Ensure 'arch' is always set in cpuArchNodeData

The s390, ppc and arm CPU drivers never set the 'arch' field
in their impl of cpuArchNodeData. This leads to error messages
being reported from cpuDataFree later, due to trying to use
VIR_ARCH_NONE.

 #0  virRaiseErrorFull (filename=filename@entry=0x76f94434 "cpu/cpu.c", funcname=funcname@entry=0x76f942dc <__FUNCTION__.18096> "cpuGetSubDriver", linenr=linenr@entry=58,
     domain=domain@entry=31, code=code@entry=1, level=level@entry=VIR_ERR_ERROR, str1=0x76f70e18 "internal error: %s",
     str2=str2@entry=0x7155f2ec "undefined hardware architecture", str3=str3@entry=0x0, int1=int1@entry=-1, int2=int2@entry=-1, fmt=0x76f70e18 "internal error: %s")
     at util/virerror.c:646
 #1  0x76e682ea in virReportErrorHelper (domcode=domcode@entry=31, errorcode=errorcode@entry=1, filename=0x76f94434 "cpu/cpu.c",
     funcname=0x76f942dc <__FUNCTION__.18096> "cpuGetSubDriver", linenr=linenr@entry=58, fmt=0x76f7e7e4 "%s") at util/virerror.c:1292
 #2  0x76ed82d4 in cpuGetSubDriver (arch=<optimized out>) at cpu/cpu.c:57
 #3  cpuGetSubDriver (arch=VIR_ARCH_NONE) at cpu/cpu.c:51
 #4  0x76ed8818 in cpuDataFree (data=data@entry=0x70c22d78) at cpu/cpu.c:216
 #5  0x716aaec0 in virQEMUCapsInitCPU (arch=VIR_ARCH_ARMV7L, caps=0x70c29a08) at qemu/qemu_capabilities.c:867

Signed-off-by: Daniel P. Berrange <berrange@redhat.com>

diff --git a/src/cpu/cpu.c b/src/cpu/cpu.c
index 023ce2652a16c9413ecaae6706de62babd866120..50c2de31835807c68594aa2e0314321246d01cd7 100644 (file)
--- a/src/cpu/cpu.c
+++ b/src/cpu/cpu.c
@@ -244,7 +244,7 @@ cpuNodeData(virArch arch)
         return NULL;
     }
 
-    return driver->nodeData();
+    return driver->nodeData(arch);
 }
 
 

diff --git a/src/cpu/cpu.h b/src/cpu/cpu.h
index 7f1d4bd027326d9cd751d51a5e98ae0a4b9df66d..69f6fae000557d78404dcb72b54e21c5e1d144f3 100644 (file)
--- a/src/cpu/cpu.h
+++ b/src/cpu/cpu.h
@@ -70,7 +70,7 @@ typedef void
 (*cpuArchDataFree)  (virCPUDataPtr data);
 
 typedef virCPUDataPtr
-(*cpuArchNodeData)  (void);
+(*cpuArchNodeData)  (virArch arch);
 
 typedef virCPUCompareResult
 (*cpuArchGuestData) (virCPUDefPtr host,

diff --git a/src/cpu/cpu_arm.c b/src/cpu/cpu_arm.c
index d1b2a99b17479f35198f4a0965b17722dfd34cda..06c5dc0897a2cd2bc3d4ef020fa3990e58f67190 100644 (file)
--- a/src/cpu/cpu_arm.c
+++ b/src/cpu/cpu_arm.c
@@ -31,11 +31,15 @@
 static const virArch archs[] = { VIR_ARCH_ARMV7L };
 
 static virCPUDataPtr
-ArmNodeData(void)
+ArmNodeData(virArch arch)
 {
     virCPUDataPtr data;
 
-    ignore_value(VIR_ALLOC(data));
+    if (VIR_ALLOC(data) < 0)
+        return NULL;
+
+    data->arch = arch;
+
     return data;
 }
 

diff --git a/src/cpu/cpu_powerpc.c b/src/cpu/cpu_powerpc.c
index 647a8a11e21104b919fff7748d5822f2075a205a..35cb9490cb5747608835921f4a20f223a98022db 100644 (file)
--- a/src/cpu/cpu_powerpc.c
+++ b/src/cpu/cpu_powerpc.c
@@ -353,21 +353,23 @@ ppcDataFree(virCPUDataPtr data)
     VIR_FREE(data);
 }
 
-#if defined(__powerpc__) || defined(__powerpc64__)
 static virCPUDataPtr
-ppcNodeData(void)
+ppcNodeData(virArch arch)
 {
     virCPUDataPtr cpuData;
 
     if (VIR_ALLOC(cpuData) < 0)
         return NULL;
 
+    cpuData->arch = arch;
+
+#if defined(__powerpc__) || defined(__powerpc64__)
     asm("mfpvr %0"
         : "=r" (cpuData->data.ppc.pvr));
+#endif
 
     return cpuData;
 }
-#endif
 
 static int
 ppcUpdate(virCPUDefPtr guest ATTRIBUTE_UNUSED,
@@ -474,11 +476,7 @@ struct cpuArchDriver cpuDriverPowerPC = {
     .decode     = ppcDecode,
     .encode     = NULL,
     .free       = ppcDataFree,
-#if defined(__powerpc__) || defined(__powerpc64__)
     .nodeData   = ppcNodeData,
-#else
-    .nodeData   = NULL,
-#endif
     .guestData  = NULL,
     .baseline   = ppcBaseline,
     .update     = ppcUpdate,

diff --git a/src/cpu/cpu_s390.c b/src/cpu/cpu_s390.c
index d997e06d9ab55474f9c7c8bc2550d05e6bd7bb28..de33e4a9e353e47ab8b24f0efaff8bc5df81c5a6 100644 (file)
--- a/src/cpu/cpu_s390.c
+++ b/src/cpu/cpu_s390.c
@@ -32,13 +32,15 @@
 static const virArch archs[] = { VIR_ARCH_S390, VIR_ARCH_S390X };
 
 static virCPUDataPtr
-s390NodeData(void)
+s390NodeData(virArch arch)
 {
     virCPUDataPtr data;
 
     if (VIR_ALLOC(data) < 0)
         return NULL;
 
+    data->arch = arch;
+
     return data;
 }
 

diff --git a/src/cpu/cpu_x86.c b/src/cpu/cpu_x86.c
index 41ce21fa7659ba9216251b8206f94b779f127807..3d5e16f66175e7a4a078b193cbdb703d3b0521dd 100644 (file)
--- a/src/cpu/cpu_x86.c
+++ b/src/cpu/cpu_x86.c
@@ -1675,7 +1675,7 @@ cpuidSet(uint32_t base, struct cpuX86cpuid **set)
 
 
 static virCPUDataPtr
-x86NodeData(void)
+x86NodeData(virArch arch)
 {
     virCPUDataPtr cpuData = NULL;
     struct cpuX86Data *data;
@@ -1692,7 +1692,7 @@ x86NodeData(void)
         goto error;
     data->extended_len = ret;
 
-    if (!(cpuData = x86MakeCPUData(virArchFromHost(), &data)))
+    if (!(cpuData = x86MakeCPUData(arch, &data)))
         goto error;
 
     return cpuData;