Messages in this thread | | | Date | Wed, 15 Jun 2022 11:53:17 +0200 | Subject | Re: [PATCH v11 07/19] KVM: s390: pv: module parameter to fence asynchronous destroy | From | Janosch Frank <> |
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On 6/3/22 08:56, Claudio Imbrenda wrote: > Add the module parameter "async_destroy", to allow the asynchronous > 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>
Normally this would be one of the last patches in the series, no?
> --- > arch/s390/kvm/kvm-s390.c | 5 +++++ > 1 file changed, 5 insertions(+) > > diff --git a/arch/s390/kvm/kvm-s390.c b/arch/s390/kvm/kvm-s390.c > index 76ad6408cb2c..49e27b5d7c3a 100644 > --- a/arch/s390/kvm/kvm-s390.c > +++ b/arch/s390/kvm/kvm-s390.c > @@ -206,6 +206,11 @@ unsigned int diag9c_forwarding_hz; > module_param(diag9c_forwarding_hz, uint, 0644); > MODULE_PARM_DESC(diag9c_forwarding_hz, "Maximum diag9c forwarding per second, 0 to turn off"); > > +/* allow asynchronous deinit for protected guests, enable by default */ > +static int async_destroy = 1; > +module_param(async_destroy, int, 0444); > +MODULE_PARM_DESC(async_destroy, "Asynchronous destroy for protected guests"); > + > /* > * For now we handle at most 16 double words as this is what the s390 base > * kernel handles and stores in the prefix page. If we ever need to go beyond
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