Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
KVM: arm64: Remove all traces of FEAT_TME
FEAT_TME has been dropped from the architecture. Retrospectively.
I'm sure someone is crying somewhere, but most of us won't.
Clean-up time.
Reviewed-by: Fuad Tabba <tabba@google.com>
Tested-by: Fuad Tabba <tabba@google.com>
Link: https://patch.msgid.link/20260202184329.2724080-18-maz@kernel.org
Signed-off-by: Marc Zyngier <maz@kernel.org>
+3
-23
-7
arch/arm64/kvm/config.c
-7
arch/arm64/kvm/config.c
···
187
187
#define FEAT_RME ID_AA64PFR0_EL1, RME, IMP
188
188
#define FEAT_MPAM ID_AA64PFR0_EL1, MPAM, 1
189
189
#define FEAT_S2FWB ID_AA64MMFR2_EL1, FWB, IMP
190
-
#define FEAT_TME ID_AA64ISAR0_EL1, TME, IMP
191
190
#define FEAT_TWED ID_AA64MMFR1_EL1, TWED, IMP
192
191
#define FEAT_E2H0 ID_AA64MMFR4_EL1, E2H0, IMP
193
192
#define FEAT_SRMASK ID_AA64MMFR4_EL1, SRMASK, IMP
···
990
991
NEEDS_FEAT(HCR_EL2_FIEN, feat_rasv1p1),
991
992
NEEDS_FEAT(HCR_EL2_GPF, FEAT_RME),
992
993
NEEDS_FEAT(HCR_EL2_FWB, FEAT_S2FWB),
993
-
NEEDS_FEAT(HCR_EL2_TME, FEAT_TME),
994
994
NEEDS_FEAT(HCR_EL2_TWEDEL |
995
995
HCR_EL2_TWEDEn,
996
996
FEAT_TWED),
···
1100
1102
NEEDS_FEAT(SCTLR_EL1_EnRCTX, FEAT_SPECRES),
1101
1103
NEEDS_FEAT(SCTLR_EL1_DSSBS, FEAT_SSBS),
1102
1104
NEEDS_FEAT(SCTLR_EL1_TIDCP, FEAT_TIDCP1),
1103
-
NEEDS_FEAT(SCTLR_EL1_TME0 |
1104
-
SCTLR_EL1_TME |
1105
-
SCTLR_EL1_TMT0 |
1106
-
SCTLR_EL1_TMT,
1107
-
FEAT_TME),
1108
1105
NEEDS_FEAT(SCTLR_EL1_TWEDEL |
1109
1106
SCTLR_EL1_TWEDEn,
1110
1107
FEAT_TWED),
-5
arch/arm64/kvm/nested.c
-5
arch/arm64/kvm/nested.c
···
1505
1505
u64 orig_val = val;
1506
1506
1507
1507
switch (reg) {
1508
-
case SYS_ID_AA64ISAR0_EL1:
1509
-
/* Support everything but TME */
1510
-
val &= ~ID_AA64ISAR0_EL1_TME;
1511
-
break;
1512
-
1513
1508
case SYS_ID_AA64ISAR1_EL1:
1514
1509
/* Support everything but LS64 and Spec Invalidation */
1515
1510
val &= ~(ID_AA64ISAR1_EL1_LS64 |
+3
-9
arch/arm64/tools/sysreg
+3
-9
arch/arm64/tools/sysreg
···
1856
1856
0b0000 NI
1857
1857
0b0001 IMP
1858
1858
EndEnum
1859
-
UnsignedEnum 27:24 TME
1860
-
0b0000 NI
1861
-
0b0001 IMP
1862
-
EndEnum
1859
+
Res0 27:24
1863
1860
UnsignedEnum 23:20 ATOMIC
1864
1861
0b0000 NI
1865
1862
0b0010 IMP
···
2429
2432
Field 56 EnALS
2430
2433
Field 55 EnAS0
2431
2434
Field 54 EnASR
2432
-
Field 53 TME
2433
-
Field 52 TME0
2434
-
Field 51 TMT
2435
-
Field 50 TMT0
2435
+
Res0 53:50
2436
2436
Field 49:46 TWEDEL
2437
2437
Field 45 TWEDEn
2438
2438
Field 44 DSSBS
···
3834
3840
Field 42 NV
3835
3841
Field 41 API
3836
3842
Field 40 APK
3837
-
Field 39 TME
3843
+
Res0 39
3838
3844
Field 38 MIOCNCE
3839
3845
Field 37 TEA
3840
3846
Field 36 TERR
-1
tools/perf/Documentation/perf-arm-spe.txt
-1
tools/perf/Documentation/perf-arm-spe.txt
···
176
176
bit 10 - Remote access (FEAT_SPEv1p4)
177
177
bit 11 - Misaligned access (FEAT_SPEv1p1)
178
178
bit 12-15 - IMPLEMENTATION DEFINED events (when implemented)
179
-
bit 16 - Transaction (FEAT_TME)
180
179
bit 17 - Partial or empty SME or SVE predicate (FEAT_SPEv1p1)
181
180
bit 18 - Empty SME or SVE predicate (FEAT_SPEv1p1)
182
181
bit 19 - L2D access (FEAT_SPEv1p4)
-1
tools/testing/selftests/kvm/arm64/set_id_regs.c
-1
tools/testing/selftests/kvm/arm64/set_id_regs.c
···
91
91
REG_FTR_BITS(FTR_LOWER_SAFE, ID_AA64ISAR0_EL1, SM3, 0),
92
92
REG_FTR_BITS(FTR_LOWER_SAFE, ID_AA64ISAR0_EL1, SHA3, 0),
93
93
REG_FTR_BITS(FTR_LOWER_SAFE, ID_AA64ISAR0_EL1, RDM, 0),
94
-
REG_FTR_BITS(FTR_LOWER_SAFE, ID_AA64ISAR0_EL1, TME, 0),
95
94
REG_FTR_BITS(FTR_LOWER_SAFE, ID_AA64ISAR0_EL1, ATOMIC, 0),
96
95
REG_FTR_BITS(FTR_LOWER_SAFE, ID_AA64ISAR0_EL1, CRC32, 0),
97
96
REG_FTR_BITS(FTR_LOWER_SAFE, ID_AA64ISAR0_EL1, SHA2, 0),