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From: "Ananyev, Konstantin" <konstantin.ananyev@intel.com>
To: Honnappa Nagarahalli <honnappa.nagarahalli@arm.com>,
	"stephen@networkplumber.org" <stephen@networkplumber.org>,
	"paulmck@linux.ibm.com" <paulmck@linux.ibm.com>,
	"Kovacevic, Marko" <marko.kovacevic@intel.com>,
	"dev@dpdk.org" <dev@dpdk.org>
Cc: "gavin.hu@arm.com" <gavin.hu@arm.com>,
	"dharmik.thakkar@arm.com" <dharmik.thakkar@arm.com>,
	"malvika.gupta@arm.com" <malvika.gupta@arm.com>
Subject: Re: [dpdk-dev] [PATCH v8 0/4] lib/rcu: add RCU library supporting QSBR mechanism
Date: Fri, 26 Apr 2019 12:04:58 +0000	[thread overview]
Message-ID: <2601191342CEEE43887BDE71AB9772580148A9C434@irsmsx105.ger.corp.intel.com> (raw)
Message-ID: <20190426120458.BuXWskQ2laoVXerSNHmj5JgFbfsVJ_N8oAS8H37rNoI@z> (raw)
In-Reply-To: <20190426044000.32670-1-honnappa.nagarahalli@arm.com>



> -----Original Message-----
> From: Honnappa Nagarahalli [mailto:honnappa.nagarahalli@arm.com]
> Sent: Friday, April 26, 2019 5:40 AM
> To: Ananyev, Konstantin <konstantin.ananyev@intel.com>; stephen@networkplumber.org; paulmck@linux.ibm.com; Kovacevic, Marko
> <marko.kovacevic@intel.com>; dev@dpdk.org
> Cc: honnappa.nagarahalli@arm.com; gavin.hu@arm.com; dharmik.thakkar@arm.com; malvika.gupta@arm.com
> Subject: [PATCH v8 0/4] lib/rcu: add RCU library supporting QSBR mechanism
> 
> Lock-less data structures provide scalability and determinism.
> They enable use cases where locking may not be allowed
> (for ex: real-time applications).
> 
> In the following paras, the term 'memory' refers to memory allocated
> by typical APIs like malloc or anything that is representative of
> memory, for ex: an index of a free element array.
> 
> Since these data structures are lock less, the writers and readers
> are accessing the data structures concurrently. Hence, while removing
> an element from a data structure, the writers cannot return the memory
> to the allocator, without knowing that the readers are not
> referencing that element/memory anymore. Hence, it is required to
> separate the operation of removing an element into 2 steps:
> 
> Delete: in this step, the writer removes the reference to the element from
> the data structure but does not return the associated memory to the
> allocator. This will ensure that new readers will not get a reference to
> the removed element. Removing the reference is an atomic operation.
> 
> Free(Reclaim): in this step, the writer returns the memory to the
> memory allocator, only after knowing that all the readers have stopped
> referencing the deleted element.
> 
> This library helps the writer determine when it is safe to free the
> memory.
> 
> This library makes use of thread Quiescent State (QS). QS can be
> defined as 'any point in the thread execution where the thread does
> not hold a reference to shared memory'. It is upto the application to
> determine its quiescent state. Let us consider the following diagram:
> 
>     Time -------------------------------------------------->
> 
>                                 |     |
>   RT1   $++++****D1****+++***D2*|**+++|+++**D3*****++++$
>                                 |     |
>   RT2          $++++****D1****++|+**D2|***++++++**D3*****++++$
>                                 |     |
>   RT3      $++++****D1****+++***|D2***|++++++**D2*****++++$
>                                 |     |
>                                 |<--->|
>                                Del | Free
>                                    |
>                               Cannot free memory
>                               during this period
>                               (Grace Period)
> 
> RTx - Reader thread
> < and > - Start and end of while(1) loop
> ***Dx*** - Reader thread is accessing the shared data structure Dx.
>            i.e. critical section.
> +++ - Reader thread is not accessing any shared data structure.
>       i.e. non critical section or quiescent state.
> Del - Point in time when the reference to the entry is removed using
>       atomic operation.
> Free - Point in time when the writer can free the entry.
> Grace Period - Time duration between Del and Free, during which memory cannot
>                be freed.
> 
> As shown, thread RT1 accesses data structures D1, D2 and D3. When it is
> accessing D2, if the writer has to remove an element from D2, the
> writer cannot free the memory associated with that element immediately.
> The writer can return the memory to the allocator only after the reader
> stops referencing D2. In other words, reader thread RT1 has to enter
> a quiescent state.
> 
> Similarly, since thread RT3 is also accessing D2, writer has to wait till
> RT3 enters quiescent state as well.
> 
> However, the writer does not need to wait for RT2 to enter quiescent state.
> Thread RT2 was not accessing D2 when the delete operation happened.
