On Wed, Mar 24, 2021 at 12:15:47PM +0100, Vitaly Wool wrote: > On Wed, Mar 24, 2021, 11:16 AM <guo...@kernel.org> wrote: > > > From: Guo Ren <guo...@linux.alibaba.com> > > > > This patch introduces a ticket lock implementation for riscv, along the > > same lines as the implementation for arch/arm & arch/csky. > > > > Could you please provide a rationale for this? Like, what is wrong with the > current implementation.
test-and-set spinlocks have terrible worst case behaviour.
