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From: "Pavel Dovgalyuk" <dovgaluk@ispras.ru>
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Date: Wed, 1 Nov 2017 08:14:06 +0300
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Subject: Re: [Qemu-devel] What is the best commit for record-replay?
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To: =?utf-8?Q?'Alex_Benn=C3=A9e'?= <alex.bennee@linaro.org>
Cc: 'Aleksandr Bezzubikov' <zuban32s@gmail.com>, 'QEMU Developers' <qemu-devel@nongnu.org>, 'Pranith Kumar' <bobby.prani+qemu@gmail.com>, pavel.dovgaluk@ispras.ru, 'Aleksandr Bezzubikov' <abezzubikov@ispras.ru>, 'Paolo Bonzini' <pbonzini@redhat.com>, 'Igor R' <boost.lists@gmail.com>

> From: Alex Benn=C3=A9e [mailto:alex.bennee@linaro.org]
> Pavel Dovgalyuk <dovgaluk@ispras.ru> writes:
>=20
> >> From: Alex Benn=C3=A9e [mailto:alex.bennee@linaro.org]
> >> Aleksandr Bezzubikov <zuban32s@gmail.com> writes:
> >>
> >> > 2017-09-19 12:30 GMT+03:00 Alex Benn=C3=A9e =
<alex.bennee@linaro.org>:
> >> >>
> >> >>> As I know, RR is still broken in the current version.
> >> >>> It was caused by the MTTCG implementation.
> >> >>> Alex Bennee tried to fix RR back. Alex, have you found any =
solution?
> >> >>>
> >> >>> We also trying to find a way to fix RR. It seems, that we will =
reinvent BQL for RR.
> >> >>
> >> >> I think the method outlined in my RFC is the way to go, =
essentially the
> >> >> RR mutex taking over for the what the BQL did. The RFC patch =
hadn't
> >> >> hoisted the mutex for the additional devices so I'm just =
re-basing now
> >> >> and I'll see if I can make the changes for Igor's test case.
> >> >>
> >> >> --
> >> >> Alex Benn=C3=A9e
> >>
> >> Could you try:
> >>
> >>   https://github.com/stsquad/qemu/tree/bql-and-replay-locks-v2
> >>
> >> And report back?
> >
> > Please check the new series of the patches.
> > It includes patches from Alex and some fixes that made them working.
>=20
> For reference that is:
>=20
>   Subject: [RFC PATCH 00/26] replay additions
>   From: Pavel Dovgalyuk <Pavel.Dovgaluk@ispras.ru>
>   Date: Tue, 31 Oct 2017 14:24:57 +0300
>   Message-ID: <20171031112457.10516.8971.stgit@pasha-VirtualBox>

That's right.

Pavel Dovgalyuk