linux/3.1: R.I.P.

SVN-Revision: 31891

1 files changed, 0 insertions, 242 deletions

diff --git a/target/linux/generic/patches-3.1/930-crashlog.patch b/target/linux/generic/patches-3.1/930-crashlog.patch
deleted file mode 100644
index e50a31e7ab..0000000000
--- a/target/linux/generic/patches-3.1/930-crashlog.patch
+++ /dev/null
@@ -1,242 +0,0 @@
---- /dev/null
-+++ b/include/linux/crashlog.h
-@@ -0,0 +1,12 @@
-+#ifndef __CRASHLOG_H
-+#define __CRASHLOG_H
-+
-+#ifdef CONFIG_CRASHLOG
-+void __init crashlog_init_mem(struct bootmem_data *bdata);
-+#else
-+static inline void crashlog_init_mem(struct bootmem_data *bdata)
-+{
-+}
-+#endif
-+
-+#endif
---- a/init/Kconfig
-+++ b/init/Kconfig
-@@ -879,6 +879,10 @@ config RELAY
- 
- 	  If unsure, say N.
- 
-+config CRASHLOG
-+	bool "Crash logging"
-+	depends on !NO_BOOTMEM && !HAVE_MEMBLOCK
-+
- config BLK_DEV_INITRD
- 	bool "Initial RAM filesystem and RAM disk (initramfs/initrd) support"
- 	depends on BROKEN || !FRV
---- a/kernel/Makefile
-+++ b/kernel/Makefile
-@@ -108,6 +108,7 @@ obj-$(CONFIG_USER_RETURN_NOTIFIER) += us
- obj-$(CONFIG_PADATA) += padata.o
- obj-$(CONFIG_CRASH_DUMP) += crash_dump.o
- obj-$(CONFIG_JUMP_LABEL) += jump_label.o
-+obj-$(CONFIG_CRASHLOG) += crashlog.o
- 
- ifneq ($(CONFIG_SCHED_OMIT_FRAME_POINTER),y)
- # According to Alan Modra <alan@linuxcare.com.au>, the -fno-omit-frame-pointer is
---- /dev/null
-+++ b/kernel/crashlog.c
-@@ -0,0 +1,171 @@
-+/*
-+ * Crash information logger
-+ * Copyright (C) 2010 Felix Fietkau <nbd@openwrt.org>
-+ *
-+ * Based on ramoops.c
-+ *   Copyright (C) 2010 Marco Stornelli <marco.stornelli@gmail.com>
-+ *
-+ * This program is free software; you can redistribute it and/or
-+ * modify it under the terms of the GNU General Public License
-+ * version 2 as published by the Free Software Foundation.
-+ *
-+ * This program is distributed in the hope that it will be useful, but
-+ * WITHOUT ANY WARRANTY; without even the implied warranty of
-+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-+ * General Public License for more details.
-+ *
-+ * You should have received a copy of the GNU General Public License
-+ * along with this program; if not, write to the Free Software
-+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
-+ * 02110-1301 USA
-+ *
-+ */
-+
-+#include <linux/module.h>
-+#include <linux/bootmem.h>
-+#include <linux/debugfs.h>
-+#include <linux/crashlog.h>
-+#include <linux/kmsg_dump.h>
-+#include <linux/module.h>
-+#include <linux/pfn.h>
-+#include <asm/io.h>
-+
-+#define CRASHLOG_PAGES	4
-+#define CRASHLOG_SIZE	(CRASHLOG_PAGES * PAGE_SIZE)
-+#define CRASHLOG_MAGIC	0xa1eedead
-+
-+/*
-+ * Start the log at 1M before the end of RAM, as some boot loaders like
-+ * to use the end of the RAM for stack usage and other things
-+ * If this fails, fall back to using the last part.
-+ */
-+#define CRASHLOG_OFFSET	(1024 * 1024)
-+
-+struct crashlog_data {
-+	u32 magic;
-+	u32 len;
-+	u8 data[];
-+};
-+
-+static struct debugfs_blob_wrapper crashlog_blob;
-+static unsigned long crashlog_addr = 0;
-+static struct crashlog_data *crashlog_buf;
-+static struct kmsg_dumper dump;
-+static bool first = true;
-+
-+extern struct list_head *crashlog_modules;
-+
-+void __init crashlog_init_mem(bootmem_data_t *bdata)
-+{
-+	unsigned long addr;
-+
-+	if (crashlog_addr)
-+		return;
-+
-+	addr = PFN_PHYS(bdata->node_low_pfn) - CRASHLOG_OFFSET;
