linux-kernel - [PATCH v3 0/1] iommu/arm-smmu-v3: Simplify useless instructions in arm_smmu_cmdq_build

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Message-ID: <20211207094109.1962-1-thunder.leizhen@huawei.com>
Date:   Tue, 7 Dec 2021 17:41:08 +0800
From:   Zhen Lei <thunder.leizhen@...wei.com>
To:     Will Deacon <will@...nel.org>, Robin Murphy <robin.murphy@....com>,
        "Joerg Roedel" <joro@...tes.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <iommu@...ts.linux-foundation.org>, <linux-kernel@...r.kernel.org>
CC:     Zhen Lei <thunder.leizhen@...wei.com>
Subject: [PATCH v3 0/1] iommu/arm-smmu-v3: Simplify useless instructions in arm_smmu_cmdq_build_cmd()

v2 --> v3:
Discard 'register' modifier for local variable 'cmd'.

v1 --> v2:
1. Add patch 1, Properly handle the return value of arm_smmu_cmdq_build_cmd()
2. Remove arm_smmu_cmdq_copy_cmd(). In addition, when build command fails, out_cmd is not filled.

[v2] https://lists.linuxfoundation.org/pipermail/iommu/2021-October/059831.html


Zhen Lei (1):
  iommu/arm-smmu-v3: Simplify useless instructions in
    arm_smmu_cmdq_build_cmd()

 drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c | 11 ++++++++---
 1 file changed, 8 insertions(+), 3 deletions(-)

-- 
2.25.1