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From: Tian Zheng <zhengtian10@huawei.com>
To: Leonardo Bras <leo.bras@arm.com>
Cc: <maz@kernel.org>, <oupton@kernel.org>, <catalin.marinas@arm.com>,
	<corbet@lwn.net>, <pbonzini@redhat.com>, <will@kernel.org>,
	<yuzenghui@huawei.com>, <wangzhou1@hisilicon.com>,
	<liuyonglong@huawei.com>, <Jonathan.Cameron@huawei.com>,
	<yezhenyu2@huawei.com>, <linuxarm@huawei.com>,
	<joey.gouly@arm.com>, <kvmarm@lists.linux.dev>,
	<kvm@vger.kernel.org>, <linux-arm-kernel@lists.infradead.org>,
	<linux-doc@vger.kernel.org>, <linux-kernel@vger.kernel.org>,
	<skhan@linuxfoundation.org>, <suzuki.poulose@arm.com>
Subject: Re: [PATCH v3 4/5] KVM: arm64: Enable HDBSS support and handle HDBSSF events
Date: Fri, 24 Apr 2026 14:48:26 +0800	[thread overview]
Message-ID: <0403d30d-e75e-4922-b8c1-8cae349f3dc2@huawei.com> (raw)
In-Reply-To: <aeeHNMqDx5Yipt_K@devkitleo>


On 4/21/2026 10:18 PM, Leonardo Bras wrote:
> On Mon, Mar 30, 2026 at 12:31:28PM +0100, Leonardo Bras wrote:
>> On Sat, Mar 28, 2026 at 02:05:25PM +0800, Tian Zheng wrote:
>>> On 3/27/2026 11:00 PM, Leonardo Bras wrote:
>>>> On Fri, Mar 27, 2026 at 03:35:29PM +0800, Tian Zheng wrote:
>>>>> On 3/26/2026 2:05 AM, Leonardo Bras wrote:
>>>>>> Hello Tian,
>>>>>>
>>>>>> I am currently working on HACDBS enablement(which will be rebased on top of
>>>>>> this patchset) and due to the fact HACDBS and HDBSS are kind of
>>>>>> complementary I will sometimes come with some questions for issues I have
>>>>>> faced myself on that part. :)
>>>>>>
>>>>>> (see below)
>>>>> Of course! Happy to exchange ideas and learn together.
>>>> :)
> Hello Tian,
>
> On the above, HACDBS depends on HACDBSIRQ which can be announced by either
> device-tree or ACPI.
>
> Do you think it's ok for it to be ACPI only, for now?
>
> Thanks!
> Leo

Hi Leo,

No problem with ACPI-only for HACDBSIRQ for now.

Feel free to let me know if you have any questions while working
on HACDBS on top of HDBSS.

Tian



  reply	other threads:[~2026-04-24  6:48 UTC|newest]

Thread overview: 34+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-02-25  4:04 [PATCH v3 0/5] Support the FEAT_HDBSS introduced in Armv9.5 Tian Zheng
2026-02-25  4:04 ` [PATCH v3 1/5] arm64/sysreg: Add HDBSS related register information Tian Zheng
2026-02-25  4:04 ` [PATCH v3 2/5] KVM: arm64: Add support to set the DBM attr during memory abort Tian Zheng
2026-02-25  4:04 ` [PATCH v3 3/5] KVM: arm64: Add support for FEAT_HDBSS Tian Zheng
2026-02-25  4:04 ` [PATCH v3 4/5] KVM: arm64: Enable HDBSS support and handle HDBSSF events Tian Zheng
2026-02-25 17:46   ` Leonardo Bras
2026-02-27 10:47     ` Tian Zheng
2026-02-27 14:10       ` Leonardo Bras
2026-03-04  3:06         ` Tian Zheng
2026-03-04 12:08           ` Leonardo Bras
2026-03-05  7:37             ` Tian Zheng
2026-03-04 15:40   ` Leonardo Bras
2026-03-06  9:27     ` Tian Zheng
2026-03-06 15:01       ` Leonardo Bras
2026-03-12  6:17         ` Tian Zheng
2026-03-12 12:06           ` Leonardo Bras
2026-03-12 13:13             ` Tian Zheng
2026-03-12 14:58               ` Leonardo Bras
2026-03-25 18:05   ` Leonardo Bras
2026-03-25 18:20     ` [PATCH] arm64/kvm: Enable eager hugepage splitting if HDBSS is available Leonardo Bras
2026-03-27  7:40       ` Tian Zheng
2026-03-27 14:37         ` Leonardo Bras
2026-03-26 14:31     ` [PATCH v3 4/5] KVM: arm64: Enable HDBSS support and handle HDBSSF events Leonardo Bras
2026-03-27  7:35     ` Tian Zheng
2026-03-27 15:00       ` Leonardo Bras
2026-03-28  6:05         ` Tian Zheng
2026-03-30 11:31           ` Leonardo Bras
2026-04-21 14:18             ` Leonardo Bras
2026-04-24  6:48               ` Tian Zheng [this message]
2026-04-24 10:08                 ` Leonardo Bras
2026-02-25  4:04 ` [PATCH v3 5/5] KVM: arm64: Document HDBSS ioctl Tian Zheng
2026-03-31 14:13 ` [PATCH v3 0/5] Support the FEAT_HDBSS introduced in Armv9.5 Leonardo Bras
2026-04-02  2:40   ` Tian Zheng
2026-04-02 12:42     ` Leonardo Bras

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