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Fixed

LIN7-3351 : CLONE - Spin lock always taking slow path in spin lock.

Created: Apr 1, 2015 Updated: Sep 8, 2018

Resolved Date: Apr 21, 2015

Found In Version: 7.0.0.3

Fix Version: 7.0.0.5

Severity: Standard

Applicable for: Wind River Linux 7

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.