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Message-ID: <1477087365.2430.3.camel@kernel.crashing.org>
From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Date: Sat, 22 Oct 2016 09:02:45 +1100
In-Reply-To: <7e2d79de-5e4b-6140-63e1-f6829d834b4a@ilande.co.uk>
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Subject: Re: [Qemu-devel] target-ppc: gdbstub breakpoints get stuck in an
 infinite loop on next/continue
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To: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>, qemu-devel <qemu-devel@nongnu.org>, "qemu-ppc@nongnu.org" <qemu-ppc@nongnu.org>
Cc: David Gibson <david@gibson.dropbear.id.au>

On Fri, 2016-10-21 at 15:18 +0100, Mark Cave-Ayland wrote:
>=C2=A0
> bd6fefe71cec5a0c7d2be4ac96307f25db56abf9 is the first bad commit
> commit bd6fefe71cec5a0c7d2be4ac96307f25db56abf9
> Author: Benjamin Herrenschmidt <benh@kernel.crashing.org>
> Date:=C2=A0=C2=A0=C2=A0Wed Jul 27 16:56:32 2016 +1000
>=20
> =C2=A0=C2=A0=C2=A0=C2=A0ppc: Make tlb_fill() use new exception helper
>=20
> =C2=A0=C2=A0=C2=A0=C2=A0Signed-off-by: Benjamin Herrenschmidt <benh@ker=
nel.crashing.org>
> =C2=A0=C2=A0=C2=A0=C2=A0Signed-off-by: David Gibson <david@gibson.dropb=
ear.id.au>
>=20
> :040000 040000 3494b2d68eef71c8f7c7d4e57c5ff715146028b2
> 00849bf5889d8ee5b5ce633122b7aedf4a734372 M=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=
=C2=A0linux-user
> :040000 040000 32b1a8078a44c44e6bfd2184061b6da553cfc821
> 58afefec7a9fc5380fb408758a11dbe749010b97 M=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=
=C2=A0target-ppc

Hrm, that patch does a lot more that the subject (and lack of cset
comment) implies. I wonder if it got some rebase damage here.

In the meantime, look at=C2=A024a2d2ac2cfbb699cab216aaf118c8503f22817c
"=C2=A0ppc: Fix single step with gdb stub" in my wip branch, see if that
helps.