[PATCH v2 3/3] mmu: don't pass *kvm to spte_write_protect and spte_*_dirty

Bandan Das
2016-08-02T20:36:10Z

That parameter isn't used in these functions,
it's probably a historical artifact.

Signed-off-by: Bandan Das <bsd@redhat.com>
---
arch/x86/kvm/mmu.c | 12 ++++++------
1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c
index 745a5f4..d65b3fe 100644
--- a/arch/x86/kvm/mmu.c
+++ b/arch/x86/kvm/mmu.c
@@ -1205,7 +1205,7 @@ static void drop_large_spte(struct kvm_vcpu *vcpu, u64 *sptep)
*
* Return true if tlb need be flushed.
*/
-static bool spte_write_protect(struct kvm *kvm, u64 *sptep, bool pt_protect)
+static bool spte_write_protect(u64 *sptep, bool pt_protect)
{
u64 spte = *sptep;

@@ -1231,12 +1231,12 @@ static bool __rmap_write_protect(struct kvm *kvm,
bool flush = false;

for_each_rmap_spte(rmap_head, &iter, sptep)
- flush |= spte_write_protect(kvm, sptep, pt_protect);
+ flush |= spte_write_protect(sptep, pt_protect);

return flush;
}

-static bool spte_clear_dirty(struct kvm *kvm, u64 *sptep)
+static bool spte_clear_dirty(u64 *sptep)
{
u64 spte = *sptep;

@@ -1254,12 +1254,12 @@ static bool __rmap_clear_dirty(struct kvm *kvm, struct kvm_rmap_head *rmap_head)
bool flush = false;

for_each_rmap_spte(rmap_head, &iter, sptep)
- flush |= spte_clear_dirty(kvm, sptep);
+ flush |= spte_clear_dirty(sptep);

return flush;
}

-static bool spte_set_dirty(struct kvm *kvm, u64 *sptep)
+static bool spte_set_dirty(u64 *sptep)
{
u64 spte = *sptep;

@@ -1277,7 +1277,7 @@ static bool __rmap_set_dirty(struct kvm *kvm, struct kvm_rmap_head *rmap_head)
bool flush = false;

for_each_rmap_spte(rmap_head, &iter, sptep)
- flush |= spte_set_dirty(kvm, sptep);
+ flush |= spte_set_dirty(sptep);

return flush;
}
--
2.5.5