* [arm-integrator:p4d_pgd_cdtor 9/10] arch/hexagon/include/asm/pgalloc.h:25:2: error: use of undeclared identifier 'ret'
@ 2024-12-18 13:32 kernel test robot
0 siblings, 0 replies; only message in thread
From: kernel test robot @ 2024-12-18 13:32 UTC (permalink / raw)
To: Kevin Brodsky; +Cc: llvm, oe-kbuild-all, Linus Walleij
tree: https://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-integrator.git p4d_pgd_cdtor
head: 5453d8f69ac04a3a31ea973f98de9e0c58248a42
commit: e6431575bf2a3fe883edca4d6d647886a37e3811 [9/10] asm-generic: pgalloc: Provide generic __pgd_{alloc,free}
config: hexagon-randconfig-001-20241218 (https://download.01.org/0day-ci/archive/20241218/202412182106.MIbADAW5-lkp@intel.com/config)
compiler: clang version 20.0.0git (https://github.com/llvm/llvm-project 2dc22615fd46ab2566d0f26d5ba234ab12dc4bf8)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241218/202412182106.MIbADAW5-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 <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202412182106.MIbADAW5-lkp@intel.com/
All errors (new ones prefixed by >>):
In file included from io_uring/sqpoll.c:9:
In file included from include/linux/mm.h:2213:
include/linux/vmstat.h:518:36: warning: arithmetic between different enumeration types ('enum node_stat_item' and 'enum lru_list') [-Wenum-enum-conversion]
518 | return node_stat_name(NR_LRU_BASE + lru) + 3; // skip "nr_"
| ~~~~~~~~~~~ ^ ~~~
In file included from io_uring/sqpoll.c:12:
In file included from include/linux/security.h:35:
In file included from include/linux/bpf.h:31:
In file included from include/linux/memcontrol.h:13:
In file included from include/linux/cgroup.h:26:
In file included from include/linux/kernel_stat.h:8:
In file included from include/linux/interrupt.h:11:
In file included from include/linux/hardirq.h:11:
In file included from ./arch/hexagon/include/generated/asm/hardirq.h:1:
In file included from include/asm-generic/hardirq.h:17:
In file included from include/linux/irq.h:20:
In file included from include/linux/io.h:14:
In file included from arch/hexagon/include/asm/io.h:328:
include/asm-generic/io.h:548:31: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
548 | val = __raw_readb(PCI_IOBASE + addr);
| ~~~~~~~~~~ ^
include/asm-generic/io.h:561:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
561 | val = __le16_to_cpu((__le16 __force)__raw_readw(PCI_IOBASE + addr));
| ~~~~~~~~~~ ^
include/uapi/linux/byteorder/little_endian.h:37:51: note: expanded from macro '__le16_to_cpu'
37 | #define __le16_to_cpu(x) ((__force __u16)(__le16)(x))
| ^
In file included from io_uring/sqpoll.c:12:
In file included from include/linux/security.h:35:
In file included from include/linux/bpf.h:31:
In file included from include/linux/memcontrol.h:13:
In file included from include/linux/cgroup.h:26:
In file included from include/linux/kernel_stat.h:8:
In file included from include/linux/interrupt.h:11:
In file included from include/linux/hardirq.h:11:
In file included from ./arch/hexagon/include/generated/asm/hardirq.h:1:
In file included from include/asm-generic/hardirq.h:17:
In file included from include/linux/irq.h:20:
In file included from include/linux/io.h:14:
In file included from arch/hexagon/include/asm/io.h:328:
include/asm-generic/io.h:574:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
574 | val = __le32_to_cpu((__le32 __force)__raw_readl(PCI_IOBASE + addr));
| ~~~~~~~~~~ ^
include/uapi/linux/byteorder/little_endian.h:35:51: note: expanded from macro '__le32_to_cpu'
35 | #define __le32_to_cpu(x) ((__force __u32)(__le32)(x))
| ^
In file included from io_uring/sqpoll.c:12:
In file included from include/linux/security.h:35:
In file included from include/linux/bpf.h:31:
In file included from include/linux/memcontrol.h:13:
In file included from include/linux/cgroup.h:26:
In file included from include/linux/kernel_stat.h:8:
In file included from include/linux/interrupt.h:11:
In file included from include/linux/hardirq.h:11:
In file included from ./arch/hexagon/include/generated/asm/hardirq.h:1:
In file included from include/asm-generic/hardirq.h:17:
In file included from include/linux/irq.h:20:
In file included from include/linux/io.h:14:
In file included from arch/hexagon/include/asm/io.h:328:
include/asm-generic/io.h:585:33: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
585 | __raw_writeb(value, PCI_IOBASE + addr);
| ~~~~~~~~~~ ^
include/asm-generic/io.h:595:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
595 | __raw_writew((u16 __force)cpu_to_le16(value), PCI_IOBASE + addr);
| ~~~~~~~~~~ ^
include/asm-generic/io.h:605:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
605 | __raw_writel((u32 __force)cpu_to_le32(value), PCI_IOBASE + addr);
| ~~~~~~~~~~ ^
In file included from io_uring/sqpoll.c:13:
In file included from include/linux/cpuset.h:18:
In file included from include/linux/mmu_context.h:5:
In file included from arch/hexagon/include/asm/mmu_context.h:15:
>> arch/hexagon/include/asm/pgalloc.h:25:2: error: use of undeclared identifier 'ret'
25 | ret = __pgd_alloc(mm, 0);
| ^
7 warnings and 1 error generated.
