Hi Zhen, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on linus/master] [also build test WARNING on v4.17-rc7 next-20180601] [cannot apply to iommu/next] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system] url: https://github.com/0day-ci/linux/commits/Zhen-Lei/add-non-strict-mode-support-for-arm-smmu-v3/20180602-000418 config: x86_64-randconfig-x008-201821 (attached as .config) compiler: gcc-7 (Debian 7.3.0-16) 7.3.0 reproduce: # save the attached .config to linux build tree make ARCH=x86_64 All warnings (new ones prefixed by >>): drivers//iommu/amd_iommu.c: In function 'amd_iommu_capable': >> drivers//iommu/amd_iommu.c:3053:2: warning: enumeration value 'IOMMU_CAP_NON_STRICT' not handled in switch [-Wswitch] switch (cap) { ^~~~~~ vim +/IOMMU_CAP_NON_STRICT +3053 drivers//iommu/amd_iommu.c 645c4c8d arch/x86/kernel/amd_iommu.c Joerg Roedel 2008-12-02 3050 ab636481 drivers/iommu/amd_iommu.c Joerg Roedel 2014-09-05 3051 static bool amd_iommu_capable(enum iommu_cap cap) dbb9fd86 arch/x86/kernel/amd_iommu.c Sheng Yang 2009-03-18 3052 { 80a506b8 arch/x86/kernel/amd_iommu.c Joerg Roedel 2010-07-27 @3053 switch (cap) { 80a506b8 arch/x86/kernel/amd_iommu.c Joerg Roedel 2010-07-27 3054 case IOMMU_CAP_CACHE_COHERENCY: ab636481 drivers/iommu/amd_iommu.c Joerg Roedel 2014-09-05 3055 return true; bdddadcb drivers/iommu/amd_iommu.c Joerg Roedel 2012-07-02 3056 case IOMMU_CAP_INTR_REMAP: ab636481 drivers/iommu/amd_iommu.c Joerg Roedel 2014-09-05 3057 return (irq_remapping_enabled == 1); cfdeec22 drivers/iommu/amd_iommu.c Will Deacon 2014-10-27 3058 case IOMMU_CAP_NOEXEC: cfdeec22 drivers/iommu/amd_iommu.c Will Deacon 2014-10-27 3059 return false; 80a506b8 arch/x86/kernel/amd_iommu.c Joerg Roedel 2010-07-27 3060 } 80a506b8 arch/x86/kernel/amd_iommu.c Joerg Roedel 2010-07-27 3061 ab636481 drivers/iommu/amd_iommu.c Joerg Roedel 2014-09-05 3062 return false; dbb9fd86 arch/x86/kernel/amd_iommu.c Sheng Yang 2009-03-18 3063 } dbb9fd86 arch/x86/kernel/amd_iommu.c Sheng Yang 2009-03-18 3064 :::::: The code at line 3053 was first introduced by commit :::::: 80a506b8fdcfa868bb53eb740f928217d0966fc1 x86/amd-iommu: Export cache-coherency capability :::::: TO: Joerg Roedel <joerg.roedel@xxxxxxx> :::::: CC: Joerg Roedel <joerg.roedel@xxxxxxx> --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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