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From: Eduardo Habkost <ehabkost@redhat.com>
To: Pu Wen <puwen@hygon.cn>
Cc: qemu-devel@nongnu.org, berrange@redhat.com, pbonzini@redhat.com,
	rth@twiddle.net, mst@redhat.com, marcel.apfelbaum@gmail.com
Subject: Re: [Qemu-devel] [PATCH v2] i386: Add new Hygon 'Dhyana' CPU model
Date: Mon, 15 Apr 2019 17:39:17 -0300	[thread overview]
Message-ID: <20190415203917.GA32317@habkost.net> (raw)
In-Reply-To: <1555124080-27089-1-git-send-email-puwen@hygon.cn>

On Sat, Apr 13, 2019 at 10:54:40AM +0800, Pu Wen wrote:
> Add a new base CPU model called 'Dhyana' to model processors from Hygon
> Dhyana(family 18h), which derived from AMD EPYC(family 17h).
> 
> The following features bits have been removed compare to AMD EPYC:
> aes, pclmulqdq, sha_ni
> 
> The Hygon Dhyana support to KVM in Linux is already accepted upstream[1].
> So add Hygon Dhyana support to Qemu is necessary to create Hygon's own
> CPU model.
> 
> Reference:
> [1] https://git.kernel.org/tip/fec98069fb72fb656304a3e52265e0c2fc9adf87
> 
> Signed-off-by: Pu Wen <puwen@hygon.cn>

Thanks for the patch.

I'm wondering if we should let the CPU model be used only on
Hygon hosts, to avoid confusion.

-- 
Eduardo

WARNING: multiple messages have this Message-ID (diff)
From: Eduardo Habkost <ehabkost@redhat.com>
To: Pu Wen <puwen@hygon.cn>
Cc: mst@redhat.com, qemu-devel@nongnu.org, pbonzini@redhat.com,
	rth@twiddle.net
Subject: Re: [Qemu-devel] [PATCH v2] i386: Add new Hygon 'Dhyana' CPU model
Date: Mon, 15 Apr 2019 17:39:17 -0300	[thread overview]
Message-ID: <20190415203917.GA32317@habkost.net> (raw)
Message-ID: <20190415203917.B92i9Kw8GIfzlbcsWlx7EHNreZ8xBS4eoIpkx7_qNCQ@z> (raw)
In-Reply-To: <1555124080-27089-1-git-send-email-puwen@hygon.cn>

On Sat, Apr 13, 2019 at 10:54:40AM +0800, Pu Wen wrote:
> Add a new base CPU model called 'Dhyana' to model processors from Hygon
> Dhyana(family 18h), which derived from AMD EPYC(family 17h).
> 
> The following features bits have been removed compare to AMD EPYC:
> aes, pclmulqdq, sha_ni
> 
> The Hygon Dhyana support to KVM in Linux is already accepted upstream[1].
> So add Hygon Dhyana support to Qemu is necessary to create Hygon's own
> CPU model.
> 
> Reference:
> [1] https://git.kernel.org/tip/fec98069fb72fb656304a3e52265e0c2fc9adf87
> 
> Signed-off-by: Pu Wen <puwen@hygon.cn>

Thanks for the patch.

I'm wondering if we should let the CPU model be used only on
Hygon hosts, to avoid confusion.

-- 
Eduardo


  parent reply	other threads:[~2019-04-15 20:39 UTC|newest]

Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-04-13  2:54 [Qemu-devel] [PATCH v2] i386: Add new Hygon 'Dhyana' CPU model Pu Wen
2019-04-13  2:54 ` Pu Wen
2019-04-15  9:25 ` Daniel P. Berrangé
2019-04-15  9:25   ` Daniel P. Berrangé
2019-04-16  6:56   ` Pu Wen
2019-04-16  6:56     ` Pu Wen
2019-04-16  8:18     ` Daniel P. Berrangé
2019-04-16  8:18       ` Daniel P. Berrangé
2019-04-16  9:04       ` Pu Wen
2019-04-16  9:04         ` Pu Wen
2019-04-15 20:39 ` Eduardo Habkost [this message]
2019-04-15 20:39   ` Eduardo Habkost
2019-04-16  7:09   ` Pu Wen
2019-04-16  7:09     ` Pu Wen
2019-04-16  8:16   ` Daniel P. Berrangé
2019-04-16  8:16     ` Daniel P. Berrangé
2019-04-16 14:23     ` Eduardo Habkost
2019-04-16 14:23       ` Eduardo Habkost
2019-04-16 14:27       ` Daniel P. Berrangé
2019-04-16 14:27         ` Daniel P. Berrangé
2019-04-16 14:58         ` Eduardo Habkost
2019-04-16 14:58           ` Eduardo Habkost

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