tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 8882572675c1bb1cc544f4e229a11661f1fc52e4 commit: 670d0a4b10704667765f7d18f7592993d02783aa sparse: use identifiers to define address spaces date: 4 weeks ago config: powerpc64-randconfig-s031-20200717 (attached as .config) compiler: powerpc64-linux-gcc (GCC) 9.3.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # apt-get install sparse # sparse version: v0.6.2-49-g707c5017-dirty git checkout 670d0a4b10704667765f7d18f7592993d02783aa # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' ARCH=powerpc64
If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <[email protected]> sparse warnings: (new ones prefixed by >>) drivers/misc/cxl/flash.c:95:9: sparse: sparse: cast to restricted __be32 drivers/misc/cxl/flash.c:243:33: sparse: sparse: incorrect type in assignment (different base types) @@ expected unsigned short [usertype] version @@ got restricted __be16 [usertype] @@ drivers/misc/cxl/flash.c:243:33: sparse: expected unsigned short [usertype] version drivers/misc/cxl/flash.c:243:33: sparse: got restricted __be16 [usertype] drivers/misc/cxl/flash.c:244:32: sparse: sparse: incorrect type in assignment (different base types) @@ expected unsigned short [usertype] vendor @@ got restricted __be16 [usertype] @@ drivers/misc/cxl/flash.c:244:32: sparse: expected unsigned short [usertype] vendor drivers/misc/cxl/flash.c:244:32: sparse: got restricted __be16 [usertype] drivers/misc/cxl/flash.c:245:32: sparse: sparse: incorrect type in assignment (different base types) @@ expected unsigned short [usertype] device @@ got restricted __be16 [usertype] @@ drivers/misc/cxl/flash.c:245:32: sparse: expected unsigned short [usertype] device drivers/misc/cxl/flash.c:245:32: sparse: got restricted __be16 [usertype] drivers/misc/cxl/flash.c:246:42: sparse: sparse: incorrect type in assignment (different base types) @@ expected unsigned short [usertype] subsystem_vendor @@ got restricted __be16 [usertype] @@ drivers/misc/cxl/flash.c:246:42: sparse: expected unsigned short [usertype] subsystem_vendor drivers/misc/cxl/flash.c:246:42: sparse: got restricted __be16 [usertype] drivers/misc/cxl/flash.c:247:35: sparse: sparse: incorrect type in assignment (different base types) @@ expected unsigned short [usertype] subsystem @@ got restricted __be16 [usertype] @@ drivers/misc/cxl/flash.c:247:35: sparse: expected unsigned short [usertype] subsystem drivers/misc/cxl/flash.c:247:35: sparse: got restricted __be16 [usertype] drivers/misc/cxl/flash.c:248:38: sparse: sparse: incorrect type in assignment (different base types) @@ expected unsigned long long [usertype] image_offset @@ got restricted __be64 [usertype] @@ drivers/misc/cxl/flash.c:248:38: sparse: expected unsigned long long [usertype] image_offset drivers/misc/cxl/flash.c:248:38: sparse: got restricted __be64 [usertype] drivers/misc/cxl/flash.c:249:38: sparse: sparse: incorrect type in assignment (different base types) @@ expected unsigned long long [usertype] image_length @@ got restricted __be64 [usertype] @@ drivers/misc/cxl/flash.c:249:38: sparse: expected unsigned long long [usertype] image_length drivers/misc/cxl/flash.c:249:38: sparse: got restricted __be64 [usertype] >> drivers/misc/cxl/flash.c:294:42: sparse: sparse: incorrect type in argument >> 2 (different address spaces) @@ expected void const [noderef] __user >> *from @@ got void *[assigned] from @@ >> drivers/misc/cxl/flash.c:294:42: sparse: expected void const [noderef] >> __user *from drivers/misc/cxl/flash.c:294:42: sparse: got void *[assigned] from drivers/misc/cxl/flash.c:298:33: sparse: sparse: incorrect type in assignment (different base types) @@ expected unsigned long long [usertype] phys_addr @@ got restricted __be64 [usertype] @@ drivers/misc/cxl/flash.c:298:33: sparse: expected unsigned long long [usertype] phys_addr drivers/misc/cxl/flash.c:298:33: sparse: got restricted __be64 [usertype] drivers/misc/cxl/flash.c:299:27: sparse: sparse: incorrect type in assignment (different base types) @@ expected unsigned long long [usertype] len @@ got restricted __be64 [usertype] @@ drivers/misc/cxl/flash.c:299:27: sparse: expected unsigned long long [usertype] len drivers/misc/cxl/flash.c:299:27: sparse: got restricted __be64 [usertype] drivers/misc/cxl/flash.c:301:35: sparse: sparse: incorrect type in assignment (different base types) @@ expected unsigned long long [usertype] len @@ got restricted __be64 [usertype] @@ drivers/misc/cxl/flash.c:301:35: sparse: expected unsigned long long [usertype] len drivers/misc/cxl/flash.c:301:35: sparse: got restricted __be64 [usertype] -- drivers/misc/cxl/guest.c:104:33: sparse: sparse: incorrect type in assignment (different base types) @@ expected unsigned long long [usertype] phys_addr @@ got restricted __be64 [usertype] @@ drivers/misc/cxl/guest.c:104:33: sparse: expected unsigned long long [usertype] phys_addr drivers/misc/cxl/guest.c:104:33: sparse: got restricted __be64 [usertype] drivers/misc/cxl/guest.c:105:27: sparse: sparse: incorrect type in assignment (different base types) @@ expected unsigned long long [usertype] len @@ got restricted __be64 [usertype] @@ drivers/misc/cxl/guest.c:105:27: sparse: expected unsigned long long [usertype] len drivers/misc/cxl/guest.c:105:27: sparse: got restricted __be64 [usertype] drivers/misc/cxl/guest.c:107:35: sparse: sparse: incorrect type in assignment (different base types) @@ expected unsigned long long [usertype] len @@ got restricted __be64 [usertype] @@ drivers/misc/cxl/guest.c:107:35: sparse: expected unsigned long long [usertype] len drivers/misc/cxl/guest.c:107:35: sparse: got restricted __be64 [usertype] >> drivers/misc/cxl/guest.c:439:33: sparse: sparse: incorrect type in argument >> 1 (different address spaces) @@ expected unsigned short const volatile >> [noderef] [usertype] __iomem *addr @@ got unsigned short [usertype] * @@ >> drivers/misc/cxl/guest.c:439:33: sparse: expected unsigned short const >> volatile [noderef] [usertype] __iomem *addr drivers/misc/cxl/guest.c:439:33: sparse: got unsigned short [usertype] * >> drivers/misc/cxl/guest.c:442:33: sparse: sparse: incorrect type in argument >> 1 (different address spaces) @@ expected unsigned int const volatile >> [noderef] [usertype] __iomem *addr @@ got unsigned int * @@ >> drivers/misc/cxl/guest.c:442:33: sparse: expected unsigned int const >> volatile [noderef] [usertype] __iomem *addr drivers/misc/cxl/guest.c:442:33: sparse: got unsigned int * >> drivers/misc/cxl/guest.c:445:33: sparse: sparse: incorrect type in argument >> 1 (different address spaces) @@ expected unsigned long long const >> volatile [noderef] [usertype] __iomem *addr @@ got unsigned long long >> [usertype] * @@ >> drivers/misc/cxl/guest.c:445:33: sparse: expected unsigned long long >> const volatile [noderef] [usertype] __iomem *addr drivers/misc/cxl/guest.c:445:33: sparse: got unsigned long long [usertype] * drivers/misc/cxl/guest.c:533:23: sparse: sparse: invalid assignment: |= drivers/misc/cxl/guest.c:533:23: sparse: left side has type restricted __be64 drivers/misc/cxl/guest.c:533:23: sparse: right side has type unsigned long long drivers/misc/cxl/guest.c:534:23: sparse: sparse: invalid assignment: |= drivers/misc/cxl/guest.c:534:23: sparse: left side has type restricted __be64 drivers/misc/cxl/guest.c:534:23: sparse: right side has type unsigned long long drivers/misc/cxl/guest.c:536:31: sparse: sparse: invalid assignment: |= drivers/misc/cxl/guest.c:536:31: sparse: left side has type restricted __be64 drivers/misc/cxl/guest.c:536:31: sparse: right side has type unsigned long long drivers/misc/cxl/guest.c:539:23: sparse: sparse: invalid assignment: |= drivers/misc/cxl/guest.c:539:23: sparse: left side has type restricted __be64 drivers/misc/cxl/guest.c:539:23: sparse: right side has type unsigned long long drivers/misc/cxl/guest.c:540:23: sparse: sparse: invalid assignment: |= drivers/misc/cxl/guest.c:540:23: sparse: left side has type restricted __be64 drivers/misc/cxl/guest.c:540:23: sparse: right side has type unsigned long long drivers/misc/cxl/guest.c:542:31: sparse: sparse: invalid assignment: |= drivers/misc/cxl/guest.c:542:31: sparse: left side has type restricted __be64 drivers/misc/cxl/guest.c:542:31: sparse: right side has type unsigned long long drivers/misc/cxl/guest.c:545:31: sparse: sparse: invalid assignment: |= drivers/misc/cxl/guest.c:545:31: sparse: left side has type restricted __be64 drivers/misc/cxl/guest.c:545:31: sparse: right side has type unsigned long long drivers/misc/cxl/guest.c:548:31: sparse: sparse: cast from restricted __be64 -- arch/powerpc/platforms/pasemi/dma_lib.c:364:57: sparse: sparse: incorrect type in argument 4 (different base types) @@ expected unsigned long long [usertype] dma_handle @@ got restricted gfp_t @@ arch/powerpc/platforms/pasemi/dma_lib.c:364:57: sparse: expected unsigned long long [usertype] dma_handle arch/powerpc/platforms/pasemi/dma_lib.c:364:57: sparse: got restricted gfp_t >> arch/powerpc/platforms/pasemi/dma_lib.c:481:16: sparse: sparse: incorrect >> type in return expression (different address spaces) @@ expected void * >> @@ got void [noderef] __iomem *[assigned] ret @@ arch/powerpc/platforms/pasemi/dma_lib.c:481:16: sparse: expected void * >> arch/powerpc/platforms/pasemi/dma_lib.c:481:16: sparse: got void >> [noderef] __iomem *[assigned] ret >> arch/powerpc/platforms/pasemi/dma_lib.c:487:23: sparse: sparse: incorrect >> type in return expression (different address spaces) @@ expected void * >> @@ got void [noderef] __iomem * @@ arch/powerpc/platforms/pasemi/dma_lib.c:487:23: sparse: expected void * >> arch/powerpc/platforms/pasemi/dma_lib.c:487:23: sparse: got void >> [noderef] __iomem * >> arch/powerpc/platforms/pasemi/dma_lib.c:524:18: sparse: sparse: incorrect >> type in assignment (different address spaces) @@ expected void [noderef] >> __iomem *static [toplevel] iob_regs @@ got void * @@ >> arch/powerpc/platforms/pasemi/dma_lib.c:524:18: sparse: expected void >> [noderef] __iomem *static [toplevel] iob_regs arch/powerpc/platforms/pasemi/dma_lib.c:524:18: sparse: got void * >> arch/powerpc/platforms/pasemi/dma_lib.c:533:18: sparse: sparse: incorrect >> type in assignment (different address spaces) @@ expected void [noderef] >> __iomem *static [toplevel] dma_regs @@ got void * @@ >> arch/powerpc/platforms/pasemi/dma_lib.c:533:18: sparse: expected void >> [noderef] __iomem *static [toplevel] dma_regs arch/powerpc/platforms/pasemi/dma_lib.c:533:18: sparse: got void * >> arch/powerpc/platforms/pasemi/dma_lib.c:546:34: sparse: sparse: incorrect >> type in assignment (different address spaces) @@ expected void [noderef] >> __iomem * @@ got void * @@ >> arch/powerpc/platforms/pasemi/dma_lib.c:546:34: sparse: expected void >> [noderef] __iomem * arch/powerpc/platforms/pasemi/dma_lib.c:546:34: sparse: got void * arch/powerpc/platforms/pasemi/dma_lib.c:553:34: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected void [noderef] __iomem * @@ got void * @@ arch/powerpc/platforms/pasemi/dma_lib.c:553:34: sparse: expected void [noderef] __iomem * arch/powerpc/platforms/pasemi/dma_lib.c:553:34: sparse: got void * >> arch/powerpc/platforms/pasemi/dma_lib.c:565:20: sparse: sparse: incorrect >> type in assignment (different address spaces) @@ expected struct >> pasdma_status *static [toplevel] dma_status @@ got void [noderef] >> __iomem * @@ arch/powerpc/platforms/pasemi/dma_lib.c:565:20: sparse: expected struct pasdma_status *static [toplevel] dma_status arch/powerpc/platforms/pasemi/dma_lib.c:565:20: sparse: got void [noderef] __iomem * -- arch/powerpc/platforms/cell/spu_syscalls.c:154:9: sparse: sparse: incompatible types in comparison expression (different address spaces): >> arch/powerpc/platforms/cell/spu_syscalls.c:154:9: sparse: struct >> spufs_calls [noderef] __rcu * arch/powerpc/platforms/cell/spu_syscalls.c:154:9: sparse: struct spufs_calls * arch/powerpc/platforms/cell/spu_syscalls.c:162:9: sparse: sparse: incompatible types in comparison expression (different address spaces): arch/powerpc/platforms/cell/spu_syscalls.c:162:9: sparse: struct spufs_calls [noderef] __rcu * arch/powerpc/platforms/cell/spu_syscalls.c:162:9: sparse: struct