--
In file included from io_uring/io-wq.c:16:
In file included from include/linux/cpuset.h:17:
In file included from include/linux/mm.h:2213:
include/linux/vmstat.h:518:36: warning: arithmetic between different enumeration types ('enum node_stat_item' and 'enum lru_list') [-Wenum-enum-conversion]
518 | return node_stat_name(NR_LRU_BASE + lru) + 3; // skip "nr_"
| ~~~~~~~~~~~ ^ ~~~
In file included from io_uring/io-wq.c:16:
In file included from include/linux/cpuset.h:18:
In file included from include/linux/mmu_context.h:5:
In file included from arch/hexagon/include/asm/mmu_context.h:15:
>> arch/hexagon/include/asm/pgalloc.h:25:2: error: use of undeclared identifier 'ret'
25 | ret = __pgd_alloc(mm, 0);
| ^
In file included from io_uring/io-wq.c:22:
In file included from io_uring/io-wq.h:5:
In file included from include/linux/io_uring_types.h:4:
In file included from include/linux/blkdev.h:9:
In file included from include/linux/blk_types.h:10:
In file included from include/linux/bvec.h:10:
In file included from include/linux/highmem.h:12:
In file included from include/linux/hardirq.h:11:
In file included from ./arch/hexagon/include/generated/asm/hardirq.h:1:
In file included from include/asm-generic/hardirq.h:17:
In file included from include/linux/irq.h:20:
In file included from include/linux/io.h:14:
In file included from arch/hexagon/include/asm/io.h:328:
include/asm-generic/io.h:548:31: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
548 | val = __raw_readb(PCI_IOBASE + addr);
| ~~~~~~~~~~ ^
include/asm-generic/io.h:561:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
561 | val = __le16_to_cpu((__le16 __force)__raw_readw(PCI_IOBASE + addr));
| ~~~~~~~~~~ ^
include/uapi/linux/byteorder/little_endian.h:37:51: note: expanded from macro '__le16_to_cpu'
37 | #define __le16_to_cpu(x) ((__force __u16)(__le16)(x))
| ^
In file included from io_uring/io-wq.c:22:
In file included from io_uring/io-wq.h:5:
In file included from include/linux/io_uring_types.h:4:
In file included from include/linux/blkdev.h:9:
In file included from include/linux/blk_types.h:10:
In file included from include/linux/bvec.h:10:
In file included from include/linux/highmem.h:12:
In file included from include/linux/hardirq.h:11:
In file included from ./arch/hexagon/include/generated/asm/hardirq.h:1:
In file included from include/asm-generic/hardirq.h:17:
In file included from include/linux/irq.h:20:
In file included from include/linux/io.h:14:
In file included from arch/hexagon/include/asm/io.h:328:
include/asm-generic/io.h:574:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
574 | val = __le32_to_cpu((__le32 __force)__raw_readl(PCI_IOBASE + addr));
| ~~~~~~~~~~ ^
include/uapi/linux/byteorder/little_endian.h:35:51: note: expanded from macro '__le32_to_cpu'
35 | #define __le32_to_cpu(x) ((__force __u32)(__le32)(x))
| ^
In file included from io_uring/io-wq.c:22:
In file included from io_uring/io-wq.h:5:
In file included from include/linux/io_uring_types.h:4:
In file included from include/linux/blkdev.h:9:
In file included from include/linux/blk_types.h:10:
In file included from include/linux/bvec.h:10:
In file included from include/linux/highmem.h:12:
In file included from include/linux/hardirq.h:11:
In file included from ./arch/hexagon/include/generated/asm/hardirq.h:1:
In file included from include/asm-generic/hardirq.h:17:
In file included from include/linux/irq.h:20:
In file included from include/linux/io.h:14:
In file included from arch/hexagon/include/asm/io.h:328:
include/asm-generic/io.h:585:33: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
585 | __raw_writeb(value, PCI_IOBASE + addr);
| ~~~~~~~~~~ ^
include/asm-generic/io.h:595:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
595 | __raw_writew((u16 __force)cpu_to_le16(value), PCI_IOBASE + addr);
| ~~~~~~~~~~ ^
include/asm-generic/io.h:605:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
605 | __raw_writel((u32 __force)cpu_to_le32(value), PCI_IOBASE + addr);
| ~~~~~~~~~~ ^
7 warnings and 1 error generated.
vim +/ret +25 arch/hexagon/include/asm/pgalloc.h
17
18 /*
19 * Page table creation interface
20 */
21 static inline pgd_t *pgd_alloc(struct mm_struct *mm)
22 {
23 pgd_t *pgd;
24
> 25 ret = __pgd_alloc(mm, 0);
26
27 /*
28 * There may be better ways to do this, but to ensure
29 * that new address spaces always contain the kernel
30 * base mapping, and to ensure that the user area is
31 * initially marked invalid, initialize the new map
32 * map with a copy of the kernel's persistent map.
33 */
34
35 memcpy(pgd, swapper_pg_dir, PTRS_PER_PGD*sizeof(pgd_t));
36 mm->context.generation = kmap_generation;
37
38 /* Physical version is what is passed to virtual machine on switch */
39 mm->context.ptbase = __pa(pgd);
40
41 return pgd;
42 }
43
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
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