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ISO C99 and later do not support implicit function declarations Message-ID: <202408150626.4kndgpL3-lkp@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline X-Rspamd-Queue-Id: AC31640009 X-Rspam-User: X-Rspamd-Server: rspam05 X-Stat-Signature: 36k1qmp4f7nqujc4kbcc77nt4nxdharp X-HE-Tag: 1723673386-457226 X-HE-Meta: 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 gr+so3iq WBs40+n0jul0NvbbPUHWDgXCo4IPMRVvTyOhKX2ms2SiBvq2qb4ExwArlHbNC9c58DWSyPgktUX1x+TI/Hq/jDZq7r3BV0ldvG4GK68lAZ+/qayBh6QgO4hg+PJIMhI9AphSOcXSRfSFahs43HoYIC5XGZ7uAJETHO/SHyl7/uomYxaG5gKNNiKEvgq9vNHDfALrr6WPmsFQle6SnwvvuoFHwk1uWbsF6glveSBkSWhNAa9greAU1FIXhAPZ+9yt2iTwrc4KhFJQNvACxQlpdulgGnf0pdC4kAhIjmb2IgmElVlz/e8GXQxxFJb2Gxm+r+lNQXWbQtYYiRTu1j9rURtWAFoxlJFcQ6l89vGw/Z5Li5M4v+IReWdb95MxYbVZXchIaCUohUku6835/pw90SOdgzQCc8qptWbSO X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: 320eb81df4f6c1a1814fd02ebb4ba41eb80a3c7e commit: 2665d975db35f124d47e9584d448a3fb4d54f225 [4179/4667] iommu: Allow ATS to work on VFs when the PF uses IDENTITY config: arm64-randconfig-003-20240815 (https://download.01.org/0day-ci/archive/20240815/202408150626.4kndgpL3-lkp@intel.com/config) compiler: clang version 20.0.0git (https://github.com/llvm/llvm-project f86594788ce93b696675c94f54016d27a6c21d18) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240815/202408150626.4kndgpL3-lkp@intel.com/reproduce) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot | Closes: https://lore.kernel.org/oe-kbuild-all/202408150626.4kndgpL3-lkp@intel.com/ All errors (new ones prefixed by >>): In file included from drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c:15: In file included from include/linux/crash_dump.h:5: In file included from include/linux/kexec.h:18: In file included from include/linux/vmcore_info.h:6: In file included from include/linux/elfcore.h:11: In file included from include/linux/ptrace.h:10: In file included from include/linux/pid_namespace.h:7: In file included from include/linux/mm.h:2228: include/linux/vmstat.h:514:36: warning: arithmetic between different enumeration types ('enum node_stat_item' and 'enum lru_list') [-Wenum-enum-conversion] 514 | return node_stat_name(NR_LRU_BASE + lru) + 3; // skip "nr_" | ~~~~~~~~~~~ ^ ~~~ >> drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c:3301:3: error: call to undeclared function 'pci_prepare_ats'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 3301 | pci_prepare_ats(to_pci_dev(dev), stu); | ^ drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c:3301:3: note: did you mean 'pci_enable_ats'? include/linux/pci-ats.h:18:19: note: 'pci_enable_ats' declared here 18 | static inline int pci_enable_ats(struct pci_dev *d, int ps) | ^ 1 warning and 1 error generated. vim +/pci_prepare_ats +3301 drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c 3249 3250 static struct iommu_device *arm_smmu_probe_device(struct device *dev) 3251 { 3252 int ret; 3253 struct arm_smmu_device *smmu; 3254 struct arm_smmu_master *master; 3255 struct iommu_fwspec *fwspec = dev_iommu_fwspec_get(dev); 3256 3257 if (WARN_ON_ONCE(dev_iommu_priv_get(dev))) 3258 return ERR_PTR(-EBUSY); 3259 3260 smmu = arm_smmu_get_by_fwnode(fwspec->iommu_fwnode); 3261 if (!smmu) 3262 return ERR_PTR(-ENODEV); 3263 3264 master = kzalloc(sizeof(*master), GFP_KERNEL); 3265 if (!master) 3266 return ERR_PTR(-ENOMEM); 3267 3268 master->dev = dev; 3269 master->smmu = smmu; 3270 dev_iommu_priv_set(dev, master); 3271 3272 ret = arm_smmu_insert_master(smmu, master); 3273 if (ret) 3274 goto err_free_master; 3275 3276 device_property_read_u32(dev, "pasid-num-bits", &master->ssid_bits); 3277 master->ssid_bits = min(smmu->ssid_bits, master->ssid_bits); 3278 3279 /* 3280 * Note that PASID must be enabled before, and disabled after ATS: 3281 * PCI Express Base 4.0r1.0 - 10.5.1.3 ATS Control Register 3282 * 3283 * Behavior is undefined if this bit is Set and the value of the PASID 3284 * Enable, Execute Requested Enable, or Privileged Mode Requested bits 3285 * are changed. 3286 */ 3287 arm_smmu_enable_pasid(master); 3288 3289 if (!(smmu->features & ARM_SMMU_FEAT_2_LVL_CDTAB)) 3290 master->ssid_bits = min_t(u8, master->ssid_bits, 3291 CTXDESC_LINEAR_CDMAX); 3292 3293 if ((smmu->features & ARM_SMMU_FEAT_STALLS && 3294 device_property_read_bool(dev, "dma-can-stall")) || 3295 smmu->features & ARM_SMMU_FEAT_STALL_FORCE) 3296 master->stall_enabled = true; 3297 3298 if (dev_is_pci(dev)) { 3299 unsigned int stu = __ffs(smmu->pgsize_bitmap); 3300 > 3301 pci_prepare_ats(to_pci_dev(dev), stu); 3302 } 3303 3304 return &smmu->iommu; 3305 3306 err_free_master: 3307 kfree(master); 3308 return ERR_PTR(ret); 3309 } 3310 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki