aboutsummaryrefslogtreecommitdiffstatshomepage
path: root/arch/arm64/Kconfig
diff options
context:
space:
mode:
authorWill Deacon <will@kernel.org>2020-05-28 18:02:51 +0100
committerWill Deacon <will@kernel.org>2020-05-28 18:02:51 +0100
commitc350717ec7de67daad26d996efe7f3d97d95aa9c (patch)
treed52adde14dec02a415ef4a255027997c160452bc /arch/arm64/Kconfig
parentMerge branch 'for-next/bti' into for-next/core (diff)
parentKVM: arm64: Move __load_guest_stage2 to kvm_mmu.h (diff)
downloadwireguard-linux-c350717ec7de67daad26d996efe7f3d97d95aa9c.tar.xz
wireguard-linux-c350717ec7de67daad26d996efe7f3d97d95aa9c.zip
Merge branch 'for-next/kvm/errata' into for-next/core
KVM CPU errata rework (Andrew Scull and Marc Zyngier) * for-next/kvm/errata: KVM: arm64: Move __load_guest_stage2 to kvm_mmu.h arm64: Unify WORKAROUND_SPECULATIVE_AT_{NVHE,VHE}
Diffstat (limited to 'arch/arm64/Kconfig')
-rw-r--r--arch/arm64/Kconfig39
1 files changed, 18 insertions, 21 deletions
diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig
index 697e6d80963b..999ddaefef1e 100644
--- a/arch/arm64/Kconfig
+++ b/arch/arm64/Kconfig
@@ -528,13 +528,13 @@ config ARM64_ERRATUM_1418040
If unsure, say Y.
-config ARM64_WORKAROUND_SPECULATIVE_AT_VHE
+config ARM64_WORKAROUND_SPECULATIVE_AT
bool
config ARM64_ERRATUM_1165522
- bool "Cortex-A76: Speculative AT instruction using out-of-context translation regime could cause subsequent request to generate an incorrect translation"
+ bool "Cortex-A76: 1165522: Speculative AT instruction using out-of-context translation regime could cause subsequent request to generate an incorrect translation"
default y
- select ARM64_WORKAROUND_SPECULATIVE_AT_VHE
+ select ARM64_WORKAROUND_SPECULATIVE_AT
help
This option adds a workaround for ARM Cortex-A76 erratum 1165522.
@@ -544,10 +544,23 @@ config ARM64_ERRATUM_1165522
If unsure, say Y.
+config ARM64_ERRATUM_1319367
+ bool "Cortex-A57/A72: 1319537: Speculative AT instruction using out-of-context translation regime could cause subsequent request to generate an incorrect translation"
+ default y
+ select ARM64_WORKAROUND_SPECULATIVE_AT
+ help
+ This option adds work arounds for ARM Cortex-A57 erratum 1319537
+ and A72 erratum 1319367
+
+ Cortex-A57 and A72 cores could end-up with corrupted TLBs by
+ speculating an AT instruction during a guest context switch.
+
+ If unsure, say Y.
+
config ARM64_ERRATUM_1530923
- bool "Cortex-A55: Speculative AT instruction using out-of-context translation regime could cause subsequent request to generate an incorrect translation"
+ bool "Cortex-A55: 1530923: Speculative AT instruction using out-of-context translation regime could cause subsequent request to generate an incorrect translation"
default y
- select ARM64_WORKAROUND_SPECULATIVE_AT_VHE
+ select ARM64_WORKAROUND_SPECULATIVE_AT
help
This option adds a workaround for ARM Cortex-A55 erratum 1530923.
@@ -576,22 +589,6 @@ config ARM64_ERRATUM_1286807
invalidated has been observed by other observers. The
workaround repeats the TLBI+DSB operation.
-config ARM64_WORKAROUND_SPECULATIVE_AT_NVHE
- bool
-
-config ARM64_ERRATUM_1319367
- bool "Cortex-A57/A72: Speculative AT instruction using out-of-context translation regime could cause subsequent request to generate an incorrect translation"
- default y
- select ARM64_WORKAROUND_SPECULATIVE_AT_NVHE
- help
- This option adds work arounds for ARM Cortex-A57 erratum 1319537
- and A72 erratum 1319367
-
- Cortex-A57 and A72 cores could end-up with corrupted TLBs by
- speculating an AT instruction during a guest context switch.
-
- If unsure, say Y.
-
config ARM64_ERRATUM_1463225
bool "Cortex-A76: Software Step might prevent interrupt recognition"
default y