Re: [RFC] Change the effect of SAL_{GET,CLEAR}_STATE_INFO for MCA/INIT records

[Keith Owens <kaos@sgi.com>]

On Fri, 10 Dec 2004 11:51:01 +0900, 
Hidetoshi Seto <seto.hidetoshi@jp.fujitsu.com> wrote:
>Keith Owens wrote:
>> Making these calls context sensitive is a small change to SAL.  The SAL
>> MCA/INIT handlers have already constructed and stored the required
>> record before calling the OS handler.  All SAL has to do is :-
>> 
>> * Save the address of the current record on this cpu.
>> * Call the OS handler.
>> * On return from the OS handler, clear the pointer to the current
>>   record.
>> * SAL_GET_STATE_INFO - if the current record pointer is set then return
>>   that record, otherwise do existing processing.
>> * SAL_CLEAR_STATE_INFO - if the current record pointer is set then
>>   clear that record and the current record pointer, otherwise do
>>   existing processing.
>
>That makes sense.
>
>When I was coding my OS_MCA handler, I used to think if there were something
>like SAL_{GET,CLEAR}_STATE_INFO_FROM_BOTTOM or some extra parameter for
>SAL_{GET,CLEAR}_STATE_INFO to select which log it should deal.
>
>Your proposal sounds good.
>It's more simple, and more easy.
>
>> This change is backwards compatible.
>
>Marvelous!
>
>BTW, who is in charge of receptionist for such proposal?

Intel own the SAL specification, so they have to accept the change to
make it official.  Obviously it helps if all the vendors agree that the
change is useful and causes no problems.  I have had no feedback from
HP, Bull or Intel (yet).