diff options
| author |   Arjan van de Ven <arjan@infradead.org> | 2005-11-28 21:04:11 +0000 |
|---|---|---|
| committer |   Russell King <rmk+kernel@arm.linux.org.uk> | 2005-11-28 21:04:11 +0000 |
| commit | cb3592be272d83011051dc49f4326355c01f1e1f (patch) | |
| tree | 4eb094ef4e2a2b2f5c18f5ca2c2efe06a81974a0 /drivers/serial/8250.c | |
| parent | [ARM] 3181/1: add PORT_ identifier for Hilscher netx uart (diff) | |
| download | linux-dev-cb3592be272d83011051dc49f4326355c01f1e1f.tar.xz linux-dev-cb3592be272d83011051dc49f4326355c01f1e1f.zip | |
[SERIAL] mark several serial tables const
This patch marks a few serial data structures const, moving them to
.rodata where they won't false-share cachelines with things that get
written to.
Signed-off-by: Arjan van de Ven <arjan@infradead.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'drivers/serial/8250.c')
| -rw-r--r-- | drivers/serial/8250.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/serial/8250.c b/drivers/serial/8250.c index e08510d09ff6..d2bcd1f87cd6 100644 --- a/drivers/serial/8250.c +++ b/drivers/serial/8250.c @@ -102,7 +102,7 @@ static unsigned int share_irqs = SERIAL8250_SHARE_IRQS; #define SERIAL_PORT_DFNS #endif -static struct old_serial_port old_serial_port[] = { +static const struct old_serial_port old_serial_port[] = { SERIAL_PORT_DFNS /* defined in asm/serial.h */ }; |