From: kernel test robot <lkp@intel.com>
To: Thomas Gleixner <tglx@linutronix.de>
Cc: llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev
Subject: [tglx-devel:rseq/cid 60/64] kernel/sched/sched.h:3595:30: error: expected expression
Date: Thu, 16 Oct 2025 09:06:49 +0800 [thread overview]
Message-ID: <202510160847.giQBj835-lkp@intel.com> (raw)
tree: https://git.kernel.org/pub/scm/linux/kernel/git/tglx/devel.git rseq/cid
head: e196d67a03daa4beb27afc2961845664ac3ef3d5
commit: a430e9c31893c17c9c13bcef7dfbdad1aa857761 [60/64] sched/mmcid: Provide new scheduler CID mechanism
config: s390-allmodconfig (https://download.01.org/0day-ci/archive/20251016/202510160847.giQBj835-lkp@intel.com/config)
compiler: clang version 18.1.8 (https://github.com/llvm/llvm-project 3b5b5c1ec4a3095ab096dd780e84d7ab81f3d7ff)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251016/202510160847.giQBj835-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/202510160847.giQBj835-lkp@intel.com/
All errors (new ones prefixed by >>):
In file included from kernel/sched/core.c:89:
>> kernel/sched/sched.h:3595:30: error: expected expression
3595 | for (; cid == MM_CID_UNSET; cpu_relax())
| ^
arch/s390/include/asm/processor.h:291:21: note: expanded from macro 'cpu_relax'
291 | #define cpu_relax() barrier()
| ^
include/linux/compiler.h:85:20: note: expanded from macro 'barrier'
85 | # define barrier() __asm__ __volatile__("": : :"memory")
| ^
In file included from kernel/sched/core.c:89:
>> kernel/sched/sched.h:3595:30: error: expected ')'
arch/s390/include/asm/processor.h:291:21: note: expanded from macro 'cpu_relax'
291 | #define cpu_relax() barrier()
| ^
include/linux/compiler.h:85:20: note: expanded from macro 'barrier'
85 | # define barrier() __asm__ __volatile__("": : :"memory")
| ^
kernel/sched/sched.h:3595:6: note: to match this '('
3595 | for (; cid == MM_CID_UNSET; cpu_relax())
| ^
2 errors generated.
vim +3595 kernel/sched/sched.h
3590
3591 static inline unsigned int mm_get_cid(struct mm_struct *mm)
3592 {
3593 unsigned int cid = __mm_get_cid(mm, READ_ONCE(mm->mm_cid.max_cids));
3594
> 3595 for (; cid == MM_CID_UNSET; cpu_relax())
3596 cid = __mm_get_cid(mm, nr_cpu_ids);
3597
3598 return cid;
3599 }
3600
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
reply other threads:[~2025-10-16 1:07 UTC|newest]
Thread overview: [no followups] expand[flat|nested] mbox.gz Atom feed
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=202510160847.giQBj835-lkp@intel.com \
--to=lkp@intel.com \
--cc=llvm@lists.linux.dev \
--cc=oe-kbuild-all@lists.linux.dev \
--cc=tglx@linutronix.de \
/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