Commit 4ad64cbd authored by Laurent Vivier's avatar Laurent Vivier Committed by David Gibson
Browse files

spapr: set vsmt to MAX(8, smp_threads) 



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: 8904e5a7
("spapr: Adjust default VSMT value for better migration compatibility")

Signed-off-by: default avatarLaurent Vivier <lvivier@redhat.com>
Reviewed-by: default avatarGreg Kurz <groug@kaod.org>
Signed-off-by: default avatarDavid Gibson <david@gibson.dropbear.id.au>
parent ae14d817

hw/ppc/spapr.c

+1 −1
Original line number Diff line number Diff line
@@ -2310,7 +2310,7 @@ static void spapr_set_vsmt_mode(sPAPRMachineState *spapr, Error **errp) 
         * 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: */