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| author | Joey Gouly <joey.gouly@arm.com> | 2023-06-06 16:58:47 +0200 |
|---|---|---|
| committer | Catalin Marinas <catalin.marinas@arm.com> | 2023-06-06 17:52:40 +0200 |
| commit | fbff560682323dc171c89b4821308af47f166a8f (patch) | |
| tree | 8c70046987203c4b793f544df8aaca57a6c84ec0 /arch/arm64/include/asm | |
| parent | arm64: cpufeature: add Permission Indirection Extension cpucap (diff) | |
| download | linux-fbff560682323dc171c89b4821308af47f166a8f.tar.xz linux-fbff560682323dc171c89b4821308af47f166a8f.zip | |
KVM: arm64: Save/restore TCR2_EL1
Define the new system register TCR2_EL1 and context switch it.
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/20230606145859.697944-9-joey.gouly@arm.com
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Diffstat (limited to 'arch/arm64/include/asm')
| -rw-r--r-- | arch/arm64/include/asm/kvm_host.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/arm64/include/asm/kvm_host.h b/arch/arm64/include/asm/kvm_host.h index 7e7e19ef6993..f2cfb9ef1eeb 100644 --- a/arch/arm64/include/asm/kvm_host.h +++ b/arch/arm64/include/asm/kvm_host.h @@ -279,6 +279,7 @@ enum vcpu_sysreg { TTBR0_EL1, /* Translation Table Base Register 0 */ TTBR1_EL1, /* Translation Table Base Register 1 */ TCR_EL1, /* Translation Control Register */ + TCR2_EL1, /* Extended Translation Control Register */ ESR_EL1, /* Exception Syndrome Register */ AFSR0_EL1, /* Auxiliary Fault Status Register 0 */ AFSR1_EL1, /* Auxiliary Fault Status Register 1 */ |