On 5/20/20 3:19 PM, Gerd Hoffmann wrote:
Looks like the logiv was copied over from q35.
Typo 'logiv' -> 'logic'.
q35 does this for backward compatibility, there is no reason to do this
on microvm though. So split @ 2G unconditionally.
Yes please!
Reviewed-by: Philippe Mathieu-Daudé <phi...@redhat.com>
Signed-off-by: Gerd Hoffmann <kra...@redhat.com>
---
hw/i386/microvm.c | 16 +---------------
1 file changed, 1 insertion(+), 15 deletions(-)
diff --git a/hw/i386/microvm.c b/hw/i386/microvm.c
index 867d3d652145..b8f0d3283758 100644
--- a/hw/i386/microvm.c
+++ b/hw/i386/microvm.c
@@ -170,23 +170,9 @@ static void microvm_memory_init(MicrovmMachineState *mms)
MemoryRegion *ram_below_4g, *ram_above_4g;
MemoryRegion *system_memory = get_system_memory();
FWCfgState *fw_cfg;
- ram_addr_t lowmem;
+ ram_addr_t lowmem = 0x80000000; /* 2G */
int i;
- /*
- * Check whether RAM fits below 4G (leaving 1/2 GByte for IO memory
- * and 256 Mbytes for PCI Express Enhanced Configuration Access Mapping
- * also known as MMCFG).
- * If it doesn't, we need to split it in chunks below and above 4G.
- * In any case, try to make sure that guest addresses aligned at
- * 1G boundaries get mapped to host addresses aligned at 1G boundaries.
- */
- if (machine->ram_size >= 0xb0000000) {
- lowmem = 0x80000000;
- } else {
- lowmem = 0xb0000000;
- }
-
/*
* Handle the machine opt max-ram-below-4g. It is basically doing
* min(qemu limit, user limit).