Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
KVM: arm64: Add trap routing for GMID_EL1
HCR_EL2.TID5 is currently ignored by the trap routing infrastructure.
Wire it in the routing table so that GMID_EL1, the sole register
trapped by this bit, is correctly handled in the NV case.
Link: https://patch.msgid.link/20260108173233.2911955-3-maz@kernel.org
Signed-off-by: Marc Zyngier <maz@kernel.org>
+8
+8
arch/arm64/kvm/emulate-nested.c
+8
arch/arm64/kvm/emulate-nested.c
···
70
70
CGT_HCR_ENSCXT,
71
71
CGT_HCR_TTLBIS,
72
72
CGT_HCR_TTLBOS,
73
+
CGT_HCR_TID5,
73
74
74
75
CGT_MDCR_TPMCR,
75
76
CGT_MDCR_TPM,
···
307
306
.index = HCR_EL2,
308
307
.value = HCR_TTLBOS,
309
308
.mask = HCR_TTLBOS,
309
+
.behaviour = BEHAVE_FORWARD_RW,
310
+
},
311
+
[CGT_HCR_TID5] = {
312
+
.index = HCR_EL2,
313
+
.value = HCR_TID5,
314
+
.mask = HCR_TID5,
310
315
.behaviour = BEHAVE_FORWARD_RW,
311
316
},
312
317
[CGT_MDCR_TPMCR] = {
···
672
665
SR_TRAP(SYS_CCSIDR2_EL1, CGT_HCR_TID2_TID4),
673
666
SR_TRAP(SYS_CLIDR_EL1, CGT_HCR_TID2_TID4),
674
667
SR_TRAP(SYS_CSSELR_EL1, CGT_HCR_TID2_TID4),
668
+
SR_TRAP(SYS_GMID_EL1, CGT_HCR_TID5),
675
669
SR_RANGE_TRAP(SYS_ID_PFR0_EL1,
676
670
sys_reg(3, 0, 0, 7, 7), CGT_HCR_TID3),
677
671
SR_TRAP(SYS_ICC_SGI0R_EL1, CGT_HCR_IMO_FMO_ICH_HCR_TC),