernel/e820.c b/arch/x86/kernel/e820.c
index 38b3ead7222d..52a2526c3fbe 100644
--- a/arch/x86/kernel/e820.c
+++ b/arch/x86/kernel/e820.c
@@ -347,7 +347,7 @@ int __init sanitize_e820_map(struct e820entry *biosmap, int max_nr_map,
* continue building up new bios map based on this
* information
*/
- if (current_type != last_type) {
+ if (current_type != last_type || current_type == E820_PRAM) {
if (last_type != 0) {
new_bios[new_bios_entry].size =
change_point[chgidx]->addr - last_addr;
diff --git a/arch/x86/kernel/early-quirks.c b/arch/x86/kernel/early-quirks.c
index 9fdf1d330727..a257d6077d1b 100644
--- a/arch/x86/kernel/early-quirks.c
+++ b/arch/x86/kernel/early-quirks.c
@@ -331,12 +331,11 @@ static u32 __init i85x_stolen_base(int num, int slot, int func, size_t stolen_si
static u32 __init i865_stolen_base(int num, int slot, int func, size_t stolen_size)
{
- /*
- * FIXME is the graphics stolen memory region
- * always at TOUD? Ie. is it always the last
- * one to be allocated by the BIOS?
- */
- return read_pci_config_16(0, 0, 0, I865_TOUD) << 16;
+ u16 toud = 0;
+
+ toud = read_pci_config_16(0, 0, 0, I865_TOUD);
+
+ return (phys_addr_t)(toud << 16) + i845_tseg_size();
}
static size_t __init i830_stolen_size(int num, int slot, int func)
diff --git a/arch/x86/kvm/emulate.c b/arch/x86/kvm/emulate.c
index b9b09fec173b..5fa652c16a50 100644
--- a/arch/x86/kvm/emulate.c
+++ b/arch/x86/kvm/emulate.c
@@ -5033,7 +5033,7 @@ done_prefixes:
/* Decode and fetch the destination operand: register or memory. */
rc = decode_operand(ctxt, &ctxt->dst, (ctxt->d >> DstShift) & OpMask);
- if (ctxt->rip_relative)
+ if (ctxt->rip_relative && likely(ctxt->memopp))
ctxt->memopp->addr.mem.ea = address_mask(ctxt,
ctxt->memopp->addr.mem.ea + ctxt->_eip);
diff --git a/arch/x86/kvm/ioapic.c b/arch/x86/kvm/ioapic.c
index 88d0a92d3f94..3aab53f8cad2 100644
--- a/arch/x86/kvm/ioapic.c
+++ b/arch/x86/kvm/ioapic.c
@@ -580,7 +580,7 @@ static void kvm_ioapic_reset(struct kvm_ioapic *ioapic)
ioapic->irr = 0;
ioapic->irr_delivered = 0;
ioapic->id = 0;
- memset(ioapic->irq_eoi, 0x00, IOAPIC_NUM_PINS);
+ memset(ioapic->irq_eoi, 0x00, sizeof(ioapic->irq_eoi));
rtc_irq_eoi_tracking_reset(ioapic);
}
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index d7cb9577fa31..685ef431a41d 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -7252,10 +7252,12 @@ void kvm_put_guest_fpu(struct kvm_vcpu *vcpu)
void kvm_arch_vcpu_free(struct kvm_vcpu *vcpu)
{
+ void *wbinvd_dirty_mask = vcpu->arch.wbinvd_dirty_mask;
+
kvmclock_reset(vcpu);
- free_cpumask_var(vcpu->arch.wbinvd_dirty_mask);
kvm_x86_ops->vcpu_free(vcpu);
+ free_cpumask_var(wbinvd_dirty_mask);
}
struct kvm_vcpu *kvm_arch_vcpu_create(struct kvm *kvm,
diff --git a/arch/x86/xen/mmu.c b/arch/x86/xen/mmu.c
index cb5e266a8bf7..1e56ff583459 100644
--- a/arch/x86/xen/mmu.c
+++ b/arch/x86/xen/mmu.c
@@ -1113,7 +1113,7 @@ static void __init xen_cleanhighmap(unsigned long vaddr,
/* NOTE: The loop is more greedy than the cleanup_highmap variant.
* We include the PMD passed in on _both_ boundaries. */
- for (; vaddr <= vaddr_end && (pmd < (level2_kernel_pgt + PAGE_SIZE));
+ for (; vaddr <= vaddr_end && (pmd < (level2_kernel_pgt + PTRS_PER_PMD));
pmd++, vaddr += PMD_SIZE) {
if (pmd_none(*pmd))
continue;