linux-kernel - Re: [PATCH 01/11] resource: Add System RAM resource type

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Message-ID: <CAPcyv4iw=ww3VwgG7XMO7oSX648W89q0czohLZPf=0pL_1p4Dw@mail.gmail.com>
Date:	Wed, 16 Dec 2015 10:57:52 -0800
From:	Dan Williams <dan.j.williams@...el.com>
To:	Borislav Petkov <bp@...en8.de>
Cc:	Toshi Kani <toshi.kani@....com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	linux-arch@...r.kernel.org, Linux MM <linux-mm@...ck.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	"Rafael J. Wysocki" <rafael.j.wysocki@...el.com>
Subject: Re: [PATCH 01/11] resource: Add System RAM resource type

On Wed, Dec 16, 2015 at 10:17 AM, Borislav Petkov <bp@...en8.de> wrote:
> On Wed, Dec 16, 2015 at 09:52:37AM -0800, Dan Williams wrote:
[..]
> Now, imagine you have to do this pretty often. Which is faster: a
> strcmp() or an int comparison...?

Aside from "System RAM" checks I don't think any of these strcmp
usages are in fast paths.

> Even if this cannot be changed easily/in one go, maybe we should at
> least think about starting doing it right so that the strcmp() "fun" is
> phased out gradually...

Sure, but I really don't find use of strcmp() that onerous in slow paths.
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