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List:       linux-kernel
Subject:    Re: [PATCH v8 00/25] Re-use nvram module
From:       Finn Thain <fthain () telegraphics ! com ! au>
Date:       2018-12-31 22:54:09
Message-ID: alpine.LNX.2.21.1901010947180.574 () nippy ! intranet
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On Sun, 30 Dec 2018, I wrote:

> 
> The rationale for the ops struct was that it offers introspection.
> 
> [...] those platforms which need checksum validation always set 
> byte-at-a-time methods to NULL.
> 
> [...] The NULL methods in the ops struct allow the nvram.c misc device 
> to avoid inefficient byte-at-a-time accessors where possible, just as 
> arch/powerpc/kernel/nvram_64.c presently does.
> 

Hopefully my message makes more sense with the tangential irrelevancies 
removed. I will document these considerations in nvram.h for the next 
revision.

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