| From | Claudio Imbrenda <> | Subject | [PATCH v4 12/14] KVM: s390: pv: module parameter to fence lazy destroy | Date | Wed, 18 Aug 2021 15:26:18 +0200 |
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Add the module parameter "lazy_destroy", to allow the lazy destroy mechanism to be switched off. This might be useful for debugging purposes.
The parameter is enabled by default.
Signed-off-by: Claudio Imbrenda <imbrenda@linux.ibm.com> Reviewed-by: Janosch Frank <frankja@linux.ibm.com> --- arch/s390/kvm/pv.c | 4 ++++ 1 file changed, 4 insertions(+)
diff --git a/arch/s390/kvm/pv.c b/arch/s390/kvm/pv.c index ee11ff6afc4f..e29109af7956 100644 --- a/arch/s390/kvm/pv.c +++ b/arch/s390/kvm/pv.c @@ -16,6 +16,10 @@ #include <linux/sched/mm.h> #include "kvm-s390.h" +static int lazy_destroy = 1; +module_param(lazy_destroy, int, 0444); +MODULE_PARM_DESC(lazy_destroy, "Deferred destroy for protected guests"); + int kvm_s390_pv_destroy_cpu(struct kvm_vcpu *vcpu, u16 *rc, u16 *rrc) { int cc; -- 2.31.1
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