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From: "Alex Bennée" <alex.bennee@linaro.org>
To: Nikunj A Dadhania <nikunj@linux.vnet.ibm.com>
Cc: luigi burdo <intermediadc@hotmail.com>,
	David Gibson <david@gibson.dropbear.id.au>,
	"qemu-devel@nongnu.org" <qemu-devel@nongnu.org>,
	"programmingkidx@gmail.com" <programmingkidx@gmail.com>,
	"qemu-ppc@nongnu.org" <qemu-ppc@nongnu.org>,
	"bharata@linux.vnet.ibm.com" <bharata@linux.vnet.ibm.com>,
	"rth@twiddle.net" <rth@twiddle.net>
Subject: Re: [Qemu-devel] [Qemu-ppc] [PATCH v2 0/3] Enable MTTCG on PPC64
Date: Mon, 10 Apr 2017 08:12:16 +0100	[thread overview]
Message-ID: <87k26ska7j.fsf@linaro.org> (raw)
In-Reply-To: <87r310rf6i.fsf@abhimanyu.i-did-not-set--mail-host-address--so-tickle-me>


Nikunj A Dadhania <nikunj@linux.vnet.ibm.com> writes:

> Alex Bennée <alex.bennee@linaro.org> writes:
>
>> luigi burdo <intermediadc@hotmail.com> writes:
>>
>>> Hi David and Nikuji,
>>>
>>> can i suggest to remove the message:
>>>
>>>
>>> Guest not yet converted to MTTCG - you may get unexpected results
>>> where the mttcg is enabled?
>>
>> Have you declared the memory ordering for the guest?
>
> No, I havent done that yet, will send a patch.

You also need to update configure so mttcg="yes" (resulting in
TARGET_SUPPORTS_MTTCG being set for the build).
>
>>> another thing im finding  is this message
>>> Guest expects a stronger memory ordering than the host provides
>>> This may cause strange/hard to debug errors
>>
>> See ca759f9e387db87e1719911f019bc60c74be9ed8 for an example.
>
> Regards
> Nikunj


--
Alex Bennée

  reply	other threads:[~2017-04-10  7:12 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-04-07  6:07 [Qemu-devel] [PATCH v2 0/3] Enable MTTCG on PPC64 Nikunj A Dadhania
2017-04-07  6:07 ` [Qemu-devel] [PATCH v2 1/3] target/ppc: Emulate LL/SC using cmpxchg helpers Nikunj A Dadhania
2017-04-07 18:26   ` Richard Henderson
2017-04-07  6:07 ` [Qemu-devel] [PATCH v2 2/3] cputlb: handle first atomic write to the page Nikunj A Dadhania
2017-04-07  6:07 ` [Qemu-devel] [PATCH v2 3/3] target/ppc: Generate fence operations Nikunj A Dadhania
2017-04-07 18:27   ` Richard Henderson
2017-04-07 17:49 ` [Qemu-devel] [Qemu-ppc] [PATCH v2 0/3] Enable MTTCG on PPC64 luigi burdo
2017-04-07 19:29   ` G 3
2017-04-07 20:11     ` luigi burdo
2017-04-08 11:16       ` luigi burdo
2017-04-09 14:17         ` Alex Bennée
2017-04-08  6:51 ` [Qemu-devel] " David Gibson
2017-04-09  8:41   ` [Qemu-devel] [Qemu-ppc] " luigi burdo
2017-04-09 14:27     ` Alex Bennée
2017-04-09 17:10       ` luigi burdo
2017-04-10  5:43       ` Nikunj A Dadhania
2017-04-10  7:12         ` Alex Bennée [this message]
2017-04-10  7:47           ` Nikunj A Dadhania
2017-04-09 17:00   ` [Qemu-devel] " Richard Henderson

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