SLUB: Increasing partial pages

SLUB: Increasing partial pages

[Matthew Wilcox]

Hi Christoph,

We tested 2.6.24-rc5 + 76be895001f2b0bee42a7685e942d3e08d5dd46c

For 2.6.24-rc5 before that patch, slub had a performance penalty of
6.19%.  With the patch, slub's performance penalty was reduced to 4.38%.
This is great progress.  Can you think of anything else worth trying?

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Re: SLUB: Increasing partial pages

[Christoph Lameter]

On Wed, 16 Jan 2008, Matthew Wilcox wrote:

> We tested 2.6.24-rc5 + 76be895001f2b0bee42a7685e942d3e08d5dd46c
> 
> For 2.6.24-rc5 before that patch, slub had a performance penalty of
> 6.19%.  With the patch, slub's performance penalty was reduced to 4.38%.
> This is great progress.  Can you think of anything else worth trying?

Ahhh.. Good to hear that the issue on x86_64 gets better. I am still 
waiting for a test with the patchset that I did specifically to address 
your regression: http://lkml.org/lkml/2007/10/27/245 (where I tried to 
come up with an in kernel benchmark that exposes the issue even more)? It 
is much more likely now that this patchset in mm addresses your regression 
since the hackbench performance improvement fix already reduce it 
partially.

2.6.25 will add the performance enhancements for the free patch that I 
hope will address your issues. In addition the fastpath was reworked. See 
the patch mentioned above.

2.6.26 (hopefully) will remove the per cpu array lookups that are 
currently necessary on x86 and other platforms through improvements to 
the way that percpu data is handled. That leads to further fastpath 
improvements.

There are also ways to optimize the partial block handling further by f.e.
switching the percpu slab on free in order to have a higher fastpath rate.

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Re: SLUB: Increasing partial pages

[Matthew Wilcox]

On Wed, Jan 16, 2008 at 12:39:31PM -0800, Christoph Lameter wrote:
> Ahhh.. Good to hear that the issue on x86_64 gets better. I am still 
> waiting for a test with the patchset that I did specifically to address 
> your regression: http://lkml.org/lkml/2007/10/27/245 (where I tried to 
> come up with an in kernel benchmark that exposes the issue even more)? It 
> is much more likely now that this patchset in mm addresses your regression 
> since the hackbench performance improvement fix already reduce it 
> partially.

I sent you a mail on December 6th ... here are the contents of that
mail:

---

On Thu, Nov 29, 2007 at 07:54:44PM -0800, Christoph Lameter wrote:
> Hmmmm... I have been running them for awhile and they have been in mm 
> for awhile. Never seen a boot issue.

After investigation, there are two issues.

Patch 8/10 oopses during the run, typically after about an hour.

Patch 10/10 oopses during boot.  I haven't been able to reproduce this
on my quad-core machine, but it happens every time for them on their
dual quad-core machine.

---

Applying just patches 1-7 and 9 leads to a slight (0.34%) performance
reduction compared to slub.  That is 6.45% versus slab, reduces to 6.79%
with the 8 patches applied.

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Re: SLUB: Increasing partial pages

[Christoph Lameter]

On Wed, 16 Jan 2008, Matthew Wilcox wrote:

> I sent you a mail on December 6th ... here are the contents of that
> mail:

Dec 6th? I was on vacation then and it seems that I was unable to 
reproduce the oopses. Can I get some backtraces or other information 
that would allow me to diagnose the problem?

> Applying just patches 1-7 and 9 leads to a slight (0.34%) performance
> reduction compared to slub.  That is 6.45% versus slab, reduces to 6.79%
> with the 8 patches applied.

Patch 8 is the one that optimizes the fastpath. How much runtime 
variability have these tests?

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Re: SLUB: Increasing partial pages

[Matthew Wilcox]

On Wed, Jan 16, 2008 at 02:01:08PM -0800, Christoph Lameter wrote:
> On Wed, 16 Jan 2008, Matthew Wilcox wrote:
> > I sent you a mail on December 6th ... here are the contents of that
> > mail:
> 
> Dec 6th? I was on vacation then and it seems that I was unable to 
> reproduce the oopses. Can I get some backtraces or other information 
> that would allow me to diagnose the problem?

I'll ask to see what they have.

> > Applying just patches 1-7 and 9 leads to a slight (0.34%) performance
> > reduction compared to slub.  That is 6.45% versus slab, reduces to 6.79%
> > with the 8 patches applied.
> 
> Patch 8 is the one that optimizes the fastpath. How much runtime 
> variability have these tests?

About 0.1-0.2%  0.3% is considered significant.

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Re: SLUB: Increasing partial pages

[Christoph Lameter]

On Wed, 16 Jan 2008, Matthew Wilcox wrote:

> About 0.1-0.2%  0.3% is considered significant.

The results are that stable? A kernel compilation which slightly 
rearranges cachelines due to code and data changes typically leads to a 
larger variance on my 8 way box (gets even larger under NUMA). I would 
expect that the variations on a database load would be more significant.

I repeatedly saw patches from Intel to do minor changes to SLAB that 
increase performance by 0.5% or so (like the recent removal of a BUG_ON 
for performance reasons). These do not regress again when you build a 
newer kernel release?

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Re: SLUB: Increasing partial pages

[Matthew Wilcox]

On Wed, Jan 16, 2008 at 02:28:44PM -0800, Christoph Lameter wrote:
> On Wed, 16 Jan 2008, Matthew Wilcox wrote:
> > About 0.1-0.2%  0.3% is considered significant.
> 
> The results are that stable? A kernel compilation which slightly 
> rearranges cachelines due to code and data changes typically leads to a 
> larger variance on my 8 way box (gets even larger under NUMA). I would 
> expect that the variations on a database load would be more significant.

The load runs for a long time.  You can reduce variance by increasing
your sample size (ok, it's twelve years since I've done a stats course ...)

> I repeatedly saw patches from Intel to do minor changes to SLAB that 
> increase performance by 0.5% or so (like the recent removal of a BUG_ON 
> for performance reasons). These do not regress again when you build a 
> newer kernel release?

No, they don't.  Unless someone's broken something (eg putting pages on
the LRU in the wrong order so we don't get merges any more ;-)

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Re: SLUB: Increasing partial pages

[Christoph Lameter]

On Fri, 18 Jan 2008, Matthew Wilcox wrote:

> > I repeatedly saw patches from Intel to do minor changes to SLAB that 
> > increase performance by 0.5% or so (like the recent removal of a BUG_ON 
> > for performance reasons). These do not regress again when you build a 
> > newer kernel release?
> 
> No, they don't.  Unless someone's broken something (eg putting pages on
> the LRU in the wrong order so we don't get merges any more ;-)

I tried over the weekend to get reproducable results after applying each 
patch using tbench (shows a similar regression to what you are seeing 
1-4%) but each kernel build has different performance charateristics. 
Probably due to the way code is aligned in cachelines? Here are the slab 
numbes for a number of runs with different kernel builds:

2.6.24-rc8 slab (x86_64 8p SMP 8G)

Throughput 2316.87 MB/sec 8 procs
Throughput 2257.49 MB/sec 8 procs
Throughput 2264.11 MB/sec 8 procs
Throughput 2280.62 MB/sec 8 procs

So a ~3% variance!

I was able to get a feel (from the measurements that are jumping around) 
that some patches may cause tbench performance to drop a bit. In 
particular the patch before the cmpxchg_local must add the page->end 
field. The cmpxchg_local patch must offset that cost in order to make this 
a performance increase.

It would be great if you could get stable results on these (with multiple 
differently compiled kernels! Apply some patch that should have no 
performance impact but adds some code to verify). I saw an overall slight 
performance decrease on tbench (still doubting how much I can trust those 
numbers) so lets not merge the series upstream until we have more data).

Patches that I would recommend to test individually if you could do it 
(get the series via git pull 
git://git.kernel.org/pub/scm/linux/kernel/git/christoph/vm.git performance):

0006-Use-non-atomic-unlock.patch

	Surprisingly this one caused a 1% regression in some of my tests. 
        Maybe the cacheline is held longer if no atomic op is used during 
        unlock?

0005-Add-parameter-to-add_partial-to-avoid-having-two-fun.patch

	I mostly saw performance increases (1-2%) on this one.


0009-SLUB-Avoid-folding-functions-into-__slab_alloc-and.patch

0010-Move-kmem_cache_node-determination-into-add_full-par.patch


The cmpxchg stuff is a group of 3 patches. The first two should cause a 
slight performance decrease which needs at least to be offset by the third
one.

0014-SLUB-Use-unique-end-pointer-for-each-slab-page.patch
0015-slub-provide-unique-end-marker-for-each-slab-fix.patch
0017-SLUB-Alternate-fast-paths-using-cmpxchg_local.patch


0018-SLUB-Do-our-own-locking-to-avoid-extraneous-memory.patch
0019-SLUB-Own-locking-checkpatch-fixes.patch

0021-SLUB-Restructure-slab_alloc-to-flow-in-execution-se.patch

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Re: SLUB: Increasing partial pages

[Matthew Wilcox]

On Tue, Jan 22, 2008 at 12:00:00PM -0800, Christoph Lameter wrote:
> It would be great if you could get stable results on these (with multiple 
> differently compiled kernels! Apply some patch that should have no 
> performance impact but adds some code to verify). I saw an overall slight 
> performance decrease on tbench (still doubting how much I can trust those 
> numbers) so lets not merge the series upstream until we have more data).
> 
> Patches that I would recommend to test individually if you could do it 
> (get the series via git pull 
> git://git.kernel.org/pub/scm/linux/kernel/git/christoph/vm.git performance):

The thing is that each run takes approximately 4 hours on a machine
which has other patches to try too.  I'm not comfortable with asking my
colleagues to try various combinations on a whim.  What I've asked for
is:

2.6.24-rc8 w/ SLAB
2.6.24-rc8 w/ SLUB
2.6.24-rc8 w/ SLUB and your 22 patches applied.

So that should be done in about 12 hours time.

Obviously, if we see problems with all 22 patches, we'll try bisection
search ... and I think you've identified some good points to split at
below, but testing all possible combinations of these 22 patches with
and without some other random changes isn't feasible.

I also don't understand the dependency tree -- you seem to be saying
that we could apply patch 6 without patches 1-5 and test that.

