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Date:   Tue, 4 Apr 2017 14:36:01 +0200
From:   Ralf Baechle <ralf@...ux-mips.org>
To:     "Jason A. Donenfeld" <Jason@...c4.com>
Cc:     Matt Redfearn <matt.redfearn@...tec.com>,
        linux-mips@...ux-mips.org, Paolo Bonzini <pbonzini@...hat.com>,
        Marcin Nowakowski <marcin.nowakowski@...tec.com>,
        Masanari Iida <standby24x7@...il.com>,
        Chris Metcalf <cmetcalf@...lanox.com>,
        LKML <linux-kernel@...r.kernel.org>,
        James Hogan <james.hogan@...tec.com>,
        Paul Burton <paul.burton@...tec.com>,
        Ingo Molnar <mingo@...nel.org>,
        Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: [PATCH] MIPS: IRQ Stack: Unwind IRQ stack onto task stack

On Tue, Apr 04, 2017 at 01:58:04PM +0200, Jason A. Donenfeld wrote:

> This indeed is useful. Out of curiosity, are other archs using a
> similar technique? In anycase,
> 
> Acked-by: Jason A. Donenfeld <Jason@...c4.com>

Unfortunately MIPS doesn't have anything like a frame pointer or similar
to make backtracing easy so proper stacktraces have always been more of
rocket science than they really ought to ...

  Ralf

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