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Date: Tue, 31 May 2022 22:07:36 +0200
From: Arnd Bergmann <>
To: Huacai Chen <>
Cc:, WANG Xuerui <>, 
	Linus Torvalds <>, linux-arch <>, 
	GNU C Library <>, Yoshinori Sato <>, 
	Peter Zijlstra <>, Marc Zyngier <>, 
	Masahiro Yamada <>, 
	Linux Kernel Mailing List <>, Jiaxun Yang <>, 
	ACPI Devel Maling List <>, Jianmin Lv <>, 
	linux-pci <>, Ard Biesheuvel <>, 
	Huacai Chen <>
Subject: Re: Re: [GIT PULL] asm-generic changes for 5.19

On Tue, May 31, 2022 at 6:01 PM Huacai Chen <> wrote:
> On Tue, May 31, 2022 at 7:15 PM Arnd Bergmann <> wrote:
> > On Tue, May 31, 2022 at 10:17 AM Huacai Chen <> wrote:

> has been updated. Now this branch droped irqchip drivers and pci
> drivers. But the existing irqchip drivers need some small adjustment
> to avoid build errors [1], and I hope Marc can give an Acked-by.

Ok, glad you got that working.

 What about the ACPI changes? I see that these are needed to get a clean build,
and as I understood it, they are supposed to get merged through the
acpica tree.

> This branch can be built with defconfig and allmodconfig (except
> drivers/platform/surface/aggregator/controller.c, because it requires
> 8bit/16bit cmpxchg, which I was told to remove their support).

Right, that is ok to keep in there, we should fix that by adding a Kconfig
dependency for the driver. It looks like it has a CONFIG_ACPI dependency,
so it is currently limited to x86/arm64/ia64, which all have the short
but in reality this driver can only work on x86 and arm64.


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