[PATCH v3 0/4] Simple wait queue support

[Daniel Wagner]

Hi,

Only small updates in this version, like fixing mips and reordering
two patches to avoid lockdep warning when doing git bissect.  Reported
by Fengguang Wu's build robot. Thanks!

Also removed the unnecessary initialization in the rcu patch as Paul
pointed out.

Hopefully, I do a better job on Cc list this time.

These patches are against

  tip/master 11f4d95e6b634d7d41e7c2b521fcec261efbf769

also available as git tree:

  git://git.kernel.org/pub/scm/linux/kernel/git/wagi/linux.git tip-swait

cheers,
daniel

changes since v2
 - rebased again on tip/master. The patches apply
   cleanly on v4.3-rc6 too.
 - fixed up mips
 - reordered patches to avoid lockdep warning when doing bissect.
 - remove unnecessary initialization of rsp->rda in rcu_init_one().

changes since v1 (PATCH v0)
 - rebased and fixed some typos found by cross building
   for S390, ARM and powerpc. For some unknown reason didn't catch
   them last time.
 - dropped completion patches because it is not clear yet
   how to handle complete_all() calls hard-irq/atomic contexts
   and swake_up_all.

changes since v0 (RFC v0)
 - promoted the series to PATCH state instead of RFC
 - fixed a few fallouts with build all and some cross compilers
   such ARM, PowerPC, S390.
 - Added the simple waitqueue transformation for KVM from -rt
   including some numbers requested by Paolo.
 - Added a commit message to PeterZ's patch. Hope he likes it.

[I got the numbering wrong in v1, so instead 'PATCH v1' you find it
 as 'PATCH v0' series]

v1: http://lwn.net/Articles/656942/
v0: http://lwn.net/Articles/653586/

Daniel Wagner (1):
  rcu: Do not call rcu_nocb_gp_cleanup() while holding rnp->lock

Marcelo Tosatti (1):
  KVM: use simple waitqueue for vcpu->wq

Paul Gortmaker (1):
  rcu: use simple wait queues where possible in rcutree

Peter Zijlstra (Intel) (1):
  wait.[ch]: Introduce the simple waitqueue (swait) implementation

 arch/arm/kvm/arm.c                  |   4 +-
 arch/arm/kvm/psci.c                 |   4 +-
 arch/mips/kvm/mips.c                |   8 +-
 arch/powerpc/include/asm/kvm_host.h |   4 +-
 arch/powerpc/kvm/book3s_hv.c        |  23 +++--
 arch/s390/include/asm/kvm_host.h    |   2 +-
 arch/s390/kvm/interrupt.c           |   8 +-
 arch/x86/kvm/lapic.c                |   6 +-
 include/linux/kvm_host.h            |   5 +-
 include/linux/swait.h               | 172 ++++++++++++++++++++++++++++++++++++
 kernel/rcu/tree.c                   |  16 ++--
 kernel/rcu/tree.h                   |  10 ++-
 kernel/rcu/tree_plugin.h            |  32 ++++---
 kernel/sched/Makefile               |   2 +-
 kernel/sched/swait.c                | 122 +++++++++++++++++++++++++
 virt/kvm/async_pf.c                 |   4 +-
 virt/kvm/kvm_main.c                 |  17 ++--
 17 files changed, 373 insertions(+), 66 deletions(-)
 create mode 100644 include/linux/swait.h
 create mode 100644 kernel/sched/swait.c

-- 
2.4.3

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