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Date:   Tue, 4 Apr 2017 14:36:01 +0200
From:   Ralf Baechle <ralf@linux-mips.org>
To:     "Jason A. Donenfeld" <Jason@zx2c4.com>
Cc:     Matt Redfearn <matt.redfearn@imgtec.com>,
        linux-mips@linux-mips.org, Paolo Bonzini <pbonzini@redhat.com>,
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        Paul Burton <paul.burton@imgtec.com>,
        Ingo Molnar <mingo@kernel.org>,
        Andrew Morton <akpm@linux-foundation.org>
Subject: Re: [PATCH] MIPS: IRQ Stack: Unwind IRQ stack onto task stack
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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@zx2c4.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