Re: [PATCH 08/11][SCSI]mpt2sas: Added Reply Descriptor Post Queue (RDPQ) Array support

From: Martin K. Petersen
Date: Fri Mar 14 2014 - 16:41:32 EST


>>>>> "Sreekanth" == Reddy, Sreekanth <Sreekanth.Reddy@xxxxxxx> writes:

Sreekanth,

Sreekanth> The size of this contiguous block of memory pool is directly
Sreekanth> proportional to number of MSI-X vectors and the HBA queue
Sreekanth> depth. For example higher MSIX vectors requires larger
Sreekanth> contiguous block of memory pool.

Please also consider these patches that fix MSI-X issues on large
systems:

http://marc.info/?l=linux-scsi&m=138879464506586

http://marc.info/?l=linux-scsi&m=138879465206588

--
Martin K. Petersen Oracle Linux Engineering
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