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Andi Kleen 35bb5b1e0e Add option to enable -Wframe-larger-than= on gcc 4.4 
Add option to enable -Wframe-larger-than= on gcc 4.4

gcc mainline (upcoming 4.4) added a new -Wframe-larger-than=...
option to warn at build time about too large stack frames. Add a config
option to enable this warning, since this very useful for the kernel.

I choose (somewhat arbitarily) 2048 as default warning threshold for 64bit
and 1024 as default for 32bit architectures.  With some research and
fixing all the code for smaller values these defaults should be probably
lowered.

With the default allyesconfigs have some new warnings, but I think
that is all code that should be just fixed.

At some point (when gcc 4.4 is released and widely used) this should
obsolete make checkstack

Signed-off-by: Andi Kleen <ak@suse.de>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
2008-04-25 20:23:47 +02:00
..
lzo
lzo: fix typo in decompressor
2008-04-10 15:34:05 -07:00
reed_solomon
lib: Remove unnecessary inclusions of asm/semaphore.h
2008-04-18 22:17:17 -04:00
zlib_deflate
lib/: Spelling fixes
2008-02-03 17:48:52 +02:00
zlib_inflate
[ZLIB]: Fix external builds of zlib_inflate code.
2007-10-11 22:17:20 -07:00
.gitignore
Add some basic .gitignore files
2005-10-18 08:26:15 -07:00
argv_split.c
LIB: Replace inappropriate include of <linux/bug.h>
2007-10-20 00:26:10 +02:00
audit.c
[PATCH] audit signal recipients
2007-05-11 05:38:25 -04:00
bitmap.c
cpumask: add cpumask_scnprintf_len function
2008-04-19 19:44:58 +02:00
bitrev.c
[PATCH] add MODULE_* attributes to bit reversal library
2006-12-10 10:07:52 -08:00
bug.c
generic bug: use show_regs() instead of dump_stack()
2007-07-16 09:05:51 -07:00
bust_spinlocks.c
handle recursive calls to bust_spinlocks()
2007-10-17 08:42:56 -07:00
check_signature.c
uninline check_signature()
2007-07-16 09:05:50 -07:00
cmdline.c
[PATCH] Numerous fixes to kernel-doc info in source files.
2007-02-11 10:51:32 -08:00
cpumask.c
Safer nr_node_ids and nr_node_ids determination and initial values
2007-05-07 12:12:51 -07:00
crc7.c
CRC7 support
2007-07-17 10:23:04 -07:00
crc16.c
[PATCH] kernel-doc for lib/crc*.c
2006-06-25 10:01:20 -07:00
crc32.c
lib/: Spelling fixes
2008-02-03 17:48:52 +02:00
crc32defs.h
Linux-2.6.12-rc2
2005-04-16 15:20:36 -07:00
crc-ccitt.c
[PATCH] kernel-doc for lib/crc*.c
2006-06-25 10:01:20 -07:00
crc-itu-t.c
CRC ITU-T V.41
2007-05-10 18:24:13 +02:00
ctype.c
Linux-2.6.12-rc2
2005-04-16 15:20:36 -07:00
debug_locks.c
[PATCH] lockdep: better lock debugging
2006-07-03 15:27:01 -07:00
dec_and_lock.c
[PATCH] atomic: dec_and_lock use atomic primitives
2006-01-08 20:13:48 -08:00
devres.c
devres: implement pcim_iomap_regions_request_all()
2008-03-17 08:26:44 -04:00
div64.c
[S390]: Fix build on 31-bit.
2007-04-25 22:28:53 -07:00
dump_stack.c
Linux-2.6.12-rc2
2005-04-16 15:20:36 -07:00
extable.c
lib/extable.c: remove an expensive integer divide in search_extable()
