linux-kernel - RE: ACPI: regression: Failed to initialize GIC IRQ controller

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Message-ID: <94F2FBAB4432B54E8AACC7DFDE6C92E37D30B2E9@ORSMSX112.amr.corp.intel.com>
Date:	Fri, 10 Jul 2015 14:45:32 +0000
From:	"Moore, Robert" <robert.moore@...el.com>
To:	Ming Lei <ming.lei@...onical.com>
CC:	"Zheng, Lv" <lv.zheng@...el.com>,
	"Wysocki, Rafael J" <rafael.j.wysocki@...el.com>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	linux-arm-kernel <linux-arm-kernel@...ts.infradead.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	Jason Cooper <jason@...edaemon.net>,
	Hanjun Guo <hanjun.guo@...aro.org>
Subject: RE: ACPI: regression: Failed to initialize GIC IRQ controller

It's nice that someone took a sizeof() on the struct -- so, one would hope that no code actually depended on a particular value, no?


> -----Original Message-----
> From: Ming Lei [mailto:ming.lei@...onical.com]
> Sent: Friday, July 10, 2015 7:43 AM
> To: Moore, Robert
> Cc: Zheng, Lv; Wysocki, Rafael J; Linux Kernel Mailing List; linux-arm-
> kernel; Thomas Gleixner; Jason Cooper; Hanjun Guo
> Subject: Re: ACPI: regression: Failed to initialize GIC IRQ controller
> 
> On Fri, Jul 10, 2015 at 10:28 PM, Moore, Robert <robert.moore@...el.com>
> wrote:
> >
> >
> >> -----Original Message-----
> >> From: Ming Lei [mailto:ming.lei@...onical.com]
> >> Sent: Friday, July 10, 2015 12:46 AM
> >> To: Moore, Robert; Zheng, Lv; Wysocki, Rafael J
> >> Cc: Linux Kernel Mailing List; linux-arm-kernel; Thomas Gleixner;
> >> Jason Cooper; Hanjun Guo
> >> Subject: ACPI: regression: Failed to initialize GIC IRQ controller
> >>
> >> Hi,
> >>
> >> Commit 0cff8dc0099f6d4f(ACPICA: ACPI 6.0: Add changes for MADT
> >> table.) causes the following failure on APM mustang board(arm64) when
> >> booting via UEFI and ACPI:
> >
> >
> > I would be interested to know just what exactly about this change broke
> things.
> 
> sizeof(struct acpi_madt_generic_interrupt)