path: root/virt/kvm/kvm_main.c
diff options
authorBen Gardon <>2021-02-02 10:57:13 -0800
committerPaolo Bonzini <>2021-02-04 05:27:43 -0500
commita09a689a534183c48f200bc2de1ae61ae9c462ad (patch)
tree6d22a4c3a93f604b29d200434191480124e166f8 /virt/kvm/kvm_main.c
parent26128cb6c7e6731fe644c687af97733adfdb5ee9 (diff)
sched: Add needbreak for rwlocks
Contention awareness while holding a spin lock is essential for reducing latency when long running kernel operations can hold that lock. Add the same contention detection interface for read/write spin locks. CC: Ingo Molnar <> CC: Will Deacon <> Acked-by: Peter Zijlstra <> Acked-by: Davidlohr Bueso <> Acked-by: Waiman Long <> Acked-by: Paolo Bonzini <> Signed-off-by: Ben Gardon <> Message-Id: <> Signed-off-by: Paolo Bonzini <>
Diffstat (limited to 'virt/kvm/kvm_main.c')
0 files changed, 0 insertions, 0 deletions