Jan Beulich: > 1: correct ordering of operations during S3 resume > 2: suppress BTI mitigations around S3 suspend/resume > 3: check feature flags after resume > > Signed-off-by: Jan Beulich <jbeul...@suse.com> > > Simon, could you give this a try please?
Backported to 4.8 it works fine with the two fixes I sent earlier. I now also tried staging. Resume is broken even without IBRS/IBPB. It panics about a double fault somewhere after it starts to enable the non-boot CPUs. Since the IBRS/IPBP problem happens before that point I could test the patches anyway. With them it gets again to the point where it double faults. So the patches are most likely fine. I didn't really looked yet at the cause of the double fault. Simon
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