From: kernel test robot <lkp@intel.com>
To: Mike Christie <michael.christie@oracle.com>
Cc: oe-kbuild-all@lists.linux.dev
Subject: Re: [PATCH RFC 11/11] nvmet: Add nvmet-mdev-pci driver
Date: Fri, 14 Mar 2025 15:32:07 +0800 [thread overview]
Message-ID: <202503141558.D4bsoGmE-lkp@intel.com> (raw)
In-Reply-To: <20250313052222.178524-12-michael.christie@oracle.com>
Hi Mike,
[This is a private test report for your RFC patch.]
kernel test robot noticed the following build errors:
[auto build test ERROR on v6.14-rc6]
[also build test ERROR on linus/master next-20250313]
[cannot apply to linux-nvme/for-next]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]
url: https://github.com/intel-lab-lkp/linux/commits/Mike-Christie/nvmet-Remove-duplicate-uuid_copy/20250313-132742
base: v6.14-rc6
patch link: https://lore.kernel.org/r/20250313052222.178524-12-michael.christie%40oracle.com
patch subject: [PATCH RFC 11/11] nvmet: Add nvmet-mdev-pci driver
config: sh-allmodconfig (https://download.01.org/0day-ci/archive/20250314/202503141558.D4bsoGmE-lkp@intel.com/config)
compiler: sh4-linux-gcc (GCC) 14.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250314/202503141558.D4bsoGmE-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/202503141558.D4bsoGmE-lkp@intel.com/
All error/warnings (new ones prefixed by >>):
In file included from ./arch/sh/include/generated/asm/div64.h:1,
from include/linux/math.h:6,
from include/linux/kernel.h:27,
from include/linux/cpumask.h:11,
from include/linux/smp.h:13,
from include/linux/lockdep.h:14,
from include/linux/spinlock.h:63,
from include/linux/sched.h:2186,
from include/linux/ratelimit.h:6,
from include/linux/dev_printk.h:16,
from include/linux/device.h:15,
from drivers/nvme/target/mdev-pci/target.c:7:
drivers/nvme/target/mdev-pci/target.c: In function 'nvmet_mdev_adm_get_features':
include/asm-generic/div64.h:183:35: warning: comparison of distinct pointer types lacks a cast [-Wcompare-distinct-pointer-types]
183 | (void)(((typeof((n)) *)0) == ((uint64_t *)0)); \
| ^~
drivers/nvme/target/mdev-pci/target.c:186:17: note: in expansion of macro 'do_div'
186 | do_div(irqc->time, 100);
| ^~~~~~
In file included from include/linux/dev_printk.h:14:
>> include/asm-generic/div64.h:195:32: warning: right shift count >= width of type [-Wshift-count-overflow]
195 | } else if (likely(((n) >> 32) == 0)) { \
| ^~
include/linux/compiler.h:76:45: note: in definition of macro 'likely'
76 | # define likely(x) __builtin_expect(!!(x), 1)
| ^
drivers/nvme/target/mdev-pci/target.c:186:17: note: in expansion of macro 'do_div'
186 | do_div(irqc->time, 100);
| ^~~~~~
>> include/asm-generic/div64.h:199:36: error: passing argument 1 of '__div64_32' from incompatible pointer type [-Wincompatible-pointer-types]
199 | __rem = __div64_32(&(n), __base); \
| ^~~~
| |
| u8 * {aka unsigned char *}
drivers/nvme/target/mdev-pci/target.c:186:17: note: in expansion of macro 'do_div'
186 | do_div(irqc->time, 100);
| ^~~~~~
