On Mon, 22 Jan 2024 16:28:14 +0000, Mark Brown broonie@kernel.org wrote:
The 2023 architecture extensions have allocated some new ID registers, add them to the KVM system register descriptions so that they are visible to guests.
Signed-off-by: Mark Brown broonie@kernel.org
arch/arm64/kvm/sys_regs.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/arch/arm64/kvm/sys_regs.c b/arch/arm64/kvm/sys_regs.c index 30253bd19917..38503b1cd2eb 100644 --- a/arch/arm64/kvm/sys_regs.c +++ b/arch/arm64/kvm/sys_regs.c @@ -2292,12 +2292,12 @@ static const struct sys_reg_desc sys_reg_descs[] = { ID_AA64PFR0_EL1_AdvSIMD | ID_AA64PFR0_EL1_FP), }, ID_SANITISED(ID_AA64PFR1_EL1),
- ID_UNALLOCATED(4,2),
- ID_SANITISED(ID_AA64PFR2_EL1),
So you now expose all sort of MTE things to the guest?
ID_UNALLOCATED(4,3), ID_WRITABLE(ID_AA64ZFR0_EL1, ~ID_AA64ZFR0_EL1_RES0), ID_HIDDEN(ID_AA64SMFR0_EL1), ID_UNALLOCATED(4,6),
- ID_UNALLOCATED(4,7),
- ID_SANITISED(ID_AA64FPFR0_EL1),
/* CRm=5 */ { SYS_DESC(SYS_ID_AA64DFR0_EL1), @@ -2324,7 +2324,7 @@ static const struct sys_reg_desc sys_reg_descs[] = { ID_WRITABLE(ID_AA64ISAR2_EL1, ~(ID_AA64ISAR2_EL1_RES0 | ID_AA64ISAR2_EL1_APA3 | ID_AA64ISAR2_EL1_GPA3)),
- ID_UNALLOCATED(6,3),
- ID_WRITABLE(ID_AA64ISAR3_EL1, ~ID_AA64ISAR3_EL1_RES0),
How about the non dpISA stuff that is advertised in the same register, and for which no support exists?
ID_UNALLOCATED(6,4), ID_UNALLOCATED(6,5), ID_UNALLOCATED(6,6),
M.