linux-kernel - Re: [PATCH v5 4/6] coresight: configfs: Modify config files to allow userspace use

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Message-ID: <Y6sm74wfjenzA0v9@infradead.org>
Date:   Tue, 27 Dec 2022 09:10:07 -0800
From:   Christoph Hellwig <hch@...radead.org>
To:     Mike Leach <mike.leach@...aro.org>
Cc:     linux-arm-kernel@...ts.infradead.org, coresight@...ts.linaro.org,
        linux-kernel@...r.kernel.org, mathieu.poirier@...aro.org,
        suzuki.poulose@....com, acme@...nel.org, james.clark@....com
Subject: Re: [PATCH v5 4/6] coresight: configfs: Modify config files to allow
 userspace use

On Mon, Dec 19, 2022 at 11:46:36PM +0000, Mike Leach wrote:
> Update coresight-config.h and the coresight-config-file.c & .h
> to allow use in userspace programs.
> 
> Use __KERNEL__ defines to filter out driver only structures and
> elements so that user space programs can use the descriptor structures.
> 
> Abstract memory allocation in coresight-config-file.c to allow read
> file functions to be run in userspace and kernel drivers.

That's now how kernel code is written.