> So, RT2 will not get a reference to the deleted entry.
> 
> It can be noted that, the critical sections for D2 and D3 are quiescent states
> for D1. i.e. for a given data structure Dx, any point in the thread execution
> that does not reference Dx is a quiescent state.
> 
> Since memory is not freed immediately, there might be a need for
> provisioning of additional memory, depending on the application requirements.
> 
> It is important to make sure that this library keeps the overhead of
> identifying the end of grace period and subsequent freeing of memory,
> to a minimum. The following paras explain how grace period and critical
> section affect this overhead.
> 
> The writer has to poll the readers to identify the end of grace period.
> Polling introduces memory accesses and wastes CPU cycles. The memory
> is not available for reuse during grace period. Longer grace periods
> exasperate these conditions.
> 
> The length of the critical section and the number of reader threads
> is proportional to the duration of the grace period. Keeping the critical
> sections smaller will keep the grace period smaller. However, keeping the
> critical sections smaller requires additional CPU cycles(due to additional
> reporting) in the readers.
> 
> Hence, we need the characteristics of small grace period and large critical
> section. This library addresses this by allowing the writer to do
> other work without having to block till the readers report their quiescent
> state.
> 
> For DPDK applications, the start and end of while(1) loop (where no
> references to shared data structures are kept) act as perfect quiescent
> states. This will combine all the shared data structure accesses into a
> single, large critical section which helps keep the overhead on the
> reader side to a minimum.
> 
> DPDK supports pipeline model of packet processing and service cores.
> In these use cases, a given data structure may not be used by all the
> workers in the application. The writer does not have to wait for all
> the workers to report their quiescent state. To provide the required
> flexibility, this library has a concept of QS variable. The application
> can create one QS variable per data structure to help it track the
> end of grace period for each data structure. This helps keep the grace
> period to a minimum.
> 
> The application has to allocate memory and initialize a QS variable.
> 
> Application can call rte_rcu_qsbr_get_memsize to calculate the size
> of memory to allocate. This API takes maximum number of reader threads,
> using this variable, as a parameter. Currently, a maximum of 1024 threads
> are supported.
> 
> Further, the application can initialize a QS variable using the API
> rte_rcu_qsbr_init.
> 
> Each reader thread is assumed to have a unique thread ID. Currently, the
> management of the thread ID (for ex: allocation/free) is left to the
> application. The thread ID should be in the range of 0 to
> maximum number of threads provided while creating the QS variable.
> The application could also use lcore_id as the thread ID where applicable.
> 
> rte_rcu_qsbr_thread_register API will register a reader thread
> to report its quiescent state. This can be called from a reader thread.
> A control plane thread can also call this on behalf of a reader thread.
> The reader thread must call rte_rcu_qsbr_thread_online API to start reporting
> its quiescent state.
> 
> Some of the use cases might require the reader threads to make
> blocking API calls (for ex: while using eventdev APIs). The writer thread
> should not wait for such reader threads to enter quiescent state.
> The reader thread must call rte_rcu_qsbr_thread_offline API, before calling
> blocking APIs. It can call rte_rcu_qsbr_thread_online API once the blocking
> API call returns.
> 
> The writer thread can trigger the reader threads to report their quiescent
> state by calling the API rte_rcu_qsbr_start. It is possible for multiple
> writer threads to query the quiescent state status simultaneously. Hence,
> rte_rcu_qsbr_start returns a token to each caller.
> 
> The writer thread has to call rte_rcu_qsbr_check API with the token to get the
> current quiescent state status. Option to block till all the reader threads
> enter the quiescent state is provided. If this API indicates that all the
> reader threads have entered the quiescent state, the application can free the
> deleted entry.
> 
> The APIs rte_rcu_qsbr_start and rte_rcu_qsbr_check are lock free. Hence, they
> can be called concurrently from multiple writers even while running
> as worker threads.
> 
> The separation of triggering the reporting from querying the status provides
> the writer threads flexibility to do useful work instead of blocking for the
> reader threads to enter the quiescent state or go offline. This reduces the
> memory accesses due to continuous polling for the status.
> 
> rte_rcu_qsbr_synchronize API combines the functionality of rte_rcu_qsbr_start
> and blocking rte_rcu_qsbr_check into a single API. This API triggers the reader
> threads to report their quiescent state and polls till all the readers enter
> the quiescent state or go offline. This API does not allow the writer to
> do useful work while waiting and also introduces additional memory accesses
> due to continuous polling.
> 
> The reader thread must call rte_rcu_qsbr_thread_offline and
> rte_rcu_qsbr_thread_unregister APIs to remove itself from reporting its
> quiescent state. The rte_rcu_qsbr_check API will not wait for this reader
> thread to report the quiescent state status anymore.
> 
> The reader threads should call rte_rcu_qsbr_update API to indicate that they
> entered a quiescent state. This API checks if a writer has triggered a
> quiescent state query and update the state accordingly.
