diff options
| author | David Matlack <dmatlack@google.com> | 2022-01-19 23:07:30 +0000 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2022-02-10 13:50:39 -0500 |
| commit | 77c23c77f915cb1470b3036a8dd6400f5ef8986e (patch) | |
| tree | f1ffbda062301635bd5c68c4afcc72e43c24f82f /arch/x86/kvm/mmu/mmu.c | |
| parent | 59940e76d13da7d0b5f81194be7a17ad4639bcd3 (diff) | |
| download | linux-77c23c77f915cb1470b3036a8dd6400f5ef8986e.tar.bz2 | |
KVM: x86/mmu: Drop new_spte local variable from restore_acc_track_spte()
The new_spte local variable is unnecessary. Deleting it can save a line
of code and simplify the remaining lines a bit.
No functional change intended.
Suggested-by: Sean Christopherson <seanjc@google.com>
Signed-off-by: David Matlack <dmatlack@google.com>
Message-Id: <20220119230739.2234394-10-dmatlack@google.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'arch/x86/kvm/mmu/mmu.c')
| -rw-r--r-- | arch/x86/kvm/mmu/mmu.c | 11 |
1 files changed, 5 insertions, 6 deletions
diff --git a/arch/x86/kvm/mmu/mmu.c b/arch/x86/kvm/mmu/mmu.c index 51b9cb91b9e7..b92f062099ec 100644 --- a/arch/x86/kvm/mmu/mmu.c +++ b/arch/x86/kvm/mmu/mmu.c @@ -648,16 +648,15 @@ static u64 mmu_spte_get_lockless(u64 *sptep) /* Restore an acc-track PTE back to a regular PTE */ static u64 restore_acc_track_spte(u64 spte) { - u64 new_spte = spte; u64 saved_bits = (spte >> SHADOW_ACC_TRACK_SAVED_BITS_SHIFT) & SHADOW_ACC_TRACK_SAVED_BITS_MASK; - new_spte &= ~shadow_acc_track_mask; - new_spte &= ~(SHADOW_ACC_TRACK_SAVED_BITS_MASK << - SHADOW_ACC_TRACK_SAVED_BITS_SHIFT); - new_spte |= saved_bits; + spte &= ~shadow_acc_track_mask; + spte &= ~(SHADOW_ACC_TRACK_SAVED_BITS_MASK << + SHADOW_ACC_TRACK_SAVED_BITS_SHIFT); + spte |= saved_bits; - return new_spte; + return spte; } /* Returns the Accessed status of the PTE and resets it at the same time. */ |