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authorCornelia Huck <cornelia.huck@de.ibm.com>2013-11-13 11:15:02 +0100
committerCornelia Huck <cornelia.huck@de.ibm.com>2013-12-11 19:03:52 +0100
commitd9101fca3d572b8675b7fe3f4ef9f6f99bbf4364 (patch)
treeb44063261ec8214ec373bdc9b0162e5842ba53da /Documentation/virtual/kvm/hypercalls.txt
parentd6d63b51fe3bfea0cf596993afa480b0b3b02c32 (diff)
KVM: s390: diagnose call documentation
Add some further documentation on the DIAGNOSE calls we support. Reviewed-by: Thomas Huth <thuth@linux.vnet.ibm.com> Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Diffstat (limited to 'Documentation/virtual/kvm/hypercalls.txt')
-rw-r--r--Documentation/virtual/kvm/hypercalls.txt3
1 files changed, 3 insertions, 0 deletions
diff --git a/Documentation/virtual/kvm/hypercalls.txt b/Documentation/virtual/kvm/hypercalls.txt
index 022198e389d7..d922d73efa7b 100644
--- a/Documentation/virtual/kvm/hypercalls.txt
+++ b/Documentation/virtual/kvm/hypercalls.txt
@@ -17,6 +17,9 @@ S390:
S390 uses diagnose instruction as hypercall (0x500) along with hypercall
number in R1.
+ For further information on the S390 diagnose call as supported by KVM,
+ refer to Documentation/virtual/kvm/s390-diag.txt.
+
PowerPC:
It uses R3-R10 and hypercall number in R11. R4-R11 are used as output registers.
Return value is placed in R3.