linux-kernel - Re: [PATCH v2] KVM: x86: Enforce use of EXPORT_SYMBOL_FOR_KVM

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] [day] [month] [year] [list]

Message-ID: <176823924074.1374169.120221674826221123.b4-ty@google.com>
Date: Mon, 12 Jan 2026 09:38:44 -0800
From: Sean Christopherson <seanjc@...gle.com>
To: Sean Christopherson <seanjc@...gle.com>, Paolo Bonzini <pbonzini@...hat.com>
Cc: kvm@...r.kernel.org, linux-kernel@...r.kernel.org, 
	Chao Gao <chao.gao@...el.com>
Subject: Re: [PATCH v2] KVM: x86: Enforce use of EXPORT_SYMBOL_FOR_KVM_INTERNAL

On Fri, 21 Nov 2025 11:05:14 -0800, Sean Christopherson wrote:
> Add a (gnarly) inline "script" in the Makefile to fail the build if there
> is EXPORT_SYMBOL_GPL or EXPORT_SYMBOL usage in virt/kvm or arch/x86/kvm
> beyond the known-good/expected exports for other modules.  Remembering to
> use EXPORT_SYMBOL_FOR_KVM_INTERNAL is surprisingly difficult, and hoping
> to detect "bad" exports via code review is not a robust long-term strategy.
> 
> Jump through a pile of hoops to coerce make into printing a human-friendly
> error message, with the offending files+lines cleanly separated.
> 
> [...]

Applied to kvm-x86 misc, thanks!

[1/1] KVM: x86: Enforce use of EXPORT_SYMBOL_FOR_KVM_INTERNAL
      https://github.com/kvm-x86/linux/commit/fc4d3a6558af

--
https://github.com/kvm-x86/linux/tree/next