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(parent: 768da41) | patch
s390: report spectre mitigation via syslog
authorMartin Schwidefsky <schwidefsky@de.ibm.com>
Fri, 27 Apr 2018 05:36:59 +0000 (07:36 +0200)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Sun, 29 Apr 2018 05:50:04 +0000 (07:50 +0200)
commit6fbb47b1f94ab8b7b0ed0ce3d2e709f45d422432
treeeeaadfa810848365302e52d8912b06473eda551ftree | snapshot
parent768da41f91799d8237aa07c8951e434b0b65ccd3commit | diff
s390: report spectre mitigation via syslog

[ Upstream commit bc035599718412cfba9249aa713f90ef13f13ee9 ]

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>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
arch/s390/kernel/nospec-branch.c diff | blob | blame | history
Mirror https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git