Commit 0225fb50 authored by Mathias Krause's avatar Mathias Krause Committed by Avi Kivity
Browse files

KVM: x86 emulator: constify emulate_ops



We never change emulate_ops[] at runtime so it should be r/o.

Signed-off-by: default avatarMathias Krause <minipli@googlemail.com>
Signed-off-by: default avatarAvi Kivity <avi@redhat.com>
parent fd0a0d82
......@@ -250,7 +250,7 @@ struct read_cache {
};
struct x86_emulate_ctxt {
struct x86_emulate_ops *ops;
const struct x86_emulate_ops *ops;
/* Register state before/after emulation. */
unsigned long eflags;
......
......@@ -1325,7 +1325,7 @@ static int read_interrupt_descriptor(struct x86_emulate_ctxt *ctxt,
static void get_descriptor_table_ptr(struct x86_emulate_ctxt *ctxt,
u16 selector, struct desc_ptr *dt)
{
struct x86_emulate_ops *ops = ctxt->ops;
const struct x86_emulate_ops *ops = ctxt->ops;
if (selector & 1 << 2) {
struct desc_struct desc;
......@@ -1747,7 +1747,7 @@ static int em_popa(struct x86_emulate_ctxt *ctxt)
static int __emulate_int_real(struct x86_emulate_ctxt *ctxt, int irq)
{
struct x86_emulate_ops *ops = ctxt->ops;
const struct x86_emulate_ops *ops = ctxt->ops;
int rc;
struct desc_ptr dt;
gva_t cs_addr;
......@@ -2129,7 +2129,7 @@ static bool vendor_intel(struct x86_emulate_ctxt *ctxt)
static bool em_syscall_is_enabled(struct x86_emulate_ctxt *ctxt)
{
struct x86_emulate_ops *ops = ctxt->ops;
const struct x86_emulate_ops *ops = ctxt->ops;
u32 eax, ebx, ecx, edx;
/*
......@@ -2173,7 +2173,7 @@ static bool em_syscall_is_enabled(struct x86_emulate_ctxt *ctxt)
static int em_syscall(struct x86_emulate_ctxt *ctxt)
{
struct x86_emulate_ops *ops = ctxt->ops;
const struct x86_emulate_ops *ops = ctxt->ops;
struct desc_struct cs, ss;
u64 msr_data;
u16 cs_sel, ss_sel;
......@@ -2231,7 +2231,7 @@ static int em_syscall(struct x86_emulate_ctxt *ctxt)
static int em_sysenter(struct x86_emulate_ctxt *ctxt)
{
struct x86_emulate_ops *ops = ctxt->ops;
const struct x86_emulate_ops *ops = ctxt->ops;
struct desc_struct cs, ss;
u64 msr_data;
u16 cs_sel, ss_sel;
......@@ -2294,7 +2294,7 @@ static int em_sysenter(struct x86_emulate_ctxt *ctxt)
static int em_sysexit(struct x86_emulate_ctxt *ctxt)
{
struct x86_emulate_ops *ops = ctxt->ops;
const struct x86_emulate_ops *ops = ctxt->ops;
struct desc_struct cs, ss;
u64 msr_data;
int usermode;
......@@ -2357,7 +2357,7 @@ static bool emulator_bad_iopl(struct x86_emulate_ctxt *ctxt)
static bool emulator_io_port_access_allowed(struct x86_emulate_ctxt *ctxt,
u16 port, u16 len)
{
struct x86_emulate_ops *ops = ctxt->ops;
const struct x86_emulate_ops *ops = ctxt->ops;
struct desc_struct tr_seg;
u32 base3;
int r;
......@@ -2476,7 +2476,7 @@ static int task_switch_16(struct x86_emulate_ctxt *ctxt,
u16 tss_selector, u16 old_tss_sel,
ulong old_tss_base, struct desc_struct *new_desc)
{
struct x86_emulate_ops *ops = ctxt->ops;
const struct x86_emulate_ops *ops = ctxt->ops;
struct tss_segment_16 tss_seg;
int ret;
u32 new_tss_base = get_desc_base(new_desc);
......@@ -2623,7 +2623,7 @@ static int task_switch_32(struct x86_emulate_ctxt *ctxt,
u16 tss_selector, u16 old_tss_sel,
ulong old_tss_base, struct desc_struct *new_desc)
{
struct x86_emulate_ops *ops = ctxt->ops;
const struct x86_emulate_ops *ops = ctxt->ops;
struct tss_segment_32 tss_seg;
int ret;
u32 new_tss_base = get_desc_base(new_desc);
......@@ -2667,7 +2667,7 @@ static int emulator_do_task_switch(struct x86_emulate_ctxt *ctxt,
u16 tss_selector, int idt_index, int reason,
bool has_error_code, u32 error_code)
{
struct x86_emulate_ops *ops = ctxt->ops;
const struct x86_emulate_ops *ops = ctxt->ops;
struct desc_struct curr_tss_desc, next_tss_desc;
int ret;
u16 old_tss_sel = get_segment_selector(ctxt, VCPU_SREG_TR);
......@@ -4339,7 +4339,7 @@ static void fetch_possible_mmx_operand(struct x86_emulate_ctxt *ctxt,
int x86_emulate_insn(struct x86_emulate_ctxt *ctxt)
{
struct x86_emulate_ops *ops = ctxt->ops;
const struct x86_emulate_ops *ops = ctxt->ops;
int rc = X86EMUL_CONTINUE;
int saved_dst_type = ctxt->dst.type;
......
......@@ -4323,7 +4323,7 @@ static void emulator_write_gpr(struct x86_emulate_ctxt *ctxt, unsigned reg, ulon
kvm_register_write(emul_to_vcpu(ctxt), reg, val);
}
static struct x86_emulate_ops emulate_ops = {
static const struct x86_emulate_ops emulate_ops = {
.read_gpr = emulator_read_gpr,
.write_gpr = emulator_write_gpr,
.read_std = kvm_read_guest_virt_system,
......
Supports Markdown
0% or .
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment