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(parent: 39c3dbb) | patch
s390: detect etoken facility
authorMartin Schwidefsky <schwidefsky@de.ibm.com>
Tue, 8 May 2018 13:14:48 +0000 (15:14 +0200)
committerMartin Schwidefsky <schwidefsky@de.ibm.com>
Wed, 18 Jul 2018 06:32:17 +0000 (08:32 +0200)
commit282d6b516068f407eedb0f19c1ffbd55a4375814
tree4a8bf8d1dd9ed365d8cdb4540062f81639833ba9tree | snapshot
parent39c3dbba3c38b645ae68d0199ba9a0414fcde388commit | diff
s390: detect etoken facility

Detect and report the etoken facility. With spectre_v2=auto or
CONFIG_EXPOLINE_AUTO=y automatically disable expolines and use
the full branch prediction mode for the kernel.

Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
arch/s390/kernel/nospec-branch.c diff | blob | history
arch/s390/kernel/nospec-sysfs.c diff | blob | history
Linux Kernel Source Tree.