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Groups > linux.kernel > #1320764
| From | Daniel Wagner <daniel.wagner@bmw-carit.de> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | [PATCH tip v6 0/5] Simple wait queue support |
| Date | 2016-01-28 16:00 +0100 |
| Message-ID | <qVWdc-4Sp-19@gated-at.bofh.it> (permalink) |
| Organization | linux.* mail to news gateway |
Hi, The -Werror=incompatible-pointer-types compiler flag is now unconditionally added. The compile test with various configurations and architectures didn't show up any show problem. *fingers crossed* Obviously, the series is rebased and I rerun the KVM tests to gather more up to date values. That's all for this version. These patches are against tip/sched/core 0905f04eb21fc1c2e690bed5d0418a061d56c225 also available as git tree: git://git.kernel.org/pub/scm/linux/kernel/git/wagi/linux.git tip-swait cheers, daniel changes since v5: - unconditionally add -Werror=incompatible-pointer-types - updated KVM statistics in commit message - rebased on tip/sched/core - added ack-by PeterZ changes since v4: - replaced patch #2 which tried to force to compiler to exit with an error by using compile time assertion type check macros. Instead use -Werror=incompatible-pointer-types to tell the compiler to barf loudly. - fixed wrong API usage in patch 4 as reported by Boqun. changes since v3 - rebased it on tip/sched/core (KVM bits have changed slightly) - added compile time type check assertion - added non lazy version of swake_up_locked() 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] v5: https://lkml.org/lkml/2015/11/30/318 v4: https://lwn.net/Articles/665655/ v3: https://lwn.net/Articles/661415/ v2: https://lwn.net/Articles/660628/ v1: https://lwn.net/Articles/656942/ v0: https://lwn.net/Articles/653586/ Daniel Wagner (2): kbuild: Add option to turn incompatible pointer check into error 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 Makefile | 3 + 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 | 4 +- arch/x86/kvm/lapic.c | 6 +- include/linux/kvm_host.h | 5 +- include/linux/swait.h | 172 ++++++++++++++++++++++++++++++++++++ kernel/rcu/tree.c | 24 ++--- kernel/rcu/tree.h | 12 +-- kernel/rcu/tree_plugin.h | 32 ++++--- kernel/sched/Makefile | 2 +- kernel/sched/swait.c | 123 ++++++++++++++++++++++++++ virt/kvm/async_pf.c | 4 +- virt/kvm/kvm_main.c | 17 ++-- 18 files changed, 380 insertions(+), 69 deletions(-) create mode 100644 include/linux/swait.h create mode 100644 kernel/sched/swait.c -- 2.5.0
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[PATCH tip v6 0/5] Simple wait queue support Daniel Wagner <daniel.wagner@bmw-carit.de> - 2016-01-28 16:00 +0100
[PATCH tip v6 5/5] rcu: use simple wait queues where possible in rcutree Daniel Wagner <daniel.wagner@bmw-carit.de> - 2016-01-28 16:00 +0100
[PATCH] MIPS: Differentiate between 32 and 64 bit ELF header Daniel Wagner <daniel.wagner@bmw-carit.de> - 2016-01-29 14:30 +0100
Re: [PATCH] MIPS: Differentiate between 32 and 64 bit ELF header "Maciej W. Rozycki" <macro@imgtec.com> - 2016-02-01 02:00 +0100
Re: [PATCH] MIPS: Differentiate between 32 and 64 bit ELF header Daniel Wagner <daniel.wagner@bmw-carit.de> - 2016-02-01 17:10 +0100
Re: [PATCH] MIPS: Differentiate between 32 and 64 bit ELF header "Maciej W. Rozycki" <macro@imgtec.com> - 2016-02-06 18:20 +0100
[PATCH v3 0/3] Differentiate between 32 and 64 bit ELF header Daniel Wagner <daniel.wagner@bmw-carit.de> - 2016-02-08 16:50 +0100
[PATCH v3 3/3] mips: Differentiate between 32 and 64 bit ELF header Daniel Wagner <daniel.wagner@bmw-carit.de> - 2016-02-08 16:50 +0100
Re: [PATCH v3 3/3] mips: Differentiate between 32 and 64 bit ELF header kbuild test robot <lkp@intel.com> - 2016-02-08 17:30 +0100
Re: [PATCH v3 3/3] mips: Differentiate between 32 and 64 bit ELF header Daniel Wagner <daniel.wagner@bmw-carit.de> - 2016-02-09 09:10 +0100
Re: [PATCH v3 3/3] mips: Differentiate between 32 and 64 bit ELF header "Maciej W. Rozycki" <macro@imgtec.com> - 2016-02-08 18:10 +0100
[PATCH v3 1/3] mips: Use arch specific auxvec.h instead of generic-asm version Daniel Wagner <daniel.wagner@bmw-carit.de> - 2016-02-08 16:50 +0100
Re: [PATCH v3 1/3] mips: Use arch specific auxvec.h instead of generic-asm version "Maciej W. Rozycki" <macro@imgtec.com> - 2016-02-08 18:20 +0100
Re: [PATCH v3 1/3] mips: Use arch specific auxvec.h instead of generic-asm version Daniel Wagner <daniel.wagner@bmw-carit.de> - 2016-02-09 08:10 +0100
[PATCH v3 2/3] crash_dump: Add vmcore_elf32_check_arch Daniel Wagner <daniel.wagner@bmw-carit.de> - 2016-02-08 16:50 +0100
Re: [PATCH v3 2/3] crash_dump: Add vmcore_elf32_check_arch "Maciej W. Rozycki" <macro@imgtec.com> - 2016-02-08 18:10 +0100
[PATCH] video: Use bool instead int pointer for get_opt_bool() argument Daniel Wagner <daniel.wagner@bmw-carit.de> - 2016-01-29 14:30 +0100
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