> 
> Patch v8:
> 1) Library changes
>    a) Symbols prefixed with '__RTE' or 'rte_' as required (Thomas)
>    b) Used PRI?64 macros to support 32b compilation (Thomas)
>    c) Fixed shared library compilation (Thomas)
> 2) Test cases
>    a) Fixed segmentation fault when more than 20 cores are used for testing (Jerin)
>    b) Used PRI?64 macros to support 32b compilation (Thomas)
>    c) Testing done on x86, ThunderX2, Octeon TX, BlueField for 32b(x86 only)/64b,
>       debug/non-debug, shared/static linking, meson/makefile with various
>       number of cores
> 
> Patch v7:
> 1) Library changes
>    a) Added macro RCU_IS_LOCK_CNT_ZERO
>    b) Added lock counter validation to rte_rcu_qsbr_thread_online/
>       rte_rcu_qsbr_thread_offline/rte_rcu_qsbr_thread_register/
>       rte_rcu_qsbr_thread_unregister APIs (Paul)
> 
> Patch v6:
> 1) Library changes
>    a) Fixed and tested meson build on Arm and x86 (Konstantin)
>    b) Moved rte_rcu_qsbr_synchronize API to rte_rcu_qsbr.c
> 
> Patch v5:
> 1) Library changes
>    a) Removed extra alignment in rte_rcu_qsbr_get_memsize API (Paul)
>    b) Added rte_rcu_qsbr_lock/rte_rcu_qsbr_unlock APIs (Paul)
>    c) Clarified the need for 64b counters (Paul)
> 2) Test cases
>    a) Added additional performance test cases to benchmark
>       __rcu_qsbr_check_all
>    b) Added rte_rcu_qsbr_lock/rte_rcu_qsbr_unlock calls in various test cases
> 3) Documentation
>    a) Added rte_rcu_qsbr_lock/rte_rcu_qsbr_unlock usage description
> 
> Patch v4:
> 1) Library changes
>    a) Fixed the compilation issue on x86 (Konstantin)
>    b) Rebased with latest master
> 
> Patch v3:
> 1) Library changes
>    a) Moved the registered thread ID array to the end of the
>       structure (Konstantin)
>    b) Removed the compile time constant RTE_RCU_MAX_THREADS
>    c) Added code to keep track of registered number of threads
> 
> Patch v2:
> 1) Library changes
>    a) Corrected the RTE_ASSERT checks (Konstantin)
>    b) Replaced RTE_ASSERT with 'if' checks for non-datapath APIs (Konstantin)
>    c) Made rte_rcu_qsbr_thread_register/unregister non-datapath critical APIs
>    d) Renamed rte_rcu_qsbr_update to rte_rcu_qsbr_quiescent (Ola)
>    e) Used rte_smp_mb() in rte_rcu_qsbr_thread_online API for x86 (Konstantin)
>    f) Removed the macro to access the thread QS counters (Konstantin)
> 2) Test cases
>    a) Added additional test cases for removing RTE_ASSERT
> 3) Documentation
>    a) Changed the figure to make it bigger (Marko)
>    b) Spelling and format corrections (Marko)
> 
> Patch v1:
> 1) Library changes
>    a) Changed the maximum number of reader threads to 1024
>    b) Renamed rte_rcu_qsbr_register/unregister_thread to
>       rte_rcu_qsbr_thread_register/unregister
>    c) Added rte_rcu_qsbr_thread_online/offline API. These are optimized
>       version of rte_rcu_qsbr_thread_register/unregister API. These
>       also provide the flexibility for performance when the requested
>       maximum number of threads is higher than the current number of
>       threads.
>    d) Corrected memory orderings in rte_rcu_qsbr_update
>    e) Changed the signature of rte_rcu_qsbr_start API to return the token
>    f) Changed the signature of rte_rcu_qsbr_start API to not take the
>       expected number of QS states to wait.
>    g) Added debug logs
>    h) Added API and programmer guide documentation.
