From: Sudeep Holla <sudeep.holla@kernel.org>
To: Yeoreum Yun <yeoreum.yun@arm.com>
Cc: Marc Zyngier <maz@kernel.org>,
linux-security-module@vger.kernel.org,
linux-kernel@vger.kernel.org, linux-integrity@vger.kernel.org,
linux-arm-kernel@lists.infradead.org, kvmarm@lists.linux.dev,
paul@paul-moore.com, jmorris@namei.org, serge@hallyn.com,
zohar@linux.ibm.com, roberto.sassu@huawei.com,
dmitry.kasatkin@gmail.com, eric.snowberg@oracle.com,
peterhuewe@gmx.de, jarkko@kernel.org, jgg@ziepe.ca,
oupton@kernel.org, joey.gouly@arm.com, suzuki.poulose@arm.com,
yuzenghui@huawei.com, catalin.marinas@arm.com, will@kernel.org
Subject: Re: [RFC PATCH 4/4] firmware: arm_ffa: check pkvm initailised when initailise ffa driver
Date: Tue, 21 Apr 2026 09:51:00 +0100 [thread overview]
Message-ID: <20260421-married-liberal-ammonite-dffda8@sudeepholla> (raw)
In-Reply-To: <aecf57rWloQwDh6v@e129823.arm.com>
On Tue, Apr 21, 2026 at 07:57:43AM +0100, Yeoreum Yun wrote:
[...]
>
> Also, the FF-A initialization is not driven by a device probe, but rather
> happens as part of the bus registration itself,
> so it does not fit well with a device_link or probe deferral based approach.
>
> Instead, perhaps we could go with the idea I mentioned previously:
> either introduce a notifier, or create a pseudo ffa_device
> once pKVM initialization has completed, and
> then let the ffa driver perform the additional initialization from there.
>
> Am I missing something?
>
In order to handle/cleanup some ugliness in interrupt management in the
FF-A driver, we may introduce DT node eventually. But it will take sometime.
--
Regards,
Sudeep
next prev parent reply other threads:[~2026-04-21 8:51 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-04-17 17:57 [RFC PATCH 0/4] fix FF-A call failed with pKVM when ff-a driver is built-in Yeoreum Yun
2026-04-17 17:57 ` [RFC PATCH 1/4] security: ima: move ima_init into late_initcall_sync Yeoreum Yun
2026-04-20 10:32 ` Jonathan McDowell
2026-04-21 9:37 ` Yeoreum Yun
2026-04-21 12:00 ` Mimi Zohar
2026-04-21 12:50 ` Yeoreum Yun
2026-04-21 13:26 ` Mimi Zohar
2026-04-21 14:09 ` Yeoreum Yun
2026-04-17 17:57 ` [RFC PATCH 2/4] tpm: tpm_crb_ffa: revert defered_probed when tpm_crb_ffa is built-in Yeoreum Yun
2026-04-17 17:57 ` [RFC PATCH 3/4] firmware: arm_ffa: revert ffa_init() initcall level to device_initcall Yeoreum Yun
2026-04-17 17:57 ` [RFC PATCH 4/4] firmware: arm_ffa: check pkvm initailised when initailise ffa driver Yeoreum Yun
2026-04-18 9:24 ` Marc Zyngier
2026-04-18 10:34 ` Yeoreum Yun
2026-04-19 10:41 ` Marc Zyngier
2026-04-19 11:12 ` Yeoreum Yun
2026-04-20 8:55 ` Will Deacon
2026-04-20 9:25 ` Yeoreum Yun
2026-04-20 10:42 ` Will Deacon
2026-04-20 10:56 ` Yeoreum Yun
2026-04-20 15:47 ` Sudeep Holla
2026-04-20 17:04 ` Yeoreum Yun
2026-04-21 6:57 ` Yeoreum Yun
2026-04-21 8:51 ` Sudeep Holla [this message]
2026-04-21 9:12 ` Yeoreum Yun
2026-04-22 13:32 ` Yeoreum Yun
2026-04-20 12:32 ` Sebastian Ene
2026-04-20 12:46 ` Marc Zyngier
2026-04-20 14:20 ` Sebastian Ene
2026-04-20 15:04 ` Yeoreum Yun
2026-04-20 16:50 ` Sudeep Holla
2026-04-20 13:00 ` Yeoreum Yun
2026-04-20 14:05 ` Sebastian Ene
2026-04-20 14:47 ` Yeoreum Yun
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20260421-married-liberal-ammonite-dffda8@sudeepholla \
--to=sudeep.holla@kernel.org \
--cc=catalin.marinas@arm.com \
--cc=dmitry.kasatkin@gmail.com \
--cc=eric.snowberg@oracle.com \
--cc=jarkko@kernel.org \
--cc=jgg@ziepe.ca \
--cc=jmorris@namei.org \
--cc=joey.gouly@arm.com \
--cc=kvmarm@lists.linux.dev \
--cc=linux-arm-kernel@lists.infradead.org \
--cc=linux-integrity@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-security-module@vger.kernel.org \
--cc=maz@kernel.org \
--cc=oupton@kernel.org \
--cc=paul@paul-moore.com \
--cc=peterhuewe@gmx.de \
--cc=roberto.sassu@huawei.com \
--cc=serge@hallyn.com \
--cc=suzuki.poulose@arm.com \
--cc=will@kernel.org \
--cc=yeoreum.yun@arm.com \
--cc=yuzenghui@huawei.com \
--cc=zohar@linux.ibm.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox