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authorJanosch Frank <frankja@linux.ibm.com>2019-10-02 10:46:58 +0200
committerChristian Borntraeger <borntraeger@de.ibm.com>2020-02-27 19:47:10 +0100
commit3e6c556899d02e04d3d65f0e12adfbe05a557832 (patch)
treef25007ffd30f2add4192ed929af44340be49cb80 /arch/s390/kvm/kvm-s390.h
parentKVM: s390/interrupt: do not pin adapter interrupt pages (diff)
downloadlinux-3e6c556899d02e04d3d65f0e12adfbe05a557832.tar.xz
linux-3e6c556899d02e04d3d65f0e12adfbe05a557832.zip
KVM: s390: protvirt: Add UV debug trace
Let's have some debug traces which stay around for longer than the guest. Signed-off-by: Janosch Frank <frankja@linux.ibm.com> Reviewed-by: David Hildenbrand <david@redhat.com> Reviewed-by: Cornelia Huck <cohuck@redhat.com> [borntraeger@de.ibm.com: patch merging, splitting, fixing] Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
Diffstat (limited to 'arch/s390/kvm/kvm-s390.h')
-rw-r--r--arch/s390/kvm/kvm-s390.h13
1 files changed, 12 insertions, 1 deletions
diff --git a/arch/s390/kvm/kvm-s390.h b/arch/s390/kvm/kvm-s390.h
index 6d9448dbd052..be55b4b99bd3 100644
--- a/arch/s390/kvm/kvm-s390.h
+++ b/arch/s390/kvm/kvm-s390.h
@@ -2,7 +2,7 @@
/*
* definition for kvm on s390
*
- * Copyright IBM Corp. 2008, 2009
+ * Copyright IBM Corp. 2008, 2020
*
* Author(s): Carsten Otte <cotte@de.ibm.com>
* Christian Borntraeger <borntraeger@de.ibm.com>
@@ -25,6 +25,17 @@
#define IS_ITDB_VALID(vcpu) ((*(char *)vcpu->arch.sie_block->itdba == TDB_FORMAT1))
extern debug_info_t *kvm_s390_dbf;
+extern debug_info_t *kvm_s390_dbf_uv;
+
+#define KVM_UV_EVENT(d_kvm, d_loglevel, d_string, d_args...)\
+do { \
+ debug_sprintf_event((d_kvm)->arch.dbf, d_loglevel, d_string "\n", \
+ d_args); \
+ debug_sprintf_event(kvm_s390_dbf_uv, d_loglevel, \
+ "%d: " d_string "\n", (d_kvm)->userspace_pid, \
+ d_args); \
+} while (0)
+
#define KVM_EVENT(d_loglevel, d_string, d_args...)\
do { \
debug_sprintf_event(kvm_s390_dbf, d_loglevel, d_string "\n", \