From 5c105d9f3fd086aff195d3849dcf847d6b0bd927 Mon Sep 17 00:00:00 2001 From: blogic Date: Fri, 5 Oct 2012 10:12:53 +0000 Subject: branch Attitude Adjustment git-svn-id: svn://svn.openwrt.org/openwrt/branches/attitude_adjustment@33625 3c298f89-4303-0410-b956-a3cf2f4a3e73 --- ...intk-remove-unused-code-from-kernel-print.patch | 58 ++++++++++++++++++++++ 1 file changed, 58 insertions(+) create mode 100644 target/linux/goldfish/patches-2.6.30/0109-Revert-printk-remove-unused-code-from-kernel-print.patch (limited to 'target/linux/goldfish/patches-2.6.30/0109-Revert-printk-remove-unused-code-from-kernel-print.patch') diff --git a/target/linux/goldfish/patches-2.6.30/0109-Revert-printk-remove-unused-code-from-kernel-print.patch b/target/linux/goldfish/patches-2.6.30/0109-Revert-printk-remove-unused-code-from-kernel-print.patch new file mode 100644 index 000000000..26745a116 --- /dev/null +++ b/target/linux/goldfish/patches-2.6.30/0109-Revert-printk-remove-unused-code-from-kernel-print.patch @@ -0,0 +1,58 @@ +From fca2519ebf25db61da132932eb3fffeaa1974f43 Mon Sep 17 00:00:00 2001 +From: =?utf-8?q?Arve=20Hj=C3=B8nnev=C3=A5g?= +Date: Thu, 15 Jan 2009 19:07:27 -0800 +Subject: [PATCH 109/134] Revert "printk: remove unused code from kernel/printk.c" + +This reverts commit acff181d3574244e651913df77332e897b88bff4. +--- + kernel/printk.c | 39 +++++++++++++++++++++++++++++++++++++++ + 1 files changed, 39 insertions(+), 0 deletions(-) + +--- a/kernel/printk.c ++++ b/kernel/printk.c +@@ -255,6 +255,45 @@ 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: + * + * 0 -- Close the log. Currently a NOP. -- cgit v1.2.3