From nobody Wed Apr 15 02:50:10 2026 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 2D76EC19F29 for ; Wed, 27 Jul 2022 20:10:39 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234073AbiG0UKh (ORCPT ); Wed, 27 Jul 2022 16:10:37 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:49906 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230049AbiG0UKe (ORCPT ); Wed, 27 Jul 2022 16:10:34 -0400 Received: from mail-yw1-x114a.google.com (mail-yw1-x114a.google.com [IPv6:2607:f8b0:4864:20::114a]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 1B7375072B for ; Wed, 27 Jul 2022 13:10:32 -0700 (PDT) Received: by mail-yw1-x114a.google.com with SMTP id 00721157ae682-31f46b4759bso49536977b3.0 for ; Wed, 27 Jul 2022 13:10:32 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20210112; h=reply-to:date:message-id:mime-version:subject:from:to:cc; bh=Xrg5fsxfgCKrpJtcWo9CLpQP9jQ9W4vM9fX7J1EurO0=; b=AScBAcm3Re2O3Fg6GlcjSQVr1BWuzhUzLNHpp+d9HelEPkbzU6i3yEPlGv3ExLoFbs hgQD66/rEuxtNyAJA7oD/e6VKLXUB7Qm0UuYj9loXif6QHbWiJtkj+9j9CdnALEPOhfO LePhWGcIu+4LtuzMq2b2OqxacpKPnuuEN3anp5xHvdWd4HbvcvAwWQFDWA/9af4zk3EL bfHT9mBkKPMTZ1H3KIScv3iD7WKUA/uRZIXzYmvRUxLS6gG2NHxzbAcnC9z2BWQJCetp 2lYzQxW/exOzeF777ZIMBzZhwqAgnXdU3VsrOfdEQE7raGD84Zy0FDPEz84z3XqjTepI aXxw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:reply-to:date:message-id:mime-version:subject :from:to:cc; bh=Xrg5fsxfgCKrpJtcWo9CLpQP9jQ9W4vM9fX7J1EurO0=; b=z8Fn6zdPCH9QQlcQEWFM5Z0pbiHWXEdtGGmjzt4urXbZlGVr/rYvhbofYXLpdRJOOt p9iyY0syv2b6Sn+R9cm+R1jGzCNZ2zjKvymtXgA0xQeCrK0a1lBu/a9Xz05lXMUW3qm6 YQUcWwW7brwirW9TIiRafs0t9naw4kXrE2gSNYSNvr1OIBHSE0kXHmD7pwVejEgSRro0 b6EE8vhk3OqlcfDAkfnQBQe8sLN++/qb4aLZ6b3FvJrpH7UKGVIDwRv7NtJwsVrTEOHg jmQVZx4H/4OZ8zL6fwn97N4E2pALntHX5N8N11+SfO9WsZshQVSPg9OXHtwoqBHceoGs B05g== X-Gm-Message-State: AJIora/Cd513UL+mDwjSx+M+A48/u4CYihGKvNt977ajBucxLJt+Y6Kg 4gjJGGxpCGZPxV1KDSgzU7UxbcJHlCU= X-Google-Smtp-Source: AGRyM1vxrNbnqLCXSp+l4Je/r+EA2/Jh7TiHr4S9XS1rXcVezoBgRhNcJqea7p9gHID7WZWEQ12ffMvjFwg= X-Received: from zagreus.c.googlers.com ([fda3:e722:ac3:cc00:7f:e700:c0a8:5c37]) (user=seanjc job=sendgmr) by 2002:a05:690c:830:b0:31f:5f93:a63f with SMTP id by16-20020a05690c083000b0031f5f93a63fmr4735362ywb.197.1658952631413; Wed, 27 Jul 2022 13:10:31 -0700 (PDT) Reply-To: Sean Christopherson Date: Wed, 27 Jul 2022 20:10:29 +0000 Message-Id: <20220727201029.2758052-1-seanjc@google.com> Mime-Version: 1.0 X-Mailer: git-send-email 2.37.1.359.gd136c6c3e2-goog Subject: [PATCH] KVM: x86/mmu: Remove unused "pfn" in kvm_mmu_zap_collapsible_spte() From: Sean Christopherson To: Sean Christopherson , Paolo Bonzini Cc: kvm@vger.kernel.org, linux-kernel@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Remove kvm_mmu_zap_collapsible_spte()'s local "pfn" variable, which is set but not used now that kvm_mmu_max_mapping_level() doesn't require a pfn. No functional change intended. Fixes: fe631a464094 ("KVM: x86/mmu: Don't require refcounted "struct page" = to create huge SPTEs") Reported-by: kernel test robot Signed-off-by: Sean Christopherson --- arch/x86/kvm/mmu/mmu.c | 2 -- 1 file changed, 2 deletions(-) diff --git a/arch/x86/kvm/mmu/mmu.c b/arch/x86/kvm/mmu/mmu.c index 8e477333a263..c1cba921c091 100644 --- a/arch/x86/kvm/mmu/mmu.c +++ b/arch/x86/kvm/mmu/mmu.c @@ -6416,13 +6416,11 @@ static bool kvm_mmu_zap_collapsible_spte(struct kvm= *kvm, u64 *sptep; struct rmap_iterator iter; int need_tlb_flush =3D 0; - kvm_pfn_t pfn; struct kvm_mmu_page *sp; =20 restart: for_each_rmap_spte(rmap_head, &iter, sptep) { sp =3D sptep_to_sp(sptep); - pfn =3D spte_to_pfn(*sptep); =20 /* * We cannot do huge page mapping for indirect shadow pages, base-commit: 1a4d88a361af4f2e91861d632c6a1fe87a9665c2 --=20 2.37.1.359.gd136c6c3e2-goog