> 
> RFC v3:
> 1) Library changes
>    a) Rebased to latest master
>    b) Added new API rte_rcu_qsbr_get_memsize
>    c) Add support for memory allocation for QSBR variable (Konstantin)
>    d) Fixed a bug in rte_rcu_qsbr_check (Konstantin)
> 2) Testcase changes
>    a) Separated stress tests into a performance test case file
>    b) Added performance statistics
> 
> RFC v2:
> 1) Cover letter changes
>    a) Explian the parameters that affect the overhead of using RCU
>       and their effect
>    b) Explain how this library addresses these effects to keep
>       the overhead to minimum
> 2) Library changes
>    a) Rename the library to avoid confusion (Matias, Bruce, Konstantin)
>    b) Simplify the code/remove APIs to keep this library inline with
>       other synchronisation mechanisms like locks (Konstantin)
>    c) Change the design to support more than 64 threads (Konstantin)
>    d) Fixed version map to remove static inline functions
> 3) Testcase changes
>    a) Add boundary and additional functional test cases
>    b) Add stress test cases (Paul E. McKenney)
> 
> Dharmik Thakkar (1):
>   test/rcu_qsbr: add API and functional tests
> 
> Honnappa Nagarahalli (3):
>   rcu: add RCU library supporting QSBR mechanism
>   doc/rcu: add lib_rcu documentation
>   doc: added RCU to the release notes
> 
>  MAINTAINERS                                   |    5 +
>  app/test/Makefile                             |    2 +
>  app/test/autotest_data.py                     |   12 +
>  app/test/meson.build                          |    7 +-
>  app/test/test_rcu_qsbr.c                      | 1014 +++++++++++++++++
>  app/test/test_rcu_qsbr_perf.c                 |  704 ++++++++++++
>  config/common_base                            |    6 +
>  doc/api/doxy-api-index.md                     |    3 +-
>  doc/api/doxy-api.conf.in                      |    1 +
>  .../prog_guide/img/rcu_general_info.svg       |  509 +++++++++
>  doc/guides/prog_guide/index.rst               |    1 +
>  doc/guides/prog_guide/rcu_lib.rst             |  185 +++
>  doc/guides/rel_notes/release_19_05.rst        |    8 +
>  lib/Makefile                                  |    2 +
>  lib/librte_rcu/Makefile                       |   23 +
>  lib/librte_rcu/meson.build                    |    7 +
>  lib/librte_rcu/rte_rcu_qsbr.c                 |  277 +++++
>  lib/librte_rcu/rte_rcu_qsbr.h                 |  641 +++++++++++
>  lib/librte_rcu/rte_rcu_version.map            |   13 +
>  lib/meson.build                               |    2 +-
>  mk/rte.app.mk                                 |    1 +
>  21 files changed, 3420 insertions(+), 3 deletions(-)
>  create mode 100644 app/test/test_rcu_qsbr.c
>  create mode 100644 app/test/test_rcu_qsbr_perf.c
>  create mode 100644 doc/guides/prog_guide/img/rcu_general_info.svg
>  create mode 100644 doc/guides/prog_guide/rcu_lib.rst
>  create mode 100644 lib/librte_rcu/Makefile
>  create mode 100644 lib/librte_rcu/meson.build
>  create mode 100644 lib/librte_rcu/rte_rcu_qsbr.c
>  create mode 100644 lib/librte_rcu/rte_rcu_qsbr.h
>  create mode 100644 lib/librte_rcu/rte_rcu_version.map
> 
> --

Run UT on my box (SKX) for both x86_64 and i686 over 96 cores.
All passed.
Tested-by: Konstantin Ananyev <konstantin.ananyev@intel.com>

> 2.17.1


  parent reply	other threads:[~2019-04-26 12:05 UTC|newest]

Thread overview: 260+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-11-22  3:30 [dpdk-dev] [RFC 0/3] tqs: add thread quiescent state library Honnappa Nagarahalli
2018-11-22  3:30 ` [dpdk-dev] [RFC 1/3] log: add TQS log type Honnappa Nagarahalli
2018-11-27 22:24   ` Stephen Hemminger
2018-11-28  5:58     ` Honnappa Nagarahalli
2018-11-22  3:30 ` [dpdk-dev] [RFC 2/3] tqs: add thread quiescent state library Honnappa Nagarahalli
