[PATCH v4 3/3] optee: add property no-map to secure reserved memory

Simon Glass sjg at chromium.org
Sun Sep 27 03:59:35 CEST 2020


From: Etienne Carriere <etienne.carriere at st.com>

OP-TEE reserved memory node must set property "no-map" to prevent
Linux kernel from mapping secure memory unless what non-secure world
speculative accesses of the CPU can violate the memory firmware
configuration.

Fixes: 6ccb05eae01b ("image: fdt: copy possible optee nodes to a
loaded devicetree")
Signed-off-by: Etienne Carriere <etienne.carriere at st.com>
Signed-off-by: Patrice Chotard <patrice.chotard at st.com>
---

(no changes since v3)

Changes in v3:
   - Fix changelogs

 lib/optee/optee.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

Applied to u-boot-dm/next, thanks!


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