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authorJames Hogan <james.hogan@imgtec.com>2016-08-19 15:09:47 +0100
committerJames Hogan <james.hogan@imgtec.com>2016-09-08 18:29:54 +0100
commitd5888477d31c64dba9264fbb33cfa9b066f071d0 (patch)
treefdc2e5eb025f4f977b78f78ef4e76e786781886d /arch/mips/kvm/mmu.c
parentf6f7017192ad62669dc8aa4cb33e5f5a0ecd2d81 (diff)
downloadlinux-d5888477d31c64dba9264fbb33cfa9b066f071d0.tar.bz2
KVM: MIPS: Emulate MMIO via TLB miss for EVA
MIPS Enhanced Virtual Addressing (EVA) allows the virtual memory segments to be rearranged such that the KSeg0/KSeg1 segments are accessible TLB mapped to user mode, which would trigger a TLB Miss exception (due to lack of TLB mappings) instead of an Address Error exception. Update the TLB Miss handling similar to Address Error handling for guest MMIO emulation. 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: linux-mips@linux-mips.org Cc: kvm@vger.kernel.org
Diffstat (limited to 'arch/mips/kvm/mmu.c')
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