From patchwork Fri Apr 5 11:58:13 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Paolo Bonzini X-Patchwork-Id: 13618953 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.133.124]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 9151316C69E for ; Fri, 5 Apr 2024 11:58:23 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=170.10.133.124 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1712318305; cv=none; b=nMLv1anqWh8Pgyx5ipGIhBLQ71FkT3mojUdBzrJO5xmt+UrOELBrIO07xNyeUHi8EdRIJvjEadxuKJSnSp4m6ssvbOmV6AUcIOF8a9Vi1mryUxSF35T7uxEgbOk12NS5DvvBrwxHOWcP88+1jPBUgRjrsqsCi6eCqEwT83tF2Do= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1712318305; c=relaxed/simple; bh=MVPfw12aKDAKYxBgmyfiqiiyclWrH3J9VU7NBfl7yag=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=l+ObYDTOgtoX8KleZETGJrr2rruqHFucDDJLi2LoO36Ze4nvyANlut2l4/bIbNfCdjUneFRVq8iChJRAuE7o9qS7mZSNahs2t8f6WhDJZzziDB6MUCDR7d46LGoB2iTHwyIFyOMGrTzzWlSB9yWygHg13+DhF60V47UE7JxvOGs= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=redhat.com; spf=pass smtp.mailfrom=redhat.com; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b=JAlHNsze; arc=none smtp.client-ip=170.10.133.124 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=redhat.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=redhat.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="JAlHNsze" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1712318302; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=PYlVlmhvJPdz+cTS0GmxjcvjKIkp+1zDoZOzzNIMhco=; b=JAlHNszeFob72+UYJFpWGyFJswc91M9yXXUeGRAiRymNdy84ctQC6RH0zFEBxprXVKkhVV cbjeoFF+HJXiDEwpH+LCHOLkb1J3Zc71pVilbkm+ztGE1R0hqBh3X/W+LC3g8oKPcI4W2g F3kNTs+IDErxPL6O175fHYFueDVotok= Received: from mimecast-mx02.redhat.com (mx-ext.redhat.com [66.187.233.73]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-94-jWBq89b1PjOkiIzryzMcEA-1; Fri, 05 Apr 2024 07:58:21 -0400 X-MC-Unique: jWBq89b1PjOkiIzryzMcEA-1 Received: from smtp.corp.redhat.com (int-mx02.intmail.prod.int.rdu2.redhat.com [10.11.54.2]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id 07BB2382C473; Fri, 5 Apr 2024 11:58:20 +0000 (UTC) Received: from virtlab701.virt.lab.eng.bos.redhat.com (virtlab701.virt.lab.eng.bos.redhat.com [10.19.152.228]) by smtp.corp.redhat.com (Postfix) with ESMTP id 470FC40C6CB5; Fri, 5 Apr 2024 11:58:19 +0000 (UTC) From: Paolo Bonzini To: linux-kernel@vger.kernel.org, kvm@vger.kernel.org Cc: Marc Zyngier , Oliver Upton , Tianrui Zhao , Bibo Mao , Thomas Bogendoerfer , Nicholas Piggin , Anup Patel , Atish Patra , Sean Christopherson , Andrew Morton , David Hildenbrand , linux-arm-kernel@lists.infradead.org, kvmarm@lists.linux.dev, loongarch@lists.linux.dev, linux-mips@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, kvm-riscv@lists.infradead.org, linux-mm@kvack.org, linux-trace-kernel@vger.kernel.org, linux-perf-users@vger.kernel.org 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> Precedence: bulk X-Mailing-List: linux-trace-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Scanned-By: MIMEDefang 3.4.1 on 10.11.54.2 The only user was kvm_mmu_notifier_change_pte(), which is now gone. Signed-off-by: Paolo Bonzini Reviewed-by: Philippe Mathieu-Daudé --- 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,