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KVM: MIPS: Add 64BIT capability

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Add a new KVM_CAP_MIPS_64BIT capability to indicate that 64-bit MIPS
guests are available and supported. In this case it should still be
possible to run 32-bit guest code. If not available it won't be possible
to run 64-bit guest code and the instructions may not be available, or
the kernel may not support full context switching of 64-bit registers.

Signed-off-by: James Hogan <james.hogan@imgtec.com>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: "Radim Krčmář" <rkrcmar@redhat.com>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: linux-mips@linux-mips.org
Cc: kvm@vger.kernel.org
Cc: linux-doc@vger.kernel.org
This commit is contained in:
James Hogan
2017-03-14 10:15:20 +00:00
parent a8a3c42677
commit 578fd61d2d
2 changed files with 26 additions and 0 deletions
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1
include/uapi/linux/kvm.h
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@@ -889,6 +889,7 @@ struct kvm_ppc_resize_hpt {
#define KVM_CAP_IMMEDIATE_EXIT 136
#define KVM_CAP_MIPS_VZ 137
#define KVM_CAP_MIPS_TE 138
#define KVM_CAP_MIPS_64BIT 139
#ifdef KVM_CAP_IRQ_ROUTING