linux-kernel - RE:(2) [PATCH 1/4] zstd: pass pointer rathen than structure to functions

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: <20190604131935epcms5p1c4a375fca57e4df5d233fd2769a3c2be@epcms5p1>
Date:   Tue, 04 Jun 2019 18:49:35 +0530
From:   Vaneet Narang <v.narang@...sung.com>
To:     Andrew Morton <akpm@...ux-foundation.org>,
        Maninder Singh <maninder1.s@...sung.com>
CC:     "herbert@...dor.apana.org.au" <herbert@...dor.apana.org.au>,
        "davem@...emloft.net" <davem@...emloft.net>,
        "keescook@...omium.org" <keescook@...omium.org>,
        "gustavo@...eddedor.com" <gustavo@...eddedor.com>,
        "joe@...ches.com" <joe@...ches.com>,
        "linux-crypto@...r.kernel.org" <linux-crypto@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        AMIT SAHRAWAT <a.sahrawat@...sung.com>,
        PANKAJ MISHRA <pankaj.m@...sung.com>,
        Vaneet Narang <v.narang@...sung.com>
Subject: RE:(2) [PATCH 1/4] zstd: pass pointer rathen than structure to
 functions

Hi Andrew,
 
>But struct ZSTD_CCtx_s.params is still a copied structure.  Could we
>make it `const ZSTD_parameters *params'?  Probably not, due to lifetime
>issues?

ZSTD maintains its own ctxt. Yes we can avoid storing pointers of other modules
because of lifetime issues. We should keep ZSTD_CCtx_s.params as structure instead of pointer.


Thanks & Regards,
Vaneet Narang