The patch titled
bug-test-1
has been added to the -mm tree. Its filename is
bug-test-1.patch
See http://www.zip.com.au/~akpm/linux/patches/stuff/added-to-mm.txt to find
out what to do about this
------------------------------------------------------
Subject: bug-test-1
From: Jeremy Fitzhardinge <jeremy@xxxxxxxx>
add bugs!
Cc: Jeremy Fitzhardinge <jeremy@xxxxxxxx>
Cc: Andi Kleen <ak@xxxxxx>
Cc: Hugh Dickens <hugh@xxxxxxxxxxx>
Cc: Michael Ellerman <michael@xxxxxxxxxxxxxx>
Cc: Paul Mackerras <paulus@xxxxxxxxx>
Cc: Benjamin Herrenschmidt <benh@xxxxxxxxxxxxxxxxxxx>
Cc: Rusty Russell <rusty@xxxxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxx>
---
drivers/char/raw.c | 33 +++++++++++++++++++++++++++++++++
fs/drop_caches.c | 4 ++++
2 files changed, 37 insertions(+)
diff -puN drivers/char/raw.c~bug-test-1 drivers/char/raw.c
--- a/drivers/char/raw.c~bug-test-1
+++ a/drivers/char/raw.c
@@ -19,6 +19,7 @@
#include <linux/cdev.h>
#include <linux/device.h>
#include <linux/mutex.h>
+#include <linux/sysctl.h>
#include <asm/uaccess.h>
@@ -260,6 +261,36 @@ static struct cdev raw_cdev = {
.owner = THIS_MODULE,
};
+static int go_bug(ctl_table *table, int write,
+ struct file *file, void __user *buffer, size_t *length, loff_t *ppos)
+{
+ BUG_ON(1);
+ return 0;
+}
+
+static int go_warn(ctl_table *table, int write,
+ struct file *file, void __user *buffer, size_t *length, loff_t *ppos)
+{
+ WARN_ON(1);
+ return 0;
+}
+
+static ctl_table raw_table[] = {
+ {
+ .ctl_name = 1,
+ .procname = "go-bug",
+ .mode = 0600,
+ .proc_handler = go_bug,
+ },
+ {
+ .ctl_name = 2,
+ .procname = "go-warn",
+ .mode = 0600,
+ .proc_handler = go_warn,
+ },
+ {0}
+};
+
static int __init raw_init(void)
{
dev_t dev = MKDEV(RAW_MAJOR, 0);
@@ -285,6 +316,8 @@ static int __init raw_init(void)
}
class_device_create(raw_class, NULL, MKDEV(RAW_MAJOR, 0), NULL, "rawctl");
+ register_sysctl_table(raw_table, 0);
+
return 0;
error_region:
diff -puN fs/drop_caches.c~bug-test-1 fs/drop_caches.c
--- a/fs/drop_caches.c~bug-test-1
+++ a/fs/drop_caches.c
@@ -63,6 +63,10 @@ int drop_caches_sysctl_handler(ctl_table
drop_pagecache();
if (sysctl_drop_caches & 2)
drop_slab();
+ if (sysctl_drop_caches & 4)
+ WARN_ON(1);
+ if (sysctl_drop_caches & 8)
+ BUG();
}
return 0;
}
_
Patches currently in -mm which might be from jeremy@xxxxxxxx are
origin.patch
x86-remove-default_ldt-and-simplify-ldt-setting.patch
generic-implementatation-of-bug.patch
generic-bug-for-i386.patch
generic-bug-for-x86-64.patch
generic-bug-for-powerpc.patch
bug-test-1.patch
-
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