linux-kernel - Re: Linux Interrupt Context maps to ARM CPSR.mode = IRQ

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Message-ID: <CAPUj1OML_Rag3gxxBzswS6yaqFciuq2hKrV9BthL2OwU+wNj3A@mail.gmail.com>
Date:	Fri, 2 May 2014 18:04:53 +0530
From:	Mj Embd <mj.embd@...il.com>
To:	kernelnewbies <kernelnewbies@...nelnewbies.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Marc Zyngier <marc.zyngier@....com>
Subject: Re: Linux Interrupt Context maps to ARM CPSR.mode = IRQ

Adding Marc to comment
Marc Please clarify the doubt



On Fri, May 2, 2014 at 5:15 PM, Mj Embd <mj.embd@...il.com> wrote:
> Hi,
>
> As per a lot of linux documentation some components work in process
> context and some work in interrupt context.
>
> If we try to map these contexts to ARM processor modes then is it
> safely to assume that
> Process Context : CPSR.mode = SVC
> Interrupt Context : CPSR.mode = IRQ
>
> If not how to define interrupt context properly. Confusing at times.
>
> --
> -mj



-- 
-mj
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