2008-02-06 10:41:08 -08:00
fault-inject.c
libfs: allow error return from simple attributes
2008-02-08 09:22:34 -08:00
find_next_bit.c
ext4: Add ext4_find_next_bit()
2008-01-28 23:58:27 -05:00
gen_crc32table.c
Linux-2.6.12-rc2
2005-04-16 15:20:36 -07:00
genalloc.c
Slab allocators: Replace explicit zeroing with __GFP_ZERO
2007-07-17 10:23:02 -07:00
halfmd4.c
Linux-2.6.12-rc2
2005-04-16 15:20:36 -07:00
hexdump.c
hexdump: don't print bytes with bit 7 set
2007-11-29 09:24:53 -08:00
hweight.c
remove asm/bitops.h includes
2007-10-19 11:53:41 -07:00
idr.c
Slab API: remove useless ctor parameter and reorder parameters
2007-10-17 08:42:45 -07:00
inflate.c
[PATCH] x86-64: deflate inflate_dynamic too
2007-05-02 19:27:15 +02:00
int_sqrt.c
[PATCH] lib: Fix bug in int_sqrt() for 64 bit longs
2006-02-03 08:32:08 -08:00
iomap_copy.c
[PATCH] add __iowrite64_copy
2006-06-20 20:24:58 -07:00
iomap.c
x86-32: Pass the full resource data to ioremap()
2008-03-24 11:22:39 -07:00
iommu-helper.c
iommu: export iommu_is_span_boundary helper function
2008-03-04 16:35:17 -08:00
ioremap.c
lib/ioremap.c should #include <linux/io.h>
2007-10-17 08:42:50 -07:00
irq_regs.c
[PATCH] irq_reqs: export __irq_regs
2006-10-06 08:53:40 -07:00
kasprintf.c
lib: move kasprintf to a separate file
2007-07-31 15:39:39 -07:00
Kconfig
[LIB]: Make PowerPC LMB code generic so sparc64 can use it too.
2008-02-13 16:56:49 -08:00
Kconfig.debug
Add option to enable -Wframe-larger-than= on gcc 4.4
2008-04-25 20:23:47 +02:00
Kconfig.kgdb
kgdb: allow static kgdbts boot configuration
2008-04-17 20:05:43 +02:00
kernel_lock.c
Convert asm/semaphore.h users to linux/semaphore.h
2008-04-18 22:22:54 -04:00
klist.c
Driver core: Don't call put methods while holding a spinlock
2006-09-25 21:08:40 -07:00
kobject_uevent.c
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6
2008-04-03 14:33:42 -07:00
kobject.c
Kobject: Replace list_for_each() with list_for_each_entry().
2008-04-19 19:10:27 -07:00
kref.c
kref: add kref_set()
2008-01-24 20:40:05 -08:00
libcrc32c.c
[LIB] crc32c: Keep intermediate crc state in cpu order
2007-11-08 21:34:09 +08:00
list_debug.c
[PATCH] More list debugging context
2006-12-07 08:39:35 -08:00
lmb.c
[LMB]: Fix lmb allocation regression.
2008-04-23 23:30:59 -07:00
locking-selftest-hardirq.h
[PATCH] lockdep: locking API self tests
2006-07-03 15:27:03 -07:00
locking-selftest-mutex.h
[PATCH] lockdep: locking API self tests
2006-07-03 15:27:03 -07:00
locking-selftest-rlock-hardirq.h
[PATCH] lockdep: locking API self tests
2006-07-03 15:27:03 -07:00
locking-selftest-rlock-softirq.h
[PATCH] lockdep: locking API self tests
2006-07-03 15:27:03 -07:00
locking-selftest-rlock.h
[PATCH] lockdep: locking API self tests
2006-07-03 15:27:03 -07:00
locking-selftest-rsem.h
[PATCH] lockdep: locking API self tests
2006-07-03 15:27:03 -07:00
locking-selftest-softirq.h
[PATCH] lockdep: locking API self tests
2006-07-03 15:27:03 -07:00
