:::::: :::::: Manual check reason: "commit no functional change" ::::::
BCC: [email protected] CC: [email protected] CC: [email protected] CC: [email protected] TO: Mark Brown <[email protected]> tree: https://git.kernel.org/pub/scm/linux/kernel/git/broonie/misc.git arm64-sysreg-gen-4 head: 36985fd29b63e897332d6d831d3aa03ea8722f3c commit: e520c3303ffbf18b004d7cc16d60141def9bf675 [4/28] arm64/sysreg: Add _EL1 into ID_AA64MMFR0_EL1 definition names :::::: branch date: 14 hours ago :::::: commit date: 28 hours ago config: arm64-randconfig-r022-20220815 (https://download.01.org/0day-ci/archive/20220816/[email protected]/config) compiler: clang version 16.0.0 (https://github.com/llvm/llvm-project aed5e3bea138ce581d682158eb61c27b3cfdd6ec) 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 # https://git.kernel.org/pub/scm/linux/kernel/git/broonie/misc.git/commit/?id=e520c3303ffbf18b004d7cc16d60141def9bf675 git remote add broonie-misc https://git.kernel.org/pub/scm/linux/kernel/git/broonie/misc.git git fetch --no-tags broonie-misc arm64-sysreg-gen-4 git checkout e520c3303ffbf18b004d7cc16d60141def9bf675 # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=arm64 SHELL=/bin/bash drivers/iommu/arm/arm-smmu-v3/ If you fix the issue, kindly add following tag where applicable Reported-by: kernel test robot <[email protected]> All errors (new ones prefixed by >>): >> drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3-sva.c:153:50: error: use of >> undeclared identifier 'ID_AA64MMFR0_PARANGE_SHIFT' par = cpuid_feature_extract_unsigned_field(reg, ID_AA64MMFR0_PARANGE_SHIFT); ^ drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3-sva.c:428:50: error: use of undeclared identifier 'ID_AA64MMFR0_PARANGE_SHIFT' fld = cpuid_feature_extract_unsigned_field(reg, ID_AA64MMFR0_PARANGE_SHIFT); ^ >> drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3-sva.c:434:50: error: use of >> undeclared identifier 'ID_AA64MMFR0_ASID_SHIFT' fld = cpuid_feature_extract_unsigned_field(reg, ID_AA64MMFR0_ASID_SHIFT); ^ 3 errors generated. vim +/ID_AA64MMFR0_PARANGE_SHIFT +153 drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3-sva.c 3f1ce8e85ee06d Jean-Philippe Brucker 2020-09-18 91 3f1ce8e85ee06d Jean-Philippe Brucker 2020-09-18 92 static struct arm_smmu_ctx_desc *arm_smmu_alloc_shared_cd(struct mm_struct *mm) 3f1ce8e85ee06d Jean-Philippe Brucker 2020-09-18 93 { 3f1ce8e85ee06d Jean-Philippe Brucker 2020-09-18 94 u16 asid; 3f1ce8e85ee06d Jean-Philippe Brucker 2020-09-18 95 int err = 0; 3f1ce8e85ee06d Jean-Philippe Brucker 2020-09-18 96 u64 tcr, par, reg; 3f1ce8e85ee06d Jean-Philippe Brucker 2020-09-18 97 struct arm_smmu_ctx_desc *cd; 3f1ce8e85ee06d Jean-Philippe Brucker 2020-09-18 98 struct arm_smmu_ctx_desc *ret = NULL; 3f1ce8e85ee06d Jean-Philippe Brucker 2020-09-18 99 cbd23144f7662b Jean-Philippe Brucker 2022-04-26 100 /* Don't free the mm until we release the ASID */ cbd23144f7662b Jean-Philippe Brucker 2022-04-26 101 mmgrab(mm); cbd23144f7662b Jean-Philippe Brucker 2022-04-26 102 