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| author | Marc Zyngier <maz@kernel.org> | 2020-01-24 22:42:15 +0000 |
|---|---|---|
| committer | Marc Zyngier <maz@kernel.org> | 2020-03-24 10:56:04 +0000 |
| commit | 541ad0150ca4aa663a2dcb9c834ab493168fe494 (patch) | |
| tree | 59700888be226a8ce0a67b30b14a057c229a3841 /Documentation | |
| parent | bb7c62bcb8488e198bdc4ea8e991de0b59770632 (diff) | |
| download | linux-541ad0150ca4aa663a2dcb9c834ab493168fe494.tar.bz2 | |
arm: Remove 32bit KVM host support
That's it. Remove all references to KVM itself, and document
that although it is no more, the ABI between SVC and HYP still
exists.
Signed-off-by: Marc Zyngier <maz@kernel.org>
Acked-by: Olof Johansson <olof@lixom.net>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Will Deacon <will@kernel.org>
Acked-by: Vladimir Murzin <vladimir.murzin@arm.com>
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Christoffer Dall <christoffer.dall@arm.com>
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/virt/kvm/arm/hyp-abi.rst | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/Documentation/virt/kvm/arm/hyp-abi.rst b/Documentation/virt/kvm/arm/hyp-abi.rst index d1fc27d848e9..d9eba93aa364 100644 --- a/Documentation/virt/kvm/arm/hyp-abi.rst +++ b/Documentation/virt/kvm/arm/hyp-abi.rst @@ -11,6 +11,11 @@ hypervisor when running as a guest (under Xen, KVM or any other hypervisor), or any hypervisor-specific interaction when the kernel is used as a host. +Note: KVM/arm has been removed from the kernel. The API described +here is still valid though, as it allows the kernel to kexec when +booted at HYP. It can also be used by a hypervisor other than KVM +if necessary. + On arm and arm64 (without VHE), the kernel doesn't run in hypervisor mode, but still needs to interact with it, allowing a built-in hypervisor to be either installed or torn down. |