linux-kernel - Re: [PATCH v3 0/7] Statsfs: a new ram-based file system for Linux kernel statistics

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: <20200527133309.GC793752@lunn.ch>
Date:   Wed, 27 May 2020 15:33:09 +0200
From:   Andrew Lunn <andrew@...n.ch>
To:     Emanuele Giuseppe Esposito <eesposit@...hat.com>
Cc:     Jakub Kicinski <kuba@...nel.org>, kvm@...r.kernel.org,
        Christian Borntraeger <borntraeger@...ibm.com>,
        Paolo Bonzini <pbonzini@...hat.com>,
        Jim Mattson <jmattson@...gle.com>,
        Alexander Viro <viro@...iv.linux.org.uk>,
        Emanuele Giuseppe Esposito <e.emanuelegiuseppe@...il.com>,
        David Rientjes <rientjes@...gle.com>,
        Jonathan Adams <jwadams@...gle.com>, linux-doc@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-mips@...r.kernel.org, kvm-ppc@...r.kernel.org,
        linuxppc-dev@...ts.ozlabs.org, linux-s390@...r.kernel.org,
        linux-fsdevel@...r.kernel.org, netdev@...r.kernel.org
Subject: Re: [PATCH v3 0/7] Statsfs: a new ram-based file system for Linux
 kernel statistics

> I don't really know a lot about the networking subsystem, and as it was
> pointed out in another email on patch 7 by Andrew, networking needs to
> atomically gather and display statistics in order to make them consistent,
> and currently this is not supported by stats_fs but could be added in
> future.

Hi Emanuele

Do you have any idea how you will support atomic access? It does not
seem easy to implement in a filesystem based model.

     Andrew