Re: [PATCH cgroup/for-4.3-fixes 1/2] Revert "cgroup: simplify threadgroup locking"

From	Christian Borntraeger <borntraeger@de.ibm.com>
Newsgroups	linux.kernel
Subject	Re: [PATCH cgroup/for-4.3-fixes 1/2] Revert "cgroup: simplify threadgroup locking"
Date	2015-09-16 20:50 +0200
Message-ID	<q9pWh-4mk-3@gated-at.bofh.it> (permalink)
References	<q8XdE-4lR-29@gated-at.bofh.it> <q9nhN-vs-31@gated-at.bofh.it>
Organization	linux.* mail to news gateway

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Both patches in combination
Tested-by: Christian Borntraeger <borntraeger@de.ibm.com> # on top of 4.3-rc1


As a side note, patch 2 does not apply cleanly on 4.2, so we probably need to 
provide a separate backport.

Christian

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[4.2] commit d59cfc09c32 (sched, cgroup: replace  signal_struct->group_rwsem with a global percpu_rwsem) causes regression for  libvirt/kvm Christian Borntraeger <borntraeger@de.ibm.com> - 2015-09-15 14:10 +0200
  Re: [4.2] commit d59cfc09c32 (sched, cgroup: replace  signal_struct->group_rwsem with a global percpu_rwsem) causes regression for  libvirt/kvm Peter Zijlstra <peterz@infradead.org> - 2015-09-15 15:10 +0200
    Re: [4.2] commit d59cfc09c32 (sched, cgroup: replace  signal_struct->group_rwsem with a global percpu_rwsem) causes regression for  libvirt/kvm Christian Borntraeger <borntraeger@de.ibm.com> - 2015-09-15 15:40 +0200
      Re: [4.2] commit d59cfc09c32 (sched, cgroup: replace  signal_struct->group_rwsem with a global percpu_rwsem) causes regression for  libvirt/kvm Tejun Heo <tj@kernel.org> - 2015-09-15 16:00 +0200
      Re: [4.2] commit d59cfc09c32 (sched, cgroup: replace  signal_struct->group_rwsem with a global percpu_rwsem) causes regression for  libvirt/kvm Paolo Bonzini <pbonzini@redhat.com> - 2015-09-15 18:50 +0200
        Re: [4.2] commit d59cfc09c32 (sched, cgroup: replace  signal_struct->group_rwsem with a global percpu_rwsem) causes regression for  libvirt/kvm "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> - 2015-09-15 19:40 +0200
          Re: [4.2] commit d59cfc09c32 (sched, cgroup: replace  signal_struct->group_rwsem with a global percpu_rwsem) causes regression for  libvirt/kvm Paolo Bonzini <pbonzini@redhat.com> - 2015-09-16 10:40 +0200
            Re: [4.2] commit d59cfc09c32 (sched, cgroup: replace  signal_struct->group_rwsem with a global percpu_rwsem) causes regression for  libvirt/kvm Christian Borntraeger <borntraeger@de.ibm.com> - 2015-09-16 11:00 +0200
              Re: [4.2] commit d59cfc09c32 (sched, cgroup: replace  signal_struct->group_rwsem with a global percpu_rwsem) causes regression for  libvirt/kvm Paolo Bonzini <pbonzini@redhat.com> - 2015-09-16 11:20 +0200
                Re: [4.2] commit d59cfc09c32 (sched, cgroup: replace  signal_struct->group_rwsem with a global percpu_rwsem) causes  regression for libvirt/kvm Oleg Nesterov <oleg@redhat.com> - 2015-09-16 14:30 +0200
                Re: [4.2] commit d59cfc09c32 (sched, cgroup: replace  signal_struct->group_rwsem with a global percpu_rwsem) causes regression for  libvirt/kvm Paolo Bonzini <pbonzini@redhat.com> - 2015-09-16 14:40 +0200
                Re: [4.2] commit d59cfc09c32 (sched, cgroup: replace  signal_struct->group_rwsem with a global percpu_rwsem) causes  regression for libvirt/kvm Oleg Nesterov <oleg@redhat.com> - 2015-09-16 14:50 +0200
                Re: [4.2] commit d59cfc09c32 (sched, cgroup: replace  signal_struct->group_rwsem with a global percpu_rwsem) causes regression for  libvirt/kvm Christian Borntraeger <borntraeger@de.ibm.com> - 2015-09-16 15:00 +0200