spufs_calls * -- >> arch/powerpc/platforms/cell/spufs/file.c:277:41: sparse: sparse: incorrect >> type in argument 1 (different address spaces) @@ expected void volatile >> [noderef] __iomem *d @@ got char * @@ >> arch/powerpc/platforms/cell/spufs/file.c:277:41: sparse: expected void >> volatile [noderef] __iomem *d arch/powerpc/platforms/cell/spufs/file.c:277:41: sparse: got char * >> arch/powerpc/platforms/cell/spufs/file.c:279:48: sparse: sparse: incorrect >> type in argument 2 (different address spaces) @@ expected void const >> volatile [noderef] __iomem *s @@ got char * @@ >> arch/powerpc/platforms/cell/spufs/file.c:279:48: sparse: expected void >> const volatile [noderef] __iomem *s arch/powerpc/platforms/cell/spufs/file.c:279:48: sparse: got char * arch/powerpc/platforms/cell/spufs/file.c:2442:24: sparse: sparse: incorrect type in return expression (different base types) @@ expected restricted __poll_t @@ got int [assigned] rc @@ arch/powerpc/platforms/cell/spufs/file.c:2442:24: sparse: expected restricted __poll_t arch/powerpc/platforms/cell/spufs/file.c:2442:24: sparse: got int [assigned] rc -- >> arch/powerpc/platforms/ps3/gelic_udbg.c:127:53: sparse: sparse: incorrect >> type in argument 3 (different address spaces) @@ expected void *start @@ >> got struct debug_block [noderef] __iomem * @@ arch/powerpc/platforms/ps3/gelic_udbg.c:127:53: sparse: expected void *start >> arch/powerpc/platforms/ps3/gelic_udbg.c:127:53: sparse: got struct >> debug_block [noderef] __iomem * >> arch/powerpc/platforms/ps3/gelic_udbg.c:130:17: sparse: sparse: incorrect >> type in argument 1 (different address spaces) @@ expected void * @@ >> got struct debug_block [noderef] __iomem * @@ arch/powerpc/platforms/ps3/gelic_udbg.c:130:17: sparse: expected void * arch/powerpc/platforms/ps3/gelic_udbg.c:130:17: sparse: got struct debug_block [noderef] __iomem * >> arch/powerpc/platforms/ps3/gelic_udbg.c:132:28: sparse: sparse: incorrect >> type in assignment (different base types) @@ expected restricted __be32 >> static [addressable] [noderef] [toplevel] [usertype] __iomem buf_addr @@ >> got unsigned long long @@ >> arch/powerpc/platforms/ps3/gelic_udbg.c:132:28: sparse: expected >> restricted __be32 static [addressable] [noderef] [toplevel] [usertype] >> __iomem buf_addr arch/powerpc/platforms/ps3/gelic_udbg.c:132:28: sparse: got unsigned long long >> arch/powerpc/platforms/ps3/gelic_udbg.c:144:18: sparse: sparse: cast removes >> address space '__iomem' of expression >> arch/powerpc/platforms/ps3/gelic_udbg.c:144:15: sparse: sparse: incorrect >> type in assignment (different address spaces) @@ expected struct ethhdr >> [noderef] __iomem *static [toplevel] h_eth @@ got struct ethhdr * @@ >> arch/powerpc/platforms/ps3/gelic_udbg.c:144:15: sparse: expected struct >> ethhdr [noderef] __iomem *static [toplevel] h_eth arch/powerpc/platforms/ps3/gelic_udbg.c:144:15: sparse: got struct ethhdr * >> arch/powerpc/platforms/ps3/gelic_udbg.c:146:28: sparse: sparse: incorrect >> type in argument 1 (different address spaces) @@ expected unsigned char >> [usertype] *addr @@ got unsigned char [noderef] __iomem * @@ arch/powerpc/platforms/ps3/gelic_udbg.c:146:28: sparse: expected unsigned char [usertype] *addr >> arch/powerpc/platforms/ps3/gelic_udbg.c:146:28: sparse: got unsigned >> char [noderef] __iomem * >> arch/powerpc/platforms/ps3/gelic_udbg.c:147:17: sparse: sparse: incorrect >> type in argument 1 (different address spaces) @@ expected void * @@ >> got unsigned char [noderef] __iomem ( * )[6] @@ arch/powerpc/platforms/ps3/gelic_udbg.c:147:17: sparse: expected void * >> arch/powerpc/platforms/ps3/gelic_udbg.c:147:17: sparse: got unsigned >> char [noderef] __iomem ( * )[6] >> arch/powerpc/platforms/ps3/gelic_udbg.c:156:31: sparse: sparse: incorrect >> type in assignment (different base types) @@ expected restricted __be16 >> [noderef] [usertype] __iomem h_proto @@ got int @@ >> arch/powerpc/platforms/ps3/gelic_udbg.c:156:31: sparse: expected >> restricted __be16 [noderef] [usertype] __iomem h_proto arch/powerpc/platforms/ps3/gelic_udbg.c:156:31: