[PATCH v18 02/14] KVM: arm64: Fix FGT mapping for HFGITR_EL2.nGCSEPP
Mark Brown <[email protected]> Mon, 03 Aug 2026 23:56:47 +0100
| Newsgroups | dev.linux.lists.kvmarm,org.infradead.lists.linux-arm-kernel,org.kernel.vger.linux-doc,org.kernel.vger.linux-kernel,org.kernel.vger.linux-kselftest |
|---|---|
| Message-ID | <[email protected]> |
The encoding to trap mapping currently maps a FGT on OP_GCSPOPX to
HFGITR_EL2.nGCSEPP but as per DDI0601 2026-06 this FGT controls trapping
of GCSPUSHX and GCSPOPCX, and not the separate GCSPOPX instruction.
Update the mapping to reflect the architecture.
Fixes: 863ac38984a82 ("KVM: arm64: Add missing HFGITR_EL2 FGT entries to nested virt")
Signed-off-by: Mark Brown <[email protected]>
---
arch/arm64/kvm/emulate-nested.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/arm64/kvm/emulate-nested.c b/arch/arm64/kvm/emulate-nested.c
index 3c82f392845d..b32742d9dd73 100644
--- a/arch/arm64/kvm/emulate-nested.c
+++ b/arch/arm64/kvm/emulate-nested.c
@@ -1432,7 +1432,7 @@ static const struct encoding_to_trap_config encoding_to_fgt[] __initconst = {
SR_FGT(OP_AT_S1E1A, HFGITR, ATS1E1A, 1),
SR_FGT(OP_COSP_RCTX, HFGITR, COSPRCTX, 1),
SR_FGT(OP_GCSPUSHX, HFGITR, nGCSEPP, 0),
- SR_FGT(OP_GCSPOPX, HFGITR, nGCSEPP, 0),
+ SR_FGT(OP_GCSPOPCX, HFGITR, nGCSEPP, 0),
SR_FGT(OP_GCSPUSHM, HFGITR, nGCSPUSHM_EL1, 0),
SR_FGT(OP_BRB_IALL, HFGITR, nBRBIALL, 0),
SR_FGT(OP_BRB_INJ, HFGITR, nBRBINJ, 0),
--
2.47.3