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From: Paolo Bonzini <pbonzini@redhat.com>
To: Sean Christopherson <seanjc@google.com>,
	Randy Dunlap <rdunlap@infradead.org>
Cc: linux-kernel@vger.kernel.org,
	Vineeth Pillai <viremana@linux.microsoft.com>,
	Vitaly Kuznetsov <vkuznets@redhat.com>,
	kvm@vger.kernel.org
Subject: Re: [PATCH v2] KVM: SVM: hyper-v: placate modpost section mismatch error
Date: Wed, 22 Feb 2023 19:32:53 +0100	[thread overview]
Message-ID: <27364a82-fa60-1454-e25d-15239905baf3@redhat.com> (raw)
In-Reply-To: <Y/ZG8u6/aUtpsVDa@google.com>

On 2/22/23 17:46, Sean Christopherson wrote:
>    Tag svm_hv_hardware_setup() with __init to fix a modpost warning as the
>    non-stub implementation accesses __initdata (svm_x86_ops), i.e. would
>    generate a use-after-free if svm_hv_hardware_setup() were actually invoked
>    post-init.  The helper is only called from svm_hardware_setup(), which is
>    also __init, i.e. other than the modpost warning, lack of __init is benign.

Done.  It's caused by the compiler deciding not to inline the function, 
probably.

Also Cc'ed stable.

Paolo


  reply	other threads:[~2023-02-22 18:33 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-02-22 16:25 [PATCH v2] KVM: SVM: hyper-v: placate modpost section mismatch error Randy Dunlap
2023-02-22 16:46 ` Sean Christopherson
2023-02-22 18:32   ` Paolo Bonzini [this message]
2023-02-23 21:11     ` Zhi Wang
2023-02-23 21:20       ` Sean Christopherson
2023-02-22 17:27 ` Vitaly Kuznetsov

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