[BOOT-WRAPPER PATCH 0/3] Add support for FEAT_FPMR and FEAT_GCS
Mark Rutland
mark.rutland at arm.com
Tue Nov 26 07:39:52 PST 2024
While trying to test a tip-of-tree kernel on a model, I discovered that
we never added boot-wrapper support for FEAT_FPMR of FEAT_GCS, resulting
in the kernel (silently) hanging early during boot, which isn't ideal.
These patches add the missing support.
Mark.
Mark Rutland (3):
aarch64: shuffle ID_AA64PFR{0,1}_EL1 definitions
aarch64: Enable use of FPMR for EL2 and below
aarch64: Enable use of GCS for EL2 and below
arch/aarch64/include/asm/cpu.h | 16 +++++++++++++---
arch/aarch64/init.c | 10 ++++++++++
2 files changed, 23 insertions(+), 3 deletions(-)
--
2.30.2
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