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| author | Joey Gouly <joey.gouly@arm.com> | 2023-06-06 17:58:48 +0300 |
|---|---|---|
| committer | Catalin Marinas <catalin.marinas@arm.com> | 2023-06-06 18:52:40 +0300 |
| commit | 86f9de9db1783b32e8812fe21c2c8cf02cf911ff (patch) | |
| tree | 1245f14610322698780078e3fc20164d294050c1 /arch/arm64/include/asm/kvm_host.h | |
| parent | fbff560682323dc171c89b4821308af47f166a8f (diff) | |
| download | linux-86f9de9db1783b32e8812fe21c2c8cf02cf911ff.tar.xz | |
KVM: arm64: Save/restore PIE registers
Define the new system registers that PIE introduces and context switch them.
The PIE feature is still hidden from the ID register, and not exposed to a VM.
Signed-off-by: Joey Gouly <joey.gouly@arm.com>
Cc: Marc Zyngier <maz@kernel.org>
Cc: Oliver Upton <oliver.upton@linux.dev>
Cc: James Morse <james.morse@arm.com>
Cc: Suzuki K Poulose <suzuki.poulose@arm.com>
Cc: Zenghui Yu <yuzenghui@huawei.com>
Cc: Will Deacon <will@kernel.org>
Reviewed-by: Catalin Marinas <catalin.marinas@arm.com>
Reviewed-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20230606145859.697944-10-joey.gouly@arm.com
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Diffstat (limited to 'arch/arm64/include/asm/kvm_host.h')
| -rw-r--r-- | arch/arm64/include/asm/kvm_host.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/arm64/include/asm/kvm_host.h b/arch/arm64/include/asm/kvm_host.h index f2cfb9ef1eeb..d9f079fbdaf4 100644 --- a/arch/arm64/include/asm/kvm_host.h +++ b/arch/arm64/include/asm/kvm_host.h @@ -340,6 +340,10 @@ enum vcpu_sysreg { TFSR_EL1, /* Tag Fault Status Register (EL1) */ TFSRE0_EL1, /* Tag Fault Status Register (EL0) */ + /* Permission Indirection Extension registers */ + PIR_EL1, /* Permission Indirection Register 1 (EL1) */ + PIRE0_EL1, /* Permission Indirection Register 0 (EL1) */ + /* 32bit specific registers. */ DACR32_EL2, /* Domain Access Control Register */ IFSR32_EL2, /* Instruction Fault Status Register */ |