Hi Corey, On a haswell machine here with AVX+SEE+FPU state I get an xsave region size of 832 Adrian On Fri 06-Jan-2017 12:55 PM, Corey Richardson wrote: Does anyone have a "maximal" xsave region size big enough for all the xsave-supporting features seL4 enables on Broadwell or Haswell? I don't have access to a machine with these features, so I can't run a program to get them with cpuid. _______________________________________________ Devel mailing list Devel@sel4.systems<mailto:Devel@sel4.systems> https://sel4.systems/lists/listinfo/devel