This bug was fixed in the package liburcu - 0.10.1-1ubuntu1
---------------
liburcu (0.10.1-1ubuntu1) bionic; urgency=medium
* d/p/liburcu-use-membarrier-private-expedited.patch
* d/p/liburcu-bp-use-membarrier-private-expedited.patch
- Enable usage of MEMBARRIER_CMD_PRIVATE_EXPEDITED in the librcu and
liburcu-bp flavours, for higher performance non-blocking syscalls.
(LP: #1876230)
-- Matthew Ruffell <[email protected]> Fri, 01 May 2020
16:11:48 +1200
** Changed in: liburcu (Ubuntu Bionic)
Status: Fix Committed => Fix Released
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https://bugs.launchpad.net/bugs/1876230
Title:
liburcu: Enable MEMBARRIER_CMD_PRIVATE_EXPEDITED to address
performance problems with MEMBARRIER_CMD_SHARED
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