diff -Nru a/Documentation/sysrq.txt b/Documentation/sysrq.txt
--- a/Documentation/sysrq.txt	Fri Mar 28 21:15:18 2003
+++ b/Documentation/sysrq.txt	Fri Mar 28 21:15:18 2003
@@ -36,6 +36,10 @@
 On other - If you know of the key combos for other architectures, please
            let me know so I can add them to this section.
 
+On all -  write a character to /proc/sysrq-trigger.  eg:
+
+		echo t > /proc/sysrq-trigger
+
 *  What are the 'command' keys?
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 'r'     - Turns off keyboard raw mode and sets it to XLATE.
diff -Nru a/fs/proc/proc_misc.c b/fs/proc/proc_misc.c
--- a/fs/proc/proc_misc.c	Fri Mar 28 21:15:18 2003
+++ b/fs/proc/proc_misc.c	Fri Mar 28 21:15:18 2003
@@ -36,6 +36,7 @@
 #include <linux/init.h>
 #include <linux/smp_lock.h>
 #include <linux/seq_file.h>
+#include <linux/sysrq.h>
 
 #include <asm/uaccess.h>
 #include <asm/pgtable.h>
@@ -532,6 +533,28 @@
 	write:		write_profile,
 };
 
+#ifdef CONFIG_MAGIC_SYSRQ
+/*
+ * writing 'C' to /proc/sysrq-trigger is like sysrq-C
+ */
+static ssize_t write_sysrq_trigger(struct file *file, const char *buf,
+				     size_t count, loff_t *ppos)
+{
+	if (count) {
+		char c;
+
+		if (get_user(c, buf))
+			return -EFAULT;
+		handle_sysrq(c, NULL, NULL, NULL);
+	}
+	return count;
+}
+
+static struct file_operations proc_sysrq_trigger_operations = {
+	.write		= write_sysrq_trigger,
+};
+#endif
+
 struct proc_dir_entry *proc_root_kcore;
 
 static void create_seq_entry(char *name, mode_t mode, struct file_operations *f)
@@ -608,6 +631,11 @@
 			entry->size = (1+prof_len) * sizeof(unsigned int);
 		}
 	}
+#ifdef CONFIG_MAGIC_SYSRQ
+	entry = create_proc_entry("sysrq-trigger", S_IWUSR, NULL);
+	if (entry)
+		entry->proc_fops = &proc_sysrq_trigger_operations;
+#endif
 #ifdef CONFIG_PPC32
 	{
 		extern struct file_operations ppc_htab_operations;