AcoSail/kernel_optimize_test
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kernel_optimize_test/lib
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Frederic Weisbecker 9eeba6138c lockdep: warn about lockdep disabling after kernel taint 
Impact: provide useful missing info for developers

Kernel taint can occur in several situations such as warnings,
load of prorietary or staging modules, bad page, etc...

But when such taint happens, a developer might still be working on
the kernel, expecting that lockdep is still enabled. But a taint
disables lockdep without ever warning about it.
Such a kernel behaviour doesn't really help for kernel development.

This patch adds this missing warning.

Since the taint is done most of the time after the main message that
explain the real source issue, it seems safe to warn about it inside
add_taint() so that it appears at last, without hurting the main
information.

v2: Use a generic helper to disable lockdep instead of an
    open coded xchg().

Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Peter Zijlstra <peterz@infradead.org>
LKML-Reference: <1239412638-6739-1-git-send-email-fweisbec@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
2009-04-12 16:10:51 +02:00
..
lzo lzo: use get/put_unaligned_* helpers 2008-07-25 10:53:26 -07:00
reed_solomon
zlib_deflate
zlib_inflate bzip2/lzma: library support for gzip, bzip2 and lzma decompression 2009-01-04 15:53:34 -08:00
.gitignore
argv_split.c
audit.c
bcd.c rtc: BCD codeshrink 2008-07-24 10:47:33 -07:00
bitmap.c bitmap: fix end condition in bitmap_find_free_region 2009-03-12 19:32:51 -07:00
bitrev.c lib: export bitrev16 2008-06-06 11:29:10 -07:00
bug.c allow bug table entries to use relative pointers (and use it on x86-64) 2008-12-16 18:40:32 +01:00
bust_spinlocks.c oops handling: ensure that any oops is flushed to the mtdoops console 2009-01-06 15:59:11 -08:00
check_signature.c
cmdline.c generic, memparse(): constify argument 2008-07-28 15:05:23 +02:00
cpumask.c cpumask: fix slab corruption caused by alloc_cpumask_var_node() 2009-04-02 19:05:11 -07:00
crc7.c
crc16.c
crc32.c
crc32defs.h
crc-ccitt.c
crc-itu-t.c
crc-t10dif.c [SCSI] lib: Add support for the T10 (SCSI) Data Integrity Field CRC 2008-07-12 08:22:32 -05:00
ctype.c
debug_locks.c lockdep: warn about lockdep disabling after kernel taint 2009-04-12 16:10:51 +02:00
debugobjects.c debugobjects: delay free of internal objects 2009-03-17 12:28:30 +01:00
dec_and_lock.c
decompress_bunzip2.c kmemtrace, kbuild: fix slab.h dependency problem in lib/decompress_bunzip2.c 2009-04-03 12:22:45 +02:00
decompress_inflate.c kmemtrace, kbuild: fix slab.h dependency problem in lib/decompress_inflate.c 2009-04-03 12:21:36 +02:00
decompress_unlzma.c kmemtrace, kbuild: fix slab.h dependency problem in lib/decompress_unlzma.c 2009-04-03 12:22:59 +02:00
decompress.c bzip2/lzma: don't stop search at first unconfigured compression 2009-02-19 13:36:55 -08:00
devres.c [POWERPC] devres: Add devm_ioremap_prot() 2008-05-05 16:47:14 +10:00
div64.c add an inlined version of iter_div_u64_rem 2008-06-12 10:47:58 +02:00
dma-debug.c dma-debug: fix printk formats (i386) 2009-03-30 14:28:59 -07:00
dump_stack.c
dynamic_debug.c Dynamic debug: allow simple quoting of words 2009-03-24 16:38:27 -07:00
extable.c
fault-inject.c Remove remaining unwinder code 2009-01-06 15:59:11 -08:00
find_last_bit.c bitmap: find_last_bit() 2009-01-01 10:12:19 +10:30
find_next_bit.c bitops: remove "optimizations" 2008-04-29 08:11:16 -07:00
gen_crc32table.c
genalloc.c
halfmd4.c
hexdump.c lib: create common ascii hex array 2008-05-14 19:11:14 -07:00
hweight.c
idr.c cgroup: CSS ID support 2009-04-02 19:04:53 -07:00
inflate.c inflate: refactor inflate malloc code 2008-07-25 10:53:28 -07:00
int_sqrt.c
iomap_copy.c
iomap.c Use WARN() in lib/ 2008-07-26 12:00:07 -07:00
