From: Leonardo Bras <leo.bras@arm•com>
To: Tian Zheng <zhengtian10@huawei•com>
Cc: Leonardo Bras <leo.bras@arm•com>,
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 11:08:25 +0100 [thread overview]
Message-ID: <aetBGXkIbHaHm0L6@devkitleo> (raw)
In-Reply-To: <0403d30d-e75e-4922-b8c1-8cae349f3dc2@huawei.com>
On Fri, Apr 24, 2026 at 02:48:26PM +0800, Tian Zheng wrote:
>
> 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.
Awesome!
I got it all working on my side, so I will try to send a freestanding patch
with the required needs from HDBSS :)
>
> Feel free to let me know if you have any questions while working
> on HACDBS on top of HDBSS.
>
Will do:)
Thanks!
Leo
> Tian
>
next prev parent reply other threads:[~2026-04-24 10:08 UTC|newest]
Thread overview: 41+ 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
2026-06-01 0:50 ` Inochi Amaoto
2026-06-01 8:58 ` Marc Zyngier
2026-06-01 9:05 ` Inochi Amaoto
2026-06-05 8:29 ` 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
2026-04-24 10:08 ` Leonardo Bras [this message]
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
2026-05-19 15:23 ` Will Deacon
2026-05-19 15:35 ` Leonardo Bras
2026-05-20 8:51 ` Tian Zheng
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