forked from Minki/linux
kvm: x86: mmu: Rename spte_is_locklessly_modifiable()
This change renames spte_is_locklessly_modifiable() to spte_can_locklessly_be_made_writable() to distinguish it from other forms of lockless modifications. The full set of lockless modifications is covered by spte_has_volatile_bits(). Signed-off-by: Junaid Shahid <junaids@google.com> Reviewed-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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@ -474,7 +474,7 @@ retry:
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}
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#endif
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static bool spte_is_locklessly_modifiable(u64 spte)
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static bool spte_can_locklessly_be_made_writable(u64 spte)
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{
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return (spte & (SPTE_HOST_WRITEABLE | SPTE_MMU_WRITEABLE)) ==
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(SPTE_HOST_WRITEABLE | SPTE_MMU_WRITEABLE);
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@ -488,7 +488,7 @@ static bool spte_has_volatile_bits(u64 spte)
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* also, it can help us to get a stable is_writable_pte()
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* to ensure tlb flush is not missed.
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*/
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if (spte_is_locklessly_modifiable(spte))
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if (spte_can_locklessly_be_made_writable(spte))
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return true;
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if (!shadow_accessed_mask)
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@ -557,7 +557,7 @@ static bool mmu_spte_update(u64 *sptep, u64 new_spte)
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* we always atomically update it, see the comments in
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* spte_has_volatile_bits().
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*/
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if (spte_is_locklessly_modifiable(old_spte) &&
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if (spte_can_locklessly_be_made_writable(old_spte) &&
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!is_writable_pte(new_spte))
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ret = true;
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@ -1213,7 +1213,7 @@ static bool spte_write_protect(u64 *sptep, bool pt_protect)
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u64 spte = *sptep;
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if (!is_writable_pte(spte) &&
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!(pt_protect && spte_is_locklessly_modifiable(spte)))
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!(pt_protect && spte_can_locklessly_be_made_writable(spte)))
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return false;
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rmap_printk("rmap_write_protect: spte %p %llx\n", sptep, *sptep);
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@ -2975,7 +2975,7 @@ static bool fast_page_fault(struct kvm_vcpu *vcpu, gva_t gva, int level,
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* Currently, to simplify the code, only the spte write-protected
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* by dirty-log can be fast fixed.
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*/
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if (!spte_is_locklessly_modifiable(spte))
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if (!spte_can_locklessly_be_made_writable(spte))
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goto exit;
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/*
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