aboutsummaryrefslogtreecommitdiffstats
path: root/arch/s390/Kconfig
diff options
context:
space:
mode:
authorMartin Schwidefsky <schwidefsky@de.ibm.com>2018-03-23 13:04:49 +0100
committerMartin Schwidefsky <schwidefsky@de.ibm.com>2018-03-28 08:38:24 +0200
commit6e179d64126b909f0b288fa63cdbf07c531e9b1d (patch)
treed3b27e05dca18c669c42ba1b7833179c1b83a273 /arch/s390/Kconfig
parents390: move nobp parameter functions to nospec-branch.c (diff)
downloadlinux-dev-6e179d64126b909f0b288fa63cdbf07c531e9b1d.tar.xz
linux-dev-6e179d64126b909f0b288fa63cdbf07c531e9b1d.zip
s390: add automatic detection of the spectre defense
Automatically decide between nobp vs. expolines if the spectre_v2=auto kernel parameter is specified or CONFIG_EXPOLINE_AUTO=y is set. The decision made at boot time due to CONFIG_EXPOLINE_AUTO=y being set can be overruled with the nobp, nospec and spectre_v2 kernel parameters. Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'arch/s390/Kconfig')
-rw-r--r--arch/s390/Kconfig2
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/s390/Kconfig b/arch/s390/Kconfig
index eaee7087886f..90cc6d488492 100644
--- a/arch/s390/Kconfig
+++ b/arch/s390/Kconfig
@@ -576,7 +576,7 @@ choice
config EXPOLINE_OFF
bool "spectre_v2=off"
-config EXPOLINE_MEDIUM
+config EXPOLINE_AUTO
bool "spectre_v2=auto"
config EXPOLINE_FULL