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

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Date:	Tue, 16 Feb 2016 16:32:30 +0100
From:	Alexander Potapenko <glider@...gle.com>
To:	Steven Rostedt <rostedt@...dmis.org>
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

Ok, interrupt.h sounds good.

On Fri, Jan 29, 2016 at 3:45 PM, Steven Rostedt <rostedt@...dmis.org> wrote:
> 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



-- 
Alexander Potapenko
Software Engineer

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