linux-kernel - Re: [PATCH v5 0/4] Support timer drivers as loadable modules

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <9be6328b0996f1d46301377340973d02aef5663f.camel@mediatek.com>
Date:   Mon, 19 Jun 2023 02:17:31 +0000
From:   Walter Chang (張維哲) 
        <Walter.Chang@...iatek.com>
To:     "tglx@...utronix.de" <tglx@...utronix.de>,
        "daniel.lezcano@...aro.org" <daniel.lezcano@...aro.org>,
        "matthias.bgg@...il.com" <matthias.bgg@...il.com>,
        "jstultz@...gle.com" <jstultz@...gle.com>,
        "angelogioacchino.delregno@...labora.com" 
        <angelogioacchino.delregno@...labora.com>,
        "macro@...am.me.uk" <macro@...am.me.uk>
CC:     "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>,
        wsd_upstream <wsd_upstream@...iatek.com>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Stanley Chu (朱原陞) 
        <stanley.chu@...iatek.com>,
        Freddy Hsin (辛恒豐) 
        <Freddy.Hsin@...iatek.com>,
        "linux-mediatek@...ts.infradead.org" 
        <linux-mediatek@...ts.infradead.org>,
        Chun-Hung Wu (巫駿宏) 
        <Chun-hung.Wu@...iatek.com>
Subject: Re: [PATCH v5 0/4] Support timer drivers as loadable modules

On Wed, 2023-05-17 at 10:25 +0800, walter.chang@...iatek.com wrote:
> From: Walter Chang <walter.chang@...iatek.com>
> 
> This set of patches aims to make SoC related timer drivers, such as 
> timer-mediatek.c become loadable modules for the Generic Kernel Image
> (GKI).
> 
> This driver registers an always-on timer as tick_broadcast_device on 
> MediaTek SoCs. If the system does not load this module at startup, 
> system will also boot normally by using built-in `bc_hrtimer`
> instead.
> Besides, the previous experiment [1] indicates that the SYST/GPT, in 
> combination with a loadable module, is fully operational.
> 
> The first three patches export functions and remove __init markings
> to 
> support loadable timer modules.
> 
> The fourth patch makes timer-mediatek.c become loadable module for
> GKI.
> 
> [1]
> 
https://lore.kernel.org/all/32777456f8e0f98e4cd5b950f421d21f71b149cf.camel@mediatek.com/#t
> 
> [v5]
> - Add Signed-off-by tags in all patches
> - Add Acked-by tags and Reviewed-by tags
> 
> [v4]
> - Fix review comments pointed by Angelo
> 
> [v3]
> - Rebase on linux-next
> 
> [v2]
> - Convert timer-mediatek.c driver to loadable module
> 
> Chun-Hung Wu (4):
>   time/sched_clock: Export sched_clock_register()
>   clocksource/drivers/mmio: Export clocksource_mmio_init()
>   clocksource/drivers/timer-of: Remove __init markings
>   clocksource/drivers/timer-mediatek: Make timer-mediatek become
>     loadable module
> 
>  drivers/clocksource/Kconfig          |  2 +-
>  drivers/clocksource/mmio.c           |  8 ++++---
>  drivers/clocksource/timer-mediatek.c | 33
> ++++++++++++++++++++++++++++
>  drivers/clocksource/timer-of.c       | 23 +++++++++----------
>  drivers/clocksource/timer-of.h       |  6 ++---
>  kernel/time/sched_clock.c            |  4 ++--
>  6 files changed, 56 insertions(+), 20 deletions(-)
> 

Gentle ping for this series.

Thanks,
Walter Chang