From: Wanlong Gao <gaowanlong@cn.fujitsu.com>
To: gaowanlong@cn.fujitsu.com
Cc: ltp-list@lists.sourceforge.net
Subject: Re: [LTP] [PATCH v2 0/3] add CMA test
Date: Fri, 29 Jun 2012 11:45:28 +0800 [thread overview]
Message-ID: <4FED24D8.7090406@cn.fujitsu.com> (raw)
In-Reply-To: <4FED1AD5.9070101@cn.fujitsu.com>
On 06/29/2012 11:02 AM, Wanlong Gao wrote:
> On 05/22/2012 10:17 PM, Jan Stancek wrote:
>> changes in v2
>> - dropped configure check as glibc wrapper calls syscall directly,
>> and using syscall(2) we can test also when glibc wrappers are missing
>> - added simplified process_vm.h
>>
>> CMA (cross memory attach) feature introduced 2 new syscalls:
>> process_vm_readv
>> process_vm_writev
>
> Hi Jan,
>
> This series is also lost, please send in one thread for reviewing if you can.
I have found the V3, please ignore this request.
Wanlong Gao
>
> Thanks,
> Wanlong Gao
>
>>
>> commit fcf634098c00dd9cd247447368495f0b79be12d1
>> Author: Christopher Yeoh <cyeoh@au1.ibm.com>
>> Date: Mon Oct 31 17:06:39 2011 -0700
>> Cross Memory Attach
>>
>> "The basic idea behind cross memory attach is to allow MPI programs doing
>> intra-node communication to do a single copy of the message rather than
>> a double copy of the message via shared memory." [1]
>>
>> This patch series is introducing the initial structure under syscalls/cma
>> and first test to check various errno codes as described in proposed man
>> page [2].
>>
>> [1] http://lwn.net/Articles/451188/
>> [2] http://ozlabs.org/~cyeoh/cma/process_vm_readv.txt
>>
>> Jan Stancek (3):
>> add testcases/kernel/syscalls/cma
>> cma: add process_vm.h
>> syscalls/cma: add errno tests
>>
>> runtest/syscalls | 3 +
>> testcases/kernel/syscalls/cma/Makefile | 22 +
>> testcases/kernel/syscalls/cma/cma01.c | 421 ++++++++++++++++++++
>> testcases/kernel/syscalls/cma/process_vm.h | 58 +++
>> .../kernel/syscalls/cma/process_vm_readv/Makefile | 29 ++
>> .../kernel/syscalls/cma/process_vm_writev/Makefile | 29 ++
>> 6 files changed, 562 insertions(+), 0 deletions(-)
>> create mode 100644 testcases/kernel/syscalls/cma/Makefile
>> create mode 100644 testcases/kernel/syscalls/cma/cma01.c
>> create mode 100644 testcases/kernel/syscalls/cma/process_vm.h
>> create mode 100644 testcases/kernel/syscalls/cma/process_vm_readv/Makefile
>> create mode 100644 testcases/kernel/syscalls/cma/process_vm_writev/Makefile
>>
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>
>
>
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prev parent reply other threads:[~2012-06-29 3:45 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-05-22 14:17 [LTP] [PATCH v2 0/3] add CMA test Jan Stancek
2012-06-29 3:02 ` Wanlong Gao
2012-06-29 3:45 ` Wanlong Gao [this message]
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