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(parent: 6e179d6) | patch
s390: report spectre mitigation via syslog
authorMartin Schwidefsky <schwidefsky@de.ibm.com>
Tue, 20 Mar 2018 15:33:43 +0000 (16:33 +0100)
committerMartin Schwidefsky <schwidefsky@de.ibm.com>
Wed, 28 Mar 2018 06:38:25 +0000 (08:38 +0200)
commitbc035599718412cfba9249aa713f90ef13f13ee9
treebc2927c397cf3515ace21876a1e829100e67eb90tree | snapshot
parent6e179d64126b909f0b288fa63cdbf07c531e9b1dcommit | diff
s390: report spectre mitigation via syslog

Add a boot message if either of the spectre defenses is active.
The message is
    "Spectre V2 mitigation: execute trampolines."
or  "Spectre V2 mitigation: limited branch prediction."

Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
arch/s390/kernel/nospec-branch.c diff | blob | history
Domain: System / Kernel;