Looks like bad commit is:
# first bad commit: [870ebe727a6035987b8b6fc779486a63d646ffac] x86/speculation/l1tf: Protect PROT_NONE PTEs against speculation
Looks like bad commit is:
# first bad commit: [870ebe727a6035 987b8b6fc779486 a63d646ffac] x86/speculation /l1tf: Protect PROT_NONE PTEs against speculation