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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>,
	Marcin Nowakowski <marcin.nowakowski@imgtec.com>,
	Masanari Iida <standby24x7@gmail.com>,
	Chris Metcalf <cmetcalf@mellanox.com>,
	LKML <linux-kernel@vger.kernel.org>,
	James Hogan <james.hogan@imgtec.com>,
	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
Date: Tue, 4 Apr 2017 14:36:01 +0200	[thread overview]
Message-ID: <20170404123601.GH7681@linux-mips.org> (raw)
In-Reply-To: <CAHmME9p_Yw7Xi2P=zs4snEM3vGo8OkgM8cddpOy69KssNHqsmA@mail.gmail.com>

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

      parent reply	other threads:[~2017-04-04 12:45 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-03-21 14:52 [PATCH] MIPS: IRQ Stack: Unwind IRQ stack onto task stack Matt Redfearn
2017-03-21 14:52 ` Matt Redfearn
2017-04-04 11:58 ` Jason A. Donenfeld
2017-04-04 12:18   ` Matt Redfearn
2017-04-04 12:18     ` Matt Redfearn
2017-04-04 12:36   ` Ralf Baechle [this message]

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