> 0006-Use-non-atomic-unlock.patch
> 
> 	Surprisingly this one caused a 1% regression in some of my tests. 
>         Maybe the cacheline is held longer if no atomic op is used during 
>         unlock?
> 
> 0005-Add-parameter-to-add_partial-to-avoid-having-two-fun.patch
> 
> 	I mostly saw performance increases (1-2%) on this one.
> 
> 
> 0009-SLUB-Avoid-folding-functions-into-__slab_alloc-and.patch
> 
> 0010-Move-kmem_cache_node-determination-into-add_full-par.patch
> 
> 
> The cmpxchg stuff is a group of 3 patches. The first two should cause a 
> slight performance decrease which needs at least to be offset by the third
> one.
> 
> 0014-SLUB-Use-unique-end-pointer-for-each-slab-page.patch
> 0015-slub-provide-unique-end-marker-for-each-slab-fix.patch
> 0017-SLUB-Alternate-fast-paths-using-cmpxchg_local.patch
> 
> 
> 0018-SLUB-Do-our-own-locking-to-avoid-extraneous-memory.patch
> 0019-SLUB-Own-locking-checkpatch-fixes.patch
> 
> 0021-SLUB-Restructure-slab_alloc-to-flow-in-execution-se.patch

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operating system, but compare it to ours.  We can't possibly take such
a retrograde step."

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Re: SLUB: Increasing partial pages

[Christoph Lameter]

On Tue, 22 Jan 2008, Matthew Wilcox wrote:

> I also don't understand the dependency tree -- you seem to be saying
> that we could apply patch 6 without patches 1-5 and test that.

You could do that. Many patches can be moved at will, some require minor 
mods to apply.

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Re: SLUB: Increasing partial pages

[Matthew Wilcox]

On Tue, Jan 22, 2008 at 12:00:00PM -0800, Christoph Lameter wrote:
> Patches that I would recommend to test individually if you could do it 
> (get the series via git pull 
> git://git.kernel.org/pub/scm/linux/kernel/git/christoph/vm.git performance):

With these patches applied to 2.6.24-rc8, the perf team are seeing
oopses while running the benchmark.  They're currently trying to narrow
down which of the patches it is.  I'll get an oops for you to study when
they've figured that out.

-- 
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operating system, but compare it to ours.  We can't possibly take such
a retrograde step."

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Re: SLUB: Increasing partial pages

[Christoph Lameter]

On Sat, 16 Feb 2008, Matthew Wilcox wrote:

> On Tue, Jan 22, 2008 at 12:00:00PM -0800, Christoph Lameter wrote:
> > Patches that I would recommend to test individually if you could do it 
> > (get the series via git pull 
> > git://git.kernel.org/pub/scm/linux/kernel/git/christoph/vm.git performance):
> 
> With these patches applied to 2.6.24-rc8, the perf team are seeing
> oopses while running the benchmark.  They're currently trying to narrow
> down which of the patches it is.  I'll get an oops for you to study when
> they've figured that out.

There is also new code upstream now with significant changes that 
affect performance. It may not be worthwhile to continue with 2.6.24-rc8 
+ patches.

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Re: SLUB: Increasing partial pages

[Pekka Enberg]

On Tue, Jan 22, 2008 at 12:00:00PM -0800, Christoph Lameter wrote:
> > > Patches that I would recommend to test individually if you could do it
> > > (get the series via git pull
> > > git://git.kernel.org/pub/scm/linux/kernel/git/christoph/vm.git performance):

On Sat, 16 Feb 2008, Matthew Wilcox wrote:
>  > With these patches applied to 2.6.24-rc8, the perf team are seeing
>  > oopses while running the benchmark.  They're currently trying to narrow
>  > down which of the patches it is.  I'll get an oops for you to study when
>  > they've figured that out.

On Sat, Feb 16, 2008 at 10:34 PM, Christoph Lameter <clameter@sgi.com> wrote:
>  There is also new code upstream now with significant changes that
>  affect performance. It may not be worthwhile to continue with 2.6.24-rc8
>  + patches.

Matthew, there are changes in 2.6.26-rc1 that might affect your
workload with SLUB:

http://git.kernel.org/?p=linux/kernel/git/penberg/slab-2.6.git;a=commitdiff;h=c124f5b54f879e5870befcc076addbd5d614663f

http://git.kernel.org/?p=linux/kernel/git/penberg/slab-2.6.git;a=commitdiff;h=9b2cd506e5f2117f94c28a0040bf5da058105316

I would appreciate any updates where we currently stand with the
SLAB/SLUB performance regression on your TPC test. Thanks.

                Pekka

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Re: SLUB: Increasing partial pages

[Matthew Wilcox]

On Wed, Jan 16, 2008 at 02:01:08PM -0800, Christoph Lameter wrote:
> Dec 6th? I was on vacation then and it seems that I was unable to 
> reproduce the oopses. Can I get some backtraces or other information 
> that would allow me to diagnose the problem?

I've found one backtrace which seems to be relevant.  I believe this is
due to 8/10.

I don't think the kernel for this run was saved, so we'll have to do a
new run if you need more information than this.

general protection fault: 0000 [1] SMP
CPU 5
Modules linked in: qla2xxx scsi_transport_fc ipv6 dm_mirror dm_multipath dm_mod button ehci_hcd uhci_hcd i2c_i801 i2c_core r
ng_core e1000 floppy ext3 jbd raid1 aic79xx scsi_transport_spi ata_piix ahci libata sd_mod scsi_mod
Pid: 22541, comm: oracle Not tainted 2.6.24-rc1-slub2 #3
RIP: 0010:[<ffffffff80287d2f>]  [<ffffffff80287d2f>] kmem_cache_alloc+0x3f/0x69
RSP: 0018:ffff81006d551b38  EFLAGS: 00010046
RAX: 0000000000000000 RBX: ffff810001084d40 RCX: ffffffff80267faf
RDX: 00ffff8100745818 RSI: 0000000000011220 RDI: ffffffff805b2240
RBP: 0000000000011220 R08: 0000000000000000 R09: ffff8100745e8a80
R10: 0000000000000086 R11: ffffffff88008014 R12: 0000000000000000
R13: 0000000000011220 R14: 0000000000011220 R15: 0000000000000001
FS:  00002b0b43b53c60(0000) GS:ffff81010609d880(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000f56626ff0 CR3: 000000006d4e4000 CR4: 00000000000006e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Process oracle (pid: 22541, threadinfo ffff81006d550000, task ffff810069c3c790)
Stack:  0000000000000000 ffff8100745e8a80 ffff810109979300 ffffffff80267faf
 ffff810106198000 ffffffff8023df1d 0000000000000000 ffff81010bdeee88
 0000000000000086 0000000000000086 ffff8100745e8a80 0000000000000000
Call Trace:
 [<ffffffff80267faf>] mempool_alloc+0x41/0xf9
 [<ffffffff8023df1d>] lock_timer_base+0x24/0x49
 [<ffffffff88007550>] :scsi_mod:scsi_alloc_sgtable+0xb6/0x19c
 [<ffffffff88007b35>] :scsi_mod:scsi_init_io+0x26/0xda
 [<ffffffff8802c2ab>] :sd_mod:sd_prep_fn+0x70/0x782
 [<ffffffff80304cee>] elv_next_request+0xed/0x13a
 [<ffffffff88008014>] :scsi_mod:scsi_request_fn+0x0/0x362
 [<ffffffff8800808b>] :scsi_mod:scsi_request_fn+0x77/0x362
 [<ffffffff8030678f>] generic_unplug_device+0x18/0x25
 [<ffffffff802b289d>] __blockdev_direct_IO+0x851/0xa34
 [<ffffffff802b0746>] blkdev_direct_IO+0x45/0x4a
 [<ffffffff802b0681>] blkdev_get_blocks+0x0/0x80
 [<ffffffff802674c2>] generic_file_direct_IO+0xd0/0x103
 [<ffffffff80267bb6>] generic_file_aio_read+0x86/0x160
 [<ffffffff802a3fe9>] __aio_get_req+0x1f/0x141
 [<ffffffff80267b30>] generic_file_aio_read+0x0/0x160
 [<ffffffff802a51c7>] aio_rw_vect_retry+0x75/0x171
 [<ffffffff802a5152>] aio_rw_vect_retry+0x0/0x171
 [<ffffffff802a4727>] aio_run_iocb+0x5d/0xe3
 [<ffffffff802a571b>] io_submit_one+0x333/0x379
 [<ffffffff802a5812>] sys_io_submit+0xb1/0xfe
 [<ffffffff8020b61e>] system_call+0x7e/0x83


Code: 48 8b 34 c2 48 89 d0 48 0f b1 33 48 39 d0 75 ce 81 e5 00 80
RIP  [<ffffffff80287d2f>] kmem_cache_alloc+0x3f/0x69
 RSP <ffff81006d551b38>
BUG: sleeping function called from invalid context at kernel/rwsem.c:20
in_atomic():0, irqs_disabled():1

