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Re: [PATCH V2 1/3] scsi: mptxsas: try 64 bit DMA when 32 bit DMA fails

From Timur Tabi <timur@codeaurora.org>
Newsgroups linux.kernel
Subject Re: [PATCH V2 1/3] scsi: mptxsas: try 64 bit DMA when 32 bit DMA fails
Date 2015-11-10 00:30 +0100
Message-ID <qt42R-5vi-5@gated-at.bofh.it> (permalink)
References <qsJUu-88f-9@gated-at.bofh.it> <qsQCC-4p4-17@gated-at.bofh.it> <qsViX-7qm-39@gated-at.bofh.it> <qsVLY-7E4-33@gated-at.bofh.it> <qt42R-5vi-7@gated-at.bofh.it>
Organization linux.* mail to news gateway

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On 11/09/2015 05:22 PM, Sinan Kaya wrote:
>
> if (ioc->dma_mask)
>      consistent_dma_mask = DMA_BIT_MASK(64);
> else
>      consistent_dma_mask = DMA_BIT_MASK(32);     <-- why here?

So this change is from this patch:

	http://permalink.gmane.org/gmane.linux.kernel/1759343

Note that this was discussed back in February:

	https://lkml.org/lkml/2015/2/20/2


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Thread

[PATCH V2 1/3] scsi: mptxsas: try 64 bit DMA when 32 bit DMA fails Sinan Kaya <okaya@codeaurora.org> - 2015-11-09 03:00 +0100
  Re: [PATCH V2 1/3] scsi: mptxsas: try 64 bit DMA when 32 bit DMA  fails Hannes Reinecke <hare@suse.de> - 2015-11-09 08:20 +0100
    Re: [PATCH V2 1/3] scsi: mptxsas: try 64 bit DMA when 32 bit DMA fails Arnd Bergmann <arnd@arndb.de> - 2015-11-09 10:10 +0100
      Re: [PATCH V2 1/3] scsi: mptxsas: try 64 bit DMA when 32 bit DMA  fails Sinan Kaya <okaya@codeaurora.org> - 2015-11-09 15:10 +0100
        Re: [PATCH V2 1/3] scsi: mptxsas: try 64 bit DMA when 32 bit DMA fails Arnd Bergmann <arnd@arndb.de> - 2015-11-09 15:40 +0100
          Re: [PATCH V2 1/3] scsi: mptxsas: try 64 bit DMA when 32 bit DMA  fails Timur Tabi <timur@codeaurora.org> - 2015-11-10 00:30 +0100
          Re: [PATCH V2 1/3] scsi: mptxsas: try 64 bit DMA when 32 bit DMA  fails Sinan Kaya <okaya@codeaurora.org> - 2015-11-10 00:30 +0100
            Re: [PATCH V2 1/3] scsi: mptxsas: try 64 bit DMA when 32 bit DMA fails Arnd Bergmann <arnd@arndb.de> - 2015-11-10 09:50 +0100
              Re: [PATCH V2 1/3] scsi: mptxsas: try 64 bit DMA when 32 bit DMA  fails Sinan Kaya <okaya@codeaurora.org> - 2015-11-10 17:10 +0100
                Re: [PATCH V2 1/3] scsi: mptxsas: try 64 bit DMA when 32 bit DMA fails Arnd Bergmann <arnd@arndb.de> - 2015-11-10 17:50 +0100
                Re: [PATCH V2 1/3] scsi: mptxsas: try 64 bit DMA when 32 bit DMA  fails Timur Tabi <timur@codeaurora.org> - 2015-11-10 18:10 +0100
                Re: [PATCH V2 1/3] scsi: mptxsas: try 64 bit DMA when 32 bit DMA fails Arnd Bergmann <arnd@arndb.de> - 2015-11-10 20:20 +0100
                Re: [PATCH V2 1/3] scsi: mptxsas: try 64 bit DMA when 32 bit DMA  fails Timur Tabi <timur@codeaurora.org> - 2015-11-10 22:10 +0100
                Re: [PATCH V2 1/3] scsi: mptxsas: try 64 bit DMA when 32 bit DMA  fails Timur Tabi <timur@codeaurora.org> - 2015-11-10 23:00 +0100
                Re: [PATCH V2 1/3] scsi: mptxsas: try 64 bit DMA when 32 bit DMA fails Arnd Bergmann <arnd@arndb.de> - 2015-11-10 23:10 +0100
                Re: [PATCH V2 1/3] scsi: mptxsas: try 64 bit DMA when 32 bit DMA fails Arnd Bergmann <arnd@arndb.de> - 2015-11-10 23:00 +0100
                Re: [PATCH V2 1/3] scsi: mptxsas: try 64 bit DMA when 32 bit DMA  fails Sinan Kaya <okaya@codeaurora.org> - 2015-11-10 18:20 +0100
                Re: [PATCH V2 1/3] scsi: mptxsas: try 64 bit DMA when 32 bit DMA  fails James Bottomley <James.Bottomley@HansenPartnership.com> - 2015-11-10 19:30 +0100
                Re: [PATCH V2 1/3] scsi: mptxsas: try 64 bit DMA when 32 bit DMA  fails Sinan Kaya <okaya@codeaurora.org> - 2015-11-10 20:20 +0100
                Re: [PATCH V2 1/3] scsi: mptxsas: try 64 bit DMA when 32 bit DMA  fails James Bottomley <James.Bottomley@HansenPartnership.com> - 2015-11-10 20:50 +0100
                Re: [PATCH V2 1/3] scsi: mptxsas: try 64 bit DMA when 32 bit DMA  fails Sinan Kaya <okaya@codeaurora.org> - 2015-11-10 21:00 +0100
                Re: [PATCH V2 1/3] scsi: mptxsas: try 64 bit DMA when 32 bit DMA  fails James Bottomley <James.Bottomley@HansenPartnership.com> - 2015-11-10 21:10 +0100
                Re: [PATCH V2 1/3] scsi: mptxsas: try 64 bit DMA when 32 bit DMA  fails Sinan Kaya <okaya@codeaurora.org> - 2015-11-10 21:30 +0100
                Re: [PATCH V2 1/3] scsi: mptxsas: try 64 bit DMA when 32 bit DMA  fails James Bottomley <James.Bottomley@HansenPartnership.com> - 2015-11-10 21:40 +0100
                Re: [PATCH V2 1/3] scsi: mptxsas: try 64 bit DMA when 32 bit DMA fails Arnd Bergmann <arnd@arndb.de> - 2015-11-10 21:00 +0100
                Re: [PATCH V2 1/3] scsi: mptxsas: try 64 bit DMA when 32 bit DMA  fails Sinan Kaya <okaya@codeaurora.org> - 2015-11-10 22:00 +0100
                Re: [PATCH V2 1/3] scsi: mptxsas: try 64 bit DMA when 32 bit DMA fails Arnd Bergmann <arnd@arndb.de> - 2015-11-10 23:10 +0100
    Re: [PATCH V2 1/3] scsi: mptxsas: try 64 bit DMA when 32 bit DMA  fails Sinan Kaya <okaya@codeaurora.org> - 2015-11-09 15:10 +0100

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