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Subject: Re: [PATCH 2/9] virtio_console: eliminate anonymous module_init &
 module_exit
From:   Amit Shah <amit@infradead.org>
To:     Randy Dunlap <rdunlap@infradead.org>, linux-kernel@vger.kernel.org
Cc:     "Michael S. Tsirkin" <mst@redhat.com>,
        Jason Wang <jasowang@redhat.com>,
        Paolo Bonzini <pbonzini@redhat.com>,
        Stefan Hajnoczi <stefanha@redhat.com>,
        Jens Axboe <axboe@kernel.dk>, Amit Shah <amit@kernel.org>,
        Arnd Bergmann <arnd@arndb.de>,
        Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
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Date:   Thu, 17 Mar 2022 16:47:42 +0100
In-Reply-To: <20220316192010.19001-3-rdunlap@infradead.org>
References: <20220316192010.19001-1-rdunlap@infradead.org>
         <20220316192010.19001-3-rdunlap@infradead.org>
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On Wed, 2022-03-16 at 12:20 -0700, Randy Dunlap wrote:
> Eliminate anonymous module_init() and module_exit(), which can lead to
> confusion or ambiguity when reading System.map, crashes/oops/bugs,
> or an initcall_debug log.
> 
> Give each of these init and exit functions unique driver-specific
> names to eliminate the anonymous names.
> 
> Example 1: (System.map)
>  ffffffff832fc78c t init
>  ffffffff832fc79e t init
>  ffffffff832fc8f8 t init
> 
> Example 2: (initcall_debug log)
>  calling  init+0x0/0x12 @ 1
>  initcall init+0x0/0x12 returned 0 after 15 usecs
>  calling  init+0x0/0x60 @ 1
>  initcall init+0x0/0x60 returned 0 after 2 usecs
>  calling  init+0x0/0x9a @ 1
>  initcall init+0x0/0x9a returned 0 after 74 usecs
> 
> Fixes: 31610434bc35 ("Virtio console driver")
> Fixes: 7177876fea83 ("virtio: console: Add ability to remove module")
> Signed-off-by: Randy Dunlap <
> rdunlap@infradead.org
> >
> Cc: Amit Shah <
> amit@kernel.org
> >
> Cc: 
> virtualization@lists.linux-foundation.org
> 
> Cc: Arnd Bergmann <
> arnd@arndb.de
> >
> Cc: Greg Kroah-Hartman <
> gregkh@linuxfoundation.org
> >
> ---
>  drivers/char/virtio_console.c |    8 ++++----
>  1 file changed, 4 insertions(+), 4 deletions(-)

Reviewed-by: Amit Shah <amit@kernel.org>

I don't think the Fixes-by really applies here, though - we don't
really want to push this into stable, nor do we want any automated
tools to pick this up because of that tag..

		Amit