From: Will Deacon <will@kernel.org>
To: linux-kernel@vger.kernel.org, Robin Murphy <robin.murphy@arm.com>,
Joerg Roedel <joro@8bytes.org>,
linux-arm-kernel <linux-arm-kernel@lists.infradead.org>,
Zhen Lei <thunder.leizhen@huawei.com>,
iommu <iommu@lists.linux-foundation.org>
Cc: catalin.marinas@arm.com, kernel-team@android.com,
Will Deacon <will@kernel.org>, John Garry <john.garry@huawei.com>
Subject: Re: [PATCH] iommu/arm-smmu-v3: Stop pre-zeroing batch commands in arm_smmu_atc_inv_master()
Date: Mon, 4 Oct 2021 13:05:35 +0100 [thread overview]
Message-ID: <163334645081.1581475.7922976720083700299.b4-ty@kernel.org> (raw)
In-Reply-To: <20210817113411.1962-1-thunder.leizhen@huawei.com>
On Tue, 17 Aug 2021 19:34:11 +0800, Zhen Lei wrote:
> Pre-zeroing the batched commands structure is inefficient, as individual
> commands are zeroed later in arm_smmu_cmdq_build_cmd(). Therefore, only
> the member 'num' needs to be initialized to 0.
>
>
Applied to will (for-joerg/arm-smmu/updates), thanks!
[1/1] iommu/arm-smmu-v3: Stop pre-zeroing batch commands in arm_smmu_atc_inv_master()
https://git.kernel.org/will/c/93f9f7958f12
Cheers,
--
Will
https://fixes.arm64.dev
https://next.arm64.dev
https://will.arm64.dev
prev parent reply other threads:[~2021-10-04 12:05 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-08-17 11:34 [PATCH] iommu/arm-smmu-v3: Stop pre-zeroing batch commands in arm_smmu_atc_inv_master() Zhen Lei
2021-08-17 11:53 ` John Garry
2021-10-04 12:05 ` Will Deacon [this message]
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