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4d8b81abc4
linux/arch/x86/kvm
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Xiao Guangrong 4d8b81abc4 KVM: introduce readonly memslot 
In current code, if we map a readonly memory space from host to guest
and the page is not currently mapped in the host, we will get a fault
pfn and async is not allowed, then the vm will crash

We introduce readonly memory region to map ROM/ROMD to the guest, read access
is happy for readonly memslot, write access on readonly memslot will cause
KVM_EXIT_MMIO exit

Signed-off-by: Xiao Guangrong <xiaoguangrong@linux.vnet.ibm.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
2012-08-22 15:09:03 +03:00
..
cpuid.c KVM: x86: Fix typos in cpuid.c 2012-07-20 15:27:00 -03:00
cpuid.h KVM: VMX: Implement PCID/INVPCID for guests with EPT 2012-07-12 13:07:34 +03:00
emulate.c KVM: x86 emulator: drop unneeded call to get_segment() 2012-07-26 12:21:29 +03:00
i8254.c KVM: fold kvm_pit_timer into kvm_kpit_state 2012-08-01 00:21:07 -03:00
i8254.h KVM: fold kvm_pit_timer into kvm_kpit_state 2012-08-01 00:21:07 -03:00
i8259.c KVM: x86: drop parameter validation in ioapic/pic 2012-08-14 22:35:22 -03:00
irq.c KVM: fix typo in copyright notice 2010-10-24 10:53:14 +02:00
irq.h KVM: switch to symbolic name for irq_states size 2012-07-20 16:12:16 -03:00
Kconfig KVM: Add config to support ple or cpu relax optimzation 2012-07-23 13:00:53 +03:00
kvm_cache_regs.h KVM: MMU: Do not unconditionally read PDPTE from guest memory 2011-09-25 19:18:01 +03:00
lapic.c KVM: correctly detect APIC SW state in kvm_apic_post_state_restore() 2012-08-09 12:44:46 +03:00
lapic.h KVM: correctly detect APIC SW state in kvm_apic_post_state_restore() 2012-08-09 12:44:46 +03:00
Makefile KVM: Remove internal timer abstraction 2012-08-01 00:21:06 -03:00
mmu_audit.c KVM: do not release the error pfn 2012-08-06 16:04:57 +03:00
mmu.c KVM: introduce readonly memslot 2012-08-22 15:09:03 +03:00
mmu.h KVM: MMU: mmio page fault support 2011-07-24 11:50:40 +03:00
mmutrace.h KVM: MMU: fix kvm_mmu_pagetable_walk tracepoint 2012-07-11 16:51:22 +03:00
paging_tmpl.h KVM: do not release the error pfn 2012-08-06 16:04:57 +03:00
pmu.c Merge branch 'queue' into next 2012-07-26 11:54:21 +03:00
svm.c KVM: do not release the error page 2012-08-06 16:04:58 +03:00
trace.h KVM updates for the 3.6 merge window 2012-07-24 12:01:20 -07:00
tss.h KVM: x86: hardware task switching support 2008-04-27 12:00:39 +03:00
vmx.c KVM: VMX: Advertize RDTSC exiting to nested guests 2012-08-13 19:08:28 -03:00
x86.c KVM: introduce readonly memslot 2012-08-22 15:09:03 +03:00
x86.h KVM: use jump label to optimize checking for in kernel local apic presence 2012-08-06 19:00:44 +03:00