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| author | Pierre-Clément Tosi <ptosi@google.com> | 2024-06-10 07:32:32 +0100 |
|---|---|---|
| committer | Oliver Upton <oliver.upton@linux.dev> | 2024-06-20 17:40:54 +0000 |
| commit | 6e3b773ed6bc5e783fa314b75071f022324f94a8 (patch) | |
| tree | a804673056cf166f6a79e78e104d46bbbb2a8c55 /arch/arm64/kvm/hyp | |
| parent | ea9d7c83d14e332db9ae25eb2872b90a06ebc9e6 (diff) | |
| download | linux-stable-6e3b773ed6bc5e783fa314b75071f022324f94a8.tar.gz linux-stable-6e3b773ed6bc5e783fa314b75071f022324f94a8.tar.bz2 linux-stable-6e3b773ed6bc5e783fa314b75071f022324f94a8.zip | |
KVM: arm64: nVHE: Simplify invalid_host_el2_vect
The invalid_host_el2_vect macro is used by EL2{t,h} handlers in nVHE
*host* context, which should never run with a guest context loaded.
Therefore, remove the superfluous vCPU context check and branch
unconditionally to hyp_panic.
Signed-off-by: Pierre-Clément Tosi <ptosi@google.com>
Acked-by: Will Deacon <will@kernel.org>
Link: https://lore.kernel.org/r/20240610063244.2828978-4-ptosi@google.com
Signed-off-by: Oliver Upton <oliver.upton@linux.dev>
Diffstat (limited to 'arch/arm64/kvm/hyp')
| -rw-r--r-- | arch/arm64/kvm/hyp/nvhe/host.S | 6 |
1 files changed, 0 insertions, 6 deletions
diff --git a/arch/arm64/kvm/hyp/nvhe/host.S b/arch/arm64/kvm/hyp/nvhe/host.S index 135cfb294ee5..3d610fc51f4d 100644 --- a/arch/arm64/kvm/hyp/nvhe/host.S +++ b/arch/arm64/kvm/hyp/nvhe/host.S @@ -197,12 +197,6 @@ SYM_FUNC_END(__host_hvc) sub x0, sp, x0 // x0'' = sp' - x0' = (sp + x0) - sp = x0 sub sp, sp, x0 // sp'' = sp' - x0 = (sp + x0) - x0 = sp - /* If a guest is loaded, panic out of it. */ - stp x0, x1, [sp, #-16]! - get_loaded_vcpu x0, x1 - cbnz x0, __guest_exit_panic - add sp, sp, #16 - /* * The panic may not be clean if the exception is taken before the host * context has been saved by __host_exit or after the hyp context has |