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authorPeter Zijlstra <peterz@infradead.org>2022-06-28 01:21:17 +0300
committerBorislav Petkov <bp@suse.de>2022-06-29 18:43:41 +0300
commitf43b9876e857c739d407bc56df288b0ebe1a9164 (patch)
tree22fcf2716b615556869c460a71ed3fd9b1393bd6 /security
parent26aae8ccbc1972233afd08fb3f368947c0314265 (diff)
downloadlinux-f43b9876e857c739d407bc56df288b0ebe1a9164.tar.xz
x86/retbleed: Add fine grained Kconfig knobs
Do fine-grained Kconfig for all the various retbleed parts. NOTE: if your compiler doesn't support return thunks this will silently 'upgrade' your mitigation to IBPB, you might not like this. Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Signed-off-by: Borislav Petkov <bp@suse.de>
Diffstat (limited to 'security')
-rw-r--r--security/Kconfig11
1 files changed, 0 insertions, 11 deletions
diff --git a/security/Kconfig b/security/Kconfig
index f29e4c656983..e6db09a779b7 100644
--- a/security/Kconfig
+++ b/security/Kconfig
@@ -54,17 +54,6 @@ config SECURITY_NETWORK
implement socket and networking access controls.
If you are unsure how to answer this question, answer N.
-config PAGE_TABLE_ISOLATION
- bool "Remove the kernel mapping in user mode"
- default y
- depends on (X86_64 || X86_PAE) && !UML
- help
- This feature reduces the number of hardware side channels by
- ensuring that the majority of kernel addresses are not mapped
- into userspace.
-
- See Documentation/x86/pti.rst for more details.
-
config SECURITY_INFINIBAND
bool "Infiniband Security Hooks"
depends on SECURITY && INFINIBAND