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From: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
To: Peter Maydell <peter.maydell@linaro.org>
Cc: QEMU Developers <qemu-devel@nongnu.org>,
	Artyom Tarasenko <atar4qemu@gmail.com>
Subject: Re: [Qemu-devel] [PATCH 1/3] sun4u: split out NPT and INT_DIS into separate CPUTimer fields
Date: Fri, 8 Jan 2016 15:13:19 +0000	[thread overview]
Message-ID: <568FD20F.8040007@ilande.co.uk> (raw)
In-Reply-To: <CAFEAcA_Rop-s_k1265_+jjJLHs4AAzihyy4FgvRsVx_0HF9XUQ@mail.gmail.com>

On 08/01/16 14:55, Peter Maydell wrote:

> On 8 January 2016 at 14:34, Mark Cave-Ayland
> <mark.cave-ayland@ilande.co.uk> wrote:
>> I'm not particularly worried about sun4u for the moment as there are
>> already other reasons why migration would fail, e.g. no
>> VMStateDescription for storing PCI interrupt state in the apb host bridge.
>>
>> Last time I checked sun4m migration appeared to work under some very
>> light testing, so as long as this behaviour is preserved then I don't
>> see a problem.
> 
> OK. Does this apply to all 64-bit SPARC CPUs? (There are some
> things I can simplify in the CPU migration code if we can break
> 64-bit migration.)

Yes, seems reasonable to me - I'm fairly sure that sun4u migration is
incomplete so I'd be amazed if anyone were successfully using this out
in the field.


ATB,

Mark.

  reply	other threads:[~2016-01-08 15:13 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-11-13 17:54 [Qemu-devel] [PATCH 0/3] sun4u: timer fixups Mark Cave-Ayland
2015-11-13 17:54 ` [Qemu-devel] [PATCH 1/3] sun4u: split out NPT and INT_DIS into separate CPUTimer fields Mark Cave-Ayland
2016-01-08 14:05   ` Peter Maydell
2016-01-08 14:34     ` Mark Cave-Ayland
2016-01-08 14:55       ` Peter Maydell
2016-01-08 15:13         ` Mark Cave-Ayland [this message]
2015-11-13 17:54 ` [Qemu-devel] [PATCH 2/3] sun4u: split NPT and INT_DIS accesses between timer and compare registers Mark Cave-Ayland
2015-11-13 17:54 ` [Qemu-devel] [PATCH 3/3] target-sparc: implement NPT timer bit Mark Cave-Ayland
2016-01-05 10:32 ` [Qemu-devel] [PATCH 0/3] sun4u: timer fixups Artyom Tarasenko

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