On 2018/6/2 1:51, kbuild test robot wrote: > 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: It seems that it's better to change this to 'default'. > 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 > -- Thanks! BestRegards -- To unsubscribe from this list: send the line "unsubscribe linux-arm-msm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html