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KVM: SVM: constify lookup tables

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We never modify direct_access_msrs[], msrpm_ranges[],
svm_exit_handlers[] or x86_intercept_map[] at runtime.
Mark them r/o.

Signed-off-by: Mathias Krause <minipli@googlemail.com>
Cc: Joerg Roedel <joerg.roedel@amd.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
This commit is contained in:
Mathias Krause 2012-08-30 01:30:20 +02:00 committed by Avi Kivity
parent 772e031899
commit 09941fbb71
1 changed files with 4 additions and 4 deletions
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8
arch/x86/kvm/svm.c
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@ -163,7 +163,7 @@ static DEFINE_PER_CPU(u64, current_tsc_ratio);
#define MSR_INVALID 0xffffffffU
static struct svm_direct_access_msrs {
static const struct svm_direct_access_msrs {
u32 index; /* Index of the MSR */
bool always; /* True if intercept is always on */
} direct_access_msrs[] = {
@ -400,7 +400,7 @@ struct svm_init_data {
int r;
};
static u32 msrpm_ranges[] = {0, 0xc0000000, 0xc0010000};
static const u32 msrpm_ranges[] = {0, 0xc0000000, 0xc0010000};
#define NUM_MSR_MAPS ARRAY_SIZE(msrpm_ranges)
#define MSRS_RANGE_SIZE 2048
@ -3267,7 +3267,7 @@ static int pause_interception(struct vcpu_svm *svm)
return 1;
}
static int (*svm_exit_handlers[])(struct vcpu_svm *svm) = {
static int (*const svm_exit_handlers[])(struct vcpu_svm *svm) = {
[SVM_EXIT_READ_CR0] = cr_interception,
[SVM_EXIT_READ_CR3] = cr_interception,
[SVM_EXIT_READ_CR4] = cr_interception,
@ -4068,7 +4068,7 @@ static void svm_fpu_deactivate(struct kvm_vcpu *vcpu)
#define POST_MEM(exit) { .exit_code = (exit), \
.stage = X86_ICPT_POST_MEMACCESS, }
static struct __x86_intercept {
static const struct __x86_intercept {
u32 exit_code;
enum x86_intercept_stage stage;
} x86_intercept_map[] = {