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Message-ID: <9484e09b-4fba-2b8d-5922-75a830531b48@redhat.com> Date: Wed, 13 Oct 2021 17:08:01 -0400 From: Waiman Long <longman@...hat.com> To: Yanfei Xu <yanfei.xu@...driver.com>, peterz@...radead.org, mingo@...hat.com, will@...nel.org, boqun.feng@...il.com Cc: linux-kernel@...r.kernel.org Subject: Re: [PATCH V2 0/3] misc patches for mutex and rwsem On 10/13/21 9:41 AM, Yanfei Xu wrote: > [patch1] locking:remove rcu_read_lock/unlock as we already disabled preemption > v1->2: also remove the unnecessary rcu_read_lock/unlock in rwsem > > [patch2] locking/rwsem: disable preemption for spinning region > [patch3] locking/rwsem: fix comments about reader optimistic lock stealing conditions > These two patches were sent to mailing list some weeks ago, but it seemed > to be missed, so send them again. > > Yanfei Xu (3): > locking: remove rcu_read_lock/unlock as we already disabled preemption > locking/rwsem: disable preemption for spinning region > locking/rwsem: fix comments about reader optimistic lock stealing > conditions > > kernel/locking/mutex.c | 22 +++++++++++++++------- > kernel/locking/rwsem.c | 28 ++++++++++++++++++---------- > 2 files changed, 33 insertions(+), 17 deletions(-) > The patches look good to me. Thanks! For the series, Acked-by: Waiman Long <longman@...hat.com>
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