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Re: [RESEND][PATCH 07/10][SCSI]mpt2sas: Added Reply Descriptor Post Queue (RDPQ) Array support

From "Martin K. Petersen" <martin.petersen@oracle.com>
Newsgroups linux.kernel
Subject Re: [RESEND][PATCH 07/10][SCSI]mpt2sas: Added Reply Descriptor Post Queue (RDPQ) Array support
Date 2017-04-27 00:30 +0200
Message-ID <tADBD-b2-9@gated-at.bofh.it> (permalink)
References (2 earlier) <nGTxv-861-7@gated-at.bofh.it> <nGTxv-861-5@gated-at.bofh.it> <nH8Gd-5FX-17@gated-at.bofh.it> <nHaI1-f2-11@gated-at.bofh.it> <tA7iq-4eL-11@gated-at.bofh.it>
Organization Oracle Corporation

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Sreekanth,

> We need to satisfy this condition on those system where 32 bit dma
> consistent mask is not supported and it only supports 64 bit dma
> consistent mask. So on these system we can't set
> pci_set_consistent_dma_mask() to DMA_BIT_MASK(32).

Which systems are you talking about?

It seems a bit unrealistic to require all devices to support 64-bit DMA.

-- 
Martin K. Petersen	Oracle Linux Engineering

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Re: [RESEND][PATCH 07/10][SCSI]mpt2sas: Added Reply Descriptor Post  Queue (RDPQ) Array support Sreekanth Reddy <sreekanth.reddy@broadcom.com> - 2017-04-25 14:00 +0200
  Re: [RESEND][PATCH 07/10][SCSI]mpt2sas: Added Reply Descriptor Post Queue (RDPQ) Array support "Martin K. Petersen" <martin.petersen@oracle.com> - 2017-04-27 00:30 +0200
    RE: [RESEND][PATCH 07/10][SCSI]mpt2sas: Added Reply Descriptor Post  Queue (RDPQ) Array support Kashyap Desai <kashyap.desai@broadcom.com> - 2017-04-27 11:20 +0200

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