sparse: got int arch/powerpc/platforms/ps3/gelic_udbg.c:159:27: sparse: sparse: cast removes address space '__iomem' of expression >> arch/powerpc/platforms/ps3/gelic_udbg.c:159:24: sparse: sparse: incorrect >> type in assignment (different address spaces) @@ expected struct >> vlan_hdr [noderef] __iomem *static [toplevel] h_vlan @@ got struct >> vlan_hdr * @@ >> arch/powerpc/platforms/ps3/gelic_udbg.c:159:24: sparse: expected struct >> vlan_hdr [noderef] __iomem *static [toplevel] h_vlan arch/powerpc/platforms/ps3/gelic_udbg.c:159:24: sparse: got struct vlan_hdr * >> arch/powerpc/platforms/ps3/gelic_udbg.c:160:36: sparse: sparse: incorrect >> type in assignment (different base types) @@ expected restricted __be16 >> [noderef] [usertype] __iomem h_vlan_TCI @@ got unsigned long long >> [addressable] [usertype] vlan_id @@ >> arch/powerpc/platforms/ps3/gelic_udbg.c:160:36: sparse: expected >> restricted __be16 [noderef] [usertype] __iomem h_vlan_TCI arch/powerpc/platforms/ps3/gelic_udbg.c:160:36: sparse: got unsigned long long [addressable] [usertype] vlan_id >> arch/powerpc/platforms/ps3/gelic_udbg.c:161:51: sparse: sparse: incorrect >> type in assignment (different base types) @@ expected restricted __be16 >> [noderef] [usertype] __iomem h_vlan_encapsulated_proto @@ got int @@ >> arch/powerpc/platforms/ps3/gelic_udbg.c:161:51: sparse: expected >> restricted __be16 [noderef] [usertype] __iomem h_vlan_encapsulated_proto arch/powerpc/platforms/ps3/gelic_udbg.c:161:51: sparse: got int arch/powerpc/platforms/ps3/gelic_udbg.c:162:25: sparse: sparse: cast removes address space '__iomem' of expression >> arch/powerpc/platforms/ps3/gelic_udbg.c:162:22: sparse: sparse: incorrect >> type in assignment (different address spaces) @@ expected struct iphdr >> [noderef] __iomem *static [toplevel] h_ip @@ got struct iphdr * @@ >> arch/powerpc/platforms/ps3/gelic_udbg.c:162:22: sparse: expected struct >> iphdr [noderef] __iomem *static [toplevel] h_ip arch/powerpc/platforms/ps3/gelic_udbg.c:162:22: sparse: got struct iphdr * arch/powerpc/platforms/ps3/gelic_udbg.c:164:31: sparse: sparse: incorrect type in assignment (different base types) @@ expected restricted __be16 [noderef] [usertype] __iomem h_proto @@ got int @@ arch/powerpc/platforms/ps3/gelic_udbg.c:164:31: sparse: expected restricted __be16 [noderef] [usertype] __iomem h_proto arch/powerpc/platforms/ps3/gelic_udbg.c:164:31: sparse: got int arch/powerpc/platforms/ps3/gelic_udbg.c:165:25: sparse: sparse: cast removes address space '__iomem' of expression arch/powerpc/platforms/ps3/gelic_udbg.c:165:22: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct iphdr [noderef] __iomem *static [toplevel] h_ip @@ got struct iphdr * @@ arch/powerpc/platforms/ps3/gelic_udbg.c:165:22: sparse: expected struct iphdr [noderef] __iomem *static [toplevel] h_ip arch/powerpc/platforms/ps3/gelic_udbg.c:165:22: sparse: got struct iphdr * >> arch/powerpc/platforms/ps3/gelic_udbg.c:174:21: sparse: sparse: incorrect >> type in assignment (different base types) @@ expected restricted __be32 >> [noderef] [usertype] __iomem daddr @@ got unsigned int @@ >> arch/powerpc/platforms/ps3/gelic_udbg.c:174:21: sparse: expected >> restricted __be32 [noderef] [usertype] __iomem daddr arch/powerpc/platforms/ps3/gelic_udbg.c:174:21: sparse: got unsigned int arch/powerpc/platforms/ps3/gelic_udbg.c:177:18: sparse: sparse: cast removes address space '__iomem' of expression >> arch/powerpc/platforms/ps3/gelic_udbg.c:177:15: sparse: sparse: incorrect >> type in assignment (different address spaces) @@ expected struct udphdr >> [noderef] __iomem *static [toplevel] h_udp @@ got struct udphdr * @@ >> arch/powerpc/platforms/ps3/gelic_udbg.c:177:15: sparse: expected struct >> udphdr [noderef] __iomem *static [toplevel] h_udp arch/powerpc/platforms/ps3/gelic_udbg.c:177:15: sparse: got struct udphdr * >> arch/powerpc/platforms/ps3/gelic_udbg.c:178:23: sparse: sparse: incorrect >> type in assignment (different base types) @@ expected restricted __be16 >> [noderef] [usertype] __iomem source @@ got