From: kernel test robot <lkp@intel.com>
To: "Xin Li (Intel)" <xin3.li@intel.com>
Cc: llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev,
linux-kernel@vger.kernel.org, x86@kernel.org,
Ingo Molnar <mingo@kernel.org>
Subject: [tip:x86/msr 5/19] drivers/accel/habanalabs/common/habanalabs_ioctl.c:326:23: error: call to undeclared function 'rdtsc'; ISO C99 and later do not support implicit function declarations
Date: Thu, 8 May 2025 00:41:00 +0800 [thread overview]
Message-ID: <202505080003.0t7ewxGp-lkp@intel.com> (raw)
tree: https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git x86/msr
head: 570d58b12fbf7bae0ba72d929ccf914a4df5ca7c
commit: efef7f184f2eaf29a1ca676712d0e6e851cd0191 [5/19] x86/msr: Add explicit includes of <asm/msr.h>
config: um-allmodconfig (https://download.01.org/0day-ci/archive/20250508/202505080003.0t7ewxGp-lkp@intel.com/config)
compiler: clang version 19.1.7 (https://github.com/llvm/llvm-project cd708029e0b2869e80abe31ddb175f7c35361f90)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250508/202505080003.0t7ewxGp-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/202505080003.0t7ewxGp-lkp@intel.com/
All errors (new ones prefixed by >>):
In file included from drivers/accel/habanalabs/common/habanalabs_ioctl.c:11:
In file included from drivers/accel/habanalabs/common/habanalabs.h:11:
In file included from include/linux/habanalabs/cpucp_if.h:12:
In file included from include/linux/if_ether.h:19:
In file included from include/linux/skbuff.h:17:
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/um/include/asm/hardirq.h:5:
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:12:
In file included from arch/um/include/asm/io.h:24:
include/asm-generic/io.h:549:31: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
549 | val = __raw_readb(PCI_IOBASE + addr);
| ~~~~~~~~~~ ^
include/asm-generic/io.h:567:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
567 | 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 drivers/accel/habanalabs/common/habanalabs_ioctl.c:11:
In file included from drivers/accel/habanalabs/common/habanalabs.h:11:
In file included from include/linux/habanalabs/cpucp_if.h:12:
In file included from include/linux/if_ether.h:19:
In file included from include/linux/skbuff.h:17:
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/um/include/asm/hardirq.h:5:
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:12:
In file included from arch/um/include/asm/io.h:24:
include/asm-generic/io.h:585:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
585 | 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 drivers/accel/habanalabs/common/habanalabs_ioctl.c:11:
In file included from drivers/accel/habanalabs/common/habanalabs.h:11:
In file included from include/linux/habanalabs/cpucp_if.h:12:
In file included from include/linux/if_ether.h:19:
In file included from include/linux/skbuff.h:17:
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/um/include/asm/hardirq.h:5:
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:12:
In file included from arch/um/include/asm/io.h:24:
include/asm-generic/io.h:601:33: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
601 | __raw_writeb(value, PCI_IOBASE + addr);
| ~~~~~~~~~~ ^
include/asm-generic/io.h:616:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
616 | __raw_writew((u16 __force)cpu_to_le16(value), PCI_IOBASE + addr);
| ~~~~~~~~~~ ^
include/asm-generic/io.h:631:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
631 | __raw_writel((u32 __force)cpu_to_le32(value), PCI_IOBASE + addr);
| ~~~~~~~~~~ ^
include/asm-generic/io.h:724:20: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
724 | readsb(PCI_IOBASE + addr, buffer, count);
| ~~~~~~~~~~ ^
include/asm-generic/io.h:737:20: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
737 | readsw(PCI_IOBASE + addr, buffer, count);
| ~~~~~~~~~~ ^
include/asm-generic/io.h:750:20: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
750 | readsl(PCI_IOBASE + addr, buffer, count);
| ~~~~~~~~~~ ^
include/asm-generic/io.h:764:21: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
764 | writesb(PCI_IOBASE + addr, buffer, count);
| ~~~~~~~~~~ ^
include/asm-generic/io.h:778:21: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
778 | writesw(PCI_IOBASE + addr, buffer, count);
| ~~~~~~~~~~ ^
include/asm-generic/io.h:792:21: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
792 | writesl(PCI_IOBASE + addr, buffer, count);
| ~~~~~~~~~~ ^
>> drivers/accel/habanalabs/common/habanalabs_ioctl.c:326:23: error: call to undeclared function 'rdtsc'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
326 | time_sync.tsc_time = rdtsc();
| ^
12 warnings and 1 error generated.
