linux-kernel - Re: [v2][PATCH 2/2] x86/virt/tdx: Fix sparse warnings from using 0 for NULL

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <eygttaxlyd6ar3cintcqxa6ppqsnqcffxhm5odcfkun5xp7pdp@alwt557ghomc>
Date: Tue, 4 Nov 2025 09:24:45 +0000
From: Kiryl Shutsemau <kas@...nel.org>
To: Dave Hansen <dave.hansen@...ux.intel.com>
Cc: linux-kernel@...r.kernel.org, Borislav Petkov <bp@...en8.de>, 
	"H. Peter Anvin" <hpa@...or.com>, Ingo Molnar <mingo@...hat.com>, kvm@...r.kernel.org, 
	Paolo Bonzini <pbonzini@...hat.com>, Rick Edgecombe <rick.p.edgecombe@...el.com>, 
	Sean Christopherson <seanjc@...gle.com>, Thomas Gleixner <tglx@...utronix.de>, x86@...nel.org, 
	Xiaoyao Li <xiaoyao.li@...el.com>
Subject: Re: [v2][PATCH 2/2] x86/virt/tdx: Fix sparse warnings from using 0
 for NULL

On Mon, Nov 03, 2025 at 03:44:39PM -0800, Dave Hansen wrote:
> 
> From: Dave Hansen <dave.hansen@...ux.intel.com>
> 
> Stop using 0 for NULL.
> 
> sparse moans:
> 
> 	... arch/x86/kvm/vmx/tdx.c:859:38: warning: Using plain integer as NULL pointer
> 
> for several TDX pointer initializations. While I love a good ptr=0
> now and then, it's good to have quiet sparse builds.
> 
> Signed-off-by: Dave Hansen <dave.hansen@...ux.intel.com>
> Fixes: a50f673f25e0 ("KVM: TDX: Do TDX specific vcpu initialization")
> Fixes: 8d032b683c29 ("KVM: TDX: create/destroy VM structure")
> Reviewed-by: Rick Edgecombe <rick.p.edgecombe@...el.com>
> Cc: Xiaoyao Li <xiaoyao.li@...el.com>
> Cc: Sean Christopherson <seanjc@...gle.com>
> Cc: Paolo Bonzini <pbonzini@...hat.com>
> Cc: Thomas Gleixner <tglx@...utronix.de>
> Cc: Ingo Molnar <mingo@...hat.com>
> Cc: Borislav Petkov <bp@...en8.de>
> Cc: x86@...nel.org
> Cc: "H. Peter Anvin" <hpa@...or.com>
> Cc: "Kirill A. Shutemov" <kas@...nel.org>
> Cc: Rick Edgecombe <rick.p.edgecombe@...el.com>
> Cc: kvm@...r.kernel.org
> Cc: linux-kernel@...r.kernel.org

Acked-by: Kiryl Shutsemau <kas@...nel.org>

-- 
  Kiryl Shutsemau / Kirill A. Shutemov