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KVM: MIPS/VZ: Support guest CP0_BadInstr[P]

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Add support for VZ guest CP0_BadInstr and CP0_BadInstrP registers, as
found on most VZ capable cores. These guest registers need context
switching, and exposing via the KVM ioctl API when they are present.

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 10:15:33 +00:00
parent 56f7a44050
commit edc89260d4
3 changed files with 52 additions and 0 deletions
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2
Documentation/virtual/kvm/api.txt
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@ -2079,6 +2079,8 @@ registers, find a list below:
MIPS | KVM_REG_MIPS_CP0_WIRED | 32
MIPS | KVM_REG_MIPS_CP0_HWRENA | 32
MIPS | KVM_REG_MIPS_CP0_BADVADDR | 64
MIPS | KVM_REG_MIPS_CP0_BADINSTR | 32
MIPS | KVM_REG_MIPS_CP0_BADINSTRP | 32
MIPS | KVM_REG_MIPS_CP0_COUNT | 32
MIPS | KVM_REG_MIPS_CP0_ENTRYHI | 64
MIPS | KVM_REG_MIPS_CP0_COMPARE | 32