Call Trace:
 [<ffffffff8022aedd>] __might_sleep+0xb5/0xb7
 [<ffffffff8024b41d>] down_read+0x15/0x1e
 [<ffffffff80257c59>] acct_collect+0x40/0x17d
 [<ffffffff80238712>] do_exit+0x209/0x77d
 [<ffffffff8020cdbf>] do_divide_error+0x0/0x89
 [<ffffffff804649b9>] error_exit+0x0/0x51
 [<ffffffff88008014>] :scsi_mod:scsi_request_fn+0x0/0x362
 [<ffffffff80267faf>] mempool_alloc+0x41/0xf9
 [<ffffffff80287d2f>] kmem_cache_alloc+0x3f/0x69
 [<ffffffff80267faf>] mempool_alloc+0x41/0xf9
 [<ffffffff8023df1d>] lock_timer_base+0x24/0x49
 [<ffffffff88007550>] :scsi_mod:scsi_alloc_sgtable+0xb6/0x19c
 [<ffffffff88007b35>] :scsi_mod:scsi_init_io+0x26/0xda
 [<ffffffff8802c2ab>] :sd_mod:sd_prep_fn+0x70/0x782
 [<ffffffff80304cee>] elv_next_request+0xed/0x13a
 [<ffffffff88008014>] :scsi_mod:scsi_request_fn+0x0/0x362
 [<ffffffff8800808b>] :scsi_mod:scsi_request_fn+0x77/0x362
 [<ffffffff8030678f>] generic_unplug_device+0x18/0x25
 [<ffffffff802b289d>] __blockdev_direct_IO+0x851/0xa34
 [<ffffffff802b0746>] blkdev_direct_IO+0x45/0x4a
 [<ffffffff802b0681>] blkdev_get_blocks+0x0/0x80
 [<ffffffff802674c2>] generic_file_direct_IO+0xd0/0x103
 [<ffffffff80267bb6>] generic_file_aio_read+0x86/0x160
 [<ffffffff802a3fe9>] __aio_get_req+0x1f/0x141
 [<ffffffff80267b30>] generic_file_aio_read+0x0/0x160
 [<ffffffff802a51c7>] aio_rw_vect_retry+0x75/0x171
 [<ffffffff802a5152>] aio_rw_vect_retry+0x0/0x171
 [<ffffffff802a4727>] aio_run_iocb+0x5d/0xe3
 [<ffffffff802a571b>] io_submit_one+0x333/0x379
 [<ffffffff802a5812>] sys_io_submit+0xb1/0xfe
 [<ffffffff8020b61e>] system_call+0x7e/0x83

general protection fault: 0000 [2] SMP
CPU 5
Modules linked in: qla2xxx scsi_transport_fc ipv6 dm_mirror dm_multipath dm_mod button ehci_hcd uhci_hcd i2c_i801 i2c_core r
ng_core e1000 floppy ext3 jbd raid1 aic79xx scsi_transport_spi ata_piix ahci libata sd_mod scsi_mod
Pid: 22541, comm: oracle Tainted: G      D 2.6.24-rc1-slub2 #3
RIP: 0010:[<ffffffff80287cc6>]  [<ffffffff80287cc6>] kmem_cache_alloc_node+0x46/0x70
RSP: 0018:ffff8101061a7e50  EFLAGS: 00010246
RAX: 0000000000000000 RBX: ffff810001084d40 RCX: ffffffff803f3f43
RDX: 00000000ffffffff RSI: 00ffff8100745818 RDI: ffffffff805b2240
RBP: 0000000000000020 R08: 0000000000000005 R09: 000000000000b031
R10: ffff81006d5518f8 R11: ffff81006c14caa0 R12: 00000000000000e0
R13: ffffffff805b2240 R14: 0000000000000020 R15: 0000000000000001
FS:  00002b0b43b53c60(0000) GS:ffff81010609d880(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000f56626ff0 CR3: 000000006d4e4000 CR4: 00000000000006e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Process oracle (pid: 22541, threadinfo ffff81006d550000, task ffff810069c3c790)
Stack:  00000000ffffffff ffff81006c17e000 00000000ffffffff ffffffff803f3f43
 0000000000000005 ffff81006c17e000 ffff810106198000 0000000000000100
 ffffffff80431824 ffff8101061a7ee0 0000000000000001 ffffffff8043125a
Call Trace:
 <IRQ>  [<ffffffff803f3f43>] __alloc_skb+0x36/0x12a
 [<ffffffff80431824>] tcp_delack_timer+0x0/0x1e2
 [<ffffffff8043125a>] tcp_send_ack+0x24/0xfe
 [<ffffffff804319a9>] tcp_delack_timer+0x185/0x1e2
 [<ffffffff8023e307>] run_timer_softirq+0x156/0x1ac
 [<ffffffff8023aa61>] __do_softirq+0x50/0xbb
 [<ffffffff8020c7ac>] call_softirq+0x1c/0x28
 [<ffffffff8020ddb8>] do_softirq+0x2e/0x96
 [<ffffffff8021f28c>] smp_apic_timer_interrupt+0x3e/0x51
 [<ffffffff8020c256>] apic_timer_interrupt+0x66/0x70
 <EOI>  [<ffffffff8032dcb2>] vgacon_cursor+0x0/0x1b1
 [<ffffffff804647c1>] _spin_unlock_irq+0x9/0xa
 [<ffffffff804641fc>] __down_read+0x34/0x9e
 [<ffffffff8022aedd>] __might_sleep+0xb5/0xb7
 [<ffffffff80257c59>] acct_collect+0x40/0x17d
 [<ffffffff80238712>] do_exit+0x209/0x77d
 [<ffffffff8020cdbf>] do_divide_error+0x0/0x89
 [<ffffffff804649b9>] error_exit+0x0/0x51
 [<ffffffff88008014>] :scsi_mod:scsi_request_fn+0x0/0x362
 [<ffffffff80267faf>] mempool_alloc+0x41/0xf9
 [<ffffffff80287d2f>] kmem_cache_alloc+0x3f/0x69
 [<ffffffff80267faf>] mempool_alloc+0x41/0xf9
 [<ffffffff8023df1d>] lock_timer_base+0x24/0x49
 [<ffffffff88007550>] :scsi_mod:scsi_alloc_sgtable+0xb6/0x19c
 [<ffffffff88007b35>] :scsi_mod:scsi_init_io+0x26/0xda
 [<ffffffff8802c2ab>] :sd_mod:sd_prep_fn+0x70/0x782
 [<ffffffff80304cee>] elv_next_request+0xed/0x13a
 [<ffffffff88008014>] :scsi_mod:scsi_request_fn+0x0/0x362
 [<ffffffff8800808b>] :scsi_mod:scsi_request_fn+0x77/0x362
 [<ffffffff8030678f>] generic_unplug_device+0x18/0x25
 [<ffffffff802b289d>] __blockdev_direct_IO+0x851/0xa34
 [<ffffffff802b0746>] blkdev_direct_IO+0x45/0x4a
 [<ffffffff802b0681>] blkdev_get_blocks+0x0/0x80
 [<ffffffff802674c2>] generic_file_direct_IO+0xd0/0x103
 [<ffffffff80267bb6>] generic_file_aio_read+0x86/0x160
 [<ffffffff802a3fe9>] __aio_get_req+0x1f/0x141
 [<ffffffff80267b30>] generic_file_aio_read+0x0/0x160
 [<ffffffff802a51c7>] aio_rw_vect_retry+0x75/0x171
 [<ffffffff802a5152>] aio_rw_vect_retry+0x0/0x171
 [<ffffffff802a4727>] aio_run_iocb+0x5d/0xe3
 [<ffffffff802a571b>] io_submit_one+0x333/0x379
 [<ffffffff802a5812>] sys_io_submit+0xb1/0xfe
 [<ffffffff8020b61e>] system_call+0x7e/0x83


Code: 4c 8b 04 c6 48 89 f0 4c 0f b1 03 48 39 f0 75 c6 81 e5 00 80
RIP  [<ffffffff80287cc6>] kmem_cache_alloc_node+0x46/0x70
 RSP <ffff8101061a7e50>
Kernel panic - not syncing: Aiee, killing interrupt handler!
BUG: spinlock lockup on CPU#2, oracle/22999, ffff81010bdef018

Call Trace:
 [<ffffffff80319aee>] _raw_spin_lock+0xcc/0xf3
 [<ffffffff80307d64>] __make_request+0x65/0x574
 [<ffffffff80267faf>] mempool_alloc+0x41/0xf9
 [<ffffffff803084a6>] generic_make_request+0x1d1/0x206
 [<ffffffff802af538>] bio_alloc_bioset+0xcd/0x136
 [<ffffffff803085af>] submit_bio+0xd4/0xdf
 [<ffffffff802b1b4f>] dio_bio_submit+0x52/0x66
 [<ffffffff802b2873>] __blockdev_direct_IO+0x827/0xa34
 [<ffffffff802b0746>] blkdev_direct_IO+0x45/0x4a
 [<ffffffff802b0681>] blkdev_get_blocks+0x0/0x80
 [<ffffffff802674c2>] generic_file_direct_IO+0xd0/0x103
 [<ffffffff80267bb6>] generic_file_aio_read+0x86/0x160
 [<ffffffff802a3fe9>] __aio_get_req+0x1f/0x141
 [<ffffffff80267b30>] generic_file_aio_read+0x0/0x160
 [<ffffffff802a51c7>] aio_rw_vect_retry+0x75/0x171
 [<ffffffff802a5152>] aio_rw_vect_retry+0x0/0x171
 [<ffffffff802a4727>] aio_run_iocb+0x5d/0xe3
 [<ffffffff802a571b>] io_submit_one+0x333/0x379
 [<ffffffff802a5812>] sys_io_submit+0xb1/0xfe
 [<ffffffff8020b61e>] system_call+0x7e/0x83

BUG: spinlock lockup on CPU#7, ksoftirqd/7/25, ffff81010bdef018

Call Trace:
 <IRQ>  [<ffffffff80319aee>] _raw_spin_lock+0xcc/0xf3
 [<ffffffff88007092>] :scsi_mod:scsi_device_unbusy+0x66/0x80
 [<ffffffff88002979>] :scsi_mod:scsi_finish_command+0x16/0xbf
 [<ffffffff8800800d>] :scsi_mod:scsi_softirq_done+0xdd/0xe4
 [<ffffffff8031306e>] kobject_release+0x0/0x9
 [<ffffffff8031306e>] kobject_release+0x0/0x9
 [<ffffffff80308a2b>] blk_done_softirq+0x63/0x71
 [<ffffffff8023aa61>] __do_softirq+0x50/0xbb
 [<ffffffff8020c7ac>] call_softirq+0x1c/0x28
 <EOI>  [<ffffffff8023ae66>] ksoftirqd+0x0/0x9b
 [<ffffffff8020ddb8>] do_softirq+0x2e/0x96
 [<ffffffff8023ae66>] ksoftirqd+0x0/0x9b
 [<ffffffff8023aeab>] ksoftirqd+0x45/0x9b
 [<ffffffff802486dc>] kthread+0x3d/0x63
 [<ffffffff8020c438>] child_rip+0xa/0x12
 [<ffffffff8024869f>] kthread+0x0/0x63
 [<ffffffff8020c42e>] child_rip+0x0/0x12