int @@ >> arch/powerpc/platforms/ps3/gelic_udbg.c:178:23: sparse: expected >> restricted __be16 [noderef] [usertype] __iomem source arch/powerpc/platforms/ps3/gelic_udbg.c:178:23: sparse: got int >> arch/powerpc/platforms/ps3/gelic_udbg.c:179:21: sparse: sparse: incorrect >> type in assignment (different base types) @@ expected restricted __be16 >> [noderef] [usertype] __iomem dest @@ got int @@ >> arch/powerpc/platforms/ps3/gelic_udbg.c:179:21: sparse: expected >> restricted __be16 [noderef] [usertype] __iomem dest arch/powerpc/platforms/ps3/gelic_udbg.c:179:21: sparse: got int arch/powerpc/platforms/ps3/gelic_udbg.c:181:25: sparse: sparse: cast removes address space '__iomem' of expression >> arch/powerpc/platforms/ps3/gelic_udbg.c:181:22: sparse: sparse: incorrect >> type in assignment (different address spaces) @@ expected char [noderef] >> __iomem *static [toplevel] pmsg @@ got char * @@ >> arch/powerpc/platforms/ps3/gelic_udbg.c:181:22: sparse: expected char >> [noderef] __iomem *static [toplevel] pmsg arch/powerpc/platforms/ps3/gelic_udbg.c:181:22: sparse: got char * >> arch/powerpc/platforms/ps3/gelic_udbg.c:198:28: sparse: sparse: incorrect >> type in assignment (different base types) @@ expected restricted __be32 >> static [addressable] [noderef] [toplevel] [usertype] __iomem buf_size @@ >> got int @@ >> arch/powerpc/platforms/ps3/gelic_udbg.c:198:28: sparse: expected >> restricted __be32 static [addressable] [noderef] [toplevel] [usertype] >> __iomem buf_size arch/powerpc/platforms/ps3/gelic_udbg.c:198:28: sparse: got int >> arch/powerpc/platforms/ps3/gelic_udbg.c:199:23: sparse: sparse: incorrect >> type in assignment (different base types) @@ expected restricted __be16 >> [noderef] [usertype] __iomem tot_len @@ got unsigned long @@ >> arch/powerpc/platforms/ps3/gelic_udbg.c:199:23: sparse: expected >> restricted __be16 [noderef] [usertype] __iomem tot_len arch/powerpc/platforms/ps3/gelic_udbg.c:199:23: sparse: got unsigned long >> arch/powerpc/platforms/ps3/gelic_udbg.c:201:20: sparse: sparse: incorrect >> type in assignment (different base types) @@ expected restricted __be16 >> [noderef] [usertype] __iomem len @@ got unsigned long @@ >> arch/powerpc/platforms/ps3/gelic_udbg.c:201:20: sparse: expected >> restricted __be16 [noderef] [usertype] __iomem len arch/powerpc/platforms/ps3/gelic_udbg.c:201:20: sparse: got unsigned long arch/powerpc/platforms/ps3/gelic_udbg.c:205:14: sparse: sparse: cast removes address space '__iomem' of expression >> arch/powerpc/platforms/ps3/gelic_udbg.c:208:21: sparse: sparse: incorrect >> type in assignment (different base types) @@ expected restricted __sum16 >> [noderef] [usertype] __iomem check @@ got unsigned int @@ >> arch/powerpc/platforms/ps3/gelic_udbg.c:208:21: sparse: expected >> restricted __sum16 [noderef] [usertype] __iomem check arch/powerpc/platforms/ps3/gelic_udbg.c:208:21: sparse: got unsigned int >> arch/powerpc/platforms/ps3/gelic_udbg.c:210:35: sparse: sparse: incorrect >> type in assignment (different base types) @@ expected restricted __be32 >> static [addressable] [noderef] [toplevel] [usertype] __iomem dmac_cmd_status >> @@ got unsigned int @@ >> arch/powerpc/platforms/ps3/gelic_udbg.c:210:35: sparse: expected >> restricted __be32 static [addressable] [noderef] [toplevel] [usertype] >> __iomem dmac_cmd_status arch/powerpc/platforms/ps3/gelic_udbg.c:210:35: sparse: got unsigned int arch/powerpc/platforms/ps3/gelic_udbg.c:219:26: sparse: sparse: restricted __be32 degrades to integer arch/powerpc/platforms/ps3/gelic_udbg.c:169:9: sparse: sparse: dereference of noderef expression arch/powerpc/platforms/ps3/gelic_udbg.c:170:9: sparse: sparse: dereference of noderef expression arch/powerpc/platforms/ps3/gelic_udbg.c:171:9: sparse: sparse: dereference of noderef expression arch/powerpc/platforms/ps3/gelic_udbg.c:172:9: sparse: sparse: dereference of noderef expression arch/powerpc/platforms/ps3/gelic_udbg.c:173:9: sparse: sparse: dereference of noderef expression arch/powerpc/platforms/ps3/gelic_udbg.c:203:9: sparse: sparse: dereference