3f1ce8e85ee06d Jean-Philippe Brucker 2020-09-18 103 asid = arm64_mm_context_get(mm); cbd23144f7662b Jean-Philippe Brucker 2022-04-26 104 if (!asid) { cbd23144f7662b Jean-Philippe Brucker 2022-04-26 105 err = -ESRCH; cbd23144f7662b Jean-Philippe Brucker 2022-04-26 106 goto out_drop_mm; cbd23144f7662b Jean-Philippe Brucker 2022-04-26 107 } 3f1ce8e85ee06d Jean-Philippe Brucker 2020-09-18 108 3f1ce8e85ee06d Jean-Philippe Brucker 2020-09-18 109 cd = kzalloc(sizeof(*cd), GFP_KERNEL); 3f1ce8e85ee06d Jean-Philippe Brucker 2020-09-18 110 if (!cd) { 3f1ce8e85ee06d Jean-Philippe Brucker 2020-09-18 111 err = -ENOMEM; 3f1ce8e85ee06d Jean-Philippe Brucker 2020-09-18 112 goto out_put_context; 3f1ce8e85ee06d Jean-Philippe Brucker 2020-09-18 113 } 3f1ce8e85ee06d Jean-Philippe Brucker 2020-09-18 114 3f1ce8e85ee06d Jean-Philippe Brucker 2020-09-18 115 refcount_set(&cd->refs, 1); 3f1ce8e85ee06d Jean-Philippe Brucker 2020-09-18 116 3f1ce8e85ee06d Jean-Philippe Brucker 2020-09-18 117 mutex_lock(&arm_smmu_asid_lock); 3f1ce8e85ee06d Jean-Philippe Brucker 2020-09-18 118 ret = arm_smmu_share_asid(mm, asid); 3f1ce8e85ee06d Jean-Philippe Brucker 2020-09-18 119 if (ret) { 3f1ce8e85ee06d Jean-Philippe Brucker 2020-09-18 120 mutex_unlock(&arm_smmu_asid_lock); 3f1ce8e85ee06d Jean-Philippe Brucker 2020-09-18 121 goto out_free_cd; 3f1ce8e85ee06d Jean-Philippe Brucker 2020-09-18 122 } 3f1ce8e85ee06d Jean-Philippe Brucker 2020-09-18 123 3f1ce8e85ee06d Jean-Philippe Brucker 2020-09-18 124 err = xa_insert(&arm_smmu_asid_xa, asid, cd, GFP_KERNEL); 3f1ce8e85ee06d Jean-Philippe Brucker 2020-09-18 125 mutex_unlock(&arm_smmu_asid_lock); 3f1ce8e85ee06d Jean-Philippe Brucker 2020-09-18 126 3f1ce8e85ee06d Jean-Philippe Brucker 2020-09-18 127 if (err) 3f1ce8e85ee06d Jean-Philippe Brucker 2020-09-18 128 goto out_free_asid; 3f1ce8e85ee06d Jean-Philippe Brucker 2020-09-18 129 3f1ce8e85ee06d Jean-Philippe Brucker 2020-09-18 130 tcr = FIELD_PREP(CTXDESC_CD_0_TCR_T0SZ, 64ULL - vabits_actual) | 3f1ce8e85ee06d Jean-Philippe Brucker 2020-09-18 131 FIELD_PREP(CTXDESC_CD_0_TCR_IRGN0, ARM_LPAE_TCR_RGN_WBWA) | 3f1ce8e85ee06d Jean-Philippe Brucker 2020-09-18 132 FIELD_PREP(CTXDESC_CD_0_TCR_ORGN0, ARM_LPAE_TCR_RGN_WBWA) | 3f1ce8e85ee06d Jean-Philippe Brucker 2020-09-18 133 FIELD_PREP(CTXDESC_CD_0_TCR_SH0, ARM_LPAE_TCR_SH_IS) | 3f1ce8e85ee06d Jean-Philippe Brucker 2020-09-18 134 CTXDESC_CD_0_TCR_EPD1 | CTXDESC_CD_0_AA64; 3f1ce8e85ee06d Jean-Philippe Brucker 2020-09-18 135 3f1ce8e85ee06d Jean-Philippe Brucker 2020-09-18 136 switch (PAGE_SIZE) { 3f1ce8e85ee06d Jean-Philippe Brucker 2020-09-18 137 case SZ_4K: 3f1ce8e85ee06d Jean-Philippe Brucker 2020-09-18 138 tcr |= FIELD_PREP(CTXDESC_CD_0_TCR_TG0, ARM_LPAE_TCR_TG0_4K); 3f1ce8e85ee06d Jean-Philippe Brucker 2020-09-18 139 break; 3f1ce8e85ee06d Jean-Philippe Brucker 2020-09-18 140 case SZ_16K: 3f1ce8e85ee06d Jean-Philippe Brucker 2020-09-18 141 tcr |= FIELD_PREP(CTXDESC_CD_0_TCR_TG0, ARM_LPAE_TCR_TG0_16K); 3f1ce8e85ee06d Jean-Philippe Brucker 2020-09-18 142 break; 3f1ce8e85ee06d