We ignore silently the value of smp_threads when we set
the default VSMT value, and if smp_threads is greater than VSMT
kernel is going into trouble later.
Fixes:
8904e5a750
("spapr: Adjust default VSMT value for better migration compatibility")
Signed-off-by: Laurent Vivier <lvivier@redhat.com>
Reviewed-by: Greg Kurz <groug@kaod.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
* the value that we'd get with KVM on POWER8, the
* overwhelmingly common case in production systems.
*/
- spapr->vsmt = 8;
+ spapr->vsmt = MAX(8, smp_threads);
}
/* KVM: If necessary, set the SMT mode: */