From: kernel test robot <lkp@intel.com>
To: Ben Hutchings <bwh@kernel.org>
Cc: oe-kbuild-all@lists.linux.dev
Subject: [cip:linux-4.4.y-st-rt 1008/22725] include/asm-generic/div64.h:48:22: error: passing argument 1 of '__div64_32' from incompatible pointer type
Date: Wed, 20 Mar 2024 01:00:13 +0800 [thread overview]
Message-ID: <202403200007.PCPYW1S6-lkp@intel.com> (raw)
tree: https://git.kernel.org/pub/scm/linux/kernel/git/cip/linux-cip.git linux-4.4.y-st-rt
head: 0a25e06c1d858ae27efabaa88494a6dc998a0138
commit: ad64c64a8f7ac0cb8357c598d152076cd3a7216d [1008/22725] Add upstream swait
config: powerpc-randconfig-003-20240319 (https://download.01.org/0day-ci/archive/20240320/202403200007.PCPYW1S6-lkp@intel.com/config)
compiler: powerpc-linux-gcc (GCC) 7.5.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240320/202403200007.PCPYW1S6-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/202403200007.PCPYW1S6-lkp@intel.com/
All errors (new ones prefixed by >>):
from drivers/gpu/drm/nouveau/nvkm/subdev/clk/priv.h:4,
from drivers/gpu/drm/nouveau/nvkm/subdev/clk/gk20a.c:26:
include/linux/scatterlist.h: In function 'sg_set_buf':
arch/powerpc/include/asm/page.h:129:32: warning: comparison of unsigned expression >= 0 is always true [-Wtype-limits]
#define pfn_valid(pfn) ((pfn) >= ARCH_PFN_OFFSET && (pfn) < max_mapnr)
^
arch/powerpc/include/asm/bug.h:75:27: note: in definition of macro 'BUG_ON'
if (__builtin_constant_p(x)) { \
^
arch/powerpc/include/asm/page.h:135:32: note: in expansion of macro 'pfn_valid'
#define virt_addr_valid(kaddr) pfn_valid(virt_to_pfn(kaddr))
^~~~~~~~~
include/linux/scatterlist.h:140:10: note: in expansion of macro 'virt_addr_valid'
BUG_ON(!virt_addr_valid(buf));
^~~~~~~~~~~~~~~
arch/powerpc/include/asm/page.h:129:32: warning: comparison of unsigned expression >= 0 is always true [-Wtype-limits]
#define pfn_valid(pfn) ((pfn) >= ARCH_PFN_OFFSET && (pfn) < max_mapnr)
^
arch/powerpc/include/asm/bug.h:76:7: note: in definition of macro 'BUG_ON'
if (x) \
^
arch/powerpc/include/asm/page.h:135:32: note: in expansion of macro 'pfn_valid'
#define virt_addr_valid(kaddr) pfn_valid(virt_to_pfn(kaddr))
^~~~~~~~~
include/linux/scatterlist.h:140:10: note: in expansion of macro 'virt_addr_valid'
BUG_ON(!virt_addr_valid(buf));
^~~~~~~~~~~~~~~
arch/powerpc/include/asm/page.h:129:32: warning: comparison of unsigned expression >= 0 is always true [-Wtype-limits]
#define pfn_valid(pfn) ((pfn) >= ARCH_PFN_OFFSET && (pfn) < max_mapnr)
^
arch/powerpc/include/asm/bug.h:84:25: note: in definition of macro 'BUG_ON'
"r" ((__force long)(x))); \
^
arch/powerpc/include/asm/page.h:135:32: note: in expansion of macro 'pfn_valid'
#define virt_addr_valid(kaddr) pfn_valid(virt_to_pfn(kaddr))
^~~~~~~~~
include/linux/scatterlist.h:140:10: note: in expansion of macro 'virt_addr_valid'
BUG_ON(!virt_addr_valid(buf));
^~~~~~~~~~~~~~~
In file included from arch/powerpc/include/generated/asm/div64.h:1:0,
from include/linux/kernel.h:136,
from include/asm-generic/bug.h:13,
from arch/powerpc/include/asm/bug.h:127,
from include/linux/bug.h:4,
from include/linux/mmdebug.h:4,
from include/linux/gfp.h:4,
from include/linux/slab.h:14,
from drivers/gpu/drm/nouveau/include/nvif/os.h:5,
from drivers/gpu/drm/nouveau/include/nvkm/core/os.h:3,
from drivers/gpu/drm/nouveau/include/nvkm/core/event.h:3,
from drivers/gpu/drm/nouveau/include/nvkm/core/device.h:3,
