Re: Should modprobe blacklist all or only canned aliases?

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On Tue, Aug 17, 2010 at 07:37, Jon Masters <jcm@xxxxxxxxxx> wrote:
> On Sun, 2010-08-15 at 21:44 +0400, Andrey Borzenkov wrote:
>
>> According to manual page for modprobe.conf(5), only canned aliases taken
>> from kernel modules are blacklisted:
>>
>>     Modules can contain their own aliases: usually these are aliases
>>     describing the devices they support, such as "pci:123...". These
>>     "internal" aliases can be overridden by normal "alias" keywords,
>>     but there are cases where two or more modules both  support  the
>>     same  devices,  or a module invalidly claims to support a device
>>     that it does not: the blacklist keyword indicates  that  all  of
>>     that particular module's internal aliases are to be ignored.
>>
>> But as written now, modprobe applies blacklist to all modules, both read
>> from configuration files as well as from modules.alias.
>
> Ah, I see what you're saying. Can you tell me how this is affecting you?
> I will review your patch in any case.

We need blacklist entries applied to configured aliases. There should
be no difference where an alias is coming from. Blacklist entries must
always win, regardless of the source of the alias. Please change only
the documentation.

Thanks,
Kay
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