include/asm-generic/div64.h:174:38: note: expected 'uint64_t *' {aka 'long long unsigned int *'} but argument is of type 'u8 *' {aka 'unsigned char *'}
174 | extern uint32_t __div64_32(uint64_t *dividend, uint32_t divisor);
| ~~~~~~~~~~^~~~~~~~
--
In file included from arch/sh/include/generated/asm/div64.h:1,
from include/linux/math.h:6,
from include/linux/kernel.h:27,
from include/linux/cpumask.h:11,
from include/linux/smp.h:13,
from include/linux/lockdep.h:14,
from include/linux/spinlock.h:63,
from include/linux/sched.h:2186,
from include/linux/ratelimit.h:6,
from include/linux/dev_printk.h:16,
from include/linux/device.h:15,
from target.c:7:
target.c: In function 'nvmet_mdev_adm_get_features':
include/asm-generic/div64.h:183:35: warning: comparison of distinct pointer types lacks a cast [-Wcompare-distinct-pointer-types]
183 | (void)(((typeof((n)) *)0) == ((uint64_t *)0)); \
| ^~
target.c:186:17: note: in expansion of macro 'do_div'
186 | do_div(irqc->time, 100);
| ^~~~~~
In file included from include/linux/dev_printk.h:14:
>> include/asm-generic/div64.h:195:32: warning: right shift count >= width of type [-Wshift-count-overflow]
195 | } else if (likely(((n) >> 32) == 0)) { \
| ^~
include/linux/compiler.h:76:45: note: in definition of macro 'likely'
76 | # define likely(x) __builtin_expect(!!(x), 1)
| ^
target.c:186:17: note: in expansion of macro 'do_div'
186 | do_div(irqc->time, 100);
| ^~~~~~
>> include/asm-generic/div64.h:199:36: error: passing argument 1 of '__div64_32' from incompatible pointer type [-Wincompatible-pointer-types]
199 | __rem = __div64_32(&(n), __base); \
| ^~~~
| |
| u8 * {aka unsigned char *}
target.c:186:17: note: in expansion of macro 'do_div'
186 | do_div(irqc->time, 100);
| ^~~~~~
include/asm-generic/div64.h:174:38: note: expected 'uint64_t *' {aka 'long long unsigned int *'} but argument is of type 'u8 *' {aka 'unsigned char *'}
174 | extern uint32_t __div64_32(uint64_t *dividend, uint32_t divisor);
| ~~~~~~~~~~^~~~~~~~
vim +/__div64_32 +199 include/asm-generic/div64.h
^1da177e4c3f415 Linus Torvalds 2005-04-16 176
^1da177e4c3f415 Linus Torvalds 2005-04-16 177 /* The unnecessary pointer compare is there
^1da177e4c3f415 Linus Torvalds 2005-04-16 178 * to check for type safety (n must be 64bit)
^1da177e4c3f415 Linus Torvalds 2005-04-16 179 */
^1da177e4c3f415 Linus Torvalds 2005-04-16 180 # define do_div(n,base) ({ \
^1da177e4c3f415 Linus Torvalds 2005-04-16 181 uint32_t __base = (base); \
^1da177e4c3f415 Linus Torvalds 2005-04-16 182 uint32_t __rem; \
^1da177e4c3f415 Linus Torvalds 2005-04-16 183 (void)(((typeof((n)) *)0) == ((uint64_t *)0)); \
911918aa7ef6f86 Nicolas Pitre 2015-11-02 184 if (__builtin_constant_p(__base) && \
911918aa7ef6f86 Nicolas Pitre 2015-11-02 185 is_power_of_2(__base)) { \
911918aa7ef6f86 Nicolas Pitre 2015-11-02 186 __rem = (n) & (__base - 1); \
911918aa7ef6f86 Nicolas Pitre 2015-11-02 187 (n) >>= ilog2(__base); \
c747ce4706190ef Geert Uytterhoeven 2021-08-11 188 } else if (__builtin_constant_p(__base) && \
461a5e51060c93f Nicolas Pitre 2015-10-30 189 __base != 0) { \