2018-11-24 12:18   ` Ananyev, Konstantin
2018-11-27 21:32     ` Honnappa Nagarahalli
2018-11-28 15:25       ` Ananyev, Konstantin
2018-12-07  7:27         ` Honnappa Nagarahalli
2018-12-07 17:29           ` Stephen Hemminger
2018-12-11  6:40             ` Honnappa Nagarahalli
2018-12-13 12:26               ` Burakov, Anatoly
2018-12-18  4:30                 ` Honnappa Nagarahalli
2018-12-18  6:31                   ` Stephen Hemminger
2018-12-12  9:29           ` Ananyev, Konstantin
2018-12-13  7:39             ` Honnappa Nagarahalli
2018-12-17 13:14               ` Ananyev, Konstantin
2018-11-22  3:30 ` [dpdk-dev] [RFC 3/3] test/tqs: Add API and functional tests Honnappa Nagarahalli
     [not found] ` <CGME20181122073110eucas1p17592400af6c0b807dc87e90d136575af@eucas1p1.samsung.com>
2018-11-22  7:31   ` [dpdk-dev] [RFC 0/3] tqs: add thread quiescent state library Ilya Maximets
2018-11-27 22:28 ` Stephen Hemminger
2018-11-27 22:49   ` Van Haaren, Harry
2018-11-28  5:31     ` Honnappa Nagarahalli
2018-11-28 23:23       ` Stephen Hemminger
2018-11-30  2:13         ` Honnappa Nagarahalli
2018-11-30 16:26           ` Luca Boccassi
2018-11-30 18:32             ` Stephen Hemminger
2018-11-30 20:20             ` Honnappa Nagarahalli
2018-11-30 20:56           ` Mattias Rönnblom
2018-11-30 23:44             ` Stephen Hemminger
2018-12-01 18:37               ` Honnappa Nagarahalli
2018-11-30  2:25     ` Honnappa Nagarahalli
2018-11-30 21:03       ` Mattias Rönnblom
2018-12-22  2:14 ` [dpdk-dev] [RFC v2 0/2] rcu: add RCU library supporting QSBR mechanism Honnappa Nagarahalli
2018-12-22  2:14   ` [dpdk-dev] [RFC v2 1/2] " Honnappa Nagarahalli
2019-01-15 11:39     ` Ananyev, Konstantin
2019-01-15 20:43       ` Honnappa Nagarahalli
2019-01-16 15:56         ` Ananyev, Konstantin
2019-01-18  6:48           ` Honnappa Nagarahalli
2019-01-18 12:14             ` Ananyev, Konstantin
2019-01-24 17:15               ` Honnappa Nagarahalli
2019-01-24 18:05                 ` Ananyev, Konstantin
2019-02-22  7:07                   ` Honnappa Nagarahalli
2018-12-22  2:14   ` [dpdk-dev] [RFC v2 2/2] test/rcu_qsbr: add API and functional tests Honnappa Nagarahalli
2018-12-23  7:30     ` Stephen Hemminger
2018-12-23 16:25       ` Paul E. McKenney
2019-01-18  7:04         ` Honnappa Nagarahalli
2019-02-22  7:04   ` [dpdk-dev] [RFC v3 0/5] rcu: add RCU library supporting QSBR mechanism Honnappa Nagarahalli
2019-02-22  7:04     ` [dpdk-dev] [RFC v3 1/5] " Honnappa Nagarahalli
2019-02-22  7:04     ` [dpdk-dev] [RFC v3 2/5] test/rcu_qsbr: add API and functional tests Honnappa Nagarahalli
2019-02-22  7:04     ` [dpdk-dev] [RFC v3 3/5] lib/rcu: add dynamic memory allocation capability Honnappa Nagarahalli
2019-02-22  7:04     ` [dpdk-dev] [RFC v3 4/5] test/rcu_qsbr: modify test cases for dynamic memory allocation Honnappa Nagarahalli
2019-02-22  7:04     ` [dpdk-dev] [RFC v3 5/5] lib/rcu: fix the size of register thread ID array size Honnappa Nagarahalli
2019-03-19  4:52 ` [dpdk-dev] [PATCH 0/3] lib/rcu: add RCU library supporting QSBR mechanism Honnappa Nagarahalli
2019-03-19  4:52   ` Honnappa Nagarahalli
2019-03-19  4:52   ` [dpdk-dev] [PATCH 1/3] rcu: " Honnappa Nagarahalli
2019-03-19  4:52     ` Honnappa Nagarahalli
2019-03-22 16:42     ` Ananyev, Konstantin
2019-03-22 16:42       ` Ananyev, Konstantin
2019-03-26  4:35       ` Honnappa Nagarahalli
2019-03-26  4:35         ` Honnappa Nagarahalli
2019-03-28 11:15         ` Ananyev, Konstantin
2019-03-28 11:15           ` Ananyev, Konstantin
2019-03-29  5:54           ` Honnappa Nagarahalli
2019-03-29  5:54             ` Honnappa Nagarahalli
2019-03-19  4:52   ` [dpdk-dev] [PATCH 2/3] test/rcu_qsbr: add API and functional tests Honnappa Nagarahalli
2019-03-19  4:52     ` Honnappa Nagarahalli
