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authorJames Hogan <[email protected]>2016-08-19 14:09:47 +0000
committerJames Hogan <[email protected]>2016-09-08 17:29:54 +0000
commitd5888477d31c64dba9264fbb33cfa9b066f071d0 (patch)
treefdc2e5eb025f4f977b78f78ef4e76e786781886d /drivers/net/xen-netback/interface.c
parentKVM: MIPS: Override HVA error values for EVA (diff)
downloadkernel-d5888477d31c64dba9264fbb33cfa9b066f071d0.tar.gz
kernel-d5888477d31c64dba9264fbb33cfa9b066f071d0.zip
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 <[email protected]> Cc: Paolo Bonzini <[email protected]> Cc: "Radim Krčmář" <[email protected]> Cc: Ralf Baechle <[email protected]> Cc: [email protected] Cc: [email protected]
Diffstat (limited to 'drivers/net/xen-netback/interface.c')
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