linux-kernel - Re: [PATCH v2 4/7] ghes_edac: avoid multiple calls to dmi

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: <20170814162436.lta5xm742hh6g7yk@pd.tnic>
Date:   Mon, 14 Aug 2017 18:24:36 +0200
From:   Borislav Petkov <bp@...en8.de>
To:     "Kani, Toshimitsu" <toshi.kani@....com>
Cc:     "rjw@...ysocki.net" <rjw@...ysocki.net>,
        "lenb@...nel.org" <lenb@...nel.org>,
        "mchehab@...nel.org" <mchehab@...nel.org>,
        "tony.luck@...el.com" <tony.luck@...el.com>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "linux-acpi@...r.kernel.org" <linux-acpi@...r.kernel.org>,
        "linux-edac@...r.kernel.org" <linux-edac@...r.kernel.org>
Subject: Re: [PATCH v2 4/7] ghes_edac: avoid multiple calls to dmi_walk()

On Mon, Aug 14, 2017 at 03:57:35PM +0000, Kani, Toshimitsu wrote:
> Hmm... Sorry, I failed to see how your patchset solved it.  Would you
> mind to explain how it is done?

+static int __init ghes_edac_register(void)
 {
+       struct ghes_edac_pvt *pvt = ghes_pvt;

Only one local ghes_pvt structure.

And you handle multiple calls into ghes_edac_register() by exiting all
those which are not the first one as the first one already did all the
init.

-- 
Regards/Gruss,
    Boris.

Good mailing practices for 400: avoid top-posting and trim the reply.