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From: Julien Grall <julien.grall@arm.com>
To: Volodymyr Babchuk <volodymyr_babchuk@epam.com>, xen-devel@lists.xen.org
Cc: Stefano Stabellini <sstabellini@kernel.org>
Subject: Re: [PATCH 2/2] arm: traps: handle PSCI calls inside `smccc.c`
Date: Wed, 14 Jun 2017 15:21:23 +0100	[thread overview]
Message-ID: <980dfb6a-2705-cfce-74b5-827dfcb54ee5@arm.com> (raw)
In-Reply-To: <1497449445-23112-3-git-send-email-volodymyr_babchuk@epam.com>

Hi Volodymyr,

On 06/14/2017 03:10 PM, Volodymyr Babchuk wrote:
> PSCI is part of HVC/SMC interface, so it should be handled in
> appropriate place: `smccc.c`. This patch just moves PSCI
> handler calls from `traps.c` to `smccc.c`.
> 
> PSCI is considered as two different "services" in terms of SMCCC.
> Older PSCI 1.0 is treated as "architecture service", while never
> PSCI 2.0 is defined as "standard secure service".
> 
> Also old accessors PSCI_ARG() and PSCI_RESULT_REG() were replaced
> with generic set_user_reg()/get_user_reg() functions.
This is a call to split the patch in multiple small ones to ease the review.

I like the idea of using SMCC for PSCI, and will review the code when it 
will be split.

Cheers,

-- 
Julien Grall

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  reply	other threads:[~2017-06-14 14:21 UTC|newest]

Thread overview: 38+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-06-14 14:10 [PATCH 0/2] Handle SMCs and HVCs in conformance with SMCCC Volodymyr Babchuk
2017-06-14 14:10 ` [PATCH 1/2] arm: smccc: handle SMCs/HVCs according to SMCCC Volodymyr Babchuk
2017-06-15 10:48   ` Julien Grall
2017-06-19 21:59     ` Volodymyr Babchuk
2017-06-20 11:55       ` Julien Grall
2017-06-22 16:29     ` Volodymyr Babchuk
2017-06-27 11:08       ` Julien Grall
2017-06-27 14:40         ` Volodymyr Babchuk
2017-06-27 14:54           ` Julien Grall
2017-06-16 21:24   ` Stefano Stabellini
2017-08-01 10:59   ` Julien Grall
2017-08-01 14:25     ` Edgar E. Iglesias
2017-08-01 20:40       ` Stefano Stabellini
2017-08-01 21:02         ` Julien Grall
2017-08-01 21:22           ` Edgar E. Iglesias
2017-08-01 22:07             ` Julien Grall
2017-08-02 18:29               ` Stefano Stabellini
2017-06-14 14:10 ` [PATCH 2/2] arm: traps: handle PSCI calls inside `smccc.c` Volodymyr Babchuk
2017-06-14 14:21   ` Julien Grall [this message]
2017-06-14 14:37     ` Volodymyr Babchuk
2017-06-14 15:27       ` Julien Grall
2017-06-22 16:24 ` [PATCH v2 0/4] Handle SMCs and HVCs in conformance with SMCCC Volodymyr Babchuk
2017-06-22 16:24   ` [PATCH v2 1/4] arm: traps: psci: use generic register accessors Volodymyr Babchuk
2017-06-30 10:37     ` Julien Grall
2017-06-22 16:24   ` [PATCH v2 2/4] arm: smccc: handle SMCs/HVCs according to SMCCC Volodymyr Babchuk
2017-06-30 15:15     ` Julien Grall
2017-07-18 13:21       ` Julien Grall
2017-06-22 16:24   ` [PATCH v2 3/4] arm: traps: handle PSCI calls inside `vsmc.c` Volodymyr Babchuk
2017-06-30 21:13     ` Stefano Stabellini
2017-07-02 19:31       ` Julien Grall
2017-06-22 16:25   ` [PATCH v2 4/4] vsmc: psci: remove 64 bit mode check Volodymyr Babchuk
2017-06-30 21:19     ` Stefano Stabellini
2017-07-02 19:40       ` Julien Grall
2017-07-03 17:29         ` Stefano Stabellini
2017-07-04 11:44           ` Julien Grall
2017-07-02 19:34     ` Julien Grall
2017-07-02 19:34       ` Julien Grall
2017-06-27 12:57   ` [PATCH v2 0/4] Handle SMCs and HVCs in conformance with SMCCC Julien Grall

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