Re: [PATCH v3 1/2] Perform additional retries if Doorbell read returns 0

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Hi Ranjan,

> But for few registers zero may be a valid value and we don’t want
> those registers to get penalized with 30 read retries where 1/3 reads
> would have sufficed.

If 0 is a valid register value you'll end up always doing 3 retries
before returning. Even if the first register reads were "successful".
Peculiar!

-- 
Martin K. Petersen	Oracle Linux Engineering




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