Attached is the detailed test results. No significant performance
regression is seen in ARMv8.0, and a significant improvement in STREX
events are seen in ARMv8.1, which makes me happy to verify the proposed
package.

Test result summary:

Package tested: nginx 1.18.0-0ubuntu1.5

[ARMv8.0]
STREX EVENTS
* 178 -> 181

CPU Usage
* 99.21 -> 99.64

[ARMv8.1]
STREX EVENTS
* 151 -> 0

CPU Usage
* 100 -> 19.47


** Attachment added: "nginx-focal-strex-validation.txt"
   
https://bugs.launchpad.net/ubuntu/+source/postgresql-12/+bug/2024019/+attachment/5792398/+files/nginx-focal-strex-validation.txt

** Tags removed: verification-needed verification-needed-focal
** Tags added: verification-done verification-done-focal

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https://bugs.launchpad.net/bugs/2024019

Title:
  Add GCC atomic support (-moutline-atomics) for arm64 on Focal

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