BUG: spinlock lockup on CPU#1, ksoftirqd/1/7, ffff81010bdef018

Call Trace:
BUG: spinlock lockup on CPU#3, oracle/22971, ffff81010bdef018

Call Trace:
 [<ffffffff80319aee>] _raw_spin_lock+0xcc/0xf3
 [<ffffffff80307d64>] __make_request+0x65/0x574
 [<ffffffff80267faf>] mempool_alloc+0x41/0xf9
 [<ffffffff803084a6>] generic_make_request+0x1d1/0x206
 [<ffffffff802af538>] bio_alloc_bioset+0xcd/0x136
 [<ffffffff803085af>] submit_bio+0xd4/0xdf
 [<ffffffff802b1b4f>] dio_bio_submit+0x52/0x66
 [<ffffffff802b2873>] __blockdev_direct_IO+0x827/0xa34
 [<ffffffff802b0746>] blkdev_direct_IO+0x45/0x4a
 [<ffffffff802b0681>] blkdev_get_blocks+0x0/0x80
 [<ffffffff802674c2>] generic_file_direct_IO+0xd0/0x103
 [<ffffffff80267bb6>] generic_file_aio_read+0x86/0x160
 [<ffffffff802a3fe9>] __aio_get_req+0x1f/0x141
 [<ffffffff80267b30>] generic_file_aio_read+0x0/0x160
 [<ffffffff802a51c7>] aio_rw_vect_retry+0x75/0x171
 [<ffffffff802a5152>] aio_rw_vect_retry+0x0/0x171
 [<ffffffff802a4727>] aio_run_iocb+0x5d/0xe3
 [<ffffffff802a571b>] io_submit_one+0x333/0x379
 [<ffffffff802a5812>] sys_io_submit+0xb1/0xfe
 [<ffffffff8020b61e>] system_call+0x7e/0x83

 <IRQ>  [<ffffffff80319aee>] _raw_spin_lock+0xcc/0xf3
 [<ffffffff88007092>] :scsi_mod:scsi_device_unbusy+0x66/0x80
 [<ffffffff88002979>] :scsi_mod:scsi_finish_command+0x16/0xbf
 [<ffffffff8800800d>] :scsi_mod:scsi_softirq_done+0xdd/0xe4
 [<ffffffff8031306e>] kobject_release+0x0/0x9
 [<ffffffff8031306e>] kobject_release+0x0/0x9
 [<ffffffff80308a2b>] blk_done_softirq+0x63/0x71
 [<ffffffff8023aa61>] __do_softirq+0x50/0xbb
 [<ffffffff8020c7ac>] call_softirq+0x1c/0x28
 <EOI>  [<ffffffff8023ae66>] ksoftirqd+0x0/0x9b
 [<ffffffff8020ddb8>] do_softirq+0x2e/0x96
 [<ffffffff8023ae66>] ksoftirqd+0x0/0x9b
 [<ffffffff8023aeab>] ksoftirqd+0x45/0x9b
 [<ffffffff802486dc>] kthread+0x3d/0x63
 [<ffffffff8020c438>] child_rip+0xa/0x12
 [<ffffffff8024869f>] kthread+0x0/0x63
 [<ffffffff8020c42e>] child_rip+0x0/0x12

BUG: spinlock lockup on CPU#6, oracle/22645, ffff81010bdef018

Call Trace:
 [<ffffffff80319aee>] _raw_spin_lock+0xcc/0xf3
 [<ffffffff80307d64>] __make_request+0x65/0x574
 [<ffffffff80267faf>] mempool_alloc+0x41/0xf9
 [<ffffffff803084a6>] generic_make_request+0x1d1/0x206
 [<ffffffff802af538>] bio_alloc_bioset+0xcd/0x136
 [<ffffffff803085af>] submit_bio+0xd4/0xdf
 [<ffffffff802b1b4f>] dio_bio_submit+0x52/0x66
 [<ffffffff802b2873>] __blockdev_direct_IO+0x827/0xa34
 [<ffffffff802b0746>] blkdev_direct_IO+0x45/0x4a
 [<ffffffff802b0681>] blkdev_get_blocks+0x0/0x80
 [<ffffffff802674c2>] generic_file_direct_IO+0xd0/0x103
 [<ffffffff80267bb6>] generic_file_aio_read+0x86/0x160
 [<ffffffff802a3fe9>] __aio_get_req+0x1f/0x141
 [<ffffffff80267b30>] generic_file_aio_read+0x0/0x160
 [<ffffffff802a51c7>] aio_rw_vect_retry+0x75/0x171
BUG: spinlock lockup on CPU#4, oracle/22730, ffff81010bdef018

Call Trace:
 [<ffffffff80319aee>] _raw_spin_lock+0xcc/0xf3
 [<ffffffff80307d64>] __make_request+0x65/0x574
 [<ffffffff80267faf>] mempool_alloc+0x41/0xf9
 [<ffffffff803084a6>] generic_make_request+0x1d1/0x206
 [<ffffffff802af538>] bio_alloc_bioset+0xcd/0x136
 [<ffffffff803085af>] submit_bio+0xd4/0xdf
 [<ffffffff802b1b4f>] dio_bio_submit+0x52/0x66
 [<ffffffff802b2873>] __blockdev_direct_IO+0x827/0xa34
 [<ffffffff802b0746>] blkdev_direct_IO+0x45/0x4a
 [<ffffffff802b0681>] blkdev_get_blocks+0x0/0x80
 [<ffffffff802674c2>] generic_file_direct_IO+0xd0/0x103
 [<ffffffff80267bb6>] generic_file_aio_read+0x86/0x160
 [<ffffffff802a3fe9>] __aio_get_req+0x1f/0x141
 [<ffffffff80267b30>] generic_file_aio_read+0x0/0x160
 [<ffffffff802a51c7>] aio_rw_vect_retry+0x75/0x171
 [<ffffffff802a5152>] aio_rw_vect_retry+0x0/0x171
 [<ffffffff802a4727>] aio_run_iocb+0x5d/0xe3
 [<ffffffff802a571b>] io_submit_one+0x333/0x379
 [<ffffffff802a5812>] sys_io_submit+0xb1/0xfe
 [<ffffffff8020b61e>] system_call+0x7e/0x83

 [<ffffffff802a5152>] aio_rw_vect_retry+0x0/0x171
 [<ffffffff802a4727>] aio_run_iocb+0x5d/0xe3
 [<ffffffff802a571b>] io_submit_one+0x333/0x379
 [<ffffffff802a5812>] sys_io_submit+0xb1/0xfe
 [<ffffffff8020b61e>] system_call+0x7e/0x83

-- 
Intel are signing my paycheques ... these opinions are still mine
"Bill, look, we understand that you're interested in selling us this
operating system, but compare it to ours.  We can't possibly take such
a retrograde step."

--
To unsubscribe, send a message with 'unsubscribe linux-mm' in
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Re: SLUB: Increasing partial pages

[Christoph Lameter]

On Fri, 18 Jan 2008, Matthew Wilcox wrote:

> I've found one backtrace which seems to be relevant.  I believe this is
> due to 8/10.

Looks like NULL pointer dereferences. Rest may just be the consequence 
of the oops. Not enough information though to figure out exactly what 
is going on and the current code in mm may be different. Sigh. I did a lot 
of testing over the weekend and did not encounter any problems. Some 
config differences may have cause it?

I have extracted the current slub stuff from mm, rediffed it against 
upstream and put it on git.kernel.org

do a

git pull git://git.kernel.org/pub/scm/linux/kernel/git/christoph/vm.git performance

to get the changes.

(more on the tests I did will come as a response to the other email from 
you).

Config in use here:

#
# Automatically generated make config: don't edit
# Linux kernel version: 2.6.24-rc8
# Sun Jan 20 23:03:25 2008
#
CONFIG_64BIT=y
# CONFIG_X86_32 is not set
CONFIG_X86_64=y
CONFIG_X86=y
CONFIG_GENERIC_TIME=y
CONFIG_GENERIC_CMOS_UPDATE=y
CONFIG_CLOCKSOURCE_WATCHDOG=y
CONFIG_GENERIC_CLOCKEVENTS=y
CONFIG_GENERIC_CLOCKEVENTS_BROADCAST=y
CONFIG_LOCKDEP_SUPPORT=y
CONFIG_STACKTRACE_SUPPORT=y
CONFIG_SEMAPHORE_SLEEPERS=y
CONFIG_MMU=y
CONFIG_ZONE_DMA=y
# CONFIG_QUICKLIST is not set
CONFIG_GENERIC_ISA_DMA=y
CONFIG_GENERIC_IOMAP=y
CONFIG_GENERIC_BUG=y
CONFIG_GENERIC_HWEIGHT=y
CONFIG_ARCH_MAY_HAVE_PC_FDC=y
CONFIG_DMI=y
CONFIG_RWSEM_GENERIC_SPINLOCK=y
# CONFIG_RWSEM_XCHGADD_ALGORITHM is not set
# CONFIG_ARCH_HAS_ILOG2_U32 is not set
# CONFIG_ARCH_HAS_ILOG2_U64 is not set
CONFIG_GENERIC_CALIBRATE_DELAY=y
CONFIG_GENERIC_TIME_VSYSCALL=y
CONFIG_ARCH_SUPPORTS_OPROFILE=y
CONFIG_ZONE_DMA32=y
CONFIG_ARCH_POPULATES_NODE_MAP=y
CONFIG_AUDIT_ARCH=y
CONFIG_GENERIC_HARDIRQS=y
CONFIG_GENERIC_IRQ_PROBE=y
CONFIG_GENERIC_PENDING_IRQ=y
CONFIG_X86_HT=y
# CONFIG_KTIME_SCALAR is not set
CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config"

