From: Stephen Warren <swarren@wwwdotorg.org>
To: Domenico Andreoli <domenico.andreoli@linux.com>,
linux-arch@vger.kernel.org
Cc: Russell King <linux@arm.linux.org.uk>,
Arnd Bergmann <arnd@arndb.de>, Ralf Baechle <ralf@linux-mips.org>,
linux-mips@lvger.kernel.org, Olof Johansson <olof@lixom.net>,
linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH 00/11] RFC: Common machine reset handling
Date: Thu, 31 Oct 2013 15:49:18 -0600 [thread overview]
Message-ID: <5272D05E.1070207@wwwdotorg.org> (raw)
In-Reply-To: <20131031062708.520968323@linux.com>
On 10/31/2013 12:27 AM, Domenico Andreoli wrote:
> Hi,
>
> I've been looking for a solution to my bcm4760 watchdog based restart
> hook when I noticed that the kernel reboot/shutdown mechanism is having
> a few unaddressed issues.
>
> Those I identified are:
>
> 1) context pointer often needed by the reset hook
> (currently local static data is used for this pourpose)
> 2) unclear ownership/policy in case of multiple reset hooks
> (currently almost nobody seems to care much)
I'm not sure how this patchset solves (2); even with the new API, it's
still the case that whichever code calls set_machine_reset() last wins,
just like before where whichever code wrote to pm_power_off won. I'm not
sure what this series attempts to solve.
WARNING: multiple messages have this Message-ID (diff)
From: swarren@wwwdotorg.org (Stephen Warren)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 00/11] RFC: Common machine reset handling
Date: Thu, 31 Oct 2013 15:49:18 -0600 [thread overview]
Message-ID: <5272D05E.1070207@wwwdotorg.org> (raw)
In-Reply-To: <20131031062708.520968323@linux.com>
On 10/31/2013 12:27 AM, Domenico Andreoli wrote:
> Hi,
>
> I've been looking for a solution to my bcm4760 watchdog based restart
> hook when I noticed that the kernel reboot/shutdown mechanism is having
> a few unaddressed issues.
>
> Those I identified are:
>
> 1) context pointer often needed by the reset hook
> (currently local static data is used for this pourpose)
> 2) unclear ownership/policy in case of multiple reset hooks
> (currently almost nobody seems to care much)
I'm not sure how this patchset solves (2); even with the new API, it's
still the case that whichever code calls set_machine_reset() last wins,
just like before where whichever code wrote to pm_power_off won. I'm not
sure what this series attempts to solve.
next prev parent reply other threads:[~2013-10-31 21:49 UTC|newest]
Thread overview: 42+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-10-31 6:27 [PATCH 00/11] RFC: Common machine reset handling Domenico Andreoli
2013-10-31 6:27 ` Domenico Andreoli
2013-10-31 6:27 ` [PATCH 01/11] machine-reset: platform generic handling Domenico Andreoli
2013-10-31 6:27 ` Domenico Andreoli
2013-10-31 6:27 ` [PATCH 02/11] ARM: use the common machine reset handling Domenico Andreoli
2013-10-31 6:27 ` Domenico Andreoli
2013-10-31 6:27 ` [PATCH 03/11] ARM64: " Domenico Andreoli
2013-10-31 6:27 ` Domenico Andreoli
2013-10-31 6:27 ` [PATCH 04/11] MIPS: " Domenico Andreoli
2013-10-31 6:27 ` Domenico Andreoli
2013-11-01 5:11 ` Vineet Gupta
2013-11-01 5:11 ` Vineet Gupta
2013-11-01 5:26 ` Domenico Andreoli
2013-11-01 5:26 ` Domenico Andreoli
2013-10-31 6:27 ` [PATCH 05/11] ARM: vexpress: consolidate machine reset func Domenico Andreoli
2013-10-31 6:27 ` Domenico Andreoli
2013-10-31 6:27 ` [PATCH 06/11] ARM: vexpress: use the common machine reset handling Domenico Andreoli
2013-10-31 6:27 ` Domenico Andreoli
2013-10-31 6:27 ` [PATCH 07/11] ARM: bcm2835: " Domenico Andreoli
2013-10-31 6:27 ` Domenico Andreoli
2013-10-31 6:27 ` [PATCH 08/11] ARM: u300: " Domenico Andreoli
2013-10-31 6:27 ` Domenico Andreoli
2013-10-31 14:40 ` Linus Walleij
2013-10-31 14:40 ` Linus Walleij
2013-10-31 15:19 ` Domenico Andreoli
2013-10-31 15:19 ` Domenico Andreoli
2013-10-31 6:27 ` [PATCH 09/11] ARM: tps65910: " Domenico Andreoli
2013-10-31 6:27 ` Domenico Andreoli
2013-10-31 6:27 ` [PATCH 10/11] max8907: " Domenico Andreoli
2013-10-31 6:27 ` Domenico Andreoli
2013-10-31 6:27 ` [PATCH 11/11] ARM: sp805: " Domenico Andreoli
2013-10-31 6:27 ` Domenico Andreoli
2013-10-31 10:21 ` [PATCH 00/11] RFC: Common " Russell King - ARM Linux
2013-10-31 10:21 ` Russell King - ARM Linux
2013-10-31 21:49 ` Stephen Warren [this message]
2013-10-31 21:49 ` Stephen Warren
2013-11-01 5:16 ` Domenico Andreoli
2013-11-01 5:16 ` Domenico Andreoli
2013-11-01 15:58 ` Stephen Warren
2013-11-01 15:58 ` Stephen Warren
2013-11-01 16:12 ` Russell King - ARM Linux
2013-11-01 16:12 ` Russell King - ARM Linux
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