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Fixed

LIN6-9532 : Spin lock always taking slow path in spin lock.

Created: Mar 4, 2015 Updated: Dec 3, 2018

Resolved Date: Mar 20, 2015

Found In Version: 6.0.0.16

Fix Version: 6.0.0.19

Severity: Standard

Applicable for: Wind River Linux 6

Component/s: Kernel

__HAVE_ARCH_CMPXCHG is not defined in cmpxcgh.h which causes rt_spin_lock() to always take the slow path.

The attached patch fixes this issue.