From: kernel test robot <lkp@intel.com>
To: Bjorn Andersson <bjorn.andersson@linaro.org>,
Will Deacon <will@kernel.org>,
Robin Murphy <robin.murphy@arm.com>,
Joerg Roedel <joro@8bytes.org>,
Thierry Reding <thierry.reding@gmail.com>,
Laurentiu Tudor <laurentiu.tudor@nxp.com>
Cc: kbuild-all@lists.01.org, Jonathan Marek <jonathan@marek.ca>,
linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org,
clang-built-linux@googlegroups.com,
iommu@lists.linux-foundation.org,
linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH 1/5] iommu/arm-smmu: Make all valid stream mappings BYPASS
Date: Thu, 16 Jul 2020 07:20:36 +0800 [thread overview]
Message-ID: <202007160705.AGogN8vd%lkp@intel.com> (raw)
In-Reply-To: <20200709050145.3520931-2-bjorn.andersson@linaro.org>
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Hi Bjorn,
I love your patch! Perhaps something to improve:
[auto build test WARNING on iommu/next]
[also build test WARNING on arm-perf/for-next/perf v5.8-rc5 next-20200715]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch]
url: https://github.com/0day-ci/linux/commits/Bjorn-Andersson/iommu-arm-smmu-Support-maintaining-bootloader-mappings/20200709-130417
base: https://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu.git next
config: arm64-randconfig-r022-20200715 (attached as .config)
compiler: clang version 11.0.0 (https://github.com/llvm/llvm-project 02946de3802d3bc65bc9f2eb9b8d4969b5a7add8)
reproduce (this is a W=1 build):
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# install arm64 cross compiling tool for clang build
# apt-get install binutils-aarch64-linux-gnu
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=arm64
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>
All warnings (new ones prefixed by >>):
>> drivers/iommu/arm-smmu.c:1927:5: warning: no previous prototype for function 'arm_smmu_setup_identity' [-Wmissing-prototypes]
int arm_smmu_setup_identity(struct arm_smmu_device *smmu)
^
drivers/iommu/arm-smmu.c:1927:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
int arm_smmu_setup_identity(struct arm_smmu_device *smmu)
^
static
1 warning generated.
vim +/arm_smmu_setup_identity +1927 drivers/iommu/arm-smmu.c
1926
> 1927 int arm_smmu_setup_identity(struct arm_smmu_device *smmu)
1928 {
1929 int i;
1930
1931 for (i = 0; i < smmu->num_mapping_groups; i++) {
1932 if (smmu->smrs[i].valid) {
1933 smmu->s2crs[i].type = S2CR_TYPE_BYPASS;
1934 smmu->s2crs[i].privcfg = S2CR_PRIVCFG_DEFAULT;
1935 smmu->s2crs[i].cbndx = 0xff;
1936 smmu->s2crs[i].count++;
1937 }
1938 }
1939
1940 return 0;
1941 }
1942
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
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https://lists.linuxfoundation.org/mailman/listinfo/iommu
next prev parent reply other threads:[~2020-07-15 23:21 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-07-09 5:01 [PATCH 0/5] iommu/arm-smmu: Support maintaining bootloader mappings Bjorn Andersson
2020-07-09 5:01 ` [PATCH 1/5] iommu/arm-smmu: Make all valid stream mappings BYPASS Bjorn Andersson
2020-07-13 21:25 ` kernel test robot
2020-07-13 21:25 ` [RFC PATCH] iommu/arm-smmu: arm_smmu_setup_identity() can be static kernel test robot
2020-07-15 23:20 ` kernel test robot [this message]
2020-07-09 5:01 ` [PATCH 2/5] iommu/arm-smmu: Emulate bypass by using context banks Bjorn Andersson
2020-07-09 16:17 ` Rob Clark
2020-07-09 16:48 ` Bjorn Andersson
2020-07-09 16:56 ` Rob Clark
2020-07-09 18:55 ` Rob Clark
2020-07-09 19:40 ` Bjorn Andersson
2020-07-09 5:01 ` [PATCH 3/5] iommu/arm-smmu: Move SMR and S2CR definitions to header file Bjorn Andersson
2020-07-09 5:01 ` [PATCH 4/5] iommu/arm-smmu-qcom: Consstently initialize stream mappings Bjorn Andersson
2020-07-09 7:32 ` Vinod Koul
2020-07-09 5:01 ` [PATCH 5/5] iommu/arm-smmu: Setup identity domain for boot mappings Bjorn Andersson
2020-07-09 15:50 ` Laurentiu Tudor
2020-07-09 19:57 ` Bjorn Andersson
2020-07-28 15:27 ` Laurentiu Tudor
2020-07-09 7:33 ` [PATCH 0/5] iommu/arm-smmu: Support maintaining bootloader mappings Vinod Koul
2020-07-10 5:25 ` John Stultz
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