2019-03-19  4:52   ` [dpdk-dev] [PATCH 3/3] doc/rcu: add lib_rcu documentation Honnappa Nagarahalli
2019-03-19  4:52     ` Honnappa Nagarahalli
2019-03-25 11:34     ` Kovacevic, Marko
2019-03-25 11:34       ` Kovacevic, Marko
2019-03-26  4:43       ` Honnappa Nagarahalli
2019-03-26  4:43         ` Honnappa Nagarahalli
2019-03-27  5:52 ` [dpdk-dev] [PATCH v2 0/3] lib/rcu: add RCU library supporting QSBR mechanism Honnappa Nagarahalli
2019-03-27  5:52   ` Honnappa Nagarahalli
2019-03-27  5:52   ` [dpdk-dev] [PATCH v2 1/3] rcu: " Honnappa Nagarahalli
2019-03-27  5:52     ` Honnappa Nagarahalli
2019-03-27  5:52   ` [dpdk-dev] [PATCH v2 2/3] test/rcu_qsbr: add API and functional tests Honnappa Nagarahalli
2019-03-27  5:52     ` Honnappa Nagarahalli
2019-03-27  5:52   ` [dpdk-dev] [PATCH v2 3/3] doc/rcu: add lib_rcu documentation Honnappa Nagarahalli
2019-03-27  5:52     ` Honnappa Nagarahalli
2019-04-01 17:10 ` [dpdk-dev] [PATCH v3 0/3] lib/rcu: add RCU library supporting QSBR mechanism Honnappa Nagarahalli
2019-04-01 17:10   ` Honnappa Nagarahalli
2019-04-01 17:11   ` [dpdk-dev] [PATCH v3 1/3] rcu: " Honnappa Nagarahalli
2019-04-01 17:11     ` Honnappa Nagarahalli
2019-04-02 10:22     ` Ananyev, Konstantin
2019-04-02 10:22       ` Ananyev, Konstantin
2019-04-02 10:53       ` Ananyev, Konstantin
2019-04-02 10:53         ` Ananyev, Konstantin
2019-04-01 17:11   ` [dpdk-dev] [PATCH v3 2/3] test/rcu_qsbr: add API and functional tests Honnappa Nagarahalli
2019-04-01 17:11     ` Honnappa Nagarahalli
2019-04-02 10:55     ` Ananyev, Konstantin
2019-04-02 10:55       ` Ananyev, Konstantin
2019-04-01 17:11   ` [dpdk-dev] [PATCH v3 3/3] doc/rcu: add lib_rcu documentation Honnappa Nagarahalli
2019-04-01 17:11     ` Honnappa Nagarahalli
2019-04-10 11:20 ` [dpdk-dev] [PATCH v4 0/3] lib/rcu: add RCU library supporting QSBR mechanism Honnappa Nagarahalli
2019-04-10 11:20   ` Honnappa Nagarahalli
2019-04-10 11:20   ` [dpdk-dev] [PATCH v4 1/3] rcu: " Honnappa Nagarahalli
2019-04-10 11:20     ` Honnappa Nagarahalli
2019-04-10 18:14     ` Paul E. McKenney
2019-04-10 18:14       ` Paul E. McKenney
2019-04-11  4:35       ` Honnappa Nagarahalli
2019-04-11  4:35         ` Honnappa Nagarahalli
2019-04-11 15:26         ` Paul E. McKenney
2019-04-11 15:26           ` Paul E. McKenney
2019-04-12 20:21           ` Honnappa Nagarahalli
2019-04-12 20:21             ` Honnappa Nagarahalli
2019-04-15 16:51             ` Ananyev, Konstantin
2019-04-15 16:51               ` Ananyev, Konstantin
2019-04-15 19:46               ` Honnappa Nagarahalli
2019-04-15 19:46                 ` Honnappa Nagarahalli
2019-04-10 11:20   ` [dpdk-dev] [PATCH v4 2/3] test/rcu_qsbr: add API and functional tests Honnappa Nagarahalli
2019-04-10 11:20     ` Honnappa Nagarahalli
2019-04-10 15:26     ` Stephen Hemminger
2019-04-10 15:26       ` Stephen Hemminger
2019-04-10 16:15       ` Honnappa Nagarahalli
2019-04-10 16:15         ` Honnappa Nagarahalli
2019-04-10 11:20   ` [dpdk-dev] [PATCH v4 3/3] doc/rcu: add lib_rcu documentation Honnappa Nagarahalli
2019-04-10 11:20     ` Honnappa Nagarahalli
2019-04-12 20:20 ` [dpdk-dev] [PATCH v5 0/3] lib/rcu: add RCU library supporting QSBR mechanism Honnappa Nagarahalli
2019-04-12 20:20   ` Honnappa Nagarahalli
2019-04-12 20:20   ` [dpdk-dev] [PATCH v5 1/3] rcu: " Honnappa Nagarahalli
2019-04-12 20:20     ` Honnappa Nagarahalli
2019-04-12 22:06     ` Stephen Hemminger
2019-04-12 22:06       ` Stephen Hemminger
2019-04-12 22:24       ` Honnappa Nagarahalli
2019-04-12 22:24         ` Honnappa Nagarahalli
2019-04-12 23:06         ` Stephen Hemminger
2019-04-12 23:06           ` Stephen Hemminger
2019-04-15 12:24           ` Ananyev, Konstantin
2019-04-15 12:24             ` Ananyev, Konstantin
