Messages in this thread | | | Date | Wed, 29 Jun 2022 07:08:51 +0800 | From | kernel test robot <> | Subject | [ogabbay:gaudi2 60/61] drivers/misc/habanalabs/common/mmu/mmu.c:998:19: sparse: sparse: non size-preserving integer to pointer cast |
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tree: https://git.kernel.org/pub/scm/linux/kernel/git/ogabbay/linux.git gaudi2 head: f645d04ce63b73c46a8839a621e34a28f1b2a7ba commit: 374bb7eeacb91bc4e53fc429c17d1d55c0e1fc6b [60/61] habanalabs: add gaudi2 MMU support config: i386-randconfig-s002 (https://download.01.org/0day-ci/archive/20220629/202206290743.xHHvh1c5-lkp@intel.com/config) compiler: gcc-11 (Debian 11.3.0-3) 11.3.0 reproduce: # apt-get install sparse # sparse version: v0.6.4-31-g4880bd19-dirty # https://git.kernel.org/pub/scm/linux/kernel/git/ogabbay/linux.git/commit/?id=374bb7eeacb91bc4e53fc429c17d1d55c0e1fc6b git remote add ogabbay https://git.kernel.org/pub/scm/linux/kernel/git/ogabbay/linux.git git fetch --no-tags ogabbay gaudi2 git checkout 374bb7eeacb91bc4e53fc429c17d1d55c0e1fc6b # save the config file mkdir build_dir && cp config build_dir/.config make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=i386 SHELL=/bin/bash drivers/misc/
If you fix the issue, kindly add following tag where applicable Reported-by: kernel test robot <lkp@intel.com>
sparse warnings: (new ones prefixed by >>) >> drivers/misc/habanalabs/common/mmu/mmu.c:998:19: sparse: sparse: non size-preserving integer to pointer cast
vim +998 drivers/misc/habanalabs/common/mmu/mmu.c
980 981 /** 982 * hl_mmu_hr_write_pte() - write HR PTE 983 * @ctx: pointer to the context structure 984 * @pgt_info: HOP's page table info structure 985 * @phys_pte_addr: phys PTE address 986 * @val: raw PTE data 987 * @hop_table_size: HOP table size 988 */ 989 void hl_mmu_hr_write_pte(struct hl_ctx *ctx, struct pgt_info *pgt_info, u64 phys_pte_addr, 990 u64 val, u32 hop_table_size) 991 { 992 /* 993 * The value to write is the phys address of the next hop + 994 * flags at the 12 LSBs. 995 */ 996 u64 virt_addr = hl_mmu_hr_pte_phys_to_virt(ctx, pgt_info, phys_pte_addr, hop_table_size); 997 > 998 *((u64 *) virt_addr) = val; 999 } 1000
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