Re: [BUGFIX] ACPI, APEI, EINJ Param support is disabled by default

From: Huang Ying
Date: Thu Jul 21 2011 - 00:27:23 EST

On 07/21/2011 12:16 PM, Andi Kleen wrote:
> On Thu, Jul 21, 2011 at 10:54:13AM +0800, Huang Ying wrote:
>> On 07/21/2011 10:42 AM, Andi Kleen wrote:
>>>> +static bool param_extension;
>>>> +module_param(param_extension, bool, 0);
>>> Make it 0644, then it can be changed at runtime. No need to require a reboot.
>> Normally, EINJ is compiled as module, so we can change it at load time
>> without a reboot.
> Ok.
>> Do we need the real runtime switching capability?
> I usually do that with modparams when it's possible. After all it's very
> simple and doesn't cost anything.

To avoid confuse user, the param1/param2 files are created only if
param_extension=y is specified. So making modprams changeable in run
time may make situation a little complex.

Best Regards,
Huang Ying
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