34d5165c90
As per guidelines CPU security level should be dropped before OS start, so that certain MSRs are locked out. Drop privilege levels on all logical CPUs. BUG=chrome-os-partner:60454 BRANCH=None TEST=iotools rdmsr x 0x120, make sure bit 6 is set, rdmsr x 0x121 results in io error. Signed-off-by: Andrey Petrov <andrey.petrov@intel.com> Reviewed-on: https://review.coreboot.org/17665 Reviewed-by: Aaron Durbin <adurbin@chromium.org> Tested-by: build bot (Jenkins) Change-Id: I67540f6da16f58b822db9160d00b7a5e235188db Reviewed-on: https://chromium-review.googlesource.com/416164 Commit-Ready: Furquan Shaikh <furquan@chromium.org> Tested-by: Furquan Shaikh <furquan@chromium.org> Reviewed-by: Aaron Durbin <adurbin@chromium.org> |
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| broadcom/cygnus | ||
| dmp/vortex86ex | ||
| imgtec/pistachio | ||
| intel | ||
| lowrisc/lowrisc | ||
| marvell | ||
| mediatek/mt8173 | ||
| nvidia | ||
| qualcomm | ||
| rdc/r8610 | ||
| rockchip | ||
| samsung | ||
| ucb/riscv | ||