Jean-Philippe Brucker 2020-09-18 143 case SZ_64K: 3f1ce8e85ee06d Jean-Philippe Brucker 2020-09-18 144 tcr |= FIELD_PREP(CTXDESC_CD_0_TCR_TG0, ARM_LPAE_TCR_TG0_64K); 3f1ce8e85ee06d Jean-Philippe Brucker 2020-09-18 145 break; 3f1ce8e85ee06d Jean-Philippe Brucker 2020-09-18 146 default: 3f1ce8e85ee06d Jean-Philippe Brucker 2020-09-18 147 WARN_ON(1); 3f1ce8e85ee06d Jean-Philippe Brucker 2020-09-18 148 err = -EINVAL; 3f1ce8e85ee06d Jean-Philippe Brucker 2020-09-18 149 goto out_free_asid; 3f1ce8e85ee06d Jean-Philippe Brucker 2020-09-18 150 } 3f1ce8e85ee06d Jean-Philippe Brucker 2020-09-18 151 3f1ce8e85ee06d Jean-Philippe Brucker 2020-09-18 152 reg = read_sanitised_ftr_reg(SYS_ID_AA64MMFR0_EL1); 3f1ce8e85ee06d Jean-Philippe Brucker 2020-09-18 @153 par = cpuid_feature_extract_unsigned_field(reg, ID_AA64MMFR0_PARANGE_SHIFT); 3f1ce8e85ee06d Jean-Philippe Brucker 2020-09-18 154 tcr |= FIELD_PREP(CTXDESC_CD_0_TCR_IPS, par); 3f1ce8e85ee06d Jean-Philippe Brucker 2020-09-18 155 3f1ce8e85ee06d Jean-Philippe Brucker 2020-09-18 156 cd->ttbr = virt_to_phys(mm->pgd); 3f1ce8e85ee06d Jean-Philippe Brucker 2020-09-18 157 cd->tcr = tcr; 3f1ce8e85ee06d Jean-Philippe Brucker 2020-09-18 158 /* 3f1ce8e85ee06d Jean-Philippe Brucker 2020-09-18 159 * MAIR value is pretty much constant and global, so we can just get it 3f1ce8e85ee06d Jean-Philippe Brucker 2020-09-18 160 * from the current CPU register 3f1ce8e85ee06d Jean-Philippe Brucker 2020-09-18 161 */ 3f1ce8e85ee06d Jean-Philippe Brucker 2020-09-18 162 cd->mair = read_sysreg(mair_el1); 3f1ce8e85ee06d Jean-Philippe Brucker 2020-09-18 163 cd->asid = asid; 3f1ce8e85ee06d Jean-Philippe Brucker 2020-09-18 164 cd->mm = mm; 3f1ce8e85ee06d Jean-Philippe Brucker 2020-09-18 165 3f1ce8e85ee06d Jean-Philippe Brucker 2020-09-18 166 return cd; 3f1ce8e85ee06d Jean-Philippe Brucker 2020-09-18 167 3f1ce8e85ee06d Jean-Philippe Brucker 2020-09-18 168 out_free_asid: 3f1ce8e85ee06d Jean-Philippe Brucker 2020-09-18 169 arm_smmu_free_asid(cd); 3f1ce8e85ee06d Jean-Philippe Brucker 2020-09-18 170 out_free_cd: 3f1ce8e85ee06d Jean-Philippe Brucker 2020-09-18 171 kfree(cd); 3f1ce8e85ee06d Jean-Philippe Brucker 2020-09-18 172 out_put_context: 3f1ce8e85ee06d Jean-Philippe Brucker 2020-09-18 173 arm64_mm_context_put(mm); cbd23144f7662b Jean-Philippe Brucker 2022-04-26 174 out_drop_mm: cbd23144f7662b Jean-Philippe Brucker 2022-04-26 175 mmdrop(mm); 3f1ce8e85ee06d Jean-Philippe Brucker 2020-09-18 176 return err < 0 ? ERR_PTR(err) : ret; 3f1ce8e85ee06d Jean-Philippe Brucker 2020-09-18 177 } 3f1ce8e85ee06d Jean-Philippe Brucker 2020-09-18 178 :::::: The code at line 153 was first introduced by commit :::::: 3f1ce8e85ee06dbe6a8b2e037e9b35f6b32e9ab3 iommu/arm-smmu-v3: Share process page tables :::::: TO: Jean-Philippe Brucker <[email protected]> :::::: CC: Will Deacon <[email protected]> -- 0-DAY CI Kernel Test Service https://01.org/lkp _______________________________________________ kbuild mailing list -- [email protected] To unsubscribe send an email to [email protected]