of noderef expression arch/powerpc/platforms/ps3/gelic_udbg.c:212:9: sparse: sparse: dereference of noderef expression arch/powerpc/platforms/ps3/gelic_udbg.c:213:9: sparse: sparse: dereference of noderef expression arch/powerpc/platforms/ps3/gelic_udbg.c:219:17: sparse: sparse: dereference of noderef expression arch/powerpc/platforms/ps3/gelic_udbg.c:226:15: sparse: sparse: dereference of noderef expression vim +294 drivers/misc/cxl/flash.c 594ff7d067ca42 Christophe Lombard 2016-03-04 226 594ff7d067ca42 Christophe Lombard 2016-03-04 227 static int handle_image(struct cxl *adapter, int operation, 594ff7d067ca42 Christophe Lombard 2016-03-04 228 long (*fct)(u64, u64, u64, u64 *), 594ff7d067ca42 Christophe Lombard 2016-03-04 229 struct cxl_adapter_image *ai) 594ff7d067ca42 Christophe Lombard 2016-03-04 230 { 594ff7d067ca42 Christophe Lombard 2016-03-04 231 size_t mod, s_copy, len_chunk = 0; 594ff7d067ca42 Christophe Lombard 2016-03-04 232 struct ai_header *header = NULL; 594ff7d067ca42 Christophe Lombard 2016-03-04 233 unsigned int entries = 0, i; 594ff7d067ca42 Christophe Lombard 2016-03-04 234 void *dest, *from; 594ff7d067ca42 Christophe Lombard 2016-03-04 235 int rc = 0, need_header; 594ff7d067ca42 Christophe Lombard 2016-03-04 236 594ff7d067ca42 Christophe Lombard 2016-03-04 237 /* base adapter image header */ 594ff7d067ca42 Christophe Lombard 2016-03-04 238 need_header = (ai->flags & CXL_AI_NEED_HEADER); 594ff7d067ca42 Christophe Lombard 2016-03-04 239 if (need_header) { 594ff7d067ca42 Christophe Lombard 2016-03-04 240 header = kzalloc(sizeof(struct ai_header), GFP_KERNEL); 594ff7d067ca42 Christophe Lombard 2016-03-04 241 if (!header) 594ff7d067ca42 Christophe Lombard 2016-03-04 242 return -ENOMEM; 594ff7d067ca42 Christophe Lombard 2016-03-04 243 header->version = cpu_to_be16(1); 594ff7d067ca42 Christophe Lombard 2016-03-04 244 header->vendor = cpu_to_be16(adapter->guest->vendor); 594ff7d067ca42 Christophe Lombard 2016-03-04 245 header->device = cpu_to_be16(adapter->guest->device); 594ff7d067ca42 Christophe Lombard 2016-03-04 246 header->subsystem_vendor = cpu_to_be16(adapter->guest->subsystem_vendor); 594ff7d067ca42 Christophe Lombard 2016-03-04 @247 header->subsystem = cpu_to_be16(adapter->guest->subsystem); 594ff7d067ca42 Christophe Lombard 2016-03-04 248 header->image_offset = cpu_to_be64(CXL_AI_HEADER_SIZE); 594ff7d067ca42 Christophe Lombard 2016-03-04 249 header->image_length = cpu_to_be64(ai->len_image); 594ff7d067ca42 Christophe Lombard 2016-03-04 250 } 594ff7d067ca42 Christophe Lombard 2016-03-04 251 594ff7d067ca42 Christophe Lombard 2016-03-04 252 /* number of entries in the list */ 594ff7d067ca42 Christophe Lombard 2016-03-04 253 len_chunk = ai->len_data; 594ff7d067ca42 Christophe Lombard 2016-03-04 254 if (need_header) 594ff7d067ca42 Christophe Lombard 2016-03-04 255 len_chunk += CXL_AI_HEADER_SIZE; 594ff7d067ca42 Christophe Lombard 2016-03-04 256 594ff7d067ca42 Christophe Lombard 2016-03-04 257 entries = len_chunk / CXL_AI_BUFFER_SIZE; 594ff7d067ca42 Christophe Lombard 2016-03-04 258 mod = len_chunk % CXL_AI_BUFFER_SIZE; 594ff7d067ca42 Christophe Lombard 2016-03-04 259 if (mod) 594ff7d067ca42 Christophe Lombard 2016-03-04 260 entries++; 594ff7d067ca42 Christophe Lombard 2016-03-04 261 594ff7d067ca42 Christophe Lombard 2016-03-04 262 if (entries > CXL_AI_MAX_ENTRIES) { 594ff7d067ca42 Christophe Lombard 2016-03-04 263 rc = -EINVAL; 594ff7d067ca42 Christophe Lombard 2016-03-04 264 goto err; 594ff7d067ca42 Christophe Lombard 2016-03-04 265 } 594ff7d067ca42 Christophe Lombard 2016-03-04 266 594ff7d067ca42 Christophe Lombard 2016-03-04 267 /* < -- MAX_CHUNK_SIZE = 4096 * 256 = 1048576 bytes --> 594ff7d067ca42 Christophe Lombard 2016-03-04 268 * chunk 0 ---------------------------------------------------- 594ff7d067ca42 Christophe Lombard 2016-03-04 269 * | header | data | 594ff7d067ca42 Christophe Lombard 2016-03-04 270 * ---------------------------------------------------- 594ff7d067ca42 Christophe Lombard 2016-03-04 271 * chunk 1 ---------------------------------------------------- 594ff7d067ca42 Christophe Lombard 2016-03-04 272 * | data | 594ff7d067ca42 Christophe Lombard 2016-03-04 273 * ---------------------------------------------------- 594ff7d067ca42 Christophe Lombard 2016-03-04 274 * .... 