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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