from drivers/gpu/drm/nouveau/include/nvkm/core/subdev.h:3,
from drivers/gpu/drm/nouveau/include/nvkm/subdev/clk.h:3,
from drivers/gpu/drm/nouveau/nvkm/subdev/clk/priv.h:4,
from drivers/gpu/drm/nouveau/nvkm/subdev/clk/gk20a.c:26:
drivers/gpu/drm/nouveau/nvkm/subdev/clk/gk20a.c: In function 'gk20a_pllg_calc_rate':
include/asm-generic/div64.h:43:28: warning: comparison of distinct pointer types lacks a cast
(void)(((typeof((n)) *)0) == ((uint64_t *)0)); \
^
drivers/gpu/drm/nouveau/nvkm/subdev/clk/gk20a.c:144:2: note: in expansion of macro 'do_div'
do_div(rate, divider);
^~~~~~
In file included from include/uapi/linux/stddef.h:1:0,
from include/linux/stddef.h:4,
from include/uapi/linux/posix_types.h:4,
from include/uapi/linux/types.h:13,
from include/linux/types.h:5,
from drivers/gpu/drm/nouveau/include/nvif/os.h:4,
from drivers/gpu/drm/nouveau/include/nvkm/core/os.h:3,
from drivers/gpu/drm/nouveau/include/nvkm/core/event.h:3,
from drivers/gpu/drm/nouveau/include/nvkm/core/device.h:3,
from drivers/gpu/drm/nouveau/include/nvkm/core/subdev.h:3,
from drivers/gpu/drm/nouveau/include/nvkm/subdev/clk.h:3,
from drivers/gpu/drm/nouveau/nvkm/subdev/clk/priv.h:4,
from drivers/gpu/drm/nouveau/nvkm/subdev/clk/gk20a.c:26:
include/asm-generic/div64.h:44:18: warning: right shift count >= width of type [-Wshift-count-overflow]
if (likely(((n) >> 32) == 0)) { \
^
include/linux/compiler.h:165:40: note: in definition of macro 'likely'
# define likely(x) __builtin_expect(!!(x), 1)
^
drivers/gpu/drm/nouveau/nvkm/subdev/clk/gk20a.c:144:2: note: in expansion of macro 'do_div'
do_div(rate, divider);
^~~~~~
In file included from arch/powerpc/include/generated/asm/div64.h:1:0,
from include/linux/kernel.h:136,
from include/asm-generic/bug.h:13,
from arch/powerpc/include/asm/bug.h:127,
from include/linux/bug.h:4,
from include/linux/mmdebug.h:4,
from include/linux/gfp.h:4,
from include/linux/slab.h:14,
from drivers/gpu/drm/nouveau/include/nvif/os.h:5,
from drivers/gpu/drm/nouveau/include/nvkm/core/os.h:3,
from drivers/gpu/drm/nouveau/include/nvkm/core/event.h:3,
from drivers/gpu/drm/nouveau/include/nvkm/core/device.h:3,
from drivers/gpu/drm/nouveau/include/nvkm/core/subdev.h:3,
from drivers/gpu/drm/nouveau/include/nvkm/subdev/clk.h:3,
from drivers/gpu/drm/nouveau/nvkm/subdev/clk/priv.h:4,
from drivers/gpu/drm/nouveau/nvkm/subdev/clk/gk20a.c:26:
>> include/asm-generic/div64.h:48:22: error: passing argument 1 of '__div64_32' from incompatible pointer type [-Werror=incompatible-pointer-types]
__rem = __div64_32(&(n), __base); \
^
drivers/gpu/drm/nouveau/nvkm/subdev/clk/gk20a.c:144:2: note: in expansion of macro 'do_div'
do_div(rate, divider);
^~~~~~
include/asm-generic/div64.h:35:17: note: expected 'uint64_t * {aka long long unsigned int *}' but argument is of type 'u32 * {aka unsigned int *}'
extern uint32_t __div64_32(uint64_t *dividend, uint32_t divisor);
^~~~~~~~~~
In file included from include/linux/bug.h:4:0,
from include/linux/mmdebug.h:4,
from include/linux/gfp.h:4,
from include/linux/slab.h:14,
from drivers/gpu/drm/nouveau/include/nvif/os.h:5,
from drivers/gpu/drm/nouveau/include/nvkm/core/os.h:3,
from drivers/gpu/drm/nouveau/include/nvkm/core/event.h:3,
from drivers/gpu/drm/nouveau/include/nvkm/core/device.h:3,
from drivers/gpu/drm/nouveau/include/nvkm/core/subdev.h:3,
from drivers/gpu/drm/nouveau/include/nvkm/subdev/clk.h:3,
