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| author | Jintack Lim <jintack.lim@linaro.org> | 2023-02-09 20:58:11 +0300 |
|---|---|---|
| committer | Oliver Upton <oliver.upton@linux.dev> | 2023-02-11 12:16:11 +0300 |
| commit | 47f3a2fc765ae2719e6daf39c0a1c757934b152e (patch) | |
| tree | e5a7fb018dbe85c2cfd8c14f1c5a9620db257310 /arch/arm64/include/asm/kvm_host.h | |
| parent | 6ff9dc238a53f4554d97b561fe4e8467d86544d9 (diff) | |
| download | linux-47f3a2fc765ae2719e6daf39c0a1c757934b152e.tar.xz | |
KVM: arm64: nv: Support virtual EL2 exceptions
Support injecting exceptions and performing exception returns to and
from virtual EL2. This must be done entirely in software except when
taking an exception from vEL0 to vEL2 when the virtual HCR_EL2.{E2H,TGE}
== {1,1} (a VHE guest hypervisor).
[maz: switch to common exception injection framework, illegal exeption
return handling]
Reviewed-by: Ganapatrao Kulkarni <gankulkarni@os.amperecomputing.com>
Signed-off-by: Jintack Lim <jintack.lim@linaro.org>
Signed-off-by: Christoffer Dall <christoffer.dall@arm.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20230209175820.1939006-10-maz@kernel.org
Signed-off-by: Oliver Upton <oliver.upton@linux.dev>
Diffstat (limited to 'arch/arm64/include/asm/kvm_host.h')
| -rw-r--r-- | arch/arm64/include/asm/kvm_host.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/arm64/include/asm/kvm_host.h b/arch/arm64/include/asm/kvm_host.h index f53473071bcb..1b585a4dd122 100644 --- a/arch/arm64/include/asm/kvm_host.h +++ b/arch/arm64/include/asm/kvm_host.h @@ -634,7 +634,7 @@ struct kvm_vcpu_arch { #define EXCEPT_AA64_EL1_IRQ __vcpu_except_flags(1) #define EXCEPT_AA64_EL1_FIQ __vcpu_except_flags(2) #define EXCEPT_AA64_EL1_SERR __vcpu_except_flags(3) -/* For AArch64 with NV (one day): */ +/* For AArch64 with NV: */ #define EXCEPT_AA64_EL2_SYNC __vcpu_except_flags(4) #define EXCEPT_AA64_EL2_IRQ __vcpu_except_flags(5) #define EXCEPT_AA64_EL2_FIQ __vcpu_except_flags(6) |