                Re: [4.2] commit d59cfc09c32 (sched, cgroup: replace  signal_struct->group_rwsem with a global percpu_rwsem) causes regression for  libvirt/kvm Tejun Heo <tj@kernel.org> - 2015-09-16 16:20 +0200
                Re: [4.2] commit d59cfc09c32 (sched, cgroup: replace  signal_struct->group_rwsem with a global percpu_rwsem) causes regression for  libvirt/kvm Paolo Bonzini <pbonzini@redhat.com> - 2015-09-16 16:20 +0200
        Re: [4.2] commit d59cfc09c32 (sched, cgroup: replace  signal_struct->group_rwsem with a global percpu_rwsem) causes regression for  libvirt/kvm Christian Borntraeger <borntraeger@de.ibm.com> - 2015-09-15 23:20 +0200
          Re: [4.2] commit d59cfc09c32 (sched, cgroup: replace  signal_struct->group_rwsem with a global percpu_rwsem) causes regression for  libvirt/kvm Tejun Heo <tj@kernel.org> - 2015-09-15 23:30 +0200
            Re: [4.2] commit d59cfc09c32 (sched, cgroup: replace  signal_struct->group_rwsem with a global percpu_rwsem) causes regression for  libvirt/kvm "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> - 2015-09-15 23:40 +0200
              Re: [4.2] commit d59cfc09c32 (sched, cgroup: replace  signal_struct->group_rwsem with a global percpu_rwsem) causes regression for  libvirt/kvm Tejun Heo <tj@kernel.org> - 2015-09-16 00:30 +0200
                Re: [4.2] commit d59cfc09c32 (sched, cgroup: replace  signal_struct->group_rwsem with a global percpu_rwsem) causes regression for  libvirt/kvm "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> - 2015-09-16 01:40 +0200
                Re: [4.2] commit d59cfc09c32 (sched, cgroup: replace  signal_struct->group_rwsem with a global percpu_rwsem) causes regression for  libvirt/kvm Tejun Heo <tj@kernel.org> - 2015-09-16 03:30 +0200
                Re: [4.2] commit d59cfc09c32 (sched, cgroup: replace  signal_struct->group_rwsem with a global percpu_rwsem) causes regression for  libvirt/kvm "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> - 2015-09-16 06:40 +0200
                Re: [4.2] commit d59cfc09c32 (sched, cgroup: replace  signal_struct->group_rwsem with a global percpu_rwsem) causes regression for  libvirt/kvm Tejun Heo <tj@kernel.org> - 2015-09-16 13:10 +0200
                Re: [4.2] commit d59cfc09c32 (sched, cgroup: replace  signal_struct->group_rwsem with a global percpu_rwsem) causes regression for  libvirt/kvm Christian Borntraeger <borntraeger@de.ibm.com> - 2015-09-16 09:50 +0200
                Re: [4.2] commit d59cfc09c32 (sched, cgroup: replace  signal_struct->group_rwsem with a global percpu_rwsem) causes regression for  libvirt/kvm Christian Borntraeger <borntraeger@de.ibm.com> - 2015-09-16 13:00 +0200
                Re: [4.2] commit d59cfc09c32 (sched, cgroup: replace  signal_struct->group_rwsem with a global percpu_rwsem) causes regression for  libvirt/kvm Tejun Heo <tj@kernel.org> - 2015-09-16 13:10 +0200
                Re: [4.2] commit d59cfc09c32 (sched, cgroup: replace  signal_struct->group_rwsem with a global percpu_rwsem) causes regression for  libvirt/kvm Christian Borntraeger <borntraeger@de.ibm.com> - 2015-09-16 14:00 +0200
  [PATCH cgroup/for-4.3-fixes 1/2] Revert "cgroup: simplify  threadgroup locking" Tejun Heo <tj@kernel.org> - 2015-09-16 18:00 +0200
    [PATCH cgroup/for-4.3-fixes 2/2] Revert "sched, cgroup: replace  signal_struct->group_rwsem with a global percpu_rwsem" Tejun Heo <tj@kernel.org> - 2015-09-16 18:00 +0200
    Re: [PATCH cgroup/for-4.3-fixes 1/2] Revert "cgroup: simplify  threadgroup locking" Oleg Nesterov <oleg@redhat.com> - 2015-09-16 19:10 +0200
    Re: [PATCH cgroup/for-4.3-fixes 1/2] Revert "cgroup: simplify  threadgroup locking" Christian Borntraeger <borntraeger@de.ibm.com> - 2015-09-16 20:50 +0200

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