linux-kernel - Re: [PATCH v9 1/3] s390x: KVM: ipte lock for SCA access should be contained in 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:   Thu, 12 May 2022 11:08:02 +0200
From:   David Hildenbrand <david@...hat.com>
To:     Pierre Morel <pmorel@...ux.ibm.com>, kvm@...r.kernel.org
Cc:     linux-s390@...r.kernel.org, linux-kernel@...r.kernel.org,
        borntraeger@...ibm.com, frankja@...ux.ibm.com, cohuck@...hat.com,
        thuth@...hat.com, imbrenda@...ux.ibm.com, hca@...ux.ibm.com,
        gor@...ux.ibm.com, wintera@...ux.ibm.com, seiden@...ux.ibm.com,
        nrb@...ux.ibm.com
Subject: Re: [PATCH v9 1/3] s390x: KVM: ipte lock for SCA access should be
 contained in KVM

On 06.05.22 11:24, Pierre Morel wrote:
> The former check to chose between SIIF or not SIIF can be done
> using the sclp.has_siif instead of accessing per vCPU structures
> 
> When accessing the SCA, ipte lock and ipte_unlock do not need
> to access any vcpu structures but only the KVM structure.
> 
> Let's simplify the ipte handling.
> 
> Signed-off-by: Pierre Morel <pmorel@...ux.ibm.com>

Much better

Reviewed-by: David Hildenbrand <david@...hat.com>


-- 
Thanks,

David / dhildenb