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Diffstat (limited to 'ChangeLog')
| -rw-r--r-- | ChangeLog | 14 |
1 files changed, 14 insertions, 0 deletions
@@ -1,3 +1,17 @@ +2019-01-18 Florian Weimer <fweimer@redhat.com> + + malloc: Revert commit 6923f6db1e688dedcf3a6556da76e0bf24a41872 + ("malloc: Use current (C11-style) atomics for fastbin access"). + This commit introduces a substantial performance regression on + POWER and Aarch64. + * malloc/malloc.c (fastbin_push_entry, fastbin_pop_entry): Remove. + (REMOVE_FB): Define. + (_int_malloc): Use it and reindent. + (_int_free): Use CAS loop with + catomic_compare_and_exchange_val_rel. + (malloc_consolidate): Use atomic_exchange_acq. + + 2019-01-18 H.J. Lu <hongjiu.lu@intel.com> * signal/Makefile (LDFLAGS-tst-minsigstksz-1): New. Set to |