From: zhukeqian <zhukeqian1@huawei.com>
To: Steven Price <steven.price@arm.com>, Marc Zyngier <maz@kernel.org>
Cc: <linux-kernel@vger.kernel.org>,
<linux-arm-kernel@lists.infradead.org>,
<kvmarm@lists.cs.columbia.edu>, <kvm@vger.kernel.org>,
Catalin Marinas <catalin.marinas@arm.com>,
Will Deacon <will@kernel.org>, James Morse <james.morse@arm.com>,
Suzuki K Poulose <suzuki.poulose@arm.com>,
<wanghaibin.wang@huawei.com>
Subject: Re: [PATCH 2/3] KVM: uapi: Remove KVM_DEV_TYPE_ARM_PV_TIME in kvm_device_type
Date: Mon, 17 Aug 2020 18:56:25 +0800 [thread overview]
Message-ID: <40a10c89-d876-5aea-dd45-b7e75ef31c71@huawei.com> (raw)
In-Reply-To: <72e34f84-5bea-8f69-6699-29e2970c80b4@arm.com>
Hi Steven,
On 2020/8/17 17:49, Steven Price wrote:
> On 17/08/2020 09:43, zhukeqian wrote:
>> Hi Marc,
>>
[...]
>>>
>>> It is pretty unfortunate that PV time has turned into such a train wreck,
>>> but that's what we have now, and it has to stay.
>> Well, I see. It is a sad thing indeed.
>
> Sorry about that, this got refactored so many times I guess I lost track of what was actually needed and this hunk remained when it should have been removed.
>
It's fine :-) , not a serious problem.
> I would hope that I'm the only one who has any userspace code which uses this, but I guess we should still be cautious since this has been in several releases now.
>
OK. For insurance purposes, we ought to ignore this patch to avoid breaking any user-space program.
> Steve
> .
Thanks,
Keqian
>
next prev parent reply other threads:[~2020-08-17 10:57 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-08-17 3:37 [PATCH 0/3] KVM: arm64: Some fixes and code adjustments for pvtime ST Keqian Zhu
2020-08-17 3:37 ` [PATCH 1/3] KVM: arm64: Some fixes of PV-time interface document Keqian Zhu
2020-08-17 8:47 ` Andrew Jones
2020-08-17 9:02 ` zhukeqian
2020-08-17 9:39 ` Steven Price
2020-08-17 3:37 ` [PATCH 2/3] KVM: uapi: Remove KVM_DEV_TYPE_ARM_PV_TIME in kvm_device_type Keqian Zhu
2020-08-17 7:39 ` Marc Zyngier
2020-08-17 8:43 ` zhukeqian
2020-08-17 9:49 ` Steven Price
2020-08-17 10:56 ` zhukeqian [this message]
2020-08-17 3:37 ` [PATCH 3/3] KVM: arm64: Use kvm_write_guest_lock when init stolen time Keqian Zhu
2020-08-17 8:52 ` Andrew Jones
2020-08-17 9:53 ` Steven Price
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