linux-kernel - Re: [PATCH] ACPICA: don't cond_resched() when irq_disabled or in

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Message-ID: <20091210181800.GM19454@elf.ucw.cz>
Date:	Thu, 10 Dec 2009 19:18:00 +0100
From:	Pavel Machek <pavel@....cz>
To:	Alexey Starikovskiy <aystarik@...il.com>
Cc:	Xiaotian Feng <dfeng@...hat.com>, lenb@...nel.org,
	ming.m.lin@...el.com, robert.moore@...el.com,
	linux-acpi@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] ACPICA: don't cond_resched() when irq_disabled or
 in_atomic

On Thu 2009-12-10 20:58:45, Alexey Starikovskiy wrote:
> Hi Pavel,
> 
> Please elaborate... Your comments "ugly as hell" are too often to be
> specific...
> There is only one use of ACPI_PREEMPTION_POINT(), and it is in the
> ACPICA code,
> which we all agreed to keep OS independent, thus the need for #define.
> Do you see any other way to add preemption point without introducing
> Linux-specific
> code into ACPICA?

I believe we want linux-specific code in acpica at this point.

(Or maybe... I guess other systems have concept of preemption and not
all actions are permitted from all contexts, so maybe something like
that would be important for them, too?)
								Pavel

-- 
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