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From: Wolfram Sang <wsa@the-dreams.de>
To: Guenter Roeck <linux@roeck-us.net>
Cc: Geert Uytterhoeven <geert@linux-m68k.org>,
	Mark Rutland <mark.rutland@arm.com>,
	Russell King <linux@arm.linux.org.uk>,
	Catalin Marinas <catalin.marinas@arm.com>,
	"linux-arm-kernel@lists.infradead.org" 
	<linux-arm-kernel@lists.infradead.org>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Subject: Re: [PATCH 3/6] ARM: PSCI: Register with kernel restart handler
Date: Thu, 14 Apr 2016 16:31:25 +0200	[thread overview]
Message-ID: <20160414143125.GB1539@katana> (raw)
In-Reply-To: <570F9942.30608@roeck-us.net>

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> "the higher, the more important" makes sense to me. We don't have to
> enforce the linux scheme, though that happens to be the same (the priority
> argument in the notifier block takes an int, so it would not even be
> necessary to adjust it unless someone specifies 0xffffffff).

I think we should enforce the scheme internally (but not in DT, of
course):

a) it is documented to be in the range 0-255
b) it should be valid to prioritize the watchdogs with 1,2,3 in DT.
   If we don't apply the '255 - pos_in_sorted_list' value, then the
   priority could be below some machine default of 128, or?

> I am fine either way - boolean properties or numbers, with a personal
> preference for numbers as more flexible.

Same here. Time to go to the DT list probably.


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WARNING: multiple messages have this Message-ID
From: wsa@the-dreams.de (Wolfram Sang)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 3/6] ARM: PSCI: Register with kernel restart handler
Date: Thu, 14 Apr 2016 16:31:25 +0200	[thread overview]
Message-ID: <20160414143125.GB1539@katana> (raw)
In-Reply-To: <570F9942.30608@roeck-us.net>


> "the higher, the more important" makes sense to me. We don't have to
> enforce the linux scheme, though that happens to be the same (the priority
> argument in the notifier block takes an int, so it would not even be
> necessary to adjust it unless someone specifies 0xffffffff).

I think we should enforce the scheme internally (but not in DT, of
course):

a) it is documented to be in the range 0-255
b) it should be valid to prioritize the watchdogs with 1,2,3 in DT.
   If we don't apply the '255 - pos_in_sorted_list' value, then the
   priority could be below some machine default of 128, or?

> I am fine either way - boolean properties or numbers, with a personal
> preference for numbers as more flexible.

Same here. Time to go to the DT list probably.

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  reply	other threads:[~2016-04-14 14:32 UTC|newest]

Thread overview: 51+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-04-08 12:53 [PATCH 0/6] ARM/ARM64: Drop arm_pm_restart Guenter Roeck
2016-04-08 12:53 ` Guenter Roeck
2016-04-08 12:53 ` [PATCH 1/6] ARM: prima2: Register with kernel restart handler Guenter Roeck
2016-04-08 12:53   ` Guenter Roeck
2016-04-08 12:53 ` [PATCH 2/6] ARM: xen: " Guenter Roeck
2016-04-08 12:53   ` Guenter Roeck
2016-04-08 12:53   ` Guenter Roeck
2016-04-08 15:22   ` Konrad Rzeszutek Wilk
2016-04-08 18:20     ` Guenter Roeck
2016-04-08 18:20     ` [Xen-devel] " Guenter Roeck
2016-04-08 18:20       ` Guenter Roeck
2016-04-09 23:46   ` Stefano Stabellini
2016-04-09 23:46     ` Stefano Stabellini
2016-04-09 23:56     ` Stefano Stabellini
2016-04-09 23:56       ` Stefano Stabellini
2016-04-09 23:56     ` Stefano Stabellini
2016-04-09 23:46   ` Stefano Stabellini
2016-04-08 12:53 ` [PATCH 3/6] ARM: PSCI: " Guenter Roeck
2016-04-08 12:53   ` Guenter Roeck
2016-04-12 15:36   ` Wolfram Sang
2016-04-12 15:36     ` Wolfram Sang
2016-04-13 11:05   ` Mark Rutland
2016-04-13 11:05     ` Mark Rutland
2016-04-13 11:24     ` Jisheng Zhang
2016-04-13 11:24       ` Jisheng Zhang
2016-04-13 13:10     ` Guenter Roeck
2016-04-13 13:10       ` Guenter Roeck
2016-04-13 13:22       ` Geert Uytterhoeven
2016-04-13 13:22         ` Geert Uytterhoeven
2016-04-14  0:42         ` Guenter Roeck
2016-04-14  0:42           ` Guenter Roeck
2016-04-14  8:52           ` Wolfram Sang
2016-04-14  8:52             ` Wolfram Sang
2016-04-14 13:21             ` Guenter Roeck
2016-04-14 13:21               ` Guenter Roeck
2016-04-14 14:31               ` Wolfram Sang [this message]
2016-04-14 14:31                 ` Wolfram Sang
2016-04-08 12:53 ` [PATCH 4/6] ARM: " Guenter Roeck
2016-04-08 12:53   ` Guenter Roeck
2016-04-08 12:53 ` [PATCH 5/6] ARM64: Remove arm_pm_restart Guenter Roeck
2016-04-08 12:53   ` Guenter Roeck
2016-04-12 13:10   ` Catalin Marinas
2016-04-12 13:10     ` Catalin Marinas
2016-04-08 12:53 ` [PATCH 6/6] ARM: " Guenter Roeck
2016-04-08 12:53   ` Guenter Roeck
2016-04-08 15:44 ` [PATCH 0/6] ARM/ARM64: Drop arm_pm_restart Wolfram Sang
2016-04-08 15:44   ` Wolfram Sang
2016-04-08 20:46 ` Arnd Bergmann
2016-04-08 20:46   ` Arnd Bergmann
2016-04-12 15:41 ` Wolfram Sang
2016-04-12 15:41   ` Wolfram Sang

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