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| author | Marc Zyngier <maz@kernel.org> | 2020-07-28 16:26:16 +0100 |
|---|---|---|
| committer | Marc Zyngier <maz@kernel.org> | 2020-07-28 16:26:16 +0100 |
| commit | a394cf6e854d40968d43693597532a242019e337 (patch) | |
| tree | 7bf6e1db24c7cabeccfafe6001c91daa642412f4 /arch/arm64/Kconfig | |
| parent | c9dc95005a681cf93c4012f7cc75eaa0ad12bfdc (diff) | |
| parent | a59a2edbbba7397fede86e40a3da17e5beebf98b (diff) | |
| download | linux-a394cf6e854d40968d43693597532a242019e337.tar.gz linux-a394cf6e854d40968d43693597532a242019e337.tar.xz | |
Merge branch 'kvm-arm64/misc-5.9' into kvmarm-master/next-WIP
Signed-off-by: Marc Zyngier <maz@kernel.org>
Diffstat (limited to 'arch/arm64/Kconfig')
| -rw-r--r-- | arch/arm64/Kconfig | 16 |
1 files changed, 0 insertions, 16 deletions
diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig index 27cfac561745..12739999f19c 100644 --- a/arch/arm64/Kconfig +++ b/arch/arm64/Kconfig @@ -1182,22 +1182,6 @@ config HARDEN_BRANCH_PREDICTOR If unsure, say Y. -config HARDEN_EL2_VECTORS - bool "Harden EL2 vector mapping against system register leak" if EXPERT - default y - help - Speculation attacks against some high-performance processors can - be used to leak privileged information such as the vector base - register, resulting in a potential defeat of the EL2 layout - randomization. - - This config option will map the vectors to a fixed location, - independent of the EL2 code mapping, so that revealing VBAR_EL2 - to an attacker does not give away any extra information. This - only gets enabled on affected CPUs. - - If unsure, say Y. - config ARM64_SSBD bool "Speculative Store Bypass Disable" if EXPERT default y |