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SubjectRe: [PATCH v3 0/4] Simple wait queue support
On Tue, Oct 20, 2015 at 09:28:06AM +0200, Daniel Wagner wrote:
> 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

I didn't find this commit, so I am (temporarily!) applying against
19a5ecde086a (rcu: Suppress lockdep false positive for rcp->exp_funnel_mutex)
for testing purposes. RCU appears to be a bit of a moving target here...

Thanx, Paul

> 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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