from drivers/gpu/drm/nouveau/nvkm/subdev/clk/priv.h:4,
from drivers/gpu/drm/nouveau/nvkm/subdev/clk/gk20a.c:26:
drivers/gpu/drm/nouveau/nvkm/subdev/clk/gk20a.c: In function 'gk20a_pllg_calc_mnp':
drivers/gpu/drm/nouveau/nvkm/subdev/clk/gk20a.c:248:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
WARN_ON(best_delta == ~0);
^
arch/powerpc/include/asm/bug.h:98:25: note: in definition of macro 'WARN_ON'
int __ret_warn_on = !!(x); \
^
In file included from drivers/gpu/drm/nouveau/nvkm/subdev/clk/gk20a.c:29:0:
drivers/gpu/drm/nouveau/nvkm/subdev/clk/gk20a.c: In function '_gk20a_pllg_program_mnp':
drivers/gpu/drm/nouveau/include/nvkm/subdev/timer.h:48:59: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
} while (_taken = nvkm_timer_read(_tmr) - _time0, _taken < _nsecs); \
^
drivers/gpu/drm/nouveau/include/nvkm/subdev/timer.h:59:32: note: in expansion of macro 'nvkm_nsec'
#define nvkm_usec(d,u,cond...) nvkm_nsec((d), (u) * 1000, ##cond)
^~~~~~~~~
drivers/gpu/drm/nouveau/nvkm/subdev/clk/gk20a.c:411:6: note: in expansion of macro 'nvkm_usec'
if (nvkm_usec(device, 300,
^~~~~~~~~
drivers/gpu/drm/nouveau/include/nvkm/subdev/timer.h:50:13: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
if (_taken >= _nsecs) { \
^
drivers/gpu/drm/nouveau/include/nvkm/subdev/timer.h:59:32: note: in expansion of macro 'nvkm_nsec'
#define nvkm_usec(d,u,cond...) nvkm_nsec((d), (u) * 1000, ##cond)
^~~~~~~~~
drivers/gpu/drm/nouveau/nvkm/subdev/clk/gk20a.c:411:6: note: in expansion of macro 'nvkm_usec'
if (nvkm_usec(device, 300,
^~~~~~~~~
drivers/gpu/drm/nouveau/nvkm/subdev/clk/gk20a.c: In function 'gk20a_clk_new':
drivers/gpu/drm/nouveau/nvkm/subdev/clk/gk20a.c:658:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
for (i = 0; i < ARRAY_SIZE(gk20a_pstates); i++) {
^
cc1: some warnings being treated as errors
vim +/__div64_32 +48 include/asm-generic/div64.h
^1da177e4c3f41 Linus Torvalds 2005-04-16 36
^1da177e4c3f41 Linus Torvalds 2005-04-16 37 /* The unnecessary pointer compare is there
^1da177e4c3f41 Linus Torvalds 2005-04-16 38 * to check for type safety (n must be 64bit)
^1da177e4c3f41 Linus Torvalds 2005-04-16 39 */
^1da177e4c3f41 Linus Torvalds 2005-04-16 40 # define do_div(n,base) ({ \
^1da177e4c3f41 Linus Torvalds 2005-04-16 41 uint32_t __base = (base); \
^1da177e4c3f41 Linus Torvalds 2005-04-16 42 uint32_t __rem; \
^1da177e4c3f41 Linus Torvalds 2005-04-16 43 (void)(((typeof((n)) *)0) == ((uint64_t *)0)); \
^1da177e4c3f41 Linus Torvalds 2005-04-16 44 if (likely(((n) >> 32) == 0)) { \
^1da177e4c3f41 Linus Torvalds 2005-04-16 45 __rem = (uint32_t)(n) % __base; \
^1da177e4c3f41 Linus Torvalds 2005-04-16 46 (n) = (uint32_t)(n) / __base; \
^1da177e4c3f41 Linus Torvalds 2005-04-16 47 } else \
^1da177e4c3f41 Linus Torvalds 2005-04-16 @48 __rem = __div64_32(&(n), __base); \
^1da177e4c3f41 Linus Torvalds 2005-04-16 49 __rem; \
^1da177e4c3f41 Linus Torvalds 2005-04-16 50 })
^1da177e4c3f41 Linus Torvalds 2005-04-16 51
:::::: The code at line 48 was first introduced by commit
:::::: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Linux-2.6.12-rc2
:::::: TO: Linus Torvalds <torvalds@ppc970.osdl.org>
:::::: CC: Linus Torvalds <torvalds@ppc970.osdl.org>
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
reply other threads:[~2024-03-19 17:00 UTC|newest]
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