Re: [PATCH 2/9] virtio_console: eliminate anonymous module_init & module_exit

Amit Shah
2022-03-17T15:48:22Z

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