linux-kernel - Re: [PATCH v1 4/8] arch, ftrace: For KASAN put hard/soft IRQ entries into separate sections

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Message-ID: <20160129094520.274a860f@gandalf.local.home>
Date:	Fri, 29 Jan 2016 09:45:20 -0500
From:	Steven Rostedt <rostedt@...dmis.org>
To:	Alexander Potapenko <glider@...gle.com>
Cc:	Andrey Konovalov <adech.fo@...il.com>,
	Christoph Lameter <cl@...ux.com>,
	Dmitriy Vyukov <dvyukov@...gle.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Andrey Ryabinin <ryabinin.a.a@...il.com>,
	kasan-dev@...glegroups.com, linux-kernel@...r.kernel.org,
	linux-mm@...ck.org
Subject: Re: [PATCH v1 4/8] arch, ftrace: For KASAN put hard/soft IRQ
 entries into separate sections

On Fri, 29 Jan 2016 12:59:13 +0100
Alexander Potapenko <glider@...gle.com> wrote:

> On the other hand, this will require including <linux/irq.h> into
> various files that currently use __irq_section.
> But that header has a comment saying:
> 
> /*
>  * Please do not include this file in generic code.  There is currently
>  * no requirement for any architecture to implement anything held
>  * within this file.
>  *
>  * Thanks. --rmk
>  */
> 
> Do we really want to put anything into that header?
> 

What about interrupt.h?

It's just weird to have KSAN needing to pull in ftrace.h for irq work.

-- Steve