Hi David,
First bad commit (maybe != root cause):
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 8cae8cd89f05f6de223d63e6d15e31c8ba9cf53b
commit: 30b5c851af7991ad08abe90c1e7c31615fa98a1a KVM: x86/xen: Add support for vCPU runstate information
config: x86_64-rhel-8.3-kselftests (attached as .config)
compiler: gcc-10 (Ubuntu 10.3.0-1ubuntu1~20.04) 10.3.0
reproduce:
# apt-get install sparse
# sparse version: v0.6.3-341-g8af24329-dirty
# https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=30b5c851af7991ad08abe90c1e7c31615fa98a1a
git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
git fetch --no-tags linus master
git checkout 30b5c851af7991ad08abe90c1e7c31615fa98a1a
# save the attached .config to linux build tree
make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' ARCH=x86_64
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <[email protected]>
All warnings (new ones prefixed by >>):
x86_64/xen_shinfo_test.c: In function 'get_run_delay':
>> x86_64/xen_shinfo_test.c:109:9: warning: ignoring return value of 'fscanf' declared with attribute 'warn_unused_result' [-Wunused-result]
109 | fscanf(fp, "%ld %ld ", &val[0], &val[1]);
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
---
0-DAY CI Kernel Test Service, Intel Corporation
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