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opal/accelerator: allow 0 size copies #12229

Merged

edgargabriel merged 1 commit into open-mpi:main from edgargabriel:topic/accelerator-size-0-fix

Jan 16, 2024

Commits on Jan 12, 2024

opal/accelerator: allow 0 size copies

it looks like zero size messages with valid buffer pointers can occur
for send-to-self operations and with persistent request. The current
accelerator components return however an error for size 0 making those
tests fail in our testsuite.

This commit allows size 0 messages, and returns immediatly.

Signed-off-by: Edgar Gabriel <[email protected]>

edgargabriel committed Jan 12, 2024