diff mbox series

[kvmtool,3/4] x86: Remove the noapic option from the kernel command line

Message ID 20240819010642.13897-1-sidongli1997@gmail.com (mailing list archive)
State New
Headers show
Series [kvmtool,1/4] x86: Set the correct srcbusirq of pci irq mptable | expand

Commit Message

Dongli Si Aug. 19, 2024, 1:06 a.m. UTC
When running guest kernel 6.9 and later and above and the number of vCPUs
is greater than 1, dmesg reports:

[    0.009932] CPU topo: CPU limit of 1 reached. Ignoring further CPUs

Only one CPU is available at this point, solve this problem by enabling io apic.

Signed-off-by: Dongli Si <sidongli1997@gmail.com>
---
 x86/kvm.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/x86/kvm.c b/x86/kvm.c
index 71ebb1e..e07d964 100644
--- a/x86/kvm.c
+++ b/x86/kvm.c
@@ -130,7 +130,7 @@  void kvm__init_ram(struct kvm *kvm)
 /* Arch-specific commandline setup */
 void kvm__arch_set_cmdline(char *cmdline, bool video)
 {
-	strcpy(cmdline, "noapic noacpi pci=conf1 reboot=k panic=1 i8042.direct=1 "
+	strcpy(cmdline, "noacpi pci=conf1 reboot=k panic=1 i8042.direct=1 "
 				"i8042.dumbkbd=1 i8042.nopnp=1");
 	if (video)
 		strcat(cmdline, " video=vesafb");