linux-kernel - Re: linux-next: build failure after merge of the kvm-arm tree

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Message-ID: <aNLEem8ryBiqKfDr@willie-the-truck>
Date: Tue, 23 Sep 2025 17:02:02 +0100
From: Will Deacon <will@...nel.org>
To: Mark Brown <broonie@...nel.org>
Cc: Christoffer Dall <cdall@...columbia.edu>, Marc Zyngier <maz@...nel.org>,
	Catalin Marinas <catalin.marinas@....com>,
	Anshuman Khandual <anshuman.khandual@....com>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Linux Next Mailing List <linux-next@...r.kernel.org>
Subject: Re: linux-next: build failure after merge of the kvm-arm tree

On Tue, Sep 23, 2025 at 05:28:05PM +0200, Mark Brown wrote:
> After merging the kvm-arm tree, today's linux-next build (arm64
> defconfig) failed like this:
> 
> In file included from <command-line>:
> /tmp/next/build/arch/arm64/kvm/at.c: In function 'setup_s1_walk':
> /tmp/next/build/arch/arm64/kvm/at.c:229:30: error: 'TCR_SH1_MASK' undeclared (first use in this function); did you mean 'TCR_SH0_MASK'?
>   229 |                    FIELD_GET(TCR_SH1_MASK, tcr) :
>       |                              ^~~~~~~~~~~~

[...]

> Caused by commit
> 
>    4f91624778b27 ("arm64/sysreg: Replace TCR_EL1 field macros")
> 
> from the arm64 tree.  I have reverted that commit.

Thanks, I'll drop it from arm64 as well.

Will