* [arm-integrator:virt-to-pfn-v6.2-rc3 7/20] arch/arm64/kernel/vdso.c:293:45: warning: passing argument 1 of 'virt_to_pfn' makes pointer from integer without a cast
@ 2023-02-08 13:41 kernel test robot
0 siblings, 0 replies; only message in thread
From: kernel test robot @ 2023-02-08 13:41 UTC (permalink / raw)
To: Linus Walleij; +Cc: oe-kbuild-all
tree: https://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-integrator.git virt-to-pfn-v6.2-rc3
head: e7b124e682b6f0adf09d2bb405e70bee2024175f
commit: 6e863d123cc67f8fb660aa54f971a01ddc56b5b2 [7/20] arm64: memory: Make virt_to_pfn() a static inline
config: arm64-allyesconfig (https://download.01.org/0day-ci/archive/20230208/202302082128.V2hlDTh8-lkp@intel.com/config)
compiler: aarch64-linux-gcc (GCC) 12.1.0
reproduce (this is a W=1 build):
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# https://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-integrator.git/commit/?id=6e863d123cc67f8fb660aa54f971a01ddc56b5b2
git remote add arm-integrator https://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-integrator.git
git fetch --no-tags arm-integrator virt-to-pfn-v6.2-rc3
git checkout 6e863d123cc67f8fb660aa54f971a01ddc56b5b2
# save the config file
mkdir build_dir && cp config build_dir/.config
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=arm64 olddefconfig
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=arm64 SHELL=/bin/bash arch/arm64/kernel/ drivers/net/xen-netback/
If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@intel.com>
All warnings (new ones prefixed by >>):
In file included from arch/arm64/include/asm/memory.h:322,
from arch/arm64/include/asm/thread_info.h:17,
from include/linux/thread_info.h:60,
from arch/arm64/include/asm/preempt.h:6,
from include/linux/preempt.h:78,
from include/linux/smp.h:110,
from arch/arm64/include/asm/arch_timer.h:18,
from arch/arm64/include/asm/timex.h:8,
from include/linux/timex.h:67,
from include/linux/clocksource.h:13,
from arch/arm64/kernel/vdso.c:11:
arch/arm64/kernel/vdso.c: In function 'aarch32_alloc_kuser_vdso_page':
>> arch/arm64/kernel/vdso.c:293:45: warning: passing argument 1 of 'virt_to_pfn' makes pointer from integer without a cast [-Wint-conversion]
293 | aarch32_vectors_page = virt_to_page(vdso_page);
| ^~~~~~~~~
| |
| long unsigned int
include/asm-generic/memory_model.h:25:45: note: in definition of macro '__pfn_to_page'
25 | #define __pfn_to_page(pfn) (vmemmap + (pfn))
| ^~~
arch/arm64/kernel/vdso.c:293:32: note: in expansion of macro 'virt_to_page'
293 | aarch32_vectors_page = virt_to_page(vdso_page);
| ^~~~~~~~~~~~
arch/arm64/include/asm/memory.h:324:53: note: expected 'const void *' but argument is of type 'long unsigned int'
324 | static inline unsigned long virt_to_pfn(const void *kaddr)
| ~~~~~~~~~~~~^~~~~
--
In file included from arch/arm64/include/asm/memory.h:322,
from arch/arm64/include/asm/thread_info.h:17,
from include/linux/thread_info.h:60,
from arch/arm64/include/asm/preempt.h:6,
from include/linux/preempt.h:78,
from include/linux/smp.h:110,
from arch/arm64/include/asm/arch_timer.h:18,
from arch/arm64/include/asm/timex.h:8,
from include/linux/timex.h:67,
from include/linux/time32.h:13,
from include/linux/time.h:60,
from arch/arm64/include/asm/stat.h:12,
