From 79d18b02ed67a5ce69188de567abcb28f5b80332 Mon Sep 17 00:00:00 2001 From: =?utf8?q?=E9=BB=84=E6=B6=9B?= Date: Sat, 30 Jul 2011 22:44:40 +0800 Subject: [PATCH] Revert "Revert "printk: remove unused code from kernel/printk.c"" This reverts commit afa82e25d4d6ab6500828cd7cc9d395a9c1e5d69. --- kernel/printk.c | 39 --------------------------------------- 1 file changed, 39 deletions(-) diff --git a/kernel/printk.c b/kernel/printk.c index e89b123a2ebb..a508e2939ac5 100644 --- a/kernel/printk.c +++ b/kernel/printk.c @@ -260,45 +260,6 @@ static inline void boot_delay_msec(void) } #endif -/* - * Return the number of unread characters in the log buffer. - */ -static int log_buf_get_len(void) -{ - return logged_chars; -} - -/* - * Copy a range of characters from the log buffer. - */ -int log_buf_copy(char *dest, int idx, int len) -{ - int ret, max; - bool took_lock = false; - - if (!oops_in_progress) { - spin_lock_irq(&logbuf_lock); - took_lock = true; - } - - max = log_buf_get_len(); - if (idx < 0 || idx >= max) { - ret = -1; - } else { - if (len > max) - len = max; - ret = len; - idx += (log_end - max); - while (len-- > 0) - dest[len] = LOG_BUF(idx + len); - } - - if (took_lock) - spin_unlock_irq(&logbuf_lock); - - return ret; -} - /* * Commands to do_syslog: * -- 2.34.1