locking-selftest-spin-hardirq.h
[PATCH] lockdep: locking API self tests
2006-07-03 15:27:03 -07:00
locking-selftest-spin-softirq.h
[PATCH] lockdep: locking API self tests
2006-07-03 15:27:03 -07:00
locking-selftest-spin.h
[PATCH] lockdep: locking API self tests
2006-07-03 15:27:03 -07:00
locking-selftest-wlock-hardirq.h
[PATCH] lockdep: locking API self tests
2006-07-03 15:27:03 -07:00
locking-selftest-wlock-softirq.h
[PATCH] lockdep: locking API self tests
2006-07-03 15:27:03 -07:00
locking-selftest-wlock.h
[PATCH] lockdep: locking API self tests
2006-07-03 15:27:03 -07:00
locking-selftest-wsem.h
[PATCH] lockdep: locking API self tests
2006-07-03 15:27:03 -07:00
locking-selftest.c
[PATCH] lockdep: show more details about self-test failures
2006-12-07 08:39:43 -08:00
Makefile
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc
2008-04-21 15:50:49 -07:00
parser.c
[AFS]: Make the match_*() functions take const options.
2007-05-03 03:10:39 -07:00
percpu_counter.c
Add irq protection in the percpu-counters cpu-hotplug-callback path
2007-10-19 11:53:44 -07:00
plist.c
[PATCH] pi-futex: add plist implementation
2006-06-27 17:32:46 -07:00
prio_heap.c
Fix cpusets update_cpumask
2007-10-19 11:53:41 -07:00
prio_tree.c
Linux-2.6.12-rc2
2005-04-16 15:20:36 -07:00
proportions.c
lib: proportion: fix underflow in prop_norm_percpu()
2007-12-23 12:54:37 -08:00
radix-tree.c
radix-tree: avoid atomic allocations for preloaded insertions
2008-02-05 09:44:17 -08:00
random32.c
[NET]: srandom32 fixes for networking v2
2008-04-03 14:07:02 -07:00
rbtree.c
[PATCH] rbtree: fixed reversed RB_EMPTY_NODE and rb_next/prev
2006-09-30 20:26:56 +02:00
reciprocal_div.c
[PATCH] SLAB: use a multiply instead of a divide in obj_to_index()
2006-12-13 09:05:49 -08:00
rwsem-spinlock.c
lib: remove fastcall from lib/*
2008-02-08 09:22:31 -08:00
rwsem.c
x86: fix UML and -regparm=3
2008-01-30 13:33:00 +01:00
scatterlist.c
[SCSI] block: add sg buffer copy helper functions
2008-04-07 12:15:45 -05:00
sha1.c
[PATCH] Numerous fixes to kernel-doc info in source files.
2007-02-11 10:51:32 -08:00
smp_processor_id.c
debug_smp_processor_id() fixlets
2008-02-06 10:41:09 -08:00
sort.c
lib/sort.c optimization
2007-10-17 08:42:52 -07:00
spinlock_debug.c
Use helpers to obtain task pid in printks
2007-10-19 11:53:43 -07:00
string.c
[STRING]: Move strcasecmp/strncasecmp to lib/string.c
2007-04-26 01:54:39 -07:00
swiotlb.c
avoid endless loops in lib/swiotlb.c
2008-03-13 13:15:52 -07:00
textsearch.c
[TEXTSEARCH]: Do not allow zero length patterns in the textsearch infrastructure
2007-12-01 00:03:52 +11:00
ts_bm.c
[TEXTSEARCH]: Fix Boyer Moore initialization bug
2006-08-22 14:33:58 -07:00
ts_fsm.c
[PATCH] lib/ts_fsm.c: constify structs
2006-09-29 09:18:23 -07:00
ts_kmp.c
Remove obsolete #include <linux/config.h>
2006-06-30 19:25:36 +02:00
vsprintf.c
lib/vsprintf.c: fix bug omitting minus sign of numbers (module_param)
2008-02-23 17:12:14 -08:00