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Patch "KVM: s390: Zero out current VMDB of STSI before including level3 data." has been added to the 3.10-stable tree

PATCH [email protected] 1 participant 1 message May 2, 2015

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This is a note to let you know that I've just added the patch titled

KVM: s390: Zero out current VMDB of STSI before including level3 data.

to the 3.10-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-zero-out-current-vmdb-of-stsi-before-including-level3-data.patch
and it can be found in the queue-3.10 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree, please let <[email protected]> know about it.

Quoted 1 line

From b75f4c9afac2604feb971441116c07a24ecca1ec Mon Sep 17 00:00:00 2001

From: Ekaterina Tumanova <[email protected]>
Date: Tue, 3 Mar 2015 09:54:41 +0100
Subject: KVM: s390: Zero out current VMDB of STSI before including level3 data.

From: Ekaterina Tumanova <[email protected]>

commit b75f4c9afac2604feb971441116c07a24ecca1ec upstream.

s390 documentation requires words 0 and 10-15 to be reserved and stored as zeros. As we fill out all other fields, we can memset the full structure.

---
 arch/s390/kvm/priv.c |    1 +
 1 file changed, 1 insertion(+)
arch/s390/kvm/priv.c +1 -0
@@ -328,6 +328,7 @@ static void handle_stsi_3_2_2(struct kvm
 	for (n = mem->count - 1; n > 0 ; n--)
 		memcpy(&mem->vm[n], &mem->vm[n - 1], sizeof(mem->vm[0]));
 
+	memset(&mem->vm[0], 0, sizeof(mem->vm[0]));
 	mem->vm[0].cpus_total = cpus;
 	mem->vm[0].cpus_configured = cpus;
 	mem->vm[0].cpus_standby = 0;

Patches currently in stable-queue which might be from [email protected] are

queue-3.10/kvm-s390-zero-out-current-vmdb-of-stsi-before-including-level3-data.patch