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Date: Mon, 29 Oct 2018 20:12:32 +0200
From: Igor Stoppa <igor.stoppa@...il.com>
To: Dave Hansen <dave.hansen@...el.com>, Mimi Zohar
<zohar@...ux.vnet.ibm.com>, Kees Cook <keescook@...omium.org>,
Matthew Wilcox <willy@...radead.org>, Dave Chinner <david@...morbit.com>,
James Morris <jmorris@...ei.org>, Michal Hocko <mhocko@...nel.org>,
kernel-hardening@...ts.openwall.com, linux-integrity@...r.kernel.org,
linux-security-module@...r.kernel.org
Cc: igor.stoppa@...wei.com, Dave Hansen <dave.hansen@...ux.intel.com>,
Jonathan Corbet <corbet@....net>, Laura Abbott <labbott@...hat.com>,
Vlastimil Babka <vbabka@...e.cz>,
"Kirill A. Shutemov" <kirill.shutemov@...ux.intel.com>,
Andrew Morton <akpm@...ux-foundation.org>,
Pavel Tatashin <pasha.tatashin@...cle.com>, linux-mm@...ck.org,
linux-kernel@...r.kernel.org
Subject: Re: [PATCH 05/17] prmem: shorthands for write rare on common types
On 25/10/2018 01:28, Dave Hansen wrote:
> On 10/23/18 2:34 PM, Igor Stoppa wrote:
>> Wrappers around the basic write rare functionality, addressing several
>> common data types found in the kernel, allowing to specify the new
>> values through immediates, like constants and defines.
>
> I have to wonder whether this is the right way, or whether a
> size-agnostic function like put_user() is the right way. put_user() is
> certainly easier to use.
I definitely did not like it either.
But it was the best that came to my mind ...
The main purpose of this code was to show what I wanted to do.
Once more, thanks for pointing out a better way to do it.
--
igor
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