-+	if (reserve_bootmem(addr, CRASHLOG_SIZE, BOOTMEM_EXCLUSIVE) < 0) {
-+		printk("Crashlog failed to allocate RAM at address 0x%lx\n", addr);
-+		bdata->node_low_pfn -= CRASHLOG_PAGES;
-+		addr = PFN_PHYS(bdata->node_low_pfn);
-+	}
-+	crashlog_addr = addr;
-+}
-+
-+static void __init crashlog_copy(void)
-+{
-+	if (crashlog_buf->magic != CRASHLOG_MAGIC)
-+		return;
-+
-+	if (!crashlog_buf->len || crashlog_buf->len >
-+	    CRASHLOG_SIZE - sizeof(*crashlog_buf))
-+		return;
-+
-+	crashlog_blob.size = crashlog_buf->len;
-+	crashlog_blob.data = kmemdup(crashlog_buf->data,
-+		crashlog_buf->len, GFP_KERNEL);
-+
-+	debugfs_create_blob("crashlog", 0700, NULL, &crashlog_blob);
-+}
-+
-+static int get_maxlen(void)
-+{
-+	return CRASHLOG_SIZE - sizeof(*crashlog_buf) - crashlog_buf->len;
-+}
-+
-+static void crashlog_printf(const char *fmt, ...)
-+{
-+	va_list args;
-+	int len = get_maxlen();
-+
-+	if (!len)
-+		return;
-+
-+	va_start(args, fmt);
-+	crashlog_buf->len += vsnprintf(
-+		&crashlog_buf->data[crashlog_buf->len],
-+		len, fmt, args);
-+	va_end(args);
-+}
-+
-+static void crashlog_do_dump(struct kmsg_dumper *dumper,
-+		enum kmsg_dump_reason reason, const char *s1, unsigned long l1,
-+		const char *s2, unsigned long l2)
-+{
-+	unsigned long s1_start, s2_start;
-+	unsigned long l1_cpy, l2_cpy;
-+	struct timeval tv;
-+	struct module *m;
-+	char *buf;
-+	int len;
-+
-+	if (!first)
-+		crashlog_printf("\n===================================\n");
-+
-+	do_gettimeofday(&tv);
-+	crashlog_printf("Time: %lu.%lu\n",
-+		(long)tv.tv_sec, (long)tv.tv_usec);
-+
-+	if (first) {
-+		crashlog_printf("Modules:");
-+		list_for_each_entry(m, crashlog_modules, list) {
-+			crashlog_printf("\t%s@%p+%x", m->name,
-+			m->module_core, m->core_size,
-+			m->module_init, m->init_size);
-+		}
-+		crashlog_printf("\n");
-+		first = false;
-+	}
-+
-+	buf = (char *)&crashlog_buf->data[crashlog_buf->len];
-+	len = get_maxlen();
-+
-+	l2_cpy = min(l2, (unsigned long)len);
-+	l1_cpy = min(l1, (unsigned long)len - l2_cpy);
-+
-+	s2_start = l2 - l2_cpy;
-+	s1_start = l1 - l1_cpy;
-+
-+	memcpy(buf, s1 + s1_start, l1_cpy);
-+	memcpy(buf + l1_cpy, s2 + s2_start, l2_cpy);
-+	crashlog_buf->len += l1_cpy + l2_cpy;
-+}
-+
-+
-+int __init crashlog_init_fs(void)
-+{
-+	if (!crashlog_addr)
-+		return -ENOMEM;
-+
-+	crashlog_buf = ioremap(crashlog_addr, CRASHLOG_SIZE);
-+
-+	crashlog_copy();
-+
-+	crashlog_buf->magic = CRASHLOG_MAGIC;
-+	crashlog_buf->len = 0;
-+
-+	dump.dump = crashlog_do_dump;
-+	kmsg_dump_register(&dump);
-+
-+	return 0;
-+}
-+module_init(crashlog_init_fs);
---- a/mm/bootmem.c
-+++ b/mm/bootmem.c
-@@ -15,6 +15,7 @@
- #include <linux/module.h>
- #include <linux/kmemleak.h>
- #include <linux/range.h>
-+#include <linux/crashlog.h>
- #include <linux/memblock.h>
- 
- #include <asm/bug.h>
-@@ -178,6 +179,7 @@ static unsigned long __init free_all_boo
- 	if (!bdata->node_bootmem_map)
- 		return 0;
- 
-+	crashlog_init_mem(bdata);
- 	start = bdata->node_min_pfn;
- 	end = bdata->node_low_pfn;
- 
---- a/kernel/module.c
-+++ b/kernel/module.c
-@@ -107,6 +107,9 @@ static LIST_HEAD(modules);
- #ifdef CONFIG_KGDB_KDB
- struct list_head *kdb_modules = &modules; /* kdb needs the list of modules */
- #endif /* CONFIG_KGDB_KDB */
-+#ifdef CONFIG_CRASHLOG
-+struct list_head *crashlog_modules = &modules;
-+#endif
- 
- 
- /* Block module loading/unloading? */