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authorHalil Pasic <pasic@linux.vnet.ibm.com>2017-06-23 16:48:23 +0200
committerJuan Quintela <quintela@redhat.com>2017-06-28 11:18:44 +0200
commitd2164ad35c411d97abd2aa5c6f160283d215e214 (patch)
treefffb1821aade0b81089fc02cd5d6880024a265b0 /hw/ppc
parent01f6e14c78f480ade5521139019fdf930a7affaa (diff)
downloadfocaccia-qemu-d2164ad35c411d97abd2aa5c6f160283d215e214.tar.gz
focaccia-qemu-d2164ad35c411d97abd2aa5c6f160283d215e214.zip
vmstate: error hint for failed equal checks
In some cases a failing VMSTATE_*_EQUAL does not mean we detected a bug,
but it's actually the best we can do. Especially in these cases a verbose
error message is required.

Let's introduce infrastructure for specifying a error hint to be used if
equal check fails. Let's do this by adding a parameter to the _EQUAL
macros called _err_hint. Also change all current users to pass NULL as
last parameter so nothing changes for them.

Signed-off-by: Halil Pasic <pasic@linux.vnet.ibm.com>

Message-Id: <20170623144823.42936-1-pasic@linux.vnet.ibm.com>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: Juan Quintela <quintela@redhat.com>
Diffstat (limited to 'hw/ppc')
-rw-r--r--hw/ppc/spapr_iommu.c2
-rw-r--r--hw/ppc/spapr_pci.c4
-rw-r--r--hw/ppc/spapr_vio.c4
3 files changed, 5 insertions, 5 deletions
diff --git a/hw/ppc/spapr_iommu.c b/hw/ppc/spapr_iommu.c
index 0341bc069d..8656a54a3e 100644
--- a/hw/ppc/spapr_iommu.c
+++ b/hw/ppc/spapr_iommu.c
@@ -231,7 +231,7 @@ static const VMStateDescription vmstate_spapr_tce_table = {
     .post_load = spapr_tce_table_post_load,
     .fields      = (VMStateField []) {
         /* Sanity check */
-        VMSTATE_UINT32_EQUAL(liobn, sPAPRTCETable),
+        VMSTATE_UINT32_EQUAL(liobn, sPAPRTCETable, NULL),
 
         /* IOMMU state */
         VMSTATE_UINT32(mig_nb_table, sPAPRTCETable),
diff --git a/hw/ppc/spapr_pci.c b/hw/ppc/spapr_pci.c
index 0b447f2eed..3b37dcdc09 100644
--- a/hw/ppc/spapr_pci.c
+++ b/hw/ppc/spapr_pci.c
@@ -1848,7 +1848,7 @@ static const VMStateDescription vmstate_spapr_pci_lsi = {
     .version_id = 1,
     .minimum_version_id = 1,
     .fields = (VMStateField[]) {
-        VMSTATE_UINT32_EQUAL(irq, struct spapr_pci_lsi),
+        VMSTATE_UINT32_EQUAL(irq, struct spapr_pci_lsi, NULL),
 
         VMSTATE_END_OF_LIST()
     },
@@ -1936,7 +1936,7 @@ static const VMStateDescription vmstate_spapr_pci = {
     .pre_save = spapr_pci_pre_save,
     .post_load = spapr_pci_post_load,
     .fields = (VMStateField[]) {
-        VMSTATE_UINT64_EQUAL(buid, sPAPRPHBState),
+        VMSTATE_UINT64_EQUAL(buid, sPAPRPHBState, NULL),
         VMSTATE_UINT32_TEST(mig_liobn, sPAPRPHBState, pre_2_8_migration),
         VMSTATE_UINT64_TEST(mig_mem_win_addr, sPAPRPHBState, pre_2_8_migration),
         VMSTATE_UINT64_TEST(mig_mem_win_size, sPAPRPHBState, pre_2_8_migration),
diff --git a/hw/ppc/spapr_vio.c b/hw/ppc/spapr_vio.c
index a0ee4fd265..ea3bc8bd9e 100644
--- a/hw/ppc/spapr_vio.c
+++ b/hw/ppc/spapr_vio.c
@@ -557,8 +557,8 @@ const VMStateDescription vmstate_spapr_vio = {
     .minimum_version_id = 1,
     .fields = (VMStateField[]) {
         /* Sanity check */
-        VMSTATE_UINT32_EQUAL(reg, VIOsPAPRDevice),
-        VMSTATE_UINT32_EQUAL(irq, VIOsPAPRDevice),
+        VMSTATE_UINT32_EQUAL(reg, VIOsPAPRDevice, NULL),
+        VMSTATE_UINT32_EQUAL(irq, VIOsPAPRDevice, NULL),
 
         /* General VIO device state */
         VMSTATE_UINT64(signal_state, VIOsPAPRDevice),