[PATCH] D100348: [hwasan] Fix lock contention on thread creation.

[Evgenii Stepanov via Phabricator via llvm-commits]

eugenis added inline comments.


================
Comment at: compiler-rt/lib/hwasan/hwasan_thread_list.h:92
       SpinMutexLock l(&list_mutex_);
       if (!free_list_.empty()) {
         t = free_list_.back();
----------------
vitalybuka wrote:
> unrelated to the patch but maybe free_list_ and live_list_ could have each own mutex
I've actually tried this and could not see a measurable perf improvement.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D100348/new/

https://reviews.llvm.org/D100348