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[PULL,v2,1/7] pc: fix qemu exiting with error when -m X < 128 with old machines types

Message ID 1405640614-9252-2-git-send-email-mst@redhat.com
State New
Headers show

Commit Message

Michael S. Tsirkin July 17, 2014, 11:44 p.m. UTC 
From: Igor Mammedov <imammedo@redhat.com>

If machine doesn't support memory hotplug then staring QEMU
with initial memory less than default will make QEMU exit with
following error message:

$QEMU -m 16  -M isapc
qemu-system-i386: "-memory 'slots|maxmem'" is not supported by: isapc

Set maxram_size to initial memory value before parsing
'maxmem' option allows to keep maxmem in sync with initial
memory size if no maxmem option was specified.

Signed-off-by: Igor Mammedov <imammedo@redhat.com>
CC: Bruce Rogers <brogers@suse.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
---
 vl.c | 1 +
 1 file changed, 1 insertion(+)
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Patch

diff --git a/vl.c b/vl.c
index 6e084c2..6abedcf 100644
--- a/vl.c
+++ b/vl.c
@@ -3315,6 +3315,7 @@  int main(int argc, char **argv, char **envp)
                     error_report("ram size too large");
                     exit(EXIT_FAILURE);
                 }
+                maxram_size = ram_size;
 
                 maxmem_str = qemu_opt_get(opts, "maxmem");
                 slots_str = qemu_opt_get(opts, "slots");