xen: disable ACPI NUMA for PV guests
Xen does not currently expose PV-NUMA information to PV guests. Therefore disable NUMA for the time being to prevent the kernel picking up on an host-level NUMA information which it might come across in the firmware. [ Added comment - Jeremy ] Signed-off-by: Ian Campbell <ian.campbell@citrix.com> Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com> Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
This commit is contained in:
parent
d1b758ebc2
commit
c1f5db1a53
|
@ -1174,6 +1174,15 @@ asmlinkage void __init xen_start_kernel(void)
|
|||
|
||||
xen_smp_init();
|
||||
|
||||
#ifdef CONFIG_ACPI_NUMA
|
||||
/*
|
||||
* The pages we from Xen are not related to machine pages, so
|
||||
* any NUMA information the kernel tries to get from ACPI will
|
||||
* be meaningless. Prevent it from trying.
|
||||
*/
|
||||
acpi_numa = -1;
|
||||
#endif
|
||||
|
||||
pgd = (pgd_t *)xen_start_info->pt_base;
|
||||
|
||||
if (!xen_initial_domain())
|
||||
|
|
Loading…
Reference in a new issue