#
# General setup
#
CONFIG_EXPERIMENTAL=y
CONFIG_LOCK_KERNEL=y
CONFIG_INIT_ENV_ARG_LIMIT=32
CONFIG_LOCALVERSION="x86_64-default"
CONFIG_LOCALVERSION_AUTO=y
CONFIG_SWAP=y
CONFIG_SYSVIPC=y
CONFIG_SYSVIPC_SYSCTL=y
CONFIG_POSIX_MQUEUE=y
# CONFIG_BSD_PROCESS_ACCT is not set
# CONFIG_TASKSTATS is not set
# CONFIG_USER_NS is not set
# CONFIG_PID_NS is not set
# CONFIG_AUDIT is not set
CONFIG_IKCONFIG=y
CONFIG_IKCONFIG_PROC=y
CONFIG_LOG_BUF_SHIFT=18
# CONFIG_CGROUPS is not set
CONFIG_FAIR_GROUP_SCHED=y
CONFIG_FAIR_USER_SCHED=y
# CONFIG_FAIR_CGROUP_SCHED is not set
CONFIG_SYSFS_DEPRECATED=y
CONFIG_RELAY=y
CONFIG_BLK_DEV_INITRD=y
CONFIG_INITRAMFS_SOURCE=""
CONFIG_CC_OPTIMIZE_FOR_SIZE=y
CONFIG_SYSCTL=y
CONFIG_EMBEDDED=y
CONFIG_UID16=y
CONFIG_SYSCTL_SYSCALL=y
CONFIG_KALLSYMS=y
# CONFIG_KALLSYMS_ALL is not set
# CONFIG_KALLSYMS_EXTRA_PASS is not set
CONFIG_HOTPLUG=y
CONFIG_PRINTK=y
CONFIG_BUG=y
CONFIG_ELF_CORE=y
CONFIG_BASE_FULL=y
CONFIG_FUTEX=y
CONFIG_ANON_INODES=y
CONFIG_EPOLL=y
CONFIG_SIGNALFD=y
CONFIG_EVENTFD=y
CONFIG_SHMEM=y
CONFIG_VM_EVENT_COUNTERS=y
CONFIG_SLUB_DEBUG=y
# CONFIG_SLAB is not set
CONFIG_SLUB=y
# CONFIG_SLOB is not set
CONFIG_SLABINFO=y
CONFIG_RT_MUTEXES=y
# CONFIG_TINY_SHMEM is not set
CONFIG_BASE_SMALL=0
CONFIG_MODULES=y
CONFIG_MODULE_UNLOAD=y
CONFIG_MODULE_FORCE_UNLOAD=y
# CONFIG_MODVERSIONS is not set
# CONFIG_MODULE_SRCVERSION_ALL is not set
# CONFIG_KMOD is not set
CONFIG_STOP_MACHINE=y
CONFIG_BLOCK=y
# CONFIG_BLK_DEV_IO_TRACE is not set
# CONFIG_BLK_DEV_BSG is not set
CONFIG_BLOCK_COMPAT=y

#
# IO Schedulers
#
CONFIG_IOSCHED_NOOP=y
# CONFIG_IOSCHED_AS is not set
CONFIG_IOSCHED_DEADLINE=y
CONFIG_IOSCHED_CFQ=y
# CONFIG_DEFAULT_AS is not set
# CONFIG_DEFAULT_DEADLINE is not set
CONFIG_DEFAULT_CFQ=y
# CONFIG_DEFAULT_NOOP is not set
CONFIG_DEFAULT_IOSCHED="cfq"

#
# Processor type and features
#
# CONFIG_TICK_ONESHOT is not set
# CONFIG_NO_HZ is not set
# CONFIG_HIGH_RES_TIMERS is not set
CONFIG_GENERIC_CLOCKEVENTS_BUILD=y
CONFIG_SMP=y
CONFIG_X86_PC=y
# CONFIG_X86_ELAN is not set
# CONFIG_X86_VOYAGER is not set
# CONFIG_X86_NUMAQ is not set
# CONFIG_X86_SUMMIT is not set
# CONFIG_X86_BIGSMP is not set
# CONFIG_X86_VISWS is not set
# CONFIG_X86_GENERICARCH is not set
# CONFIG_X86_ES7000 is not set
# CONFIG_X86_VSMP is not set
# CONFIG_M386 is not set
# CONFIG_M486 is not set
# CONFIG_M586 is not set
# CONFIG_M586TSC is not set
# CONFIG_M586MMX is not set
# CONFIG_M686 is not set
# CONFIG_MPENTIUMII is not set
# CONFIG_MPENTIUMIII is not set
# CONFIG_MPENTIUMM is not set
# CONFIG_MPENTIUM4 is not set
# CONFIG_MK6 is not set
# CONFIG_MK7 is not set
# CONFIG_MK8 is not set
# CONFIG_MCRUSOE is not set
# CONFIG_MEFFICEON is not set
# CONFIG_MWINCHIPC6 is not set
# CONFIG_MWINCHIP2 is not set
# CONFIG_MWINCHIP3D is not set
# CONFIG_MGEODEGX1 is not set
# CONFIG_MGEODE_LX is not set
# CONFIG_MCYRIXIII is not set
# CONFIG_MVIAC3_2 is not set
# CONFIG_MVIAC7 is not set
# CONFIG_MPSC is not set
# CONFIG_MCORE2 is not set
CONFIG_GENERIC_CPU=y
CONFIG_X86_L1_CACHE_BYTES=128
CONFIG_X86_INTERNODE_CACHE_BYTES=128
CONFIG_X86_CMPXCHG=y
CONFIG_X86_L1_CACHE_SHIFT=7
CONFIG_X86_GOOD_APIC=y
CONFIG_X86_TSC=y
CONFIG_X86_MINIMUM_CPU_FAMILY=64
CONFIG_HPET_TIMER=y
CONFIG_HPET_EMULATE_RTC=y
CONFIG_GART_IOMMU=y
# CONFIG_CALGARY_IOMMU is not set
CONFIG_SWIOTLB=y
CONFIG_NR_CPUS=8
CONFIG_SCHED_SMT=y
CONFIG_SCHED_MC=y
# CONFIG_PREEMPT_NONE is not set
CONFIG_PREEMPT_VOLUNTARY=y
# CONFIG_PREEMPT is not set
CONFIG_PREEMPT_BKL=y
CONFIG_X86_LOCAL_APIC=y
CONFIG_X86_IO_APIC=y
CONFIG_X86_MCE=y
CONFIG_X86_MCE_INTEL=y
CONFIG_X86_MCE_AMD=y
# CONFIG_MICROCODE is not set
CONFIG_X86_MSR=y
CONFIG_X86_CPUID=y
# CONFIG_NUMA is not set
CONFIG_ARCH_FLATMEM_ENABLE=y
CONFIG_ARCH_SPARSEMEM_ENABLE=y
CONFIG_SELECT_MEMORY_MODEL=y
# CONFIG_FLATMEM_MANUAL is not set
# CONFIG_DISCONTIGMEM_MANUAL is not set
CONFIG_SPARSEMEM_MANUAL=y
CONFIG_SPARSEMEM=y
CONFIG_HAVE_MEMORY_PRESENT=y
# CONFIG_SPARSEMEM_STATIC is not set
CONFIG_SPARSEMEM_EXTREME=y
CONFIG_SPARSEMEM_VMEMMAP_ENABLE=y
CONFIG_SPARSEMEM_VMEMMAP=y

#
# Memory hotplug is currently incompatible with Software Suspend
#
CONFIG_SPLIT_PTLOCK_CPUS=4
CONFIG_RESOURCES_64BIT=y
CONFIG_ZONE_DMA_FLAG=1
CONFIG_BOUNCE=y
CONFIG_VIRT_TO_BUS=y
CONFIG_MTRR=y
CONFIG_SECCOMP=y
# CONFIG_CC_STACKPROTECTOR is not set
# CONFIG_HZ_100 is not set
CONFIG_HZ_250=y
# CONFIG_HZ_300 is not set
# CONFIG_HZ_1000 is not set
CONFIG_HZ=250
# CONFIG_KEXEC is not set
# CONFIG_CRASH_DUMP is not set
CONFIG_PHYSICAL_START=0x200000
# CONFIG_RELOCATABLE is not set
CONFIG_PHYSICAL_ALIGN=0x200000
CONFIG_HOTPLUG_CPU=y
CONFIG_ARCH_ENABLE_MEMORY_HOTPLUG=y

#
# Power management options
#
CONFIG_ARCH_HIBERNATION_HEADER=y
CONFIG_PM=y
# CONFIG_PM_LEGACY is not set
# CONFIG_PM_DEBUG is not set
CONFIG_PM_SLEEP_SMP=y
CONFIG_PM_SLEEP=y
CONFIG_SUSPEND_SMP_POSSIBLE=y
CONFIG_SUSPEND=y
CONFIG_HIBERNATION_SMP_POSSIBLE=y
CONFIG_HIBERNATION=y
CONFIG_PM_STD_PARTITION=""
CONFIG_ACPI=y
CONFIG_ACPI_SLEEP=y
CONFIG_ACPI_PROCFS=y
CONFIG_ACPI_PROCFS_POWER=y
CONFIG_ACPI_SYSFS_POWER=y
CONFIG_ACPI_PROC_EVENT=y
CONFIG_ACPI_AC=y
CONFIG_ACPI_BATTERY=y
CONFIG_ACPI_BUTTON=y
CONFIG_ACPI_FAN=y
# CONFIG_ACPI_DOCK is not set
CONFIG_ACPI_PROCESSOR=y
CONFIG_ACPI_HOTPLUG_CPU=y
CONFIG_ACPI_THERMAL=y
# CONFIG_ACPI_ASUS is not set
# CONFIG_ACPI_TOSHIBA is not set
CONFIG_ACPI_BLACKLIST_YEAR=0
# CONFIG_ACPI_DEBUG is not set
CONFIG_ACPI_EC=y
CONFIG_ACPI_POWER=y
CONFIG_ACPI_SYSTEM=y
CONFIG_X86_PM_TIMER=y
CONFIG_ACPI_CONTAINER=y
# CONFIG_ACPI_SBS is not set

#
# CPU Frequency scaling
#
CONFIG_CPU_FREQ=y
CONFIG_CPU_FREQ_TABLE=y
CONFIG_CPU_FREQ_DEBUG=y
CONFIG_CPU_FREQ_STAT=y
# CONFIG_CPU_FREQ_STAT_DETAILS is not set
CONFIG_CPU_FREQ_DEFAULT_GOV_PERFORMANCE=y
# CONFIG_CPU_FREQ_DEFAULT_GOV_USERSPACE is not set
# CONFIG_CPU_FREQ_DEFAULT_GOV_ONDEMAND is not set
# CONFIG_CPU_FREQ_DEFAULT_GOV_CONSERVATIVE is not set
CONFIG_CPU_FREQ_GOV_PERFORMANCE=y
# CONFIG_CPU_FREQ_GOV_POWERSAVE is not set
CONFIG_CPU_FREQ_GOV_USERSPACE=y
CONFIG_CPU_FREQ_GOV_ONDEMAND=y
CONFIG_CPU_FREQ_GOV_CONSERVATIVE=y

