[PATCH v2 18/20] KVM: arm64: Remove all traces of HCR_EL2.MIOCNCE
Marc Zyngier
maz at kernel.org
Mon Feb 2 10:43:27 PST 2026
MIOCNCE had the potential to eat your data, and also was never
implemented by anyone. It's been retrospectively removed from
the architecture, and we're happy to follow that lead.
Reviewed-by: Fuad Tabba <tabba at google.com>
Signed-off-by: Marc Zyngier <maz at kernel.org>
---
arch/arm64/kvm/config.c | 1 -
arch/arm64/tools/sysreg | 3 +--
2 files changed, 1 insertion(+), 3 deletions(-)
diff --git a/arch/arm64/kvm/config.c b/arch/arm64/kvm/config.c
index c1b76a76a5e4e..8640f9c9b2e0e 100644
--- a/arch/arm64/kvm/config.c
+++ b/arch/arm64/kvm/config.c
@@ -938,7 +938,6 @@ static const struct reg_bits_to_feat_map hcr_feat_map[] = {
HCR_EL2_FMO |
HCR_EL2_ID |
HCR_EL2_IMO |
- HCR_EL2_MIOCNCE |
HCR_EL2_PTW |
HCR_EL2_SWIO |
HCR_EL2_TACR |
diff --git a/arch/arm64/tools/sysreg b/arch/arm64/tools/sysreg
index 650d7d477087e..724e6ad966c20 100644
--- a/arch/arm64/tools/sysreg
+++ b/arch/arm64/tools/sysreg
@@ -3834,8 +3834,7 @@ Field 43 NV1
Field 42 NV
Field 41 API
Field 40 APK
-Res0 39
-Field 38 MIOCNCE
+Res0 39:38
Field 37 TEA
Field 36 TERR
Field 35 TLOR
--
2.47.3
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