linux-kernel - Re: [PATCH 6/8] x86: add MULTIUSER dependency 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] [thread-next>] [day] [month] [year] [list]

Message-ID: <20170719141153.GA17303@potion>
Date:   Wed, 19 Jul 2017 16:11:53 +0200
From:   Radim Krčmář <rkrcmar@...hat.com>
To:     Arnd Bergmann <arnd@...db.de>
Cc:     x86@...nel.org, Paolo Bonzini <pbonzini@...hat.com>,
        Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...hat.com>,
        "H. Peter Anvin" <hpa@...or.com>, linux-kernel@...r.kernel.org,
        Alex Williamson <alex.williamson@...hat.com>,
        kvm@...r.kernel.org
Subject: Re: [PATCH 6/8] x86: add MULTIUSER dependency for KVM

2017-07-19 14:53+0200, Arnd Bergmann:
> KVM tries to select 'TASKSTATS', which had additional dependencies:
> 
> warning: (KVM) selects TASKSTATS which has unmet direct dependencies (NET && MULTIUSER)
> 
> Signed-off-by: Arnd Bergmann <arnd@...db.de>
> ---

Hm, do you know why Kconfig warns instead of propagating the
dependencies?

> diff --git a/arch/x86/kvm/Kconfig b/arch/x86/kvm/Kconfig
> @@ -22,7 +22,7 @@ config KVM
>  	# for TASKSTATS/TASK_DELAY_ACCT:
> -	depends on NET
> +	depends on NET && MULTIUSER

The current condition goes halfway to nowhere, so the patch is
definitely an improvement, even if the result is not good ...

Applied, thanks.