linux-kernel - Re: [PATCH] Swiotlb: Add CONFIG_HAS_IOMEM check around memremap() in the swiotlb_mem

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Date:   Tue, 4 Jan 2022 16:10:51 +0000
From:   Wei Liu <wei.liu@...nel.org>
To:     Christoph Hellwig <hch@....de>
Cc:     Wei Liu <wei.liu@...nel.org>,
        Christoph Hellwig <hch@...radead.org>,
        Tianyu Lan <ltykernel@...il.com>, m.szyprowski@...sung.com,
        robin.murphy@....com, michael.h.kelley@...rosoft.com,
        kys@...rosoft.com, Tianyu Lan <Tianyu.Lan@...rosoft.com>,
        iommu@...ts.linux-foundation.org, linux-kernel@...r.kernel.org,
        vkuznets@...hat.com, brijesh.singh@....com, konrad.wilk@...cle.com,
        parri.andrea@...il.com, thomas.lendacky@....com,
        kernel test robot <lkp@...el.com>
Subject: Re: [PATCH] Swiotlb: Add CONFIG_HAS_IOMEM check around memremap() in
 the swiotlb_mem_remap()

On Tue, Jan 04, 2022 at 04:03:07PM +0100, Christoph Hellwig wrote:
> On Tue, Jan 04, 2022 at 02:51:55PM +0000, Wei Liu wrote:
> > > Please stub out all of swiotlb_mem_remap instead of the ifdef inside the
> > > function.
> > 
> > Does this look okay to you?
> 
> Yes, thanks!

Thanks for confirming!

I will turn this into an ack and apply the diff to hyperv-next.

Wei.