vim +/rdtsc +326 drivers/accel/habanalabs/common/habanalabs_ioctl.c
52c01b0137193ab drivers/misc/habanalabs/habanalabs_ioctl.c Moti Haimovski 2019-11-03 314
25e7aeba601c177 drivers/misc/habanalabs/habanalabs_ioctl.c Tomer Tayar 2020-03-31 315 static int time_sync_info(struct hl_device *hdev, struct hl_info_args *args)
25e7aeba601c177 drivers/misc/habanalabs/habanalabs_ioctl.c Tomer Tayar 2020-03-31 316 {
25e7aeba601c177 drivers/misc/habanalabs/habanalabs_ioctl.c Tomer Tayar 2020-03-31 317 struct hl_info_time_sync time_sync = {0};
25e7aeba601c177 drivers/misc/habanalabs/habanalabs_ioctl.c Tomer Tayar 2020-03-31 318 u32 max_size = args->return_size;
25e7aeba601c177 drivers/misc/habanalabs/habanalabs_ioctl.c Tomer Tayar 2020-03-31 319 void __user *out = (void __user *) (uintptr_t) args->return_pointer;
25e7aeba601c177 drivers/misc/habanalabs/habanalabs_ioctl.c Tomer Tayar 2020-03-31 320
25e7aeba601c177 drivers/misc/habanalabs/habanalabs_ioctl.c Tomer Tayar 2020-03-31 321 if ((!max_size) || (!out))
25e7aeba601c177 drivers/misc/habanalabs/habanalabs_ioctl.c Tomer Tayar 2020-03-31 322 return -EINVAL;
25e7aeba601c177 drivers/misc/habanalabs/habanalabs_ioctl.c Tomer Tayar 2020-03-31 323
25e7aeba601c177 drivers/misc/habanalabs/habanalabs_ioctl.c Tomer Tayar 2020-03-31 324 time_sync.device_time = hdev->asic_funcs->get_device_time(hdev);
25e7aeba601c177 drivers/misc/habanalabs/habanalabs_ioctl.c Tomer Tayar 2020-03-31 325 time_sync.host_time = ktime_get_raw_ns();
0648c4d0806fe16 drivers/accel/habanalabs/common/habanalabs_ioctl.c Hen Alon 2023-08-09 @326 time_sync.tsc_time = rdtsc();
25e7aeba601c177 drivers/misc/habanalabs/habanalabs_ioctl.c Tomer Tayar 2020-03-31 327
25e7aeba601c177 drivers/misc/habanalabs/habanalabs_ioctl.c Tomer Tayar 2020-03-31 328 return copy_to_user(out, &time_sync,
25e7aeba601c177 drivers/misc/habanalabs/habanalabs_ioctl.c Tomer Tayar 2020-03-31 329 min((size_t) max_size, sizeof(time_sync))) ? -EFAULT : 0;
25e7aeba601c177 drivers/misc/habanalabs/habanalabs_ioctl.c Tomer Tayar 2020-03-31 330 }
25e7aeba601c177 drivers/misc/habanalabs/habanalabs_ioctl.c Tomer Tayar 2020-03-31 331
:::::: The code at line 326 was first introduced by commit
:::::: 0648c4d0806fe167fe699299573100507ae99502 accel/habanalabs: add tsc clock sampling to clock sync info
:::::: TO: Hen Alon <halon@habana.ai>
:::::: CC: Oded Gabbay <ogabbay@kernel.org>
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
next reply other threads:[~2025-05-07 16:41 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-05-07 16:41 kernel test robot [this message]
2025-05-07 18:40 ` [tip: x86/msr] accel/habanalabs: Add explicit include of <asm/tsc.h> to pick up the rdtsc() definition tip-bot2 for Ingo Molnar
2025-05-07 18:40 ` [tip: x86/msr] um: Add UML version of <asm/tsc.h> to define rdtsc() tip-bot2 for Ingo Molnar
2025-05-07 18:47 ` Ingo Molnar
2025-05-07 20:36 ` Johannes Berg
2025-05-08 8:57 ` [PATCH -v2] accel/habanalabs: Don't build the driver on UML Ingo Molnar
2025-05-08 9:02 ` Johannes Berg
2025-05-08 9:03 ` Ingo Molnar
2025-05-08 9:09 ` [tip: x86/msr] " tip-bot2 for Ingo Molnar
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=202505080003.0t7ewxGp-lkp@intel.com \
--to=lkp@intel.com \
--cc=linux-kernel@vger.kernel.org \
--cc=llvm@lists.linux.dev \
--cc=mingo@kernel.org \
--cc=oe-kbuild-all@lists.linux.dev \
--cc=x86@kernel.org \
--cc=xin3.li@intel.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox