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| author | Sean Christopherson <seanjc@google.com> | 2025-06-10 15:57:30 -0700 |
|---|---|---|
| committer | Sean Christopherson <seanjc@google.com> | 2025-06-20 13:07:33 -0700 |
| commit | 5c9c084763637460acaeb3e22508c692a70b6905 (patch) | |
| tree | db2492ff7a3ff5a2939f1490feabaae92bc8c837 /arch/x86/kvm/svm/svm.c | |
| parent | KVM: SVM: Drop explicit check on MSRPM offset when emulating SEV-ES accesses (diff) | |
| download | linux-5c9c084763637460acaeb3e22508c692a70b6905.tar.gz linux-5c9c084763637460acaeb3e22508c692a70b6905.zip | |
KVM: SVM: Move svm_msrpm_offset() to nested.c
Move svm_msrpm_offset() from svm.c to nested.c now that all usage of the
u32-index offsets is nested virtualization specific.
No functional change intended.
Link: https://lore.kernel.org/r/20250610225737.156318-26-seanjc@google.com
Signed-off-by: Sean Christopherson <seanjc@google.com>
Diffstat (limited to 'arch/x86/kvm/svm/svm.c')
| -rw-r--r-- | arch/x86/kvm/svm/svm.c | 23 |
1 files changed, 0 insertions, 23 deletions
diff --git a/arch/x86/kvm/svm/svm.c b/arch/x86/kvm/svm/svm.c index 6a87e684110b..2f315fea5cc2 100644 --- a/arch/x86/kvm/svm/svm.c +++ b/arch/x86/kvm/svm/svm.c @@ -196,29 +196,6 @@ static DEFINE_MUTEX(vmcb_dump_mutex); */ static int tsc_aux_uret_slot __read_mostly = -1; -static const u32 msrpm_ranges[] = {0, 0xc0000000, 0xc0010000}; - -u32 svm_msrpm_offset(u32 msr) -{ - u32 offset; - int i; - - for (i = 0; i < ARRAY_SIZE(msrpm_ranges); i++) { - if (msr < msrpm_ranges[i] || - msr >= msrpm_ranges[i] + SVM_MSRS_PER_RANGE) - continue; - - offset = (msr - msrpm_ranges[i]) / SVM_MSRS_PER_BYTE; - offset += (i * SVM_MSRPM_BYTES_PER_RANGE); /* add range offset */ - - /* Now we have the u8 offset - but need the u32 offset */ - return offset / 4; - } - - /* MSR not in any range */ - return MSR_INVALID; -} - static int get_npt_level(void) { #ifdef CONFIG_X86_64 |