Re: [PATCH v4 10/10] KVM: s390: start using the GIB

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Fri, 30 Nov 2018 15:32:15 +0100
Michael Mueller <mimu@xxxxxxxxxxxxx> wrote:

> By initializing the GIB, it will be used by the kvm host.
> 
> Signed-off-by: Michael Mueller <mimu@xxxxxxxxxxxxx>
> ---
>  Documentation/kmsg/s390/kvm | 12 ++++++++++++
>  arch/s390/kvm/kvm-s390.c    | 10 +++++++++-
>  2 files changed, 21 insertions(+), 1 deletion(-)
> 
> diff --git a/Documentation/kmsg/s390/kvm b/Documentation/kmsg/s390/kvm
> index 76ffe2012254..6908476a54f1 100644
> --- a/Documentation/kmsg/s390/kvm
> +++ b/Documentation/kmsg/s390/kvm
> @@ -10,3 +10,15 @@
>   * If this problem persists after a reload of the kvm kernel module, gather
>   * Linux debug data and contact your support organization.
>   */
> +
> +/*?
> + * Text: "Failed to initialize GIB rc=%d\n"
> + * Severity: Error
> + * Parameter:
> + *   @1: return code of the GIB initialization call
> + * Description:
> + * The initialization if the GIB (Guest Information Block) was not successful.
> + * User action:
> + * If this problem persists after a reload of the kvm kernel module, gather
> + * Linux debug data and contact your support organization.
> + */

This does not exist upstream. Wrong branch?

> diff --git a/arch/s390/kvm/kvm-s390.c b/arch/s390/kvm/kvm-s390.c
> index 2d10e175862c..5f068f3942da 100644
> --- a/arch/s390/kvm/kvm-s390.c
> +++ b/arch/s390/kvm/kvm-s390.c
> @@ -428,16 +428,24 @@ int kvm_arch_init(void *opaque)
>  		goto out_debug_unreg;
>  	}
>  
> +	rc = kvm_s390_gib_init(GAL_ISC);
> +	if (rc) {
> +		pr_err("Failed to initialize GIB rc=%d\n", rc);
> +		goto out_debug_unreg;
> +	}
> +
>  	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;
>  	}
>  	return 0;
>  
> +out_gib_destroy:
> +	kvm_s390_gib_destroy();
>  out_debug_unreg:
>  	debug_unregister(kvm_s390_dbf);
>  	return rc;




[Index of Archives]     [KVM ARM]     [KVM ia64]     [KVM ppc]     [Virtualization Tools]     [Spice Development]     [Libvirt]     [Libvirt Users]     [Linux USB Devel]     [Linux Audio Users]     [Yosemite Questions]     [Linux Kernel]     [Linux SCSI]     [XFree86]

  Powered by Linux