id Summary Status Owner Type Priority Milestone 799 Remove need for -mno-red-zone by better stack handling on amd64 new enhancement trivial 385 Support for address space identifiers on amd64 new Jakub Jermář enhancement minor 624 Add support for Supervisor Mode Access Prevention (SMAP) new Jakub Jermář enhancement minor 718 Implement mitigations for Meltdown and Spectre new enhancement minor 760 vreg's can be modified by an arbitrary thread running on another CPU accepted Jakub Jermář defect major