linux-kernel - Re: [PATCH 2/3] kernel: better document the use_mm/unuse

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Date:   Thu, 16 Apr 2020 08:43:41 +0200
From:   Greg KH <gregkh@...uxfoundation.org>
To:     Christoph Hellwig <hch@....de>
Cc:     Linus Torvalds <torvalds@...ux-foundation.org>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Al Viro <viro@...iv.linux.org.uk>,
        Felix Kuehling <Felix.Kuehling@....com>,
        Alex Deucher <alexander.deucher@....com>,
        Zhenyu Wang <zhenyuw@...ux.intel.com>,
        Zhi Wang <zhi.a.wang@...el.com>,
        Felipe Balbi <balbi@...nel.org>,
        "Michael S. Tsirkin" <mst@...hat.com>,
        Jason Wang <jasowang@...hat.com>, Jens Axboe <axboe@...nel.dk>,
        linux-kernel@...r.kernel.org, amd-gfx@...ts.freedesktop.org,
        intel-gvt-dev@...ts.freedesktop.org,
        intel-gfx@...ts.freedesktop.org, linux-usb@...r.kernel.org,
        virtualization@...ts.linux-foundation.org,
        linux-fsdevel@...r.kernel.org, io-uring@...r.kernel.org,
        linux-mm@...ck.org
Subject: Re: [PATCH 2/3] kernel: better document the use_mm/unuse_mm API
 contract

On Thu, Apr 16, 2020 at 07:31:57AM +0200, Christoph Hellwig wrote:
> Switch the function documentation to kerneldoc comments, and add
> WARN_ON_ONCE asserts that the calling thread is a kernel thread and
> does not have ->mm set (or has ->mm set in the case of unuse_mm).
> 
> Also give the functions a kthread_ prefix to better document the
> use case.
> 
> Signed-off-by: Christoph Hellwig <hch@....de>
> Acked-by: Felix Kuehling <Felix.Kuehling@....com>

Acked-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org> [usb]