RCU: forking fix and cleanups

[Qemu-devel] [PATCH for-2.10 0/2] RCU: forking fix and cleanups

Paolo Bonzini posted 2 patches 6 years, 8 months ago

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git fetch https://github.com/patchew-project/qemu tags/patchew/20170804161452.17413-1-pbonzini@redhat.com

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include/qemu/rcu.h   |  7 ++++++-
linux-user/syscall.c |  1 -
os-posix.c           |  2 --
util/rcu.c           | 30 +++++++++++++++++++++++++++---
vl.c                 |  1 +
5 files changed, 34 insertions(+), 7 deletions(-)

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[Qemu-devel] [PATCH for-2.10 0/2] RCU: forking fix and cleanups

Posted by Paolo Bonzini 6 years, 8 months ago

The first patch fixes a migration deadlock.  The second reverts
a now-unnecessary hack (introduced to support the pre-MTTCG "kick
the CPU thread" special behavior of qemu_mutex_lock_iothread).

Paolo

Paolo Bonzini (2):
  rcu: completely disable pthread_atfork callbacks as soon as possible
  Revert "rcu: do not create thread in pthread_atfork callback"

 include/qemu/rcu.h   |  7 ++++++-
 linux-user/syscall.c |  1 -
 os-posix.c           |  2 --
 util/rcu.c           | 30 +++++++++++++++++++++++++++---
 vl.c                 |  1 +
 5 files changed, 34 insertions(+), 7 deletions(-)

-- 
2.13.3