2019-04-15 15:38             ` Stephen Hemminger
2019-04-15 15:38               ` Stephen Hemminger
2019-04-15 17:39               ` Ananyev, Konstantin
2019-04-15 17:39                 ` Ananyev, Konstantin
2019-04-15 18:56                 ` Honnappa Nagarahalli
2019-04-15 18:56                   ` Honnappa Nagarahalli
2019-04-15 21:26                 ` Stephen Hemminger
2019-04-15 21:26                   ` Stephen Hemminger
2019-04-16  5:29                   ` Honnappa Nagarahalli
2019-04-16  5:29                     ` Honnappa Nagarahalli
2019-04-16 14:54                     ` Stephen Hemminger
2019-04-16 14:54                       ` Stephen Hemminger
2019-04-16 16:56                       ` Honnappa Nagarahalli
2019-04-16 16:56                         ` Honnappa Nagarahalli
2019-04-16 21:22                         ` Stephen Hemminger
2019-04-16 21:22                           ` Stephen Hemminger
2019-04-17  1:45                           ` Honnappa Nagarahalli
2019-04-17  1:45                             ` Honnappa Nagarahalli
2019-04-17 13:39                             ` Ananyev, Konstantin
2019-04-17 13:39                               ` Ananyev, Konstantin
2019-04-17 14:02                               ` Honnappa Nagarahalli
2019-04-17 14:02                                 ` Honnappa Nagarahalli
2019-04-17 14:18                               ` Thomas Monjalon
2019-04-17 14:18                                 ` Thomas Monjalon
2019-04-12 20:20   ` [dpdk-dev] [PATCH v5 2/3] test/rcu_qsbr: add API and functional tests Honnappa Nagarahalli
2019-04-12 20:20     ` Honnappa Nagarahalli
2019-04-12 20:20   ` [dpdk-dev] [PATCH v5 3/3] doc/rcu: add lib_rcu documentation Honnappa Nagarahalli
2019-04-12 20:20     ` Honnappa Nagarahalli
2019-04-15 17:29   ` [dpdk-dev] [PATCH v5 0/3] lib/rcu: add RCU library supporting QSBR mechanism Ananyev, Konstantin
2019-04-15 17:29     ` Ananyev, Konstantin
2019-04-16  5:10     ` Honnappa Nagarahalli
2019-04-16  5:10       ` Honnappa Nagarahalli
2019-04-17  4:13 ` [dpdk-dev] [PATCH v6 " Honnappa Nagarahalli
2019-04-17  4:13   ` Honnappa Nagarahalli
2019-04-17  4:13   ` [dpdk-dev] [PATCH v6 1/3] rcu: " Honnappa Nagarahalli
2019-04-17  4:13     ` Honnappa Nagarahalli
2019-04-19 19:19     ` Paul E. McKenney
2019-04-19 19:19       ` Paul E. McKenney
2019-04-23  1:08       ` Honnappa Nagarahalli
2019-04-23  1:08         ` Honnappa Nagarahalli
2019-04-17  4:13   ` [dpdk-dev] [PATCH v6 2/3] test/rcu_qsbr: add API and functional tests Honnappa Nagarahalli
2019-04-17  4:13     ` Honnappa Nagarahalli
2019-04-17  4:13   ` [dpdk-dev] [PATCH v6 3/3] doc/rcu: add lib_rcu documentation Honnappa Nagarahalli
2019-04-17  4:13     ` Honnappa Nagarahalli
2019-04-21 16:40   ` [dpdk-dev] [PATCH v6 0/3] lib/rcu: add RCU library supporting QSBR mechanism Thomas Monjalon
2019-04-21 16:40     ` Thomas Monjalon
2019-04-25 14:18     ` Honnappa Nagarahalli
2019-04-25 14:18       ` Honnappa Nagarahalli
2019-04-25 14:27       ` Honnappa Nagarahalli
2019-04-25 14:27         ` Honnappa Nagarahalli
2019-04-25 14:38       ` David Marchand
2019-04-25 14:38         ` David Marchand
2019-04-23  4:31 ` [dpdk-dev] [PATCH v7 " Honnappa Nagarahalli
2019-04-23  4:31   ` Honnappa Nagarahalli
2019-04-23  4:31   ` [dpdk-dev] [PATCH v7 1/3] rcu: " Honnappa Nagarahalli
2019-04-23  4:31     ` Honnappa Nagarahalli
2019-04-23  8:10     ` Paul E. McKenney
2019-04-23  8:10       ` Paul E. McKenney
2019-04-23 21:23       ` Honnappa Nagarahalli
2019-04-23 21:23         ` Honnappa Nagarahalli
2019-04-24 20:02         ` Jerin Jacob Kollanukkaran
2019-04-24 20:02           ` Jerin Jacob Kollanukkaran
2019-04-25  5:15           ` Honnappa Nagarahalli
2019-04-25  5:15             ` Honnappa Nagarahalli
2019-04-24 10:03     ` Ruifeng Wang (Arm Technology China)
