diff options
| author |   Yan Zhao <yan.y.zhao@intel.com> | 2025-01-13 11:08:59 +0800 |
|---|---|---|
| committer |   Paolo Bonzini <pbonzini@redhat.com> | 2025-03-14 14:20:53 -0400 |
| commit | fd3252571b13639e21c24a740b6cc23083ed1c9c (patch) | |
| tree | 6ad7fc5cfbb9fdb2ea0dc89e124368bb28743b6e /arch/x86/kvm/mmu/tdp_mmu.c | |
| parent | KVM: Add parameter "kvm" to kvm_cpu_dirty_log_size() and its callers (diff) | |
| download | wireguard-linux-fd3252571b13639e21c24a740b6cc23083ed1c9c.tar.xz wireguard-linux-fd3252571b13639e21c24a740b6cc23083ed1c9c.zip | |
KVM: x86/mmu: Add parameter "kvm" to kvm_mmu_page_ad_need_write_protect()
Add a parameter "kvm" to kvm_mmu_page_ad_need_write_protect() and its
caller tdp_mmu_need_write_protect().
This is a preparation to make cpu_dirty_log_size a per-VM value rather than
a system-wide value.
No function changes expected.
Signed-off-by: Yan Zhao <yan.y.zhao@intel.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to '')
| -rw-r--r-- | arch/x86/kvm/mmu/tdp_mmu.c | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/arch/x86/kvm/mmu/tdp_mmu.c b/arch/x86/kvm/mmu/tdp_mmu.c index 22675a5746d0..fd0a7792386b 100644 --- a/arch/x86/kvm/mmu/tdp_mmu.c +++ b/arch/x86/kvm/mmu/tdp_mmu.c @@ -1613,21 +1613,21 @@ void kvm_tdp_mmu_try_split_huge_pages(struct kvm *kvm, } } -static bool tdp_mmu_need_write_protect(struct kvm_mmu_page *sp) +static bool tdp_mmu_need_write_protect(struct kvm *kvm, struct kvm_mmu_page *sp) { /* * All TDP MMU shadow pages share the same role as their root, aside * from level, so it is valid to key off any shadow page to determine if * write protection is needed for an entire tree. */ - return kvm_mmu_page_ad_need_write_protect(sp) || !kvm_ad_enabled; + return kvm_mmu_page_ad_need_write_protect(kvm, sp) || !kvm_ad_enabled; } static void clear_dirty_gfn_range(struct kvm *kvm, struct kvm_mmu_page *root, gfn_t start, gfn_t end) { - const u64 dbit = tdp_mmu_need_write_protect(root) ? PT_WRITABLE_MASK : - shadow_dirty_mask; + const u64 dbit = tdp_mmu_need_write_protect(kvm, root) ? + PT_WRITABLE_MASK : shadow_dirty_mask; struct tdp_iter iter; rcu_read_lock(); @@ -1672,8 +1672,8 @@ void kvm_tdp_mmu_clear_dirty_slot(struct kvm *kvm, static void clear_dirty_pt_masked(struct kvm *kvm, struct kvm_mmu_page *root, gfn_t gfn, unsigned long mask, bool wrprot) { - const u64 dbit = (wrprot || tdp_mmu_need_write_protect(root)) ? PT_WRITABLE_MASK : - shadow_dirty_mask; + const u64 dbit = (wrprot || tdp_mmu_need_write_protect(kvm, root)) ? + PT_WRITABLE_MASK : shadow_dirty_mask; struct tdp_iter iter; lockdep_assert_held_write(&kvm->mmu_lock); |