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authorSean Christopherson <sean.j.christopherson@intel.com>2020-02-19 00:07:27 +0300
committerPaolo Bonzini <pbonzini@redhat.com>2020-03-16 19:57:22 +0300
commite96c81ee89d80e1a0fe50a0e9be40c1b77e14aaa (patch)
tree47892c7cf45beccd93db3b2f4edcf19498535396 /virt
parent5c0b4f3d5ccc2ced94b01c3256db1cf79dc95b81 (diff)
downloadlinux-e96c81ee89d80e1a0fe50a0e9be40c1b77e14aaa.tar.xz
KVM: Simplify kvm_free_memslot() and all its descendents
Now that all callers of kvm_free_memslot() pass NULL for @dont, remove the param from the top-level routine and all arch's implementations. No functional change intended. Tested-by: Christoffer Dall <christoffer.dall@arm.com> Reviewed-by: Peter Xu <peterx@redhat.com> Signed-off-by: Sean Christopherson <sean.j.christopherson@intel.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'virt')
-rw-r--r--virt/kvm/arm/mmu.c3
-rw-r--r--virt/kvm/kvm_main.c18
2 files changed, 8 insertions, 13 deletions
diff --git a/virt/kvm/arm/mmu.c b/virt/kvm/arm/mmu.c
index 97b87037aff3..8f22efa095f4 100644
--- a/virt/kvm/arm/mmu.c
+++ b/virt/kvm/arm/mmu.c
@@ -2349,8 +2349,7 @@ out:
return ret;
}
-void kvm_arch_free_memslot(struct kvm *kvm, struct kvm_memory_slot *free,
- struct kvm_memory_slot *dont)
+void kvm_arch_free_memslot(struct kvm *kvm, struct kvm_memory_slot *slot)
{
}
diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c
index d15ed920f627..642215e2aeb2 100644
--- a/virt/kvm/kvm_main.c
+++ b/virt/kvm/kvm_main.c
@@ -580,18 +580,14 @@ static void kvm_destroy_dirty_bitmap(struct kvm_memory_slot *memslot)
memslot->dirty_bitmap = NULL;
}
-/*
- * Free any memory in @free but not in @dont.
- */
-static void kvm_free_memslot(struct kvm *kvm, struct kvm_memory_slot *free,
- struct kvm_memory_slot *dont)
+static void kvm_free_memslot(struct kvm *kvm, struct kvm_memory_slot *slot)
{
- if (!dont || free->dirty_bitmap != dont->dirty_bitmap)
- kvm_destroy_dirty_bitmap(free);
+ kvm_destroy_dirty_bitmap(slot);
- kvm_arch_free_memslot(kvm, free, dont);
+ kvm_arch_free_memslot(kvm, slot);
- free->npages = 0;
+ slot->flags = 0;
+ slot->npages = 0;
}
static void kvm_free_memslots(struct kvm *kvm, struct kvm_memslots *slots)
@@ -602,7 +598,7 @@ static void kvm_free_memslots(struct kvm *kvm, struct kvm_memslots *slots)
return;
kvm_for_each_memslot(memslot, slots)
- kvm_free_memslot(kvm, memslot, NULL);
+ kvm_free_memslot(kvm, memslot);
kvfree(slots);
}
@@ -1060,7 +1056,7 @@ static int kvm_delete_memslot(struct kvm *kvm,
if (r)
return r;
- kvm_free_memslot(kvm, old, NULL);
+ kvm_free_memslot(kvm, old);
return 0;
}