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| author | Heiko Carstens <hca@linux.ibm.com> | 2023-01-04 16:55:53 +0100 |
|---|---|---|
| committer | Heiko Carstens <hca@linux.ibm.com> | 2023-01-04 17:54:50 +0100 |
| commit | b33d59fb37ddcb6ee65d4fa23cc3d58793d13c5b (patch) | |
| tree | 27f32dfe10f7a2080a628f61e44c9ec4a8d97aa6 /mm/hugetlb.c | |
| parent | 739ad2e4e15b585a0eaf98b7bdee62b2dd9588c9 (diff) | |
s390/uaccess: avoid __ashlti3() call
__cmpxchg_user_key() uses 128 bit types which, depending on compiler
and config options, may lead to an __ashlti3() library call.
Get rid of that by simply casting the 128 bit values to 32 bit values.
Reported-by: kernel test robot <lkp@intel.com>
Suggested-by: Janis Schoetterl-Glausch <scgl@linux.ibm.com>
Fixes: 51098f0eb22e ("s390/cmpxchg: make loop condition for 1,2 byte cases precise")
Link: https://lore.kernel.org/all/4b96b112d5415d08a81d30657feec2c8c3000f7c.camel@linux.ibm.com/
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
Diffstat (limited to 'mm/hugetlb.c')
0 files changed, 0 insertions, 0 deletions