Enable the Integrity Measurement Architecture (IMA) for 4.14.x
and 4.15.x kernels. This pretty much uses the defaults except we
also enable INTEGRITY_ASYMMETRIC_KEYS and IMA_READ_POLICY. The
latter may be useful for debugging.
For s390x we also needed to enable TPM support.
Signed-off-by: Rolf Neugebauer <rolf.neugebauer@docker.com>
Also remove the 4.4 patch which should have been removed by
231cead2cc ("kernel: Update to 4.15.4/4.14.20/4.9.82/4.4.116")
Signed-off-by: Rolf Neugebauer <rolf.neugebauer@docker.com>
These are part of the Meltdown/Spectre mitigations for arm64
now available for 4.14 and 4.15
Signed-off-by: Rolf Neugebauer <rolf.neugebauer@docker.com>
The 4.14.20 update has Meltdown/Spectre fixes for arm64
The 4.4.116 update incorporates the proper fix for the
div by zero crash in the firmware loader, so the patch
with the hackish workaround was dropped.
Signed-off-by: Rolf Neugebauer <rolf.neugebauer@docker.com>
Drop the hack for the microcode division by 0 on GCP as
a proper fix is in upstream as:
2760f452a718 ("x86/microcode: Do the family check first")
Signed-off-by: Rolf Neugebauer <rolf.neugebauer@docker.com>
These kernels have significant changes/addition for Spectre
mitigation as well as the usual other set of fixes.
Signed-off-by: Rolf Neugebauer <rolf.neugebauer@docker.com>
