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dm: rtvm enable lapic_pt automatically

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Enable `lapic_pt` automatically for rtvm for better performance.

Reserve `--lapic_pt` for future use. If VM is not in realtime mode,
`--lapic_pt` will cause a warning.

Tracked-On: #6690
Signed-off-by: Yuanyuan Zhao <yuanyuan.zhao@linux.intel.com>
Acked-by: Wang, Yu1 <yu1.wang@intel.com>
This commit is contained in:
Yuanyuan Zhao 2022-01-20 02:28:14 +00:00 committed by acrnsi-robot
parent c4d0eb3395
commit 47ff99fd64
1 changed files with 5 additions and 1 deletions
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6
devicemodel/core/main.c
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@ -932,10 +932,10 @@ main(int argc, char *argv[])
break;
case CMD_OPT_LAPIC_PT:
lapic_pt = true;
is_rtvm = true;
break;
case CMD_OPT_RTVM:
is_rtvm = true;
lapic_pt = true;
break;
case CMD_OPT_SOFTWARE_SRAM:
if (parse_vssram_buf_params(optarg) != 0)
@ -1003,6 +1003,10 @@ main(int argc, char *argv[])
usage(1);
}
if (lapic_pt == true && is_rtvm == false) {
lapic_pt = false;
pr_warn("Only a Realtime VM can use local APIC pass through, '--lapic_pt' is invalid here.\n");
}
vmname = argv[0];
if (strnlen(vmname, MAX_VM_NAME_LEN) >= MAX_VM_NAME_LEN) {