linux-kernel - Re: [PATCH V9 1/4] dma-mapping: Rework dma_get_cache

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Message-ID: <tencent_6BDFE15F713B83B37D2C6D88@qq.com>
Date:   Fri, 3 Nov 2017 14:15:41 +0800
From:   "陈华才" <chenhc@...ote.com>
To:     "Christoph Hellwig" <hch@....de>
Cc:     "Marek Szyprowski" <m.szyprowski@...sung.com>,
        "Christoph Hellwig" <hch@....de>,
        "Robin Murphy" <robin.murphy@....com>,
        "Andrew Morton" <akpm@...ux-foundation.org>,
        "Fuxin Zhang" <zhangfx@...ote.com>,
        "linux-kernel" <linux-kernel@...r.kernel.org>,
        "Ralf Baechle" <ralf@...ux-mips.org>,
        "JamesHogan" <james.hogan@...tec.com>,
        "linux-mips" <linux-mips@...ux-mips.org>,
        "James E . J .Bottomley" 
        <jejb@...ux.vnet.ibm.com>,
        "Martin K . Petersen" 
        <martin.petersen@...cle.com>,
        "linux-scsi" <linux-scsi@...r.kernel.org>,
        "stable" <stable@...r.kernel.org>,
        "Michael S . Tsirkin" <mst@...hat.com>,
        "Pawel Osciak" <pawel@...iak.com>,
        "Kyungmin Park" <kyungmin.park@...sung.com>,
        "Michael Chan" <michael.chan@...adcom.com>,
        "Benjamin Herrenschmidt" 
        <benh@...nel.crashing.org>,
        "Ivan Mikhaylov" <ivan@...ibm.com>,
        "Tariq Toukan" <tariqt@...lanox.com>,
        "Andy Gross" <agross@...eaurora.org>,
        "Mark A . Greer" <mgreer@...malcreek.com>,
        "RobertBaldyga" <r.baldyga@...kerion.com>
Subject: Re: [PATCH V9 1/4] dma-mapping: Rework dma_get_cache_alignment()

Only patch 4 can be merged to stable, please ignore cc-stable in the rest.
 
------------------ Original ------------------
From:  "Christoph Hellwig"<hch@....de>;
Date:  Fri, Nov 3, 2017 01:14 PM
To:  "陈华才"<chenhc@...ote.com>; 
Cc:  "Marek Szyprowski"<m.szyprowski@...sung.com>; "Christoph Hellwig"<hch@....de>; "Robin Murphy"<robin.murphy@....com>; "Andrew Morton"<akpm@...ux-foundation.org>; "Fuxin Zhang"<zhangfx@...ote.com>; "linux-kernel"<linux-kernel@...r.kernel.org>; "Ralf Baechle"<ralf@...ux-mips.org>; "JamesHogan"<james.hogan@...tec.com>; "linux-mips"<linux-mips@...ux-mips.org>; "James E . J .Bottomley"<jejb@...ux.vnet.ibm.com>; "Martin K . Petersen"<martin.petersen@...cle.com>; "linux-scsi"<linux-scsi@...r.kernel.org>; "stable"<stable@...r.kernel.org>; "Michael S . Tsirkin"<mst@...hat.com>; "Pawel Osciak"<pawel@...iak.com>; "Kyungmin Park"<kyungmin.park@...sung.com>; "Michael Chan"<michael.chan@...adcom.com>; "Benjamin Herrenschmidt"<benh@...nel.crashing.org>; "Ivan Mikhaylov"<ivan@...ibm.com>; "Tariq Toukan"<tariqt@...lanox.com>; "Andy Gross"<agross@...eaurora.org>; "Mark A . Greer"<mgreer@...malcreek.com>; "RobertBaldyga"<r.baldyga@...kerion.com>; 
Subject:  Re: [PATCH V9 1/4] dma-mapping: Rework dma_get_cache_alignment()

 
I can queue 1 up in the dma-mapping tree, and if I get reviews for
the mips and scsi bits I'd be happy to queue those up as well.

But I think you'd be better off moving patches 3 and 4 to the front
without the dma_get_cache_alignment prototype change so that they can be
merged to stable.