Commit a0e72cd1 authored by Jinrong Liang's avatar Jinrong Liang Committed by Paolo Bonzini
Browse files

KVM: x86/mmu: Remove unused "kvm" of __rmap_write_protect() 



The "struct kvm *kvm" parameter of __rmap_write_protect()
is not used, so remove it. No functional change intended.

Signed-off-by: default avatarJinrong Liang <cloudliang@tencent.com>
Message-Id: <20220125095909.38122-3-cloudliang@tencent.com>
Signed-off-by: default avatarPaolo Bonzini <pbonzini@redhat.com>
parent 61827671

arch/x86/kvm/mmu/mmu.c

+4 −5
Original line number Diff line number Diff line
@@ -1229,8 +1229,7 @@ static bool spte_write_protect(u64 *sptep, bool pt_protect) 
	return mmu_spte_update(sptep, spte);

}



static bool __rmap_write_protect(struct kvm *kvm,

				 struct kvm_rmap_head *rmap_head,

static bool __rmap_write_protect(struct kvm_rmap_head *rmap_head,

				 bool pt_protect)

{

	u64 *sptep;
@@ -1311,7 +1310,7 @@ static void kvm_mmu_write_protect_pt_masked(struct kvm *kvm, 
	while (mask) {

		rmap_head = gfn_to_rmap(slot->base_gfn + gfn_offset + __ffs(mask),

					PG_LEVEL_4K, slot);

		__rmap_write_protect(kvm, rmap_head, false);

		__rmap_write_protect(rmap_head, false);



		/* clear the first set bit */

		mask &= mask - 1;
@@ -1410,7 +1409,7 @@ bool kvm_mmu_slot_gfn_write_protect(struct kvm *kvm, 
	if (kvm_memslots_have_rmaps(kvm)) {

		for (i = min_level; i <= KVM_MAX_HUGEPAGE_LEVEL; ++i) {

			rmap_head = gfn_to_rmap(gfn, i, slot);

			write_protected |= __rmap_write_protect(kvm, rmap_head, true);

			write_protected |= __rmap_write_protect(rmap_head, true);

		}

	}
@@ -5802,7 +5801,7 @@ static bool slot_rmap_write_protect(struct kvm *kvm, 
				    struct kvm_rmap_head *rmap_head,

				    const struct kvm_memory_slot *slot)

{

	return __rmap_write_protect(kvm, rmap_head, false);

	return __rmap_write_protect(rmap_head, false);

}



void kvm_mmu_slot_remove_write_access(struct kvm *kvm,