linux-kernel - Re: [PATCH v3 05/23] KVM: s390: Enable KVM_GENERIC_MMU

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: <DE7GZFXIC55G.756F85AT78FI@linux.ibm.com>
Date: Thu, 13 Nov 2025 10:46:42 +0100
From: "Christoph Schlameuss" <schlameuss@...ux.ibm.com>
To: "Claudio Imbrenda" <imbrenda@...ux.ibm.com>, <kvm@...r.kernel.org>
Cc: <linux-kernel@...r.kernel.org>, <linux-s390@...r.kernel.org>,
        <borntraeger@...ibm.com>, <frankja@...ux.ibm.com>, <nsg@...ux.ibm.com>,
        <nrb@...ux.ibm.com>, <seiden@...ux.ibm.com>,
        <schlameuss@...ux.ibm.com>, <hca@...ux.ibm.com>, <svens@...ux.ibm.com>,
        <agordeev@...ux.ibm.com>, <gor@...ux.ibm.com>, <david@...hat.com>,
        <gerald.schaefer@...ux.ibm.com>
Subject: Re: [PATCH v3 05/23] KVM: s390: Enable KVM_GENERIC_MMU_NOTIFIER

On Thu Nov 6, 2025 at 5:10 PM CET, Claudio Imbrenda wrote:
> Enable KVM_GENERIC_MMU_NOTIFIER, for now with empty placeholder callbacks.
>
> Also enable KVM_MMU_LOCKLESS_AGING and define KVM_HAVE_MMU_RWLOCK.
>
> Signed-off-by: Claudio Imbrenda <imbrenda@...ux.ibm.com>
> Acked-by: Christian Borntraeger <borntraeger@...ux.ibm.com>
> Reviewed-by: Steffen Eiden <seiden@...ux.ibm.com>

Reviewed-by: Christoph Schlameuss <schlameuss@...ux.ibm.com>

> ---
>  arch/s390/include/asm/kvm_host.h |  1 +
>  arch/s390/kvm/Kconfig            |  3 ++-
>  arch/s390/kvm/kvm-s390.c         | 45 +++++++++++++++++++++++++++++++-
>  3 files changed, 47 insertions(+), 2 deletions(-)
>
> diff --git a/arch/s390/include/asm/kvm_host.h b/arch/s390/include/asm/kvm_host.h
> index c2ba3d4398c5..f5f87dae0dd9 100644
> --- a/arch/s390/include/asm/kvm_host.h
> +++ b/arch/s390/include/asm/kvm_host.h