[libvirt] [PATCH] vz: allow to start vz driver without host cache info

[Mikhail Feoktistov]

Error occurs in src/conf/capabilities.c line 1736

int virCapabilitiesInitCaches(virCapsPtr caps)
...
    if (virFileReadValueUint(&bank->id,
"%s/cpu/cpu%zd/cache/%s/id",
                                              SYSFS_SYSTEM_PATH, pos, 
ent->d_name) < 0)
           goto cleanup;
...

file "id" doesn't exist

ls -al /sys/devices/system/cpu/cpu0/cache/index0/
total 0
drwxr-xr-x 2 root root    0 Jun 30 06:03 .
drwxr-xr-x 6 root root    0 Jun 29 04:42 ..
-r--r--r-- 1 root root 4096 Jul 10 06:44 coherency_line_size
-r--r--r-- 1 root root 4096 Jul  5 11:33 level
-r--r--r-- 1 root root 4096 Jul 10 06:44 number_of_sets
-r--r--r-- 1 root root 4096 Jul 10 06:44 physical_line_partition
-r--r--r-- 1 root root 4096 Jul 10 06:44 shared_cpu_list
-r--r--r-- 1 root root 4096 Jul 10 06:44 shared_cpu_map
-r--r--r-- 1 root root 4096 Jul 10 06:44 size
-r--r--r-- 1 root root 4096 Jul 10 06:44 type
-r--r--r-- 1 root root 4096 Jul 10 06:44 ways_of_associativity

On 10.07.2017 15:48, Peter Krempa wrote:
> On Mon, Jul 10, 2017 at 07:54:03 -0400, Mikhail Feoktistov wrote:
>
> Any justification or explanation when this happens?
>
>> ---
>>   src/vz/vz_driver.c | 2 +-
>>   1 file changed, 1 insertion(+), 1 deletion(-)