594ff7d067ca42 Christophe Lombard 2016-03-04 275 * chunk n ---------------------------------------------------- 594ff7d067ca42 Christophe Lombard 2016-03-04 276 * | data | 594ff7d067ca42 Christophe Lombard 2016-03-04 277 * ---------------------------------------------------- 594ff7d067ca42 Christophe Lombard 2016-03-04 278 */ 594ff7d067ca42 Christophe Lombard 2016-03-04 279 from = (void *) ai->data; 594ff7d067ca42 Christophe Lombard 2016-03-04 280 for (i = 0; i < entries; i++) { 594ff7d067ca42 Christophe Lombard 2016-03-04 281 dest = buffer[i]; 594ff7d067ca42 Christophe Lombard 2016-03-04 282 s_copy = CXL_AI_BUFFER_SIZE; 594ff7d067ca42 Christophe Lombard 2016-03-04 283 594ff7d067ca42 Christophe Lombard 2016-03-04 284 if ((need_header) && (i == 0)) { 594ff7d067ca42 Christophe Lombard 2016-03-04 285 /* add adapter image header */ 594ff7d067ca42 Christophe Lombard 2016-03-04 286 memcpy(buffer[i], header, sizeof(struct ai_header)); 594ff7d067ca42 Christophe Lombard 2016-03-04 287 s_copy = CXL_AI_BUFFER_SIZE - CXL_AI_HEADER_SIZE; 594ff7d067ca42 Christophe Lombard 2016-03-04 288 dest += CXL_AI_HEADER_SIZE; /* image offset */ 594ff7d067ca42 Christophe Lombard 2016-03-04 289 } 594ff7d067ca42 Christophe Lombard 2016-03-04 290 if ((i == (entries - 1)) && mod) 594ff7d067ca42 Christophe Lombard 2016-03-04 291 s_copy = mod; 594ff7d067ca42 Christophe Lombard 2016-03-04 292 594ff7d067ca42 Christophe Lombard 2016-03-04 293 /* copy data */ 594ff7d067ca42 Christophe Lombard 2016-03-04 @294 if (copy_from_user(dest, from, s_copy)) 594ff7d067ca42 Christophe Lombard 2016-03-04 295 goto err; 594ff7d067ca42 Christophe Lombard 2016-03-04 296 594ff7d067ca42 Christophe Lombard 2016-03-04 297 /* fill in the list */ 594ff7d067ca42 Christophe Lombard 2016-03-04 298 le[i].phys_addr = cpu_to_be64(virt_to_phys(buffer[i])); 594ff7d067ca42 Christophe Lombard 2016-03-04 299 le[i].len = cpu_to_be64(CXL_AI_BUFFER_SIZE); 594ff7d067ca42 Christophe Lombard 2016-03-04 300 if ((i == (entries - 1)) && mod) 594ff7d067ca42 Christophe Lombard 2016-03-04 301 le[i].len = cpu_to_be64(mod); 594ff7d067ca42 Christophe Lombard 2016-03-04 302 from += s_copy; 594ff7d067ca42 Christophe Lombard 2016-03-04 303 } 594ff7d067ca42 Christophe Lombard 2016-03-04 304 pr_devel("%s (op: %i, need header: %i, entries: %i, token: %#llx)\n", 594ff7d067ca42 Christophe Lombard 2016-03-04 305 __func__, operation, need_header, entries, continue_token); 594ff7d067ca42 Christophe Lombard 2016-03-04 306 594ff7d067ca42 Christophe Lombard 2016-03-04 307 /* 594ff7d067ca42 Christophe Lombard 2016-03-04 308 * download/validate the adapter image to the coherent 594ff7d067ca42 Christophe Lombard 2016-03-04 309 * platform facility 594ff7d067ca42 Christophe Lombard 2016-03-04 310 */ 594ff7d067ca42 Christophe Lombard 2016-03-04 311 rc = fct(adapter->guest->handle, virt_to_phys(le), entries, 594ff7d067ca42 Christophe Lombard 2016-03-04 312 &continue_token); 594ff7d067ca42 Christophe Lombard 2016-03-04 313 if (rc == 0) /* success of download/validation operation */ 594ff7d067ca42 Christophe Lombard 2016-03-04 314 continue_token = 0; 594ff7d067ca42 Christophe Lombard 2016-03-04 315 594ff7d067ca42 Christophe Lombard 2016-03-04 316 err: 594ff7d067ca42 Christophe Lombard 2016-03-04 317 kfree(header); 594ff7d067ca42 Christophe Lombard 2016-03-04 318 594ff7d067ca42 Christophe Lombard 2016-03-04 319 return rc; 594ff7d067ca42 Christophe Lombard 2016-03-04 320 } 594ff7d067ca42 Christophe Lombard 2016-03-04 321 :::::: The code at line 294 was first introduced by commit :::::: 594ff7d067ca42676e27e2a7b5dcc0ff039d08ca cxl: Support to flash a new image on the adapter from a guest :::::: TO: Christophe Lombard <[email protected]> :::::: CC: Michael Ellerman <[email protected]> --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/[email protected]
.config.gz
Description: application/gzip
