On 09/11/2016 00:00, Junaid Shahid wrote:
> 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@xxxxxxxxxx>
> ---
> arch/x86/kvm/mmu.c | 10 +++++-----
> 1 file changed, 5 insertions(+), 5 deletions(-)
>
> diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c
> index d9c7e98..e580134 100644
> --- a/arch/x86/kvm/mmu.c
> +++ b/arch/x86/kvm/mmu.c
> @@ -473,7 +473,7 @@ retry:
> }
> #endif
>
> -static bool spte_is_locklessly_modifiable(u64 spte)
> +static bool spte_can_locklessly_be_made_writable(u64 spte)
> {
> return (spte & (SPTE_HOST_WRITEABLE | SPTE_MMU_WRITEABLE)) ==
> (SPTE_HOST_WRITEABLE | SPTE_MMU_WRITEABLE);
> @@ -487,7 +487,7 @@ static bool spte_has_volatile_bits(u64 spte)
> * also, it can help us to get a stable is_writable_pte()
> * to ensure tlb flush is not missed.
> */
> - if (spte_is_locklessly_modifiable(spte))
> + if (spte_can_locklessly_be_made_writable(spte))
> return true;
>
> if (!shadow_accessed_mask)
> @@ -556,7 +556,7 @@ static bool mmu_spte_update(u64 *sptep, u64 new_spte)
> * we always atomically update it, see the comments in
> * spte_has_volatile_bits().
> */
> - if (spte_is_locklessly_modifiable(old_spte) &&
> + if (spte_can_locklessly_be_made_writable(old_spte) &&
> !is_writable_pte(new_spte))
> ret = true;
>
> @@ -1212,7 +1212,7 @@ static bool spte_write_protect(u64 *sptep, bool pt_protect)
> u64 spte = *sptep;
>
> if (!is_writable_pte(spte) &&
> - !(pt_protect && spte_is_locklessly_modifiable(spte)))
> + !(pt_protect && spte_can_locklessly_be_made_writable(spte)))
> return false;
>
> rmap_printk("rmap_write_protect: spte %p %llx\n", sptep, *sptep);
> @@ -2973,7 +2973,7 @@ static bool fast_page_fault(struct kvm_vcpu *vcpu, gva_t gva, int level,
> * Currently, to simplify the code, only the spte write-protected
> * by dirty-log can be fast fixed.
> */
> - if (!spte_is_locklessly_modifiable(spte))
> + if (!spte_can_locklessly_be_made_writable(spte))
> goto exit;
>
> /*
>
Reviewed-by: Paolo Bonzini <pbonzini@xxxxxxxxxx>
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