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Michael, here are two virtio/s390 patches for 4.8. First, Jing Liu noticed that she could trigger panics while playing around with hvc0 as preferred console but no virtio console: This can be fixed by not discarding our early_put_chars after init (as the minimal fix). This made us wonder why we still have that code around when no current host code supports the old transport: We have no idea

Michael, here are two virtio/s390 patches for 4.8. First, Jing Liu noticed that she could trigger panics while playing around with hvc0 as preferred console but no virtio console: This can be fixed by not discarding our early_put_chars after init (as the minimal fix). This made us wonder why we still have that code around when no current host code supports the old transport: We have no idea

...ing Liu <liujbjl at linux.vnet.ibm.com> Signed-off-by: Cornelia Huck <cornelia.huck at de.ibm.com> --- drivers/s390/virtio/kvm_virtio.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/s390/virtio/kvm_virtio.c b/drivers/s390/virtio/kvm_virtio.c index 1d060fd..b0a849f 100644 --- a/drivers/s390/virtio/kvm_virtio.c +++ b/drivers/s390/virtio/kvm_virtio.c @@ -482,7 +482,7 @@ static int __init kvm_devices_init(void) } /* code for early console output with virtio_console */ -static __init int early_put_chars(u32 vtermno, const char *buf, int count) +static int ear...

...$(CONFIG_S390_GUEST) += kvm_virtio.o virtio_ccw.o +s390-virtio-objs := virtio_ccw.o +ifdef CONFIG_S390_GUEST_OLD_TRANSPORT +s390-virtio-objs += kvm_virtio.o +endif +obj-$(CONFIG_S390_GUEST) += $(s390-virtio-objs) diff --git a/drivers/s390/virtio/kvm_virtio.c b/drivers/s390/virtio/kvm_virtio.c index b0a849f..5e5c11f 100644 --- a/drivers/s390/virtio/kvm_virtio.c +++ b/drivers/s390/virtio/kvm_virtio.c @@ -458,6 +458,8 @@ static int __init kvm_devices_init(void) if (test_devices_support(total_memory_size) < 0) return -ENODEV; + pr_warn("The s390-virtio transport is deprecated. Please switc...