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: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-05-07 16:41 kernel test robot [this message]
[not found] ` <174664324585.406.10812098910624084030.tip-bot2@tip-bot2>
2025-05-07 20:36 ` [tip: x86/msr] um: Add UML version of <asm/tsc.h> to define rdtsc() 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
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 an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.