From nobody Sun Dec 14 18:10:13 2025 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.15]) (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 4EA383090E4; Mon, 3 Nov 2025 23:44:40 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.15 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1762213482; cv=none; b=kR8cJPPoiGVeZES0o8CLxfVNDShUA38jLu0JOYVHmLGeIOJ3oUTprFpODjlfqMTy/ucTFgz3Ac2mwTzOZD6RWCEldi5ZtMmRtY2SA5sCwyWw4g5se5hOgEuc9sdfXBvP8rDfN5yOFsjRmKKj6EckQHtjdrjgqVaDNPFgMo/R/Fc= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1762213482; c=relaxed/simple; bh=plT6RDGZ55kW9Y/hyCWee00KU8pk6DzkUuw9fe7+RZk=; h=Subject:To:Cc:From:Date:References:In-Reply-To:Message-Id; b=QRAqP0P3L1BLnBYrrPvzzT8IX65o7Dxh9RbyCpCQeIooy2VmurH0/r67X9MKejX+cF8a8uCBQ5/zVgYSXxEMDeYd8PhdxagoQOUhwM1Z+pklVeqb82UcRYQtWtWnD8jiWPhYygpQnltK20n6KytW3SKVb+4v78+CsAfPyBurKBQ= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.intel.com; spf=pass smtp.mailfrom=linux.intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=Xo4iRbnf; arc=none smtp.client-ip=192.198.163.15 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.intel.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linux.intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="Xo4iRbnf" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1762213480; x=1793749480; h=subject:to:cc:from:date:references:in-reply-to: message-id; bh=plT6RDGZ55kW9Y/hyCWee00KU8pk6DzkUuw9fe7+RZk=; b=Xo4iRbnftUeoE6ORGymoNrh6qJrO1U4rrQwNsJ1dhI8MB4h9l3VGizsX W0xu6N28GaWEUWM1Dx2fKKsRe02I4jd28JZDHY2ZfQbrC1JtCP1s9l5x6 onYBNzbm1gkyw+uHL6RONUT/Fm7KU09CwL7SqcrwBIw+aLUd1okkFXUwp UsASBcWIh+Ozirs2NequvfzNTuuIIddbNQ0dFWa2HVRTpA4AXZztigAjY 5OroEU4cZnlh8nO9oFp3QG40W8kW1MiD6Htl9u9cmI8MuI8AxukG5JbRu 3/HtbTEn4wXLyV9g1T+xkDf9jXIpYzDyFUi9d0YfOF1aNpurZ30dIZkSw w==; X-CSE-ConnectionGUID: zJ8Rb6ReROW0Xjz+AqO98g== X-CSE-MsgGUID: 0nZXw3QXQKaO7y7lTv41qA== X-IronPort-AV: E=McAfee;i="6800,10657,11602"; a="64396852" X-IronPort-AV: E=Sophos;i="6.19,277,1754982000"; d="scan'208";a="64396852" Received: from orviesa007.jf.intel.com ([10.64.159.147]) by fmvoesa109.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 03 Nov 2025 15:44:40 -0800 X-CSE-ConnectionGUID: s9zKKyDHTzqkxTSoMGGfKg== X-CSE-MsgGUID: VSEh5AI/QHCY/TJA6M+qDQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.19,277,1754982000"; d="scan'208";a="186948466" Received: from davehans-spike.ostc.intel.com (HELO localhost.localdomain) ([10.165.164.11]) by orviesa007.jf.intel.com with ESMTP; 03 Nov 2025 15:44:39 -0800 Subject: [v2][PATCH 2/2] x86/virt/tdx: Fix sparse warnings from using 0 for NULL To: linux-kernel@vger.kernel.org Cc: Dave Hansen , Borislav Petkov , "H. Peter Anvin" , Ingo Molnar , "Kirill A. Shutemov" , kvm@vger.kernel.org, Paolo Bonzini , Rick Edgecombe , Sean Christopherson , Thomas Gleixner , x86@kernel.org, Xiaoyao Li From: Dave Hansen Date: Mon, 03 Nov 2025 15:44:39 -0800 References: <20251103234435.0850400B@davehans-spike.ostc.intel.com> In-Reply-To: <20251103234435.0850400B@davehans-spike.ostc.intel.com> Message-Id: <20251103234439.DC8227E4@davehans-spike.ostc.intel.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" From: Dave Hansen Stop using 0 for NULL. sparse moans: ... arch/x86/kvm/vmx/tdx.c:859:38: warning: Using plain integer as NULL po= inter for several TDX pointer initializations. While I love a good ptr=3D0 now and then, it's good to have quiet sparse builds. Signed-off-by: Dave Hansen Fixes: a50f673f25e0 ("KVM: TDX: Do TDX specific vcpu initialization") Fixes: 8d032b683c29 ("KVM: TDX: create/destroy VM structure") Reviewed-by: Rick Edgecombe Cc: Xiaoyao Li Cc: Sean Christopherson Cc: Paolo Bonzini Cc: Thomas Gleixner Cc: Ingo Molnar Cc: Borislav Petkov Cc: x86@kernel.org Cc: "H. Peter Anvin" Cc: "Kirill A. Shutemov" Cc: Rick Edgecombe Cc: kvm@vger.kernel.org Cc: linux-kernel@vger.kernel.org Acked-by: Kiryl Shutsemau Reviewed-by: Xiaoyao Li --- b/arch/x86/kvm/vmx/tdx.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff -puN arch/x86/kvm/vmx/tdx.c~tdx-sparse-fix-1 arch/x86/kvm/vmx/tdx.c --- a/arch/x86/kvm/vmx/tdx.c~tdx-sparse-fix-1 2025-11-03 15:11:28.177643833= -0800 +++ b/arch/x86/kvm/vmx/tdx.c 2025-11-03 15:11:28.185644508 -0800 @@ -856,7 +856,7 @@ void tdx_vcpu_free(struct kvm_vcpu *vcpu } if (tdx->vp.tdvpr_page) { tdx_reclaim_control_page(tdx->vp.tdvpr_page); - tdx->vp.tdvpr_page =3D 0; + tdx->vp.tdvpr_page =3D NULL; tdx->vp.tdvpr_pa =3D 0; } =20 @@ -2642,7 +2642,7 @@ free_tdcs: free_tdr: if (tdr_page) __free_page(tdr_page); - kvm_tdx->td.tdr_page =3D 0; + kvm_tdx->td.tdr_page =3D NULL; =20 free_hkid: tdx_hkid_free(kvm_tdx); @@ -3016,7 +3016,7 @@ free_tdcx: free_tdvpr: if (tdx->vp.tdvpr_page) __free_page(tdx->vp.tdvpr_page); - tdx->vp.tdvpr_page =3D 0; + tdx->vp.tdvpr_page =3D NULL; tdx->vp.tdvpr_pa =3D 0; =20 return ret; _