External/libvirt
1
0
Fork 0
mirror of https://gitlab.com/libvirt/libvirt.git synced 2024-07-31 05:57:16 +00:00
Code Issues Packages Projects Releases Wiki Activity

cpu_x86: Use g_auto* in x86Compute

Browse Source 
Signed-off-by: Jiri Denemark <jdenemar@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
This commit is contained in:
Jiri Denemark 2020-03-25 10:33:03 +01:00
parent c1532711dd
commit edf3c9045f
1 changed files with 24 additions and 41 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

65
src/cpu/cpu_x86.c
View File

@ -1680,7 +1680,6 @@ virCPUx86DataParse(xmlXPathContextPtr ctxt)
* redundant code:
* MSG: error message
* CPU_DEF: a virCPUx86Data pointer with flags that are conflicting
* RET: return code to set
*
* This macro generates the error string outputs it into logs.
*/
@ -1689,13 +1688,12 @@ virCPUx86DataParse(xmlXPathContextPtr ctxt)
char *flagsStr = NULL; \
if (!(flagsStr = x86FeatureNames(map, ", ", (CPU_DEF)))) { \
virReportOOMError(); \
goto error; \
return VIR_CPU_COMPARE_ERROR; \
} \
if (message) \
*message = g_strdup_printf("%s: %s", _(MSG), flagsStr); \
VIR_DEBUG("%s: %s", MSG, flagsStr); \
VIR_FREE(flagsStr); \
ret = VIR_CPU_COMPARE_INCOMPATIBLE; \
} while (0)
@ -1706,15 +1704,15 @@ x86Compute(virCPUDefPtr host,
char **message)
{
virCPUx86MapPtr map = NULL;
virCPUx86ModelPtr host_model = NULL;
virCPUx86ModelPtr cpu_force = NULL;
virCPUx86ModelPtr cpu_require = NULL;
virCPUx86ModelPtr cpu_optional = NULL;
virCPUx86ModelPtr cpu_disable = NULL;
virCPUx86ModelPtr cpu_forbid = NULL;
virCPUx86ModelPtr diff = NULL;
virCPUx86ModelPtr guest_model = NULL;
virCPUDataPtr guestData = NULL;
g_autoptr(virCPUx86Model) host_model = NULL;
g_autoptr(virCPUx86Model) cpu_force = NULL;
g_autoptr(virCPUx86Model) cpu_require = NULL;
g_autoptr(virCPUx86Model) cpu_optional = NULL;
g_autoptr(virCPUx86Model) cpu_disable = NULL;
g_autoptr(virCPUx86Model) cpu_forbid = NULL;
g_autoptr(virCPUx86Model) diff = NULL;
g_autoptr(virCPUx86Model) guest_model = NULL;
g_autoptr(virCPUData) guestData = NULL;
virCPUCompareResult ret;
virCPUx86CompareResult result;
virArch arch;
@ -1764,13 +1762,13 @@ x86Compute(virCPUDefPtr host,
!(cpu_optional = x86ModelFromCPU(cpu, map, VIR_CPU_FEATURE_OPTIONAL)) ||
!(cpu_disable = x86ModelFromCPU(cpu, map, VIR_CPU_FEATURE_DISABLE)) ||
!(cpu_forbid = x86ModelFromCPU(cpu, map, VIR_CPU_FEATURE_FORBID)))
goto error;
return VIR_CPU_COMPARE_ERROR;
x86DataIntersect(&cpu_forbid->data, &host_model->data);
if (!x86DataIsEmpty(&cpu_forbid->data)) {
virX86CpuIncompatible(N_("Host CPU provides forbidden features"),
&cpu_forbid->data);
goto cleanup;
return VIR_CPU_COMPARE_INCOMPATIBLE;
}
/* first remove features that were inherited from the CPU model and were
@ -1785,20 +1783,20 @@ x86Compute(virCPUDefPtr host,
virX86CpuIncompatible(N_("Host CPU does not provide required "
"features"),
&cpu_require->data);
goto cleanup;
return VIR_CPU_COMPARE_INCOMPATIBLE;
}
ret = VIR_CPU_COMPARE_IDENTICAL;
if (!(diff = x86ModelCopy(host_model)))
goto error;
return VIR_CPU_COMPARE_ERROR;
x86DataSubtract(&diff->data, &cpu_optional->data);
x86DataSubtract(&diff->data, &cpu_require->data);
x86DataSubtract(&diff->data, &cpu_disable->data);
x86DataSubtract(&diff->data, &cpu_force->data);
if (!x86DataIsEmpty(&diff->data))
if (x86DataIsEmpty(&diff->data))
ret = VIR_CPU_COMPARE_IDENTICAL;
else
ret = VIR_CPU_COMPARE_SUPERSET;
if (ret == VIR_CPU_COMPARE_SUPERSET
@ -1807,54 +1805,39 @@ x86Compute(virCPUDefPtr host,
virX86CpuIncompatible(N_("Host CPU does not strictly match guest CPU: "
"Extra features"),
&diff->data);
goto cleanup;
return VIR_CPU_COMPARE_INCOMPATIBLE;
}
if (guest) {
if (!(guest_model = x86ModelCopy(host_model)))
goto error;
return VIR_CPU_COMPARE_ERROR;
if (cpu->vendor && host_model->vendor &&
virCPUx86DataAddItem(&guest_model->data,
&host_model->vendor->data) < 0)
goto error;
return VIR_CPU_COMPARE_ERROR;
if (host_model->signatures &&
x86DataAddSignature(&guest_model->data, *host_model->signatures) < 0)
goto error;
return VIR_CPU_COMPARE_ERROR;
if (cpu->type == VIR_CPU_TYPE_GUEST
&& cpu->match == VIR_CPU_MATCH_EXACT)
x86DataSubtract(&guest_model->data, &diff->data);
if (x86DataAdd(&guest_model->data, &cpu_force->data))
goto error;
return VIR_CPU_COMPARE_ERROR;
x86DataSubtract(&guest_model->data, &cpu_disable->data);
if (!(guestData = virCPUDataNew(arch)))
goto error;
return VIR_CPU_COMPARE_ERROR;
x86DataCopy(&guestData->data.x86, &guest_model->data);
*guest = guestData;
*guest = g_steal_pointer(&guestData);
}
cleanup:
x86ModelFree(host_model);
x86ModelFree(diff);
x86ModelFree(cpu_force);
x86ModelFree(cpu_require);
x86ModelFree(cpu_optional);
x86ModelFree(cpu_disable);
x86ModelFree(cpu_forbid);
x86ModelFree(guest_model);
return ret;
error:
virCPUx86DataFree(guestData);
ret = VIR_CPU_COMPARE_ERROR;
goto cleanup;
}
#undef virX86CpuIncompatible