From: Shannon Zhao <zhaoshenglong@huawei.com>
To: Suzuki K Poulose <Suzuki.Poulose@arm.com>,
kvmarm@lists.cs.columbia.edu, marc.zyngier@arm.com,
christoffer.dall@linaro.org
Cc: shannon.zhao@linaro.org, linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH] arm64: KVM: Enable support for Cortex-A72
Date: Wed, 24 Aug 2016 17:23:38 +0800 [thread overview]
Message-ID: <57BD679A.6060406@huawei.com> (raw)
In-Reply-To: <ffda6889-5c31-1b56-942c-de65bbb1c16f@arm.com>
On 2016/8/24 16:57, Suzuki K Poulose wrote:
> On 24/08/16 08:21, Shannon Zhao wrote:
>> In order to allow KVM to run on Cortex-A72 physical cpus, enable KVM
>> support for Cortex-A72.
>
> Do we really need this change ? Given that A72 is using the generic_v8
> table,
> it will automatically be supported via the GENERIC_V8 target. That was
> added
> just for this purpose. The pre-existing targets were preserved so that
> we don't break the ABI for older user space.
>
Yes, this works for qemu with "-cpu host". But if it specifies the cpu
type with "-cpu cortex-a72". It will fail without this patch.
The corresponding qemu patches could be found at [1].
[1] https://lists.gnu.org/archive/html/qemu-devel/2016-08/msg03653.html
Thanks,
--
Shannon
next prev parent reply other threads:[~2016-08-24 9:17 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-08-24 7:21 [PATCH] arm64: KVM: Enable support for Cortex-A72 Shannon Zhao
2016-08-24 8:57 ` Suzuki K Poulose
2016-08-24 9:23 ` Shannon Zhao [this message]
2016-08-24 10:19 ` Suzuki K Poulose
2016-08-24 10:54 ` Peter Maydell
2016-08-24 9:23 ` Marc Zyngier
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