diff options
| -rw-r--r-- | arch/um/drivers/mconsole_kern.c | 15 | ||||
| -rw-r--r-- | arch/um/drivers/mconsole_user.c | 4 |
2 files changed, 14 insertions, 5 deletions
diff --git a/arch/um/drivers/mconsole_kern.c b/arch/um/drivers/mconsole_kern.c index 79610b5ce67e..773a134e7fdb 100644 --- a/arch/um/drivers/mconsole_kern.c +++ b/arch/um/drivers/mconsole_kern.c | |||
| @@ -598,6 +598,11 @@ out: | |||
| 598 | mconsole_reply(req, err_msg, err, 0); | 598 | mconsole_reply(req, err_msg, err, 0); |
| 599 | } | 599 | } |
| 600 | 600 | ||
| 601 | struct mconsole_output { | ||
| 602 | struct list_head list; | ||
| 603 | struct mc_request *req; | ||
| 604 | }; | ||
| 605 | |||
| 601 | static DEFINE_SPINLOCK(console_lock); | 606 | static DEFINE_SPINLOCK(console_lock); |
| 602 | static LIST_HEAD(clients); | 607 | static LIST_HEAD(clients); |
| 603 | static char console_buf[MCONSOLE_MAX_DATA]; | 608 | static char console_buf[MCONSOLE_MAX_DATA]; |
| @@ -622,10 +627,10 @@ static void console_write(struct console *console, const char *string, | |||
| 622 | return; | 627 | return; |
| 623 | 628 | ||
| 624 | list_for_each(ele, &clients){ | 629 | list_for_each(ele, &clients){ |
| 625 | struct mconsole_entry *entry; | 630 | struct mconsole_output *entry; |
| 626 | 631 | ||
| 627 | entry = list_entry(ele, struct mconsole_entry, list); | 632 | entry = list_entry(ele, struct mconsole_output, list); |
| 628 | mconsole_reply_len(&entry->request, console_buf, | 633 | mconsole_reply_len(entry->req, console_buf, |
| 629 | console_index, 0, 1); | 634 | console_index, 0, 1); |
| 630 | } | 635 | } |
| 631 | 636 | ||
| @@ -649,10 +654,10 @@ late_initcall(mc_add_console); | |||
| 649 | static void with_console(struct mc_request *req, void (*proc)(void *), | 654 | static void with_console(struct mc_request *req, void (*proc)(void *), |
| 650 | void *arg) | 655 | void *arg) |
| 651 | { | 656 | { |
| 652 | struct mconsole_entry entry; | 657 | struct mconsole_output entry; |
| 653 | unsigned long flags; | 658 | unsigned long flags; |
| 654 | 659 | ||
| 655 | entry.request = *req; | 660 | entry.req = req; |
| 656 | list_add(&entry.list, &clients); | 661 | list_add(&entry.list, &clients); |
| 657 | spin_lock_irqsave(&console_lock, flags); | 662 | spin_lock_irqsave(&console_lock, flags); |
| 658 | 663 | ||
diff --git a/arch/um/drivers/mconsole_user.c b/arch/um/drivers/mconsole_user.c index 5b2f5fe9e426..17068eb746c0 100644 --- a/arch/um/drivers/mconsole_user.c +++ b/arch/um/drivers/mconsole_user.c | |||
| @@ -131,6 +131,10 @@ int mconsole_get_request(int fd, struct mc_request *req) | |||
| 131 | int mconsole_reply_len(struct mc_request *req, const char *str, int total, | 131 | int mconsole_reply_len(struct mc_request *req, const char *str, int total, |
| 132 | int err, int more) | 132 | int err, int more) |
| 133 | { | 133 | { |
| 134 | /* XXX This is a stack consumption problem. It'd be nice to | ||
| 135 | * make it global and serialize access to it, but there are a | ||
| 136 | * ton of callers to this function. | ||
| 137 | */ | ||
| 134 | struct mconsole_reply reply; | 138 | struct mconsole_reply reply; |
| 135 | int len, n; | 139 | int len, n; |
| 136 | 140 | ||
