diff options
Diffstat (limited to 'docs')
| -rw-r--r-- | docs/cpu-specific-build-macros.rst | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/docs/cpu-specific-build-macros.rst b/docs/cpu-specific-build-macros.rst index 9e11cdff6..65f6adb8d 100644 --- a/docs/cpu-specific-build-macros.rst +++ b/docs/cpu-specific-build-macros.rst @@ -18,7 +18,11 @@ TF-A exports a series of build flags which control which security vulnerability workarounds should be applied at runtime. - ``WORKAROUND_CVE_2017_5715``: Enables the security workaround for - `CVE-2017-5715`_. Defaults to 1. + `CVE-2017-5715`_. This flag can be set to 0 by the platform if none + of the PEs in the system need the workaround. Setting this flag to 0 provides + no performance benefit for non-affected platforms, it just helps to comply + with the recommendation in the spec regarding workaround discovery. + Defaults to 1. CPU Errata Workarounds ---------------------- |