The software described in this documentation is either in Extended Support or Sustaining Support. See https://www.oracle.com/us/support/library/enterprise-linux-support-policies-069172.pdf for more information.
Oracle recommends that you upgrade the software described by this documentation as soon as possible.

1.4 Retpoline Support Added to GCC

Support for retpolines has been added to the GNU Compiler Collection (GCC) in this update. The kernel uses this technique to reduce the overhead of mitigating Spectre Variant 2 attacks, which is described in CVE-2017-5715.

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