461a5e51060c93f Nicolas Pitre 2015-10-30 190 uint32_t __res_lo, __n_lo = (n); \
461a5e51060c93f Nicolas Pitre 2015-10-30 191 (n) = __div64_const32(n, __base); \
461a5e51060c93f Nicolas Pitre 2015-10-30 192 /* the remainder can be computed with 32-bit regs */ \
461a5e51060c93f Nicolas Pitre 2015-10-30 193 __res_lo = (n); \
461a5e51060c93f Nicolas Pitre 2015-10-30 194 __rem = __n_lo - __res_lo * __base; \
911918aa7ef6f86 Nicolas Pitre 2015-11-02 @195 } else if (likely(((n) >> 32) == 0)) { \
^1da177e4c3f415 Linus Torvalds 2005-04-16 196 __rem = (uint32_t)(n) % __base; \
^1da177e4c3f415 Linus Torvalds 2005-04-16 197 (n) = (uint32_t)(n) / __base; \
c747ce4706190ef Geert Uytterhoeven 2021-08-11 198 } else { \
^1da177e4c3f415 Linus Torvalds 2005-04-16 @199 __rem = __div64_32(&(n), __base); \
c747ce4706190ef Geert Uytterhoeven 2021-08-11 200 } \
^1da177e4c3f415 Linus Torvalds 2005-04-16 201 __rem; \
^1da177e4c3f415 Linus Torvalds 2005-04-16 202 })
^1da177e4c3f415 Linus Torvalds 2005-04-16 203
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
next prev parent reply other threads:[~2025-03-14 7:32 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-03-13 5:18 [PATCH RFC 00/11] nvmet: Add NVMe target mdev/vfio driver Mike Christie
2025-03-13 5:18 ` [PATCH RFC 01/11] nvmet: Remove duplicate uuid_copy Mike Christie
2025-03-13 6:36 ` Christoph Hellwig
2025-03-13 8:59 ` Damien Le Moal
2025-03-13 17:20 ` Keith Busch
2025-03-13 5:18 ` [PATCH RFC 02/11] nvmet: Export nvmet_add_async_event and add definitions Mike Christie
2025-03-13 6:36 ` Christoph Hellwig
2025-03-13 17:50 ` Mike Christie
2025-03-13 5:18 ` [PATCH RFC 03/11] nvmet: Add nvmet_fabrics_ops flag to indicate SGLs not supported Mike Christie
2025-03-13 6:37 ` Christoph Hellwig
2025-03-13 9:02 ` Damien Le Moal
2025-03-13 9:13 ` Christoph Hellwig
2025-03-13 9:16 ` Damien Le Moal
2025-03-13 17:19 ` Mike Christie
2025-03-13 5:18 ` [PATCH RFC 04/11] nvmet: Add function to get nvmet_fabrics_ops from trtype Mike Christie
2025-03-13 9:03 ` Damien Le Moal
2025-03-13 5:18 ` [PATCH RFC 05/11] nvmet: Add function to print trtype Mike Christie
2025-03-13 5:18 ` [PATCH RFC 06/11] nvmet: Allow nvmet_alloc_ctrl users to specify the cntlid Mike Christie
2025-03-13 5:18 ` [PATCH RFC 07/11] nvmet: Add static controller support to configfs Mike Christie
2025-03-13 5:18 ` [PATCH RFC 08/11] nvmet: Add shadow doorbell support Mike Christie
2025-03-13 5:18 ` [PATCH RFC 09/11] nvmet: Add helpers to find and get static controllers Mike Christie
2025-03-13 5:18 ` [PATCH RFC 10/11] nvmet: Add addr fam and trtype for mdev pci driver Mike Christie
2025-03-13 6:42 ` Christoph Hellwig
2025-03-13 17:56 ` Mike Christie
2025-03-13 5:18 ` [PATCH RFC 11/11] nvmet: Add nvmet-mdev-pci driver Mike Christie
2025-03-14 7:32 ` kernel test robot [this message]
2025-03-13 5:32 ` [PATCH RFC 00/11] nvmet: Add NVMe target mdev/vfio driver Damien Le Moal
2025-03-13 6:47 ` Christoph Hellwig
2025-03-13 17:17 ` Mike Christie
2025-03-14 8:31 ` Hannes Reinecke
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