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Message-ID: <55D606E1.4040804@redhat.com>
Date: Thu, 20 Aug 2015 10:57:05 -0600
From: Al Stone <ahs3@...hat.com>
To: Will Deacon <will.deacon@....com>, Al Stone <al.stone@...aro.org>
Cc: "linux-acpi@...r.kernel.org" <linux-acpi@...r.kernel.org>,
"linux-arm-kernel@...ts.infradead.org"
<linux-arm-kernel@...ts.infradead.org>,
"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
"linux-ia64@...r.kernel.org" <linux-ia64@...r.kernel.org>,
"linux-pm@...r.kernel.org" <linux-pm@...r.kernel.org>,
"linaro-acpi@...ts.linaro.org" <linaro-acpi@...ts.linaro.org>,
"linaro-kernel@...ts.linaro.org" <linaro-kernel@...ts.linaro.org>,
"patches@...aro.org" <patches@...aro.org>,
Thomas Gleixner <tglx@...utronix.de>,
Jason Cooper <jason@...edaemon.net>
Subject: Re: [PATCH v2 2/5] ACPI / ARM64: remove usage of
BAD_MADT_ENTRY/BAD_MADT_GICC_ENTRY
On 08/20/2015 04:13 AM, Will Deacon wrote:
> Hi Al,
>
> On Wed, Aug 19, 2015 at 11:07:25PM +0100, Al Stone wrote:
>> Now that we have introduced the bad_madt_entry() function, and that
>> function is being invoked in acpi_table_parse_madt() for us, there
>> is no longer any need to use the BAD_MADT_ENTRY macro, or in the case
>> of arm64, the BAD_MADT_GICC_ENTRY, too.
>>
>> Signed-off-by: Al Stone <al.stone@...aro.org>
>> Acked-by: Catalin Marinas <catalin.marinas@....com>
>> Acked-by: Marc Zyngier <marc.zyngier@....com>
>> Cc: Will Deacon <will.deacon@....com>
>> Cc: Thomas Gleixner <tglx@...utronix.de>
>> Cc: Jason Cooper <jason@...edaemon.net>
>> ---
>> arch/arm64/include/asm/acpi.h | 8 --------
>> arch/arm64/kernel/smp.c | 2 --
>> drivers/irqchip/irq-gic.c | 6 ------
>> 3 files changed, 16 deletions(-)
>
> How are you planning to merge this (and which kernel are you targetting?)
> You've got Acks for both arm64 and irqchip, so I guess either of those
> trees could take it.
Yeah, this is a little messy. If I can get into 4.2, that would be nice,
but not required -- arm64 already has a usable patch for now, and that's
the only arch affected. So, 4.3 was my primary target (which is why I
worked with linux-next for these).
Which tree? Yeesh. 1/5 and 5/5 are ACPI only and required for the rest
to work properly; 2/5 is arm64, 3/5 is ia64, and 4/5 is x86. ARM folks are
the only ones to have provided acks or reviews, however. I guess I was
assuming this would have to go in via Rafael's ACPI tree since those are
the key parts -- the arch-specific patches would remove safety checks on
MADT subtables without replacing them, if they went in before the ACPI
patches.
Does that make sense? What do you think?
--
ciao,
al
-----------------------------------
Al Stone
Software Engineer
Red Hat, Inc.
ahs3@...hat.com
-----------------------------------
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