6e5f092784
The spectre mitigations are too configurable for their own good, leading to confusing logic trying to figure out when we should mitigate and when we shouldn't. Although the plethora of command-line options need to stick around for backwards compatibility, the default-on CONFIG options that depend on EXPERT can be dropped, as the mitigations only do anything if the system is vulnerable, a mitigation is available and the command-line hasn't disabled it. Remove CONFIG_HARDEN_BRANCH_PREDICTOR and CONFIG_ARM64_SSBD in favour of enabling this code unconditionally. Signed-off-by: Will Deacon <will@kernel.org> |
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