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Linux 6.9-rc6 To Fix Accidentally Disabling Mitigations By Default For Non-x86 CPUs
A commit made to the Linux kernel three weeks ago accidentally broke the default CPU security mitigations for non-x86 CPUs
A commit made to the Linux kernel three weeks ago accidentally broke the default CPU security mitigations for non-x86 CPUs. A patch to be merged today to Linux Git will re-enable CPU security mitigations by default for non-x86 architectures like POWER and Arm. Sean Christopherson of Google explained in the patch fixing the issue:"Rename x86's to CPU_MITIGATIONS, define it in generic code, and force it on for all architectures exception x86.
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