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Revision 39848901

ID398489018183d613306ab022653552247d93919f

Added by Igor Mammedov over 10 years ago

pc: limit 64 bit hole to 2G by default

It turns out that some 32 bit windows guests crash
if 64 bit PCI hole size is >2G.
Limit it to 2G for piix and q35 by default.
User may override default 64-bit PCI hole size by
using "pci-hole64-size" property.

Examples:
-global i440FX-pcihost.pci-hole64-size=4G

-global q35-pcihost.pci-hole64-size=4G

Reported-by: Igor Mammedov <>,
Signed-off-by: Michael S. Tsirkin <>
Signed-off-by: Igor Mammedov <>
Reviewed-by: Michael S. Tsirkin <>
Reviewed-by: Andreas Färber <>
Message-id:
Signed-off-by: Anthony Liguori <>

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