linux-kernel - Re: [PATCH] dma-mapping: make map

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Date:   Wed, 24 Mar 2021 08:13:05 +0100
From:   Christoph Hellwig <hch@....de>
To:     Tian Tao <tiantao6@...ilicon.com>
Cc:     akpm@...ux-foundation.org, peterz@...radead.org,
        paulmck@...nel.org, ast@...nel.org, tglx@...utronix.de,
        rostedt@...dmis.org, hch@....de, m.szyprowski@...sung.com,
        song.bao.hua@...ilicon.com, iommu@...ts.linux-foundation.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] dma-mapping: make map_benchmark compile into module

On Wed, Mar 24, 2021 at 10:17:38AM +0800, Tian Tao wrote:
> under some scenarios, it is necessary to compile map_benchmark
> into module to test iommu, so this patch changed Kconfig and
> export_symbol to implement map_benchmark compiled into module.
> 
> On the other hand, map_benchmark is a driver, which is supposed
> to be able to run as a module.
> 
> Signed-off-by: Tian Tao <tiantao6@...ilicon.com>

Nope, we're not going to export more kthread internals for a test
module.