linux-kernel - Re: [PATCH v2 2/9] KVM: Introduce kvm_get_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] [thread-next>] [day] [month] [year] [list]

Date:   Mon, 26 Jul 2021 15:42:24 +0200
From:   Paolo Bonzini <pbonzini@...hat.com>
To:     Peter Xu <peterx@...hat.com>, linux-kernel@...r.kernel.org,
        kvm@...r.kernel.org
Cc:     Vitaly Kuznetsov <vkuznets@...hat.com>,
        Sean Christopherson <seanjc@...gle.com>,
        Maxim Levitsky <mlevitsk@...hat.com>
Subject: Re: [PATCH v2 2/9] KVM: Introduce kvm_get_kvm_safe()

On 25/06/21 17:32, Peter Xu wrote:
> -	/* The debugfs files are a reference to the kvm struct which
> -	 * is still valid when kvm_destroy_vm is called.
> -	 * To avoid the race between open and the removal of the debugfs
> -	 * directory we test against the users count.
> -	 */
> -	if (!refcount_inc_not_zero(&stat_data->kvm

Better keep the comment here (but nothing to do on your part).

Paolo