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vl: Allow multiple -overcommit commands

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Both cpu-pm and mem-lock are related to system resource overcommit, but
they are separate from each other, in terms of how they are realized,
and of course, they are applied to different system resources.

It's tempting to use separate command lines to specify their behavior.
e.g., in the following example, the cpu-pm command is quietly
overwritten, and it's not easy to notice it without careful inspection.

  --overcommit mem-lock=on
  --overcommit cpu-pm=on

Fixes: c8c9dc42b7 ("Remove the deprecated -realtime option")
Suggested-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Zide Chen <zide.chen@intel.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Zhao Liu <zhao1.liu@intel.com>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Michael Tokarev <mjt@tls.msk.ru>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
This commit is contained in:
Zide Chen 2024-06-03 17:02:21 -07:00 committed by Michael Tokarev
parent 2b5d12b685
commit 3fd73736c6
1 changed files with 2 additions and 2 deletions
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4
system/vl.c
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@ -3546,8 +3546,8 @@ void qemu_init(int argc, char **argv)
if (!opts) {
exit(1);
}
enable_mlock = qemu_opt_get_bool(opts, "mem-lock", false);
enable_cpu_pm = qemu_opt_get_bool(opts, "cpu-pm", false);
enable_mlock = qemu_opt_get_bool(opts, "mem-lock", enable_mlock);
enable_cpu_pm = qemu_opt_get_bool(opts, "cpu-pm", enable_cpu_pm);
break;
case QEMU_OPTION_compat:
{