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target-i386: Fill high bits of mtrr mask

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Fill the bits between 51..number-of-physical-address-bits in the
MTRR_PHYSMASKn variable range mtrr masks so that they're consistent
in the migration stream irrespective of the physical address space
of the source VM in a migration.

Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Suggested-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Eduardo Habkost <ehabkost@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
This commit is contained in:
Dr. David Alan Gilbert 2016-07-08 16:01:38 +01:00 • committed by Eduardo Habkost
parent 112dad69d7
commit fcc35e7cca
4 changed files with 36 additions and 1 deletions
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5
include/hw/i386/pc.h
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@ -377,6 +377,11 @@ bool e820_get_entry(int, uint32_t, uint64_t *, uint64_t *);
.driver = "vmxnet3",\
.property = "romfile",\
.value = "",\
},\
{\
.driver = TYPE_X86_CPU,\
.property = "fill-mtrr-mask",\
.value = "off",\
},
#define PC_COMPAT_2_5 \