#
# CPUFreq processor drivers
#
CONFIG_X86_ACPI_CPUFREQ=y
CONFIG_X86_POWERNOW_K8=y
CONFIG_X86_POWERNOW_K8_ACPI=y
# CONFIG_X86_SPEEDSTEP_CENTRINO is not set
# CONFIG_X86_P4_CLOCKMOD is not set

#
# shared options
#
CONFIG_X86_ACPI_CPUFREQ_PROC_INTF=y
# CONFIG_X86_SPEEDSTEP_LIB is not set
CONFIG_CPU_IDLE=y
CONFIG_CPU_IDLE_GOV_LADDER=y

#
# Bus options (PCI etc.)
#
CONFIG_PCI=y
CONFIG_PCI_DIRECT=y
CONFIG_PCI_MMCONFIG=y
CONFIG_PCI_DOMAINS=y
# CONFIG_DMAR is not set
CONFIG_PCIEPORTBUS=y
CONFIG_PCIEAER=y
CONFIG_ARCH_SUPPORTS_MSI=y
CONFIG_PCI_MSI=y
CONFIG_PCI_LEGACY=y
# CONFIG_PCI_DEBUG is not set
# CONFIG_HT_IRQ is not set
CONFIG_ISA_DMA_API=y
CONFIG_K8_NB=y
# CONFIG_PCCARD is not set
# CONFIG_HOTPLUG_PCI is not set

#
# Executable file formats / Emulations
#
CONFIG_BINFMT_ELF=y
# CONFIG_BINFMT_MISC is not set
CONFIG_IA32_EMULATION=y
CONFIG_IA32_AOUT=y
CONFIG_COMPAT=y
CONFIG_COMPAT_FOR_U64_ALIGNMENT=y
CONFIG_SYSVIPC_COMPAT=y

#
# Networking
#
CONFIG_NET=y

#
# Networking options
#
CONFIG_PACKET=y
# CONFIG_PACKET_MMAP is not set
CONFIG_UNIX=y
# CONFIG_NET_KEY is not set
CONFIG_INET=y
CONFIG_IP_MULTICAST=y
# CONFIG_IP_ADVANCED_ROUTER is not set
CONFIG_IP_FIB_HASH=y
CONFIG_IP_PNP=y
CONFIG_IP_PNP_DHCP=y
# CONFIG_IP_PNP_BOOTP is not set
# CONFIG_IP_PNP_RARP is not set
# CONFIG_NET_IPIP is not set
# CONFIG_NET_IPGRE is not set
# CONFIG_IP_MROUTE is not set
# CONFIG_ARPD is not set
# CONFIG_SYN_COOKIES is not set
# CONFIG_INET_AH is not set
# CONFIG_INET_ESP is not set
# CONFIG_INET_IPCOMP is not set
# CONFIG_INET_XFRM_TUNNEL is not set
CONFIG_INET_TUNNEL=y
# CONFIG_INET_XFRM_MODE_TRANSPORT is not set
# CONFIG_INET_XFRM_MODE_TUNNEL is not set
# CONFIG_INET_XFRM_MODE_BEET is not set
# CONFIG_INET_LRO is not set
CONFIG_INET_DIAG=y
CONFIG_INET_TCP_DIAG=y
# CONFIG_TCP_CONG_ADVANCED is not set
CONFIG_TCP_CONG_CUBIC=y
CONFIG_DEFAULT_TCP_CONG="cubic"
# CONFIG_TCP_MD5SIG is not set
CONFIG_IPV6=y
# CONFIG_IPV6_PRIVACY is not set
# CONFIG_IPV6_ROUTER_PREF is not set
# CONFIG_IPV6_OPTIMISTIC_DAD is not set
# CONFIG_INET6_AH is not set
# CONFIG_INET6_ESP is not set
# CONFIG_INET6_IPCOMP is not set
# CONFIG_IPV6_MIP6 is not set
# CONFIG_INET6_XFRM_TUNNEL is not set
# CONFIG_INET6_TUNNEL is not set
# CONFIG_INET6_XFRM_MODE_TRANSPORT is not set
# CONFIG_INET6_XFRM_MODE_TUNNEL is not set
# CONFIG_INET6_XFRM_MODE_BEET is not set
# CONFIG_INET6_XFRM_MODE_ROUTEOPTIMIZATION is not set
CONFIG_IPV6_SIT=y
# CONFIG_IPV6_TUNNEL is not set
# CONFIG_IPV6_MULTIPLE_TABLES is not set
# CONFIG_NETWORK_SECMARK is not set
# CONFIG_NETFILTER is not set
# CONFIG_IP_DCCP is not set
# CONFIG_IP_SCTP is not set
# CONFIG_TIPC is not set
# CONFIG_ATM is not set
# CONFIG_BRIDGE is not set
# CONFIG_VLAN_8021Q is not set
# CONFIG_DECNET is not set
# CONFIG_LLC2 is not set
# CONFIG_IPX is not set
# CONFIG_ATALK is not set
# CONFIG_X25 is not set
# CONFIG_LAPB is not set
# CONFIG_ECONET is not set
# CONFIG_WAN_ROUTER is not set
# CONFIG_NET_SCHED is not set

#
# Network testing
#
# CONFIG_NET_PKTGEN is not set
# CONFIG_NET_TCPPROBE is not set
# CONFIG_HAMRADIO is not set
# CONFIG_IRDA is not set
# CONFIG_BT is not set
# CONFIG_AF_RXRPC is not set

#
# Wireless
#
# CONFIG_CFG80211 is not set
# CONFIG_WIRELESS_EXT is not set
# CONFIG_MAC80211 is not set
# CONFIG_IEEE80211 is not set
# CONFIG_RFKILL is not set
# CONFIG_NET_9P is not set

#
# Device Drivers
#

#
# Generic Driver Options
#
CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
CONFIG_STANDALONE=y
CONFIG_PREVENT_FIRMWARE_BUILD=y
CONFIG_FW_LOADER=y
# CONFIG_DEBUG_DRIVER is not set
# CONFIG_DEBUG_DEVRES is not set
# CONFIG_SYS_HYPERVISOR is not set
# CONFIG_CONNECTOR is not set
# CONFIG_MTD is not set
# CONFIG_PARPORT is not set
CONFIG_PNP=y
# CONFIG_PNP_DEBUG is not set

#
# Protocols
#
CONFIG_PNPACPI=y
CONFIG_BLK_DEV=y
CONFIG_BLK_DEV_FD=y
# CONFIG_BLK_CPQ_DA is not set
# CONFIG_BLK_CPQ_CISS_DA is not set
# CONFIG_BLK_DEV_DAC960 is not set
# CONFIG_BLK_DEV_UMEM is not set
# CONFIG_BLK_DEV_COW_COMMON is not set
CONFIG_BLK_DEV_LOOP=y
# CONFIG_BLK_DEV_CRYPTOLOOP is not set
# CONFIG_BLK_DEV_NBD is not set
# CONFIG_BLK_DEV_SX8 is not set
# CONFIG_BLK_DEV_UB is not set
CONFIG_BLK_DEV_RAM=y
CONFIG_BLK_DEV_RAM_COUNT=16
CONFIG_BLK_DEV_RAM_SIZE=4096
CONFIG_BLK_DEV_RAM_BLOCKSIZE=1024
# CONFIG_CDROM_PKTCDVD is not set
# CONFIG_ATA_OVER_ETH is not set
CONFIG_MISC_DEVICES=y
# CONFIG_IBM_ASM is not set
# CONFIG_PHANTOM is not set
# CONFIG_EEPROM_93CX6 is not set
# CONFIG_SGI_IOC4 is not set
# CONFIG_TIFM_CORE is not set
# CONFIG_SONY_LAPTOP is not set
# CONFIG_THINKPAD_ACPI is not set
CONFIG_IDE=y
CONFIG_IDE_MAX_HWIFS=4
CONFIG_BLK_DEV_IDE=y

#
# Please see Documentation/ide.txt for help/info on IDE drives
#
# CONFIG_BLK_DEV_IDE_SATA is not set
# CONFIG_BLK_DEV_HD_IDE is not set
CONFIG_BLK_DEV_IDEDISK=y
CONFIG_IDEDISK_MULTI_MODE=y
CONFIG_BLK_DEV_IDECD=y
# CONFIG_BLK_DEV_IDETAPE is not set
# CONFIG_BLK_DEV_IDEFLOPPY is not set
# CONFIG_BLK_DEV_IDESCSI is not set
CONFIG_BLK_DEV_IDEACPI=y
# CONFIG_IDE_TASK_IOCTL is not set
CONFIG_IDE_PROC_FS=y

#
# IDE chipset support/bugfixes
#
CONFIG_IDE_GENERIC=y
# CONFIG_BLK_DEV_PLATFORM is not set
# CONFIG_BLK_DEV_CMD640 is not set
# CONFIG_BLK_DEV_IDEPNP is not set

#
# PCI IDE chipsets support
#
CONFIG_BLK_DEV_IDEPCI=y
# CONFIG_IDEPCI_SHARE_IRQ is not set
CONFIG_IDEPCI_PCIBUS_ORDER=y
# CONFIG_BLK_DEV_OFFBOARD is not set
# CONFIG_BLK_DEV_GENERIC is not set
# CONFIG_BLK_DEV_OPTI621 is not set
# CONFIG_BLK_DEV_RZ1000 is not set
CONFIG_BLK_DEV_IDEDMA_PCI=y
# CONFIG_BLK_DEV_AEC62XX is not set
# CONFIG_BLK_DEV_ALI15X3 is not set
CONFIG_BLK_DEV_AMD74XX=y
CONFIG_BLK_DEV_ATIIXP=y
# CONFIG_BLK_DEV_CMD64X is not set
# CONFIG_BLK_DEV_TRIFLEX is not set
# CONFIG_BLK_DEV_CY82C693 is not set
# CONFIG_BLK_DEV_CS5520 is not set
# CONFIG_BLK_DEV_CS5530 is not set
# CONFIG_BLK_DEV_HPT34X is not set
# CONFIG_BLK_DEV_HPT366 is not set
# CONFIG_BLK_DEV_JMICRON is not set
# CONFIG_BLK_DEV_SC1200 is not set
CONFIG_BLK_DEV_PIIX=y
# CONFIG_BLK_DEV_IT8213 is not set
# CONFIG_BLK_DEV_IT821X is not set
# CONFIG_BLK_DEV_NS87415 is not set
# CONFIG_BLK_DEV_PDC202XX_OLD is not set
CONFIG_BLK_DEV_PDC202XX_NEW=y
# CONFIG_BLK_DEV_SVWKS is not set
# CONFIG_BLK_DEV_SIIMAGE is not set
# CONFIG_BLK_DEV_SIS5513 is not set
# CONFIG_BLK_DEV_SLC90E66 is not set
# CONFIG_BLK_DEV_TRM290 is not set
# CONFIG_BLK_DEV_VIA82CXXX is not set
# CONFIG_BLK_DEV_TC86C001 is not set
# CONFIG_IDE_ARM is not set
CONFIG_BLK_DEV_IDEDMA=y
CONFIG_IDE_ARCH_OBSOLETE_INIT=y
# CONFIG_BLK_DEV_HD is not set

