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SubjectRe: [PATCH v5 15/15] KVM: s390: start using the GIB
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On 19/12/2018 20:17, Michael Mueller wrote:
> By initializing the GIB, it will be used by the kvm host.
>
> Signed-off-by: Michael Mueller <mimu@linux.ibm.com>
> ---
> arch/s390/kvm/kvm-s390.c | 8 +++++++-
> 1 file changed, 7 insertions(+), 1 deletion(-)
>
> diff --git a/arch/s390/kvm/kvm-s390.c b/arch/s390/kvm/kvm-s390.c
> index 2d10e175862c..777c8a87d81c 100644
> --- a/arch/s390/kvm/kvm-s390.c
> +++ b/arch/s390/kvm/kvm-s390.c
> @@ -428,16 +428,22 @@ int kvm_arch_init(void *opaque)
> goto out_debug_unreg;
> }
>
> + rc = kvm_s390_gib_init(GAL_ISC);
> + if (rc)
> + goto out_debug_unreg;
> +

Since it is the last introduced I have a preference to put the gib
initialization after any existing initialization.
it does not have influence them.

> kvm_s390_cpu_feat_init();
>
> /* Register floating interrupt controller interface. */
> rc = kvm_register_device_ops(&kvm_flic_ops, KVM_DEV_TYPE_FLIC);
> if (rc) {
> pr_err("Failed to register FLIC rc=%d\n", rc);
> - goto out_debug_unreg;
> + goto out_gib_destroy;

It is not a big problem but would make the patch more smaller by
gathering all changes.

> }
> return 0;
>
> +out_gib_destroy:
> + kvm_s390_gib_destroy();
> out_debug_unreg:
> debug_unregister(kvm_s390_dbf);
> return rc;
>

with these changes.
Reviewed-by: Pierre Morel<pmorel@linux.ibm.com>




--
Pierre Morel
Linux/KVM/QEMU in Böblingen - Germany

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