[libvirt] [PATCH] libvirt_public.syms: Fix virDomainSetBlockThreshold placement

Michal Privoznik mprivozn at redhat.com
Tue Apr 4 07:42:47 UTC 2017


On 04/04/2017 09:27 AM, Jiri Denemark wrote:
> On Tue, Apr 04, 2017 at 09:24:41 +0200, Michal Privoznik wrote:
>> The symbol was introduced in the 3.2.0 release (bb09798fbeb5f)
>> and not 3.1.0 release as its current placement in the file
>> suggests.
>>
>> Signed-off-by: Michal Privoznik <mprivozn at redhat.com>
>> ---
>>  src/libvirt_public.syms | 6 +++++-
>>  1 file changed, 5 insertions(+), 1 deletion(-)
>>
>> diff --git a/src/libvirt_public.syms b/src/libvirt_public.syms
>> index 428cf2e..37a8a18 100644
>> --- a/src/libvirt_public.syms
>> +++ b/src/libvirt_public.syms
>> @@ -755,8 +755,12 @@ LIBVIRT_3.0.0 {
>>
>>  LIBVIRT_3.1.0 {
>>      global:
>> -        virDomainSetBlockThreshold;
>>          virDomainSetVcpu;
>>  } LIBVIRT_3.0.0;
>>
>> +LIBVIRT_3.2.0 {
>> +     global:
>> +        virDomainSetBlockThreshold;
>> +} LIBVIRT_3.1.0;
>> +
>>  # .... define new API here using predicted next version number ....
>
> Oh, this is unfortunate. But doesn't this change break ABI?


Well, the change I'm referring to in the commit message broke ABI in the 
first place. This will break ABI only for apps linked with 3.2.0 release 
and un-break apps linked with every other release.

Michal




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