Removal of IBRS mitigation for Spectre Variant2

As the Meltdown and Spectre attacks were published begin of January 2018, several mitigations were planned and implemented for Spectre Variant 2. What is Spectre Variant2? Spectre Variant 2 describes an issue where the CPUs branch prediction can be poisoned, so the CPU speculatively executes code it usually would never try to. For instance userspace […]
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