Re: [PATCH] printing support for MCA/INIT

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Acked-by: Russ Anderson <rja@xxxxxxx>

Hidetoshi Seto wrote:
>
> Here is the latest updated patch.
> Let me express my appreciation to Russ for all the advice
> and help.
> 
> Thanks,
> H.Seto
> 
> -----
> 
> Printing message to console from MCA/INIT handler is useful,
> however doing oops_in_progress = 1 in them exactly makes
> something in kernel wrong. Especially it sounds ugly if
> system goes wrong after returning from recoverable MCA.
> 
> This patch adds ia64_mca_printk() function that collects
> messages into temporary-not-so-large message buffer during
> in MCA/INIT environment and print them out later, after
> returning to normal context or when handlers determine to
> down the system.
> 
> Also this print function is exported for use in extensional
> MCA handler. It would be useful to describe detail about
> recovery.
> 
> NOTE:
> I don't think it is sane thing if temporary message buffer
> is enlarged enough to hold whole stack dumps from INIT, so
> buffering is disabled during stack dump from INIT-monarch
> (= default_monarch_init_process). please fix it in future.
> 
> Signed-off-by: Hidetoshi Seto <seto.hidetoshi@xxxxxxxxxxxxxx>


-- 
Russ Anderson, OS RAS/Partitioning Project Lead  
SGI - Silicon Graphics Inc          rja@xxxxxxx
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