#
# SCSI device support
#
# CONFIG_RAID_ATTRS is not set
CONFIG_SCSI=y
CONFIG_SCSI_DMA=y
# CONFIG_SCSI_TGT is not set
CONFIG_SCSI_NETLINK=y
# CONFIG_SCSI_PROC_FS is not set

#
# SCSI support type (disk, tape, CD-ROM)
#
CONFIG_BLK_DEV_SD=y
# CONFIG_CHR_DEV_ST is not set
# CONFIG_CHR_DEV_OSST is not set
CONFIG_BLK_DEV_SR=y
# CONFIG_BLK_DEV_SR_VENDOR is not set
CONFIG_CHR_DEV_SG=y
# CONFIG_CHR_DEV_SCH is not set

#
# Some SCSI devices (e.g. CD jukebox) support multiple LUNs
#
# CONFIG_SCSI_MULTI_LUN is not set
CONFIG_SCSI_CONSTANTS=y
# CONFIG_SCSI_LOGGING is not set
# CONFIG_SCSI_SCAN_ASYNC is not set
CONFIG_SCSI_WAIT_SCAN=m

#
# SCSI Transports
#
CONFIG_SCSI_SPI_ATTRS=y
CONFIG_SCSI_FC_ATTRS=y
# CONFIG_SCSI_ISCSI_ATTRS is not set
# CONFIG_SCSI_SAS_LIBSAS is not set
# CONFIG_SCSI_SRP_ATTRS is not set
CONFIG_SCSI_LOWLEVEL=y
# CONFIG_ISCSI_TCP is not set
# CONFIG_BLK_DEV_3W_XXXX_RAID is not set
# CONFIG_SCSI_3W_9XXX is not set
# CONFIG_SCSI_ACARD is not set
# CONFIG_SCSI_AACRAID is not set
# CONFIG_SCSI_AIC7XXX is not set
# CONFIG_SCSI_AIC7XXX_OLD is not set
CONFIG_SCSI_AIC79XX=y
CONFIG_AIC79XX_CMDS_PER_DEVICE=32
CONFIG_AIC79XX_RESET_DELAY_MS=4000
# CONFIG_AIC79XX_DEBUG_ENABLE is not set
CONFIG_AIC79XX_DEBUG_MASK=0
# CONFIG_AIC79XX_REG_PRETTY_PRINT is not set
# CONFIG_SCSI_AIC94XX is not set
# CONFIG_SCSI_ADVANSYS is not set
# CONFIG_SCSI_ARCMSR is not set
# CONFIG_MEGARAID_NEWGEN is not set
# CONFIG_MEGARAID_LEGACY is not set
# CONFIG_MEGARAID_SAS is not set
# CONFIG_SCSI_HPTIOP is not set
# CONFIG_SCSI_BUSLOGIC is not set
# CONFIG_SCSI_DMX3191D is not set
# CONFIG_SCSI_EATA is not set
# CONFIG_SCSI_FUTURE_DOMAIN is not set
# CONFIG_SCSI_GDTH is not set
# CONFIG_SCSI_IPS is not set
# CONFIG_SCSI_INITIO is not set
# CONFIG_SCSI_INIA100 is not set
# CONFIG_SCSI_STEX is not set
# CONFIG_SCSI_SYM53C8XX_2 is not set
# CONFIG_SCSI_IPR is not set
# CONFIG_SCSI_QLOGIC_1280 is not set
# CONFIG_SCSI_QLA_FC is not set
# CONFIG_SCSI_QLA_ISCSI is not set
# CONFIG_SCSI_LPFC is not set
# CONFIG_SCSI_DC395x is not set
# CONFIG_SCSI_DC390T is not set
# CONFIG_SCSI_DEBUG is not set
# CONFIG_SCSI_SRP is not set
CONFIG_ATA=y
# CONFIG_ATA_NONSTANDARD is not set
CONFIG_ATA_ACPI=y
CONFIG_SATA_AHCI=y
CONFIG_SATA_SVW=y
CONFIG_ATA_PIIX=y
# CONFIG_SATA_MV is not set
CONFIG_SATA_NV=y
# CONFIG_PDC_ADMA is not set
# CONFIG_SATA_QSTOR is not set
# CONFIG_SATA_PROMISE is not set
# CONFIG_SATA_SX4 is not set
CONFIG_SATA_SIL=y
# CONFIG_SATA_SIL24 is not set
# CONFIG_SATA_SIS is not set
# CONFIG_SATA_ULI is not set
CONFIG_SATA_VIA=y
# CONFIG_SATA_VITESSE is not set
# CONFIG_SATA_INIC162X is not set
# CONFIG_PATA_ACPI is not set
# CONFIG_PATA_ALI is not set
# CONFIG_PATA_AMD is not set
# CONFIG_PATA_ARTOP is not set
# CONFIG_PATA_ATIIXP is not set
# CONFIG_PATA_CMD640_PCI is not set
# CONFIG_PATA_CMD64X is not set
# CONFIG_PATA_CS5520 is not set
# CONFIG_PATA_CS5530 is not set
# CONFIG_PATA_CYPRESS is not set
# CONFIG_PATA_EFAR is not set
# CONFIG_ATA_GENERIC is not set
# CONFIG_PATA_HPT366 is not set
# CONFIG_PATA_HPT37X is not set
# CONFIG_PATA_HPT3X2N is not set
# CONFIG_PATA_HPT3X3 is not set
# CONFIG_PATA_IT821X is not set
# CONFIG_PATA_IT8213 is not set
# CONFIG_PATA_JMICRON is not set
# CONFIG_PATA_TRIFLEX is not set
# CONFIG_PATA_MARVELL is not set
# CONFIG_PATA_MPIIX is not set
# CONFIG_PATA_OLDPIIX is not set
# CONFIG_PATA_NETCELL is not set
# CONFIG_PATA_NS87410 is not set
# CONFIG_PATA_NS87415 is not set
# CONFIG_PATA_OPTI is not set
# CONFIG_PATA_OPTIDMA is not set
# CONFIG_PATA_PDC_OLD is not set
# CONFIG_PATA_RADISYS is not set
# CONFIG_PATA_RZ1000 is not set
# CONFIG_PATA_SC1200 is not set
# CONFIG_PATA_SERVERWORKS is not set
# CONFIG_PATA_PDC2027X is not set
# CONFIG_PATA_SIL680 is not set
# CONFIG_PATA_SIS is not set
# CONFIG_PATA_VIA is not set
# CONFIG_PATA_WINBOND is not set
# CONFIG_PATA_PLATFORM is not set
CONFIG_MD=y
# CONFIG_BLK_DEV_MD is not set
CONFIG_BLK_DEV_DM=y
# CONFIG_DM_DEBUG is not set
# CONFIG_DM_CRYPT is not set
# CONFIG_DM_SNAPSHOT is not set
# CONFIG_DM_MIRROR is not set
# CONFIG_DM_ZERO is not set
# CONFIG_DM_MULTIPATH is not set
# CONFIG_DM_DELAY is not set
# CONFIG_DM_UEVENT is not set
CONFIG_FUSION=y
CONFIG_FUSION_SPI=y
# CONFIG_FUSION_FC is not set
# CONFIG_FUSION_SAS is not set
CONFIG_FUSION_MAX_SGE=128
# CONFIG_FUSION_CTL is not set
# CONFIG_FUSION_LOGGING is not set