iommu-helper.c introduce generic iommu_num_pages function 2008-10-16 11:21:33 -07:00
ioremap.c
irq_regs.c
is_single_threaded.c CRED: Rename is_single_threaded() to is_wq_single_threaded() 2008-11-14 10:39:21 +11:00
kasprintf.c
Kconfig Merge branch 'tracing/core-v2' into tracing-for-linus 2009-04-02 00:49:02 +02:00
Kconfig.debug Merge branch 'linus' into core/softlockup 2009-04-07 11:15:40 +02:00
Kconfig.kgdb kgdb: remove the requirement for CONFIG_FRAME_POINTER 2008-08-01 08:39:34 -05:00
kernel_lock.c sched: TIF_NEED_RESCHED -> need_reshed() cleanup 2009-03-06 12:48:55 +01:00
klist.c driver core: Remove completion from struct klist_node 2009-01-06 10:44:30 -08:00
kobject_uevent.c Merge branch 'master' of /home/davem/src/GIT/linux-2.6/ 2009-03-26 15:23:24 -07:00
kobject.c driver core: get rid of struct device's bus_id string array 2009-03-24 16:38:23 -07:00
kref.c
libcrc32c.c libcrc32c: Fix "crc32c undefined" compilation error 2008-12-25 11:01:42 +11:00
list_debug.c list debugging: use WARN() instead of BUG() 2008-07-25 10:53:29 -07:00
lmb.c lmb: Rework lmb_dump_all() output 2009-02-11 13:38:00 +11:00
locking-selftest-hardirq.h
locking-selftest-mutex.h
locking-selftest-rlock-hardirq.h
locking-selftest-rlock-softirq.h
locking-selftest-rlock.h
locking-selftest-rsem.h
locking-selftest-softirq.h
locking-selftest-spin-hardirq.h
locking-selftest-spin-softirq.h
locking-selftest-spin.h
locking-selftest-wlock-hardirq.h
locking-selftest-wlock-softirq.h
locking-selftest-wlock.h
locking-selftest-wsem.h
locking-selftest.c locking: rename trace_softirq_[enter|exit] => lockdep_softirq_[enter|exit] 2009-03-13 01:32:36 +01:00
Makefile Merge branch 'linus' into core/iommu 2009-03-28 23:05:50 +01:00
nlattr.c Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/kaber/nf-next-2.6 2009-03-26 22:45:23 -07:00
parser.c vfs: Use const for kernel parser table 2008-10-13 10:10:37 -07:00
percpu_counter.c Merge branch 'core-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip 2009-01-06 17:10:04 -08:00
plist.c Use WARN() in lib/ 2008-07-26 12:00:07 -07:00
prio_heap.c lib: fix sparse shadowed variable warning 2009-01-06 15:59:11 -08:00
prio_tree.c
proportions.c Merge branch 'core-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip 2009-01-06 17:10:04 -08:00
radix-tree.c Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial 2009-01-07 11:31:52 -08:00
random32.c random32: seeding improvement 2008-07-30 16:29:19 -07:00
ratelimit.c __ratelimit() cpu flags can't be static 2008-07-28 16:30:20 -07:00
rbtree.c lib/rbtree.c: optimize rb_erase() 2009-04-01 08:59:17 -07:00
reciprocal_div.c
rwsem-spinlock.c
rwsem.c
scatterlist.c lib/scatterlist.c: fix kunmap() argument in sg_miter_stop() 2008-11-19 18:49:58 -08:00
sha1.c
show_mem.c lib: generic show_mem() 2008-07-26 12:00:10 -07:00
smp_processor_id.c cpumask: convert lib/smp_processor_id to new cpumask ops 2009-01-30 15:47:34 +01:00
sort.c generic swap(): lib/sort.c: rename swap to swap_func 2009-01-08 08:31:14 -08:00
spinlock_debug.c
string_helpers.c [SCSI] lib: string_get_size(): don't hang on zero; no decimals on exact 2008-10-23 11:42:20 -05:00
string.c Add a new sysfs_streq() string comparison function 2008-05-01 08:03:59 -07:00
swiotlb.c dma-mapping: replace all DMA_32BIT_MASK macro with DMA_BIT_MASK(32) 2009-04-07 08:31:11 -07:00
syscall.c task_current_syscall 2008-07-26 12:00:10 -07:00
textsearch.c remove CONFIG_KMOD from lib 2008-07-22 19:24:31 +10:00
ts_bm.c textsearch: ts_bm: support case insensitive searching in Boyer-Moore algorithm 2008-07-08 02:37:54 -07:00
ts_fsm.c textsearch: ts_fsm: return error on request for case insensitive search 2008-07-08 02:38:27 -07:00
ts_kmp.c textsearch: ts_kmp: support case insensitive searching in Knuth-Morris-Pratt algorithm 2008-07-08 02:38:09 -07:00
vsprintf.c printk: fix wrong format string iter for printk 2009-04-08 17:03:44 +02:00