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From: "Martin K. Petersen" <martin.petersen@oracle.com>
To: hch@infradead.org
Cc: linux-scsi@vger.kernel.org, Sathya.Prakash@broadcom.com,
	sreekanth.reddy@broadcom.com,
	Suganath Prabu <suganath-prabu.subramani@broadcom.com>
Subject: Re: [v1 0/5] mpt3sas: Fix changing coherent mask after allocation
Date: Tue, 21 Apr 2020 23:36:02 -0400	[thread overview]
Message-ID: <yq1pnc0i44d.fsf@oracle.com> (raw)
In-Reply-To: <1586957125-19460-1-git-send-email-suganath-prabu.subramani@broadcom.com> (Suganath Prabu's message of "Wed, 15 Apr 2020 09:25:20 -0400")


Christoph,

Please review, thanks!

> * Set the coherent dma mask to 64 bit and then allocate RDPQ pools,
> make sure that each of the RDPQ pools satisfies the 4gb boundary
> restriction. if any of the RDPQ pool doesn't satisfies this
> restriction then deallocate the pools and reallocate them after
> changing the coherent dma mask to 32 bit.
> * With this there is no need to change DMA coherent
> mask when there are outstanding allocations in mpt3sas.
> * Code-Refactoring
>
> Suganath Prabu S (5):
>   mpt3sas: Don't change the dma coherent mask after      allocations
>   mpt3sas: Rename function name is_MSB_are_same
>   mpt3sas: Separate out RDPQ allocation to new function.
>   mpt3sas: Handle RDPQ DMA allocation in same 4G region
>   mpt3sas: Update mpt3sas version to 33.101.00.00
>
>  drivers/scsi/mpt3sas/mpt3sas_base.c | 279 +++++++++++++++++++++---------------
>  drivers/scsi/mpt3sas/mpt3sas_base.h |   9 +-
>  2 files changed, 171 insertions(+), 117 deletions(-)

-- 
Martin K. Petersen	Oracle Linux Engineering

      parent reply	other threads:[~2020-04-22  3:38 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-04-15 13:25 [v1 0/5] mpt3sas: Fix changing coherent mask after allocation Suganath Prabu
2020-04-15 13:25 ` [v1 1/5] mpt3sas: Don't change the dma coherent mask after allocations Suganath Prabu
2020-04-22  6:34   ` Christoph Hellwig
2020-04-22  9:19     ` Suganath Prabu Subramani
2020-04-22 17:18       ` Christoph Hellwig
2020-04-15 13:25 ` [v1 2/5] mpt3sas: Rename function name is_MSB_are_same Suganath Prabu
2020-04-22  6:34   ` Christoph Hellwig
2020-04-15 13:25 ` [v1 3/5] mpt3sas: Separate out RDPQ allocation to new function Suganath Prabu
2020-04-22  6:39   ` Christoph Hellwig
2020-04-15 13:25 ` [v1 4/5] mpt3sas: Handle RDPQ DMA allocation in same 4G region Suganath Prabu
2020-04-22  6:41   ` Christoph Hellwig
2020-04-15 13:25 ` [v1 5/5] mpt3sas: Update mpt3sas version to 33.101.00.00 Suganath Prabu
2020-04-22  3:36 ` Martin K. Petersen [this message]

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