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Date: Fri, 13 Mar 2026 19:35:39 +0000
From: Catalin Marinas <catalin.marinas@arm.com>
To: Barry Song <21cnbao@gmail.com>
Cc: m.szyprowski@samsung.com, robin.murphy@arm.com, will@kernel.org,
	iommu@lists.linux.dev, linux-arm-kernel@lists.infradead.org,
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	Tangquan Zheng <zhengtangquan@oppo.com>,
	Xueyuan Chen <xueyuan.chen21@gmail.com>
Subject: Re: [PATCH v3 3/5] arm64: Provide dcache_inval_poc_nosync helper
Message-ID: <abRnC8dlwyAdJc2Q@arm.com>
References: <20260228221125.59863-1-21cnbao@gmail.com>
 <20260228221258.59918-1-21cnbao@gmail.com>
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In-Reply-To: <20260228221258.59918-1-21cnbao@gmail.com>

On Sun, Mar 01, 2026 at 06:12:58AM +0800, Barry Song wrote:
> From: Barry Song <baohua@kernel.org>
> 
> dcache_inval_poc_nosync does not wait for the data cache invalidation to
> complete. Later, we defer the synchronization so we can wait for all SG
> entries together.
> 
> Cc: Leon Romanovsky <leon@kernel.org>
> Cc: Catalin Marinas <catalin.marinas@arm.com>
> Cc: Will Deacon <will@kernel.org>
> Cc: Marek Szyprowski <m.szyprowski@samsung.com>
> Cc: Robin Murphy <robin.murphy@arm.com>
> Cc: Ada Couprie Diaz <ada.coupriediaz@arm.com>
> Cc: Ard Biesheuvel <ardb@kernel.org>
> Cc: Marc Zyngier <maz@kernel.org>
> Cc: Anshuman Khandual <anshuman.khandual@arm.com>
> Cc: Ryan Roberts <ryan.roberts@arm.com>
> Cc: Suren Baghdasaryan <surenb@google.com>
> Cc: Tangquan Zheng <zhengtangquan@oppo.com>
> Tested-by: Xueyuan Chen <xueyuan.chen21@gmail.com>
> Signed-off-by: Barry Song <baohua@kernel.org>

Reviewed-by: Catalin Marinas <catalin.marinas@arm.com>