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Date: Tue, 15 Sep 2026 15:49:15 -0700
From: Oliver Upton <oupton@kernel.org>
To: Wei-Lin Chang <weilin.chang@arm.com>
Cc: linux-arm-kernel@lists.infradead.org, kvmarm@lists.linux.dev,
	linux-kernel@vger.kernel.org, Marc Zyngier <maz@kernel.org>,
	Fuad Tabba <fuad.tabba@linux.dev>, Joey Gouly <joey.gouly@arm.com>,
	Steffen Eiden <seiden@linux.ibm.com>,
	Suzuki K Poulose <suzuki.poulose@arm.com>,
	Zenghui Yu <yuzenghui@huawei.com>,
	Catalin Marinas <catalin.marinas@arm.com>,
	Will Deacon <will@kernel.org>, Mark Rutland <mark.rutland@arm.com>,
	Itaru Kitayama <itaru.kitayama@fujitsu.com>,
	Wang Han <wanghan@linux.alibaba.com>,
	Shuai Xue <xueshuai@linux.alibaba.com>,
	"Lorenzo Stoakes (ARM)" <ljs@kernel.org>
Subject: Re: [PATCH v6 0/7] KVM: arm64: nv: Implement nested stage-2 reverse
 map
Message-ID: <aqnLa0_QSGlIs2qn@kernel.org>
References: <20260915154305.3852871-1-weilin.chang@arm.com>
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In-Reply-To: <20260915154305.3852871-1-weilin.chang@arm.com>

On Tue, Sep 15, 2026 at 04:42:58PM +0100, Wei-Lin Chang wrote:
> Hi,
> 
> This is v6 of optimizing the shadow s2 mmu unmapping during MMU
> notifiers.
> 
> This version fixes a few issues, and adds Marc's space optimization
> for kvm_guest_s2_mapping [1]. Please see the changelog for the details.
> 
> Tested by booting L3, and running in-kernel targetted tests described
> in [2]. v5 got some tested-by's from Itaru and Wang (thanks), I didn't
> carry them over since some bugs fixed in v6 are non-obvious. Some
> retest would be much appreciated!
> 
> Series based on v7.3-rc3 + Marc's nested mmu lifecycle fixes [3].

Looking pretty good to me, thanks Wei-Lin!

Reviewed-by: Oliver Upton <oupton@kernel.org>

Thanks,
Oliver