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| author | Rikard Falkeborn <rikard.falkeborn@gmail.com> | 2020-07-01 23:09:50 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2020-07-10 15:50:51 +0300 |
| commit | 8b66c917c41b966cd230d30c0268795e3f9eb5e4 (patch) | |
| tree | 185dfd2242b8ca3a07e24a3ec7a81f325ce9ca70 /drivers/char/virtio_console.c | |
| parent | 729082ed9b9cc242f5030de8f956b4be41150ea7 (diff) | |
| download | linux-8b66c917c41b966cd230d30c0268795e3f9eb5e4.tar.xz | |
virtio_console: Constify some static variables
The id_table and feature_table pointers in struct virtio_driver are
pointers to const. Mark the corresponding static variables const to
allow the compiler to put them in read-only memory.
Before:
text data bss dec hex filename
25447 713 76 26236 667c drivers/char/virtio_console.o
After:
text data bss dec hex filename
25488 673 76 26237 667d drivers/char/virtio_console.o
Signed-off-by: Rikard Falkeborn <rikard.falkeborn@gmail.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Amit Shah <amit@kernel.org>
Link: https://lore.kernel.org/r/20200701200950.30314-6-rikard.falkeborn@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/char/virtio_console.c')
| -rw-r--r-- | drivers/char/virtio_console.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/char/virtio_console.c b/drivers/char/virtio_console.c index 00c5e3acee46..896f0ba9ba3c 100644 --- a/drivers/char/virtio_console.c +++ b/drivers/char/virtio_console.c @@ -2112,24 +2112,24 @@ fail: return err; } -static struct virtio_device_id id_table[] = { +static const struct virtio_device_id id_table[] = { { VIRTIO_ID_CONSOLE, VIRTIO_DEV_ANY_ID }, { 0 }, }; -static unsigned int features[] = { +static const unsigned int features[] = { VIRTIO_CONSOLE_F_SIZE, VIRTIO_CONSOLE_F_MULTIPORT, }; -static struct virtio_device_id rproc_serial_id_table[] = { +static const struct virtio_device_id rproc_serial_id_table[] = { #if IS_ENABLED(CONFIG_REMOTEPROC) { VIRTIO_ID_RPROC_SERIAL, VIRTIO_DEV_ANY_ID }, #endif { 0 }, }; -static unsigned int rproc_serial_features[] = { +static const unsigned int rproc_serial_features[] = { }; #ifdef CONFIG_PM_SLEEP |