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osc/rdma: make locking code more robust #3044

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merged 2 commits into from
Mar 6, 2017

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hjelmn
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@hjelmn hjelmn commented Feb 27, 2017

Under heavy load the locking code could fail if the underlying btl
module started to return OPAL_ERR_OUT_OF_RESOURCE on atomic
operations. This commit updates the code to gracefully handle btl
errors.

Signed-off-by: Nathan Hjelm [email protected]
(cherry picked from commit 4707c7c)
Signed-off-by: Nathan Hjelm [email protected]

Under heavy load the locking code could fail if the underlying btl
module started to return OPAL_ERR_OUT_OF_RESOURCE on atomic
operations. This commit updates the code to gracefully handle btl
errors.

Signed-off-by: Nathan Hjelm <[email protected]>
(cherry picked from commit 4707c7c)
Signed-off-by: Nathan Hjelm <[email protected]>
@hjelmn hjelmn added the bug label Feb 27, 2017
@hjelmn hjelmn added this to the v2.0.3 milestone Feb 27, 2017
@hjelmn hjelmn requested a review from regrant February 27, 2017 15:49
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check out new lanl bot configury
bot:lanl:retest

Signed-off-by: Nathan Hjelm <[email protected]>
(cherry picked from commit 032bcf9)
Signed-off-by: Nathan Hjelm <[email protected]>
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hjelmn commented Mar 1, 2017

@jsquyres Added the commit to clean up the warnings. Good to go now.

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jsquyres commented Mar 6, 2017

@regrant Can you review this? You reviewed the v2.1.x version already (#3045).

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This looks good, the same as the previous pull request I reviewed and includes cleanup for compiler warnings.

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regrant commented Mar 6, 2017

@jsquyres looks good, sorry it took so long.

@jsquyres jsquyres merged commit 06ce91f into open-mpi:v2.0.x Mar 6, 2017
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jsquyres commented Mar 6, 2017

@regrant No prob; thanks!

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4 participants