2019-04-24 10:03       ` Ruifeng Wang (Arm Technology China)
2019-04-23  4:31   ` [dpdk-dev] [PATCH v7 2/3] test/rcu_qsbr: add API and functional tests Honnappa Nagarahalli
2019-04-23  4:31     ` Honnappa Nagarahalli
2019-04-23  4:31   ` [dpdk-dev] [PATCH v7 3/3] doc/rcu: add lib_rcu documentation Honnappa Nagarahalli
2019-04-23  4:31     ` Honnappa Nagarahalli
2019-04-24 10:12     ` Ruifeng Wang (Arm Technology China)
2019-04-24 10:12       ` Ruifeng Wang (Arm Technology China)
2019-04-26  4:39 ` [dpdk-dev] [PATCH v8 0/4] lib/rcu: add RCU library supporting QSBR mechanism Honnappa Nagarahalli
2019-04-26  4:39   ` Honnappa Nagarahalli
2019-04-26  4:39   ` [dpdk-dev] [PATCH v8 1/4] rcu: " Honnappa Nagarahalli
2019-04-26  4:39     ` Honnappa Nagarahalli
2019-04-26  8:13     ` Jerin Jacob Kollanukkaran
2019-04-26  8:13       ` Jerin Jacob Kollanukkaran
2019-04-28  3:25     ` Ruifeng Wang (Arm Technology China)
2019-04-28  3:25       ` Ruifeng Wang (Arm Technology China)
2019-04-29 20:33       ` Thomas Monjalon
2019-04-29 20:33         ` Thomas Monjalon
2019-04-30 10:51         ` Hemant Agrawal
2019-04-30 10:51           ` Hemant Agrawal
2019-04-26  4:39   ` [dpdk-dev] [PATCH v8 2/4] test/rcu_qsbr: add API and functional tests Honnappa Nagarahalli
2019-04-26  4:39     ` Honnappa Nagarahalli
2019-04-29 20:35     ` Thomas Monjalon
2019-04-29 20:35       ` Thomas Monjalon
2019-04-30  4:20       ` Honnappa Nagarahalli
2019-04-30  4:20         ` Honnappa Nagarahalli
2019-04-30  7:58         ` Thomas Monjalon
2019-04-30  7:58           ` Thomas Monjalon
2019-04-26  4:39   ` [dpdk-dev] [PATCH v8 3/4] doc/rcu: add lib_rcu documentation Honnappa Nagarahalli
2019-04-26  4:39     ` Honnappa Nagarahalli
2019-04-26  4:40   ` [dpdk-dev] [PATCH v8 4/4] doc: added RCU to the release notes Honnappa Nagarahalli
2019-04-26  4:40     ` Honnappa Nagarahalli
2019-04-26 12:04   ` Ananyev, Konstantin [this message]
2019-04-26 12:04     ` [dpdk-dev] [PATCH v8 0/4] lib/rcu: add RCU library supporting QSBR mechanism Ananyev, Konstantin
2019-05-01  3:54 ` [dpdk-dev] [PATCH v9 " Honnappa Nagarahalli
2019-05-01  3:54   ` Honnappa Nagarahalli
2019-05-01  3:54   ` [dpdk-dev] [PATCH v9 1/4] rcu: " Honnappa Nagarahalli
2019-05-01  3:54     ` Honnappa Nagarahalli
2019-05-01  3:54   ` [dpdk-dev] [PATCH v9 2/4] test/rcu_qsbr: add API and functional tests Honnappa Nagarahalli
2019-05-01  3:54     ` Honnappa Nagarahalli
2019-05-03 14:31     ` David Marchand
2019-05-03 14:31       ` David Marchand
2019-05-06 23:16       ` Honnappa Nagarahalli
2019-05-06 23:16         ` Honnappa Nagarahalli
2019-05-01  3:54   ` [dpdk-dev] [PATCH v9 3/4] doc/rcu: add lib_rcu documentation Honnappa Nagarahalli
2019-05-01  3:54     ` Honnappa Nagarahalli
2019-05-01 11:37     ` Mcnamara, John
2019-05-01 11:37       ` Mcnamara, John
2019-05-01 21:20       ` Honnappa Nagarahalli
2019-05-01 21:20         ` Honnappa Nagarahalli
2019-05-01 21:32         ` Thomas Monjalon
2019-05-01 21:32           ` Thomas Monjalon
2019-05-01  3:54   ` [dpdk-dev] [PATCH v9 4/4] doc: added RCU to the release notes Honnappa Nagarahalli
2019-05-01  3:54     ` Honnappa Nagarahalli
2019-05-01 11:31     ` Mcnamara, John
2019-05-01 11:31       ` Mcnamara, John
2019-05-01 12:15   ` [dpdk-dev] [PATCH v9 0/4] lib/rcu: add RCU library supporting QSBR mechanism Neil Horman
2019-05-01 12:15     ` Neil Horman
2019-05-01 14:56     ` Honnappa Nagarahalli
2019-05-01 14:56       ` Honnappa Nagarahalli
2019-05-01 18:05       ` Neil Horman
2019-05-01 18:05         ` Neil Horman
2019-05-01 21:18         ` Honnappa Nagarahalli
2019-05-01 21:18           ` Honnappa Nagarahalli
2019-05-01 23:36   ` Thomas Monjalon
2019-05-01 23:36     ` Thomas Monjalon

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