linux-kernel - Re: [PATCH v7 10/15] platform/x86: dell-smbios: add filtering capability for requests

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Date:   Thu, 12 Oct 2017 16:33:35 +0200
From:   Pali Rohár <pali.rohar@...il.com>
To:     Mario.Limonciello@...l.com
Cc:     gnomes@...rguk.ukuu.org.uk, dvhart@...radead.org,
        andy.shevchenko@...il.com, linux-kernel@...r.kernel.org,
        platform-driver-x86@...r.kernel.org, luto@...nel.org,
        quasisec@...gle.com, rjw@...ysocki.net, mjg59@...gle.com,
        hch@....de, greg@...ah.com
Subject: Re: [PATCH v7 10/15] platform/x86: dell-smbios: add filtering
 capability for requests

On Thursday 12 October 2017 13:23:08 Mario.Limonciello@...l.com wrote:
> The existing dcdbas calling interface tooling (libsmbios) expects to be able 
> to access all calls and all tokens.  *The kernel doesn't filter any of it.*

It does not mean that API/ABI was designed correctly or incorrectly.
Existing old API/ABI is there and we are not going to change it...

> I understand the ask to filter some calls and that's why patch 10/15 exists,
> but please let me remind you this patch series is intended to /replace and
> deprecate/ dcdbas userspace access.

Now when there is a proposal for a new API/ABI, it should be designed
correctly without need to redesign it again in future and address all
problems which are found during review.

-- 
Pali Rohár
pali.rohar@...il.com