linux-kernel - Re: [PATCH 00/13] Introduce seqnum

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: <20201111043304.GS17076@casper.infradead.org>
Date:   Wed, 11 Nov 2020 04:33:04 +0000
From:   Matthew Wilcox <willy@...radead.org>
To:     Shuah Khan <skhan@...uxfoundation.org>
Cc:     corbet@....net, keescook@...omium.org, gregkh@...uxfoundation.org,
        peterz@...radead.org, rafael@...nel.org, lenb@...nel.org,
        james.morse@....com, tony.luck@...el.com, bp@...en8.de,
        minyard@....org, arnd@...db.de, mchehab@...nel.org,
        rric@...nel.org, valentina.manea.m@...il.com, shuah@...nel.org,
        zohar@...ux.ibm.com, dmitry.kasatkin@...il.com, jmorris@...ei.org,
        serge@...lyn.com, linux-doc@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-kselftest@...r.kernel.org,
        linux-acpi@...r.kernel.org,
        openipmi-developer@...ts.sourceforge.net,
        linux-edac@...r.kernel.org, linux-usb@...r.kernel.org,
        linux-integrity@...r.kernel.org,
        linux-security-module@...r.kernel.org
Subject: Re: [PATCH 00/13] Introduce seqnum_ops

On Tue, Nov 10, 2020 at 12:53:26PM -0700, Shuah Khan wrote:
> There are a number of atomic_t usages in the kernel where atomic_t api
> is used strictly for counting sequence numbers and other statistical
> counters and not for managing object lifetime.

We already have something in Linux called a sequence counter, and it's
different from this.  ID counter?  instance number?  monotonic_t?  stat_t?