from include/linux/stat.h:6,
from include/linux/module.h:13,
from drivers/net/xen-netback/common.h:32,
from drivers/net/xen-netback/netback.c:35:
drivers/net/xen-netback/netback.c: In function 'xenvif_fill_frags':
>> drivers/net/xen-netback/netback.c:671:37: warning: passing argument 1 of 'virt_to_pfn' makes pointer from integer without a cast [-Wint-conversion]
671 | page = virt_to_page(idx_to_kaddr(queue, pending_idx));
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
| |
| long unsigned int
include/asm-generic/memory_model.h:25:45: note: in definition of macro '__pfn_to_page'
25 | #define __pfn_to_page(pfn) (vmemmap + (pfn))
| ^~~
drivers/net/xen-netback/netback.c:671:24: note: in expansion of macro 'virt_to_page'
671 | page = virt_to_page(idx_to_kaddr(queue, pending_idx));
| ^~~~~~~~~~~~
arch/arm64/include/asm/memory.h:324:53: note: expected 'const void *' but argument is of type 'long unsigned int'
324 | static inline unsigned long virt_to_pfn(const void *kaddr)
| ~~~~~~~~~~~~^~~~~
drivers/net/xen-netback/netback.c: In function 'xenvif_tx_build_gops':
drivers/net/xen-netback/netback.c:886:21: warning: variable 'pending_idx' set but not used [-Wunused-but-set-variable]
886 | u16 pending_idx;
| ^~~~~~~~~~~
vim +/virt_to_pfn +293 arch/arm64/kernel/vdso.c
9031fefde6f2ac Will Deacon 2012-03-05 277
1255a7341bee6c Vincenzo Frascino 2019-04-15 278 static int aarch32_alloc_kuser_vdso_page(void)
9031fefde6f2ac Will Deacon 2012-03-05 279 {
9031fefde6f2ac Will Deacon 2012-03-05 280 extern char __kuser_helper_start[], __kuser_helper_end[];
9031fefde6f2ac Will Deacon 2012-03-05 281 int kuser_sz = __kuser_helper_end - __kuser_helper_start;
1255a7341bee6c Vincenzo Frascino 2019-04-15 282 unsigned long vdso_page;
9031fefde6f2ac Will Deacon 2012-03-05 283
af1b3cf2c2a3f4 Vincenzo Frascino 2019-04-15 284 if (!IS_ENABLED(CONFIG_KUSER_HELPERS))
af1b3cf2c2a3f4 Vincenzo Frascino 2019-04-15 285 return 0;
af1b3cf2c2a3f4 Vincenzo Frascino 2019-04-15 286
7cd6ca1d790226 Will Deacon 2021-03-18 287 vdso_page = get_zeroed_page(GFP_KERNEL);
1255a7341bee6c Vincenzo Frascino 2019-04-15 288 if (!vdso_page)
0d747f6585954d Vincenzo Frascino 2019-04-15 289 return -ENOMEM;
9031fefde6f2ac Will Deacon 2012-03-05 290
1255a7341bee6c Vincenzo Frascino 2019-04-15 291 memcpy((void *)(vdso_page + 0x1000 - kuser_sz), __kuser_helper_start,
1255a7341bee6c Vincenzo Frascino 2019-04-15 292 kuser_sz);
74fc72e77dc5c8 Mark Rutland 2020-04-28 @293 aarch32_vectors_page = virt_to_page(vdso_page);
1255a7341bee6c Vincenzo Frascino 2019-04-15 294 return 0;
0d747f6585954d Vincenzo Frascino 2019-04-15 295 }
9031fefde6f2ac Will Deacon 2012-03-05 296
:::::: The code at line 293 was first introduced by commit
:::::: 74fc72e77dc5c8033d1b47d2c8a7229b4b83a746 arm64: vdso: remove aarch32_vdso_pages[]
:::::: TO: Mark Rutland <mark.rutland@arm.com>
:::::: CC: Will Deacon <will@kernel.org>
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests
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2023-02-08 13:41 [arm-integrator:virt-to-pfn-v6.2-rc3 7/20] arch/arm64/kernel/vdso.c:293:45: warning: passing argument 1 of 'virt_to_pfn' makes pointer from integer without a cast kernel test robot
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