Commit e92b2573 authored Jun 24, 2022 by Liu Song Committed by Will Deacon Jun 28, 2022

arm64: correct the effect of mitigations off on kpti

If KASLR is enabled, then kpti will be forced to be enabled even if
mitigations off, so we need to adjust the description of this parameter.

Signed-off-by: Liu Song <liusong@linux.alibaba.com>
Link: https://lore.kernel.org/r/1656033648-84181-1-git-send-email-liusong@linux.alibaba.com

Signed-off-by: Will Deacon <will@kernel.org>

parent 1c9a8e87

Documentation/admin-guide/kernel-parameters.txt

+1 −1

Original line number	Diff line number	Diff line
		@@ -3161,7 +3161,7 @@
		improves system performance, but it may also
		expose users to several CPU vulnerabilities.
		Equivalent to: nopti [X86,PPC]
		kpti=0 [ARM64]
		if nokaslr then kpti=0 [ARM64]
		nospectre_v1 [X86,PPC]
		nobp=0 [S390]
		nospectre_v2 [X86,PPC,S390,ARM64]