linux-kernel - RE: [PATCH v10 5/9] bpf: Add bpf_lookup_*_key() and bpf_key

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] [day] [month] [year] [list]

Message-ID: <7278db1e90de4c7bb669449e897d1946@huawei.com>
Date:   Tue, 16 Aug 2022 08:40:14 +0000
From:   Roberto Sassu <roberto.sassu@...wei.com>
To:     KP Singh <kpsingh@...nel.org>
CC:     "ast@...nel.org" <ast@...nel.org>,
        "daniel@...earbox.net" <daniel@...earbox.net>,
        "andrii@...nel.org" <andrii@...nel.org>,
        "martin.lau@...ux.dev" <martin.lau@...ux.dev>,
        "song@...nel.org" <song@...nel.org>, "yhs@...com" <yhs@...com>,
        "john.fastabend@...il.com" <john.fastabend@...il.com>,
        "sdf@...gle.com" <sdf@...gle.com>,
        "haoluo@...gle.com" <haoluo@...gle.com>,
        "jolsa@...nel.org" <jolsa@...nel.org>,
        "corbet@....net" <corbet@....net>,
        "dhowells@...hat.com" <dhowells@...hat.com>,
        "jarkko@...nel.org" <jarkko@...nel.org>,
        "rostedt@...dmis.org" <rostedt@...dmis.org>,
        "mingo@...hat.com" <mingo@...hat.com>,
        "paul@...l-moore.com" <paul@...l-moore.com>,
        "jmorris@...ei.org" <jmorris@...ei.org>,
        "serge@...lyn.com" <serge@...lyn.com>,
        "shuah@...nel.org" <shuah@...nel.org>,
        "bpf@...r.kernel.org" <bpf@...r.kernel.org>,
        "linux-doc@...r.kernel.org" <linux-doc@...r.kernel.org>,
        "keyrings@...r.kernel.org" <keyrings@...r.kernel.org>,
        "linux-security-module@...r.kernel.org" 
        <linux-security-module@...r.kernel.org>,
        "linux-kselftest@...r.kernel.org" <linux-kselftest@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: RE: [PATCH v10 5/9] bpf: Add bpf_lookup_*_key() and bpf_key_put()
 kfuncs

> From: KP Singh [mailto:kpsingh@...nel.org]
> Sent: Friday, August 12, 2022 2:50 AM

[...]

> > +/**
> > + * bpf_key_put - decrement key reference count if key is valid and free
> bpf_key
> > + * @bkey: bpf_key structure
> > + *
> > + * Decrement the reference count of the key inside *bkey*, if the pointer
> > + * is valid, and free *bkey*.
> > + */
> 
> This is more of a style thing but your comment literally describes the
> small function
> below. Do we really need this?

Thanks for the review, KP. Just kept this, to follow the style of kernel
documentation for functions.

Roberto