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From: Paolo Bonzini <pbonzini@redhat.com>
To: linux-kernel@vger.kernel.org,
	kvm@vger.kernel.org
Cc: Marc Zyngier <maz@kernel.org>,
	Oliver Upton <oliver.upton@linux.dev>,
	Tianrui Zhao <zhaotianrui@loongson.cn>,
	Bibo Mao <maobibo@loongson.cn>,
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	Nicholas Piggin <npiggin@gmail.com>,
	Anup Patel <anup@brainfault.org>,
	Atish Patra <atishp@atishpatra.org>,
	Sean Christopherson <seanjc@google.com>,
	Andrew Morton <akpm@linux-foundation.org>,
	David Hildenbrand <david@redhat.com>,
	linux-arm-kernel@lists.infradead.org,
	kvmarm@lists.linux.dev,
	loongarch@lists.linux.dev,
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Subject: [PATCH 2/4] KVM: remove unused argument of kvm_handle_hva_range()
Date: Fri,  5 Apr 2024 07:58:13 -0400
Message-ID: <20240405115815.3226315-3-pbonzini@redhat.com>
In-Reply-To: <20240405115815.3226315-1-pbonzini@redhat.com>
References: <20240405115815.3226315-1-pbonzini@redhat.com>
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The only user was kvm_mmu_notifier_change_pte(), which is now gone.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
---
 virt/kvm/kvm_main.c | 7 +------
 1 file changed, 1 insertion(+), 6 deletions(-)

diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c
index 2fcd9979752a..9701888811ad 100644
--- a/virt/kvm/kvm_main.c
+++ b/virt/kvm/kvm_main.c
@@ -595,8 +595,6 @@ static void kvm_null_fn(void)
 }
 #define IS_KVM_NULL_FN(fn) ((fn) == (void *)kvm_null_fn)
 
-static const union kvm_mmu_notifier_arg KVM_MMU_NOTIFIER_NO_ARG;
-
 /* Iterate over each memslot intersecting [start, last] (inclusive) range */
 #define kvm_for_each_memslot_in_hva_range(node, slots, start, last)	     \
 	for (node = interval_tree_iter_first(&slots->hva_tree, start, last); \
@@ -682,14 +680,12 @@ static __always_inline kvm_mn_ret_t __kvm_handle_hva_range(struct kvm *kvm,
 static __always_inline int kvm_handle_hva_range(struct mmu_notifier *mn,
 						unsigned long start,
 						unsigned long end,
-						union kvm_mmu_notifier_arg arg,
 						gfn_handler_t handler)
 {
 	struct kvm *kvm = mmu_notifier_to_kvm(mn);
 	const struct kvm_mmu_notifier_range range = {
 		.start		= start,
 		.end		= end,
-		.arg		= arg,
 		.handler	= handler,
 		.on_lock	= (void *)kvm_null_fn,
 		.flush_on_ret	= true,
@@ -880,8 +876,7 @@ static int kvm_mmu_notifier_clear_flush_young(struct mmu_notifier *mn,
 {
 	trace_kvm_age_hva(start, end);
 
-	return kvm_handle_hva_range(mn, start, end, KVM_MMU_NOTIFIER_NO_ARG,
-				    kvm_age_gfn);
+	return kvm_handle_hva_range(mn, start, end, kvm_age_gfn);
 }
 
 static int kvm_mmu_notifier_clear_young(struct mmu_notifier *mn,
-- 
2.43.0