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Date:   Tue, 4 Apr 2017 14:36:01 +0200
From:   Ralf Baechle <>
To:     "Jason A. Donenfeld" <>
Cc:     Matt Redfearn <>,, Paolo Bonzini <>,
        Marcin Nowakowski <>,
        Masanari Iida <>,
        Chris Metcalf <>,
        LKML <>,
        James Hogan <>,
        Paul Burton <>,
        Ingo Molnar <>,
        Andrew Morton <>
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 <>

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 ...


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