On 25.10.18 14:37, Michael Mueller wrote:
> The function atomically returns the address of the first
> GISA of this list and stores a zero address in the origin
> list field of the GIB instead.
>
> The GIB alert list contains all GISAs that have pending
> adapter interruptions.
>
> Signed-off-by: Michael Mueller <mimu@xxxxxxxxxxxxx>
That's a trivial seven line function, which you start using in patch #9
and you need to add __maybe_unused so it keeps compiling.
Please squash that.
> ---
> arch/s390/kvm/interrupt.c | 8 ++++++++
> 1 file changed, 8 insertions(+)
>
> diff --git a/arch/s390/kvm/interrupt.c b/arch/s390/kvm/interrupt.c
> index ce258d6b7c06..487cad95e2c9 100644
> --- a/arch/s390/kvm/interrupt.c
> +++ b/arch/s390/kvm/interrupt.c
> @@ -2886,6 +2886,14 @@ int kvm_s390_get_irq_state(struct kvm_vcpu *vcpu, __u8 __user *buf, int len)
> return n;
> }
>
> +static struct kvm_s390_gisa __maybe_unused *unlink_gib_alert_list(void)
> +{
> + if (!gib)
> + return NULL;
> +
> + return (void *)(u64) atomic_xchg(&gib->alert_list_origin, 0);
> +}
> +
> static void nullify_gisa(struct kvm_s390_gisa *gisa)
> {
> memset(gisa, 0, sizeof(struct kvm_s390_gisa));
>
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