linux-kernel - Re: [PATCH] x86: call dmi-quirks for HP Laptops after early-quirks are executed

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Date:	Wed, 22 Oct 2008 14:55:04 +0200
From:	Ingo Molnar <mingo@...e.hu>
To:	Andreas Herrmann <andreas.herrmann3@....com>
Cc:	Thomas Gleixner <tglx@...utronix.de>, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] x86: call dmi-quirks for HP Laptops after early-quirks
	are executed


* Andreas Herrmann <andreas.herrmann3@....com> wrote:

> Problems with bogus IRQ0 override of those laptops should be fixed
> with commits
> 
> x86: SB600: skip IRQ0 override if it is not routed to INT2 of IOAPIC
> x86: SB450: skip IRQ0 override if it is not routed to INT2 of IOAPIC
> 
> that introduce early-quirks based on chipset configuration.
> 
> For further information, see
> http://bugzilla.kernel.org/show_bug.cgi?id=11516
> 
> Instead of removing the related dmi-quirks completely we'd like to
> keep them for (at least) one kernel version -- to double-check whether
> the early-quirks really took effect. But the dmi-quirks need to be
> called after early-quirks are executed. With this patch calling
> sequence for dmi-quirks is changed as follows:
> 
>  acpi_boot_table_init()   (dmi-quirks)
>  ...
>  early_quirks()           (detect bogus IRQ0 override)
>  ...
>  acpi_boot_init()         (late dmi-quirks and setup IO APIC)
> 
> Note: Plan is to remove the "late dmi-quirks" with next kernel version.
> 
> Cc: Ingo Molnar <mingo@...e.hu>
> Signed-off-by: Andreas Herrmann <andreas.herrmann3@....com>

applied to tip/x86/urgent, thanks Andreas!

	Ingo
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