Re: [PATCH v5 01/15] KVM: s390: unregister debug feature on failing arch init

From: Michael Mueller
Date: Thu Dec 20 2018 - 02:49:44 EST




On 19.12.18 21:10, Cornelia Huck wrote:
On Wed, 19 Dec 2018 20:17:42 +0100
Michael Mueller <mimu@xxxxxxxxxxxxx> wrote:

Make sure the debug feature and its allocated resources get
released upon unsuccessful architecture initialization.

A related indication of the issue will be reported as kernel
message.

Signed-off-by: Michael Mueller <mimu@xxxxxxxxxxxxx>
Reviewed-by: Cornelia Huck <cohuck@xxxxxxxxxx>
Reviewed-by: Pierre Morel <pmorel@xxxxxxxxxxxxx>
Reviewed-by: David Hildenbrand <david@xxxxxxxxxx>
Message-Id: <20181130143215.69496-2-mimu@xxxxxxxxxxxxx>
Signed-off-by: Christian Borntraeger <borntraeger@xxxxxxxxxx>
---
Documentation/kmsg/s390/kvm | 12 ++++++++++++
arch/s390/kvm/kvm-s390.c | 17 ++++++++++++++---
2 files changed, 26 insertions(+), 3 deletions(-)
create mode 100644 Documentation/kmsg/s390/kvm

diff --git a/Documentation/kmsg/s390/kvm b/Documentation/kmsg/s390/kvm
new file mode 100644
index 000000000000..76ffe2012254
--- /dev/null
+++ b/Documentation/kmsg/s390/kvm
@@ -0,0 +1,12 @@
+/*?
+ * Text: "Failed to register FLIC rc=%d\n"
+ * Severity: Error
+ * Parameter:
+ * @1: return code of the FLIC registration call
+ * Description:
+ * The registration of the FLIC (Floating Interrupt Controller Interface)
+ * 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.
+ */

Hm, it seems that the kmsg stuff crept in there again...


picked from wrong branch, sorry...