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c87b152072
qemu/hw
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Don Slutz c87b152072 pc & q35: Add new machine opt max-ram-below-4g 
This is a pc & q35 only machine opt.

If you add enough PCI devices then all mmio for them will not fit
below 4G which may not be the layout the user wanted. This allows
you to increase the below 4G address space that PCI devices can use
(aka decrease ram below 4G) and therefore in more cases not have any
mmio that is above 4G.

For example using "-machine pc,max-ram-below-4g=2G" on the command
line will limit the amount of ram that is below 4G to 2G.

Note: this machine option cannot be used to increase the amount
of ram below 4G.

Signed-off-by: Don Slutz <dslutz@verizon.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>

MST: fix 32 bit
2014-06-23 18:02:41 +03:00
..
9pfs virtio: Drop superfluous conditionals around g_free() 2014-06-19 16:41:53 +03:00
acpi qmp: add ACPI_DEVICE_OST event handling 2014-06-19 18:44:22 +03:00
alpha machine: Conversion of QEMUMachineInitArgs to MachineState 2014-05-28 17:35:01 +02:00
arm Use PSCI v0.2 compatible string when KVM or TCG provides it 2014-06-19 18:33:05 +01:00
audio savevm: Remove all the unneeded version_minimum_id_old (x86) 2014-06-16 04:55:26 +02:00
block block: m25p80: Support read only bdrvs. 2014-06-21 16:40:14 +08:00
bt Preparation for usb-bt-dongle conditional build 2013-09-10 11:14:41 +02:00
char savevm: Remove all the unneeded version_minimum_id_old (x86) 2014-06-16 04:55:26 +02:00
core qdev: recursively unrealize devices when unrealizing bus 2014-06-19 18:44:21 +03:00
cpu icc_bus: QOM'ify ICC 2013-12-24 18:02:18 +01:00
cris machine: Conversion of QEMUMachineInitArgs to MachineState 2014-05-28 17:35:01 +02:00
display spice: fix 32bit build 2014-06-20 16:22:07 +01:00
dma savevm: Remove all the unneeded version_minimum_id_old (x86) 2014-06-16 04:55:26 +02:00
gpio savevm: Remove all the unneeded version_minimum_id_old (arm) 2014-05-13 16:09:35 +01:00
i2c savevm: Remove all the unneeded version_minimum_id_old (rest) 2014-05-14 15:24:51 +02:00
i386 pc & q35: Add new machine opt max-ram-below-4g 2014-06-23 18:02:41 +03:00
ide Patch queue for ppc - 2014-06-16 2014-06-16 18:26:21 +01:00
input savevm: Remove all the unneeded version_minimum_id_old (x86) 2014-06-16 04:55:26 +02:00
intc armv7m_nvic: fix AIRCR implementation 2014-06-19 18:33:05 +01:00
ipack savevm: Remove all the unneeded version_minimum_id_old (rest) 2014-05-14 15:24:51 +02:00
isa acpi: implement ospm_status() method for PIIX4/ICH9_LPC devices 2014-06-19 18:44:22 +03:00
lm32 machine: Conversion of QEMUMachineInitArgs to MachineState 2014-05-28 17:35:01 +02:00
m68k machine: Conversion of QEMUMachineInitArgs to MachineState 2014-05-28 17:35:01 +02:00
mem qmp: add query-memory-devices command 2014-06-19 18:44:22 +03:00
microblaze ssi: Name the CS GPIO 2014-05-28 17:36:21 +02:00
mips gt64xxx_pci: Add VMStateDescription 2014-06-20 23:40:16 +02:00
misc macio: Fix timer endianness 2014-06-16 13:24:38 +02:00
moxie machine: Conversion of QEMUMachineInitArgs to MachineState 2014-05-28 17:35:01 +02:00
net e1000: factor out checking for auto-negotiation availability 2014-06-23 17:38:00 +03:00
nvram spapr_nvram: Correct max nvram size 2014-06-16 13:24:26 +02:00
openrisc machine: Conversion of QEMUMachineInitArgs to MachineState 2014-05-28 17:35:01 +02:00
pci pcie: coding style tweak 2014-06-23 17:49:49 +03:00
pci-bridge hw/pcie: implement power controller functionality 2014-06-23 17:48:42 +03:00
pci-host apb: Fix out-of-bounds array write access 2014-06-20 23:52:49 +01:00
pcmcia qom: Add check() argument to object_property_add_link() 2014-03-19 22:23:13 +01:00
ppc NUMA: Add numa_info structure to contain numa nodes info 2014-06-19 18:44:18 +03:00
s390x s390x: cleanup interrupt injection 2014-06-10 09:50:27 +02:00
scsi pc,pci,virtio,hotplug fixes, enhancements 2014-06-20 18:01:24 +01:00
sd hw/sd/sd.c: Drop unused sd_acmd_type[] array 2014-06-10 19:39:34 +04:00
sh4 machine: Conversion of QEMUMachineInitArgs to MachineState 2014-05-28 17:35:01 +02:00
sparc tcx: move initialisation from realizefn to initfn 2014-06-05 20:51:57 +01:00
sparc64 machine: Conversion of QEMUMachineInitArgs to MachineState 2014-05-28 17:35:01 +02:00
ssi ssi: Name the CS GPIO 2014-05-28 17:36:21 +02:00
timer savevm: Remove all the unneeded version_minimum_id_old (x86) 2014-06-16 04:55:26 +02:00
tpm aio / timers: Untangle include files 2013-08-22 19:10:27 +02:00
unicore32 machine: Conversion of QEMUMachineInitArgs to MachineState 2014-05-28 17:35:01 +02:00
usb blockdev: Rename drive_init(), drive_uninit() to drive_new(), drive_del() 2014-06-16 17:23:19 +08:00
virtio virtio-pci: Report an error when msix vectors init fails 2014-06-23 17:38:00 +03:00
watchdog savevm: Remove all the unneeded version_minimum_id_old (x86) 2014-06-16 04:55:26 +02:00
xen trivial patches for 2014-05-07 2014-05-07 18:38:39 +01:00
xenpv machine: Conversion of QEMUMachineInitArgs to MachineState 2014-05-28 17:35:01 +02:00
xtensa machine: Conversion of QEMUMachineInitArgs to MachineState 2014-05-28 17:35:01 +02:00
Makefile.objs pc: implement pc-dimm device abstraction 2014-06-19 16:41:47 +03:00