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f9b11e51f8
linux_dsm_epyc7002/arch/mips/kvm
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James Hogan f9b11e51f8 KVM: MIPS/MMU: Pass GPA PTE bits to mapped GVA PTEs 
Propagate the GPA PTE protection bits on to the GVA PTEs on a mapped
fault (except _PAGE_WRITE, and filtered by the guest TLB entry), rather
than always overriding the protection. This allows dirty page tracking
to work in mapped guest segments as a clear dirty bit in the GPA PTE
will propagate to the GVA PTEs even when the guest TLB has the dirty bit
set.

Since the filtering of protection bits is now abstracted, if the buddy
GVA PTE is also valid, we obtain the corresponding GPA PTE using a
simple non-allocating walk and load that into the GVA PTE similarly
(which may itself be invalid).

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
2017-02-03 15:21:27 +00:00
..
00README.txt
callback.c MIPS: KVM: Convert EXPORT_SYMBOL to _GPL 2016-01-24 03:13:24 +01:00
commpage.c MIPS: kvm: Audit and remove any unnecessary uses of module.h 2016-10-05 01:31:20 +02:00
commpage.h MIPS: KVM: Rename files to remove the prefix "kvm_" and "kvm_mips_" 2014-06-30 16:52:03 +02:00
dyntrans.c KVM: MIPS/T&E: Use lockless GVA helpers for dyntrans 2017-02-03 15:21:12 +00:00
emulate.c KVM: MIPS/T&E: Handle read only GPA in TLB mod 2017-02-03 15:21:22 +00:00
entry.c KVM: MIPS: Use CP0_BadInstr[P] for emulation 2017-02-03 15:21:07 +00:00
fpu.S MIPS: KVM: Fix fpu.S misassembly with r6 2016-07-05 16:09:11 +02:00
interrupt.c MIPS: kvm: Audit and remove any unnecessary uses of module.h 2016-10-05 01:31:20 +02:00
interrupt.h MIPS; KVM: Convert exception entry to uasm 2016-07-05 16:08:46 +02:00
Kconfig KVM: MIPS/MMU: Use generic dirty log & protect helper 2017-02-03 15:21:23 +00:00
Makefile MIPS; KVM: Convert exception entry to uasm 2016-07-05 16:08:46 +02:00
mips.c KVM: MIPS: Clean & flush on dirty page logging enable 2017-02-03 15:21:24 +00:00
mmu.c KVM: MIPS/MMU: Pass GPA PTE bits to mapped GVA PTEs 2017-02-03 15:21:27 +00:00
msa.S MIPS: KVM: Add base guest MSA support 2015-03-27 21:25:19 +00:00
stats.c MIPS: KVM: Clean up kvm_exit trace event 2016-06-14 11:16:23 +02:00
tlb.c KVM: MIPS/Emulate: Use lockless GVA helpers for cache emulation 2017-02-03 15:21:15 +00:00
trace.h MIPS: KVM: Combine entry trace events into class 2016-06-23 19:17:30 +02:00
trap_emul.c KVM: MIPS/T&E: Handle read only GPA in TLB mod 2017-02-03 15:21:22 +00:00