Discussion:
Patch "KVM: s390: unintended fallthrough for external call" has been added to the 3.16-stable tree
g***@linuxfoundation.org
2014-10-23 06:47:15 UTC
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This is a note to let you know that I've just added the patch titled

KVM: s390: unintended fallthrough for external call

to the 3.16-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
kvm-s390-unintended-fallthrough-for-external-call.patch
and it can be found in the queue-3.16 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
From f346026e55f1efd3949a67ddd1dcea7c1b9a615e Mon Sep 17 00:00:00 2001
From: Christian Borntraeger <***@de.ibm.com>
Date: Wed, 3 Sep 2014 16:21:32 +0200
Subject: KVM: s390: unintended fallthrough for external call

From: Christian Borntraeger <***@de.ibm.com>

commit f346026e55f1efd3949a67ddd1dcea7c1b9a615e upstream.

We must not fallthrough if the conditions for external call are not met.

Signed-off-by: Christian Borntraeger <***@de.ibm.com>
Reviewed-by: Thomas Huth <***@linux.vnet.ibm.com>
Signed-off-by: Greg Kroah-Hartman <***@linuxfoundation.org>

---
arch/s390/kvm/interrupt.c | 1 +
1 file changed, 1 insertion(+)

--- a/arch/s390/kvm/interrupt.c
+++ b/arch/s390/kvm/interrupt.c
@@ -85,6 +85,7 @@ static int __interrupt_is_deliverable(st
return 0;
if (vcpu->arch.sie_block->gcr[0] & 0x2000ul)
return 1;
+ return 0;
case KVM_S390_INT_EMERGENCY:
if (psw_extint_disabled(vcpu))
return 0;


Patches currently in stable-queue which might be from ***@de.ibm.com are

queue-3.16/kvm-s390-unintended-fallthrough-for-external-call.patch
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