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| author | Mathias Krause <minipli@googlemail.com> | 2012-08-30 01:30:20 +0200 |
|---|---|---|
| committer | Avi Kivity <avi@redhat.com> | 2012-09-05 12:42:14 +0300 |
| commit | 09941fbb712655cde9b350852be7a99a6f61a03f (patch) | |
| tree | 95c2a7337fdba610a3bae938c049e13eb4c1083a | |
| parent | 772e031899fdf3c7636d66aae9b0b57d1aaebb93 (diff) | |
| download | linux-09941fbb712655cde9b350852be7a99a6f61a03f.tar.bz2 | |
KVM: SVM: constify lookup tables
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>
| -rw-r--r-- | arch/x86/kvm/svm.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c index 31be4a557447..611c72875fb9 100644 --- a/arch/x86/kvm/svm.c +++ b/arch/x86/kvm/svm.c @@ -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[] = { |