From 9010772cdff36072dd509ec72c1a55fccde8e58e Mon Sep 17 00:00:00 2001 From: Jeff Dike Date: Fri, 6 Jan 2006 00:18:54 -0800 Subject: [PATCH] uml: Add static initializations and declarations Some structure fields were being dynamically initialized when they could be initialized at compile-time instead. This also makes some declarations static (in the C sense). Signed-off-by: Jeff Dike Cc: Paolo 'Blaisorblade' Giarrusso Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- arch/um/drivers/line.c | 7 +++---- arch/um/drivers/mconsole_kern.c | 6 +++--- arch/um/drivers/net_kern.c | 4 ++-- arch/um/include/line.h | 2 +- 4 files changed, 9 insertions(+), 10 deletions(-) diff --git a/arch/um/drivers/line.c b/arch/um/drivers/line.c index 9af55ece198..1c2cc5d48bb 100644 --- a/arch/um/drivers/line.c +++ b/arch/um/drivers/line.c @@ -668,19 +668,18 @@ struct tty_driver *line_register_devfs(struct lines *set, return driver; } -static spinlock_t winch_handler_lock; -LIST_HEAD(winch_handlers); +static DEFINE_SPINLOCK(winch_handler_lock); +static LIST_HEAD(winch_handlers); void lines_init(struct line *lines, int nlines) { struct line *line; int i; - spin_lock_init(&winch_handler_lock); for(i = 0; i < nlines; i++){ line = &lines[i]; INIT_LIST_HEAD(&line->chan_list); - spin_lock_init(&line->lock); + if(line->init_str == NULL) continue; diff --git a/arch/um/drivers/mconsole_kern.c b/arch/um/drivers/mconsole_kern.c index 355866af5e0..b5217bd7bc4 100644 --- a/arch/um/drivers/mconsole_kern.c +++ b/arch/um/drivers/mconsole_kern.c @@ -51,7 +51,7 @@ static struct notifier_block reboot_notifier = { * itself and it can only happen on CPU 0. */ -LIST_HEAD(mc_requests); +static LIST_HEAD(mc_requests); static void mc_work_proc(void *unused) { @@ -69,7 +69,7 @@ static void mc_work_proc(void *unused) } } -DECLARE_WORK(mconsole_work, mc_work_proc, NULL); +static DECLARE_WORK(mconsole_work, mc_work_proc, NULL); static irqreturn_t mconsole_interrupt(int irq, void *dev_id, struct pt_regs *regs) @@ -535,7 +535,7 @@ void mconsole_stack(struct mc_request *req) */ static char *notify_socket = NULL; -int mconsole_init(void) +static int mconsole_init(void) { /* long to avoid size mismatch warnings from gcc */ long sock; diff --git a/arch/um/drivers/net_kern.c b/arch/um/drivers/net_kern.c index 29785f64302..deb24828e6a 100644 --- a/arch/um/drivers/net_kern.c +++ b/arch/um/drivers/net_kern.c @@ -34,7 +34,7 @@ #define DRIVER_NAME "uml-netdev" static DEFINE_SPINLOCK(opened_lock); -LIST_HEAD(opened); +static LIST_HEAD(opened); static int uml_net_rx(struct net_device *dev) { @@ -266,7 +266,7 @@ void uml_net_user_timer_expire(unsigned long _conn) } static DEFINE_SPINLOCK(devices_lock); -static struct list_head devices = LIST_HEAD_INIT(devices); +static LIST_HEAD(devices); static struct platform_driver uml_net_driver = { .driver = { diff --git a/arch/um/include/line.h b/arch/um/include/line.h index e22c9e0f2d0..351d3ac30b7 100644 --- a/arch/um/include/line.h +++ b/arch/um/include/line.h @@ -58,8 +58,8 @@ struct line { #define LINE_INIT(str, d) \ { init_str : str, \ init_pri : INIT_STATIC, \ - chan_list : { }, \ valid : 1, \ + lock : SPIN_LOCK_UNLOCKED, \ buffer : NULL, \ head : NULL, \ tail : NULL, \ -- cgit v1.2.3