#
# IEEE 1394 (FireWire) support
#
# CONFIG_FIREWIRE is not set
CONFIG_IEEE1394=y

#
# Subsystem Options
#
# CONFIG_IEEE1394_VERBOSEDEBUG is not set

#
# Controllers
#

#
# Texas Instruments PCILynx requires I2C
#
CONFIG_IEEE1394_OHCI1394=y

#
# Protocols
#
# CONFIG_IEEE1394_VIDEO1394 is not set
# CONFIG_IEEE1394_SBP2 is not set
# CONFIG_IEEE1394_ETH1394_ROM_ENTRY is not set
# CONFIG_IEEE1394_ETH1394 is not set
# CONFIG_IEEE1394_DV1394 is not set
CONFIG_IEEE1394_RAWIO=y
# CONFIG_I2O is not set
CONFIG_MACINTOSH_DRIVERS=y
# CONFIG_MAC_EMUMOUSEBTN is not set
CONFIG_NETDEVICES=y
CONFIG_NETDEVICES_MULTIQUEUE=y
# CONFIG_DUMMY is not set
# CONFIG_BONDING is not set
# CONFIG_MACVLAN is not set
# CONFIG_EQUALIZER is not set
CONFIG_TUN=y
# CONFIG_VETH is not set
# CONFIG_NET_SB1000 is not set
# CONFIG_ARCNET is not set
# CONFIG_PHYLIB is not set
CONFIG_NET_ETHERNET=y
CONFIG_MII=y
# CONFIG_HAPPYMEAL is not set
# CONFIG_SUNGEM is not set
# CONFIG_CASSINI is not set
CONFIG_NET_VENDOR_3COM=y
CONFIG_VORTEX=y
# CONFIG_TYPHOON is not set
CONFIG_NET_TULIP=y
# CONFIG_DE2104X is not set
CONFIG_TULIP=y
# CONFIG_TULIP_MWI is not set
# CONFIG_TULIP_MMIO is not set
# CONFIG_TULIP_NAPI is not set
# CONFIG_DE4X5 is not set
# CONFIG_WINBOND_840 is not set
# CONFIG_DM9102 is not set
# CONFIG_ULI526X is not set
# CONFIG_HP100 is not set
# CONFIG_IBM_NEW_EMAC_ZMII is not set
# CONFIG_IBM_NEW_EMAC_RGMII is not set
# CONFIG_IBM_NEW_EMAC_TAH is not set
# CONFIG_IBM_NEW_EMAC_EMAC4 is not set
CONFIG_NET_PCI=y
# CONFIG_PCNET32 is not set
CONFIG_AMD8111_ETH=y
# CONFIG_AMD8111E_NAPI is not set
# CONFIG_ADAPTEC_STARFIRE is not set
CONFIG_B44=y
CONFIG_B44_PCI_AUTOSELECT=y
CONFIG_B44_PCICORE_AUTOSELECT=y
CONFIG_B44_PCI=y
CONFIG_FORCEDETH=y
# CONFIG_FORCEDETH_NAPI is not set
# CONFIG_EEPRO100 is not set
CONFIG_E100=y
# CONFIG_FEALNX is not set
# CONFIG_NATSEMI is not set
# CONFIG_NE2K_PCI is not set
CONFIG_8139CP=y
CONFIG_8139TOO=y
# CONFIG_8139TOO_PIO is not set
# CONFIG_8139TOO_TUNE_TWISTER is not set
# CONFIG_8139TOO_8129 is not set
# CONFIG_8139_OLD_RX_RESET is not set
# CONFIG_SIS900 is not set
# CONFIG_EPIC100 is not set
# CONFIG_SUNDANCE is not set
# CONFIG_VIA_RHINE is not set
# CONFIG_SC92031 is not set
CONFIG_NETDEV_1000=y
# CONFIG_ACENIC is not set
# CONFIG_DL2K is not set
CONFIG_E1000=y
# CONFIG_E1000_NAPI is not set
# CONFIG_E1000_DISABLE_PACKET_SPLIT is not set
CONFIG_E1000E=y
# CONFIG_IP1000 is not set
# CONFIG_NS83820 is not set
# CONFIG_HAMACHI is not set
# CONFIG_YELLOWFIN is not set
# CONFIG_R8169 is not set
# CONFIG_SIS190 is not set
# CONFIG_SKGE is not set
# CONFIG_SKY2 is not set
# CONFIG_SK98LIN is not set
# CONFIG_VIA_VELOCITY is not set
CONFIG_TIGON3=y
CONFIG_BNX2=y
# CONFIG_QLA3XXX is not set
# CONFIG_ATL1 is not set
CONFIG_NETDEV_10000=y
# CONFIG_CHELSIO_T1 is not set
# CONFIG_CHELSIO_T3 is not set
# CONFIG_IXGBE is not set
# CONFIG_IXGB is not set
CONFIG_S2IO=m
# CONFIG_S2IO_NAPI is not set
# CONFIG_MYRI10GE is not set
# CONFIG_NETXEN_NIC is not set
# CONFIG_NIU is not set
# CONFIG_MLX4_CORE is not set
# CONFIG_TEHUTI is not set
# CONFIG_TR is not set

#
# Wireless LAN
#
# CONFIG_WLAN_PRE80211 is not set
# CONFIG_WLAN_80211 is not set

#
# USB Network Adapters
#
# CONFIG_USB_CATC is not set
# CONFIG_USB_KAWETH is not set
# CONFIG_USB_PEGASUS is not set
# CONFIG_USB_RTL8150 is not set
# CONFIG_USB_USBNET is not set
# CONFIG_WAN is not set
# CONFIG_FDDI is not set
# CONFIG_HIPPI is not set
# CONFIG_PPP is not set
# CONFIG_SLIP is not set
# CONFIG_NET_FC is not set
# CONFIG_SHAPER is not set
CONFIG_NETCONSOLE=y
# CONFIG_NETCONSOLE_DYNAMIC is not set
CONFIG_NETPOLL=y
# CONFIG_NETPOLL_TRAP is not set
CONFIG_NET_POLL_CONTROLLER=y
# CONFIG_ISDN is not set
# CONFIG_PHONE is not set

#
# Input device support
#
CONFIG_INPUT=y
# CONFIG_INPUT_FF_MEMLESS is not set
# CONFIG_INPUT_POLLDEV is not set

#
# Userland interfaces
#
CONFIG_INPUT_MOUSEDEV=y
CONFIG_INPUT_MOUSEDEV_PSAUX=y
CONFIG_INPUT_MOUSEDEV_SCREEN_X=1024
CONFIG_INPUT_MOUSEDEV_SCREEN_Y=768
# CONFIG_INPUT_JOYDEV is not set
CONFIG_INPUT_EVDEV=y
# CONFIG_INPUT_EVBUG is not set

#
# Input Device Drivers
#
CONFIG_INPUT_KEYBOARD=y
CONFIG_KEYBOARD_ATKBD=y
# CONFIG_KEYBOARD_SUNKBD is not set
# CONFIG_KEYBOARD_LKKBD is not set
# CONFIG_KEYBOARD_XTKBD is not set
# CONFIG_KEYBOARD_NEWTON is not set
# CONFIG_KEYBOARD_STOWAWAY is not set
CONFIG_INPUT_MOUSE=y
CONFIG_MOUSE_PS2=y
CONFIG_MOUSE_PS2_ALPS=y
CONFIG_MOUSE_PS2_LOGIPS2PP=y
CONFIG_MOUSE_PS2_SYNAPTICS=y
CONFIG_MOUSE_PS2_LIFEBOOK=y
CONFIG_MOUSE_PS2_TRACKPOINT=y
# CONFIG_MOUSE_PS2_TOUCHKIT is not set
# CONFIG_MOUSE_SERIAL is not set
# CONFIG_MOUSE_APPLETOUCH is not set
# CONFIG_MOUSE_VSXXXAA is not set
# CONFIG_INPUT_JOYSTICK is not set
# CONFIG_INPUT_TABLET is not set
# CONFIG_INPUT_TOUCHSCREEN is not set
# CONFIG_INPUT_MISC is not set

#
# Hardware I/O ports
#
CONFIG_SERIO=y
CONFIG_SERIO_I8042=y
# CONFIG_SERIO_SERPORT is not set
# CONFIG_SERIO_CT82C710 is not set
# CONFIG_SERIO_PCIPS2 is not set
CONFIG_SERIO_LIBPS2=y
# CONFIG_SERIO_RAW is not set
# CONFIG_GAMEPORT is not set

#
# Character devices
#
CONFIG_VT=y
CONFIG_VT_CONSOLE=y
CONFIG_HW_CONSOLE=y
# CONFIG_VT_HW_CONSOLE_BINDING is not set
# CONFIG_SERIAL_NONSTANDARD is not set

#
# Serial drivers
#
CONFIG_SERIAL_8250=y
CONFIG_SERIAL_8250_CONSOLE=y
CONFIG_FIX_EARLYCON_MEM=y
CONFIG_SERIAL_8250_PCI=y
CONFIG_SERIAL_8250_PNP=y
CONFIG_SERIAL_8250_NR_UARTS=4
CONFIG_SERIAL_8250_RUNTIME_UARTS=4
# CONFIG_SERIAL_8250_EXTENDED is not set

#
# Non-8250 serial port support
#
CONFIG_SERIAL_CORE=y
CONFIG_SERIAL_CORE_CONSOLE=y
# CONFIG_SERIAL_JSM is not set
CONFIG_UNIX98_PTYS=y
CONFIG_LEGACY_PTYS=y
CONFIG_LEGACY_PTY_COUNT=256
# CONFIG_IPMI_HANDLER is not set
CONFIG_HW_RANDOM=y
CONFIG_HW_RANDOM_INTEL=y
CONFIG_HW_RANDOM_AMD=y
# CONFIG_NVRAM is not set
CONFIG_RTC=y
# CONFIG_R3964 is not set
# CONFIG_APPLICOM is not set
# CONFIG_MWAVE is not set
# CONFIG_PC8736x_GPIO is not set
CONFIG_RAW_DRIVER=y
CONFIG_MAX_RAW_DEVS=256
CONFIG_HPET=y
# CONFIG_HPET_RTC_IRQ is not set
CONFIG_HPET_MMAP=y
# CONFIG_HANGCHECK_TIMER is not set
# CONFIG_TCG_TPM is not set
# CONFIG_TELCLOCK is not set
CONFIG_DEVPORT=y
# CONFIG_I2C is not set

#
# SPI support
#
# CONFIG_SPI is not set
# CONFIG_SPI_MASTER is not set
# CONFIG_W1 is not set
CONFIG_POWER_SUPPLY=y
# CONFIG_POWER_SUPPLY_DEBUG is not set
# CONFIG_PDA_POWER is not set
# CONFIG_BATTERY_DS2760 is not set
# CONFIG_HWMON is not set
# CONFIG_WATCHDOG is not set

#
# Sonics Silicon Backplane
#
CONFIG_SSB_POSSIBLE=y
CONFIG_SSB=y
CONFIG_SSB_PCIHOST_POSSIBLE=y
CONFIG_SSB_PCIHOST=y
# CONFIG_SSB_SILENT is not set
# CONFIG_SSB_DEBUG is not set
CONFIG_SSB_DRIVER_PCICORE_POSSIBLE=y
CONFIG_SSB_DRIVER_PCICORE=y

#
# Multifunction device drivers
#
# CONFIG_MFD_SM501 is not set

#
# Multimedia devices
#
# CONFIG_VIDEO_DEV is not set
# CONFIG_DVB_CORE is not set
CONFIG_DAB=y
# CONFIG_USB_DABUSB is not set

#
# Graphics support
#
CONFIG_AGP=y
CONFIG_AGP_AMD64=y
CONFIG_AGP_INTEL=y
# CONFIG_AGP_SIS is not set
# CONFIG_AGP_VIA is not set
# CONFIG_DRM is not set
# CONFIG_VGASTATE is not set
# CONFIG_VIDEO_OUTPUT_CONTROL is not set
# CONFIG_FB is not set
# CONFIG_BACKLIGHT_LCD_SUPPORT is not set

#
# Display device support
#
# CONFIG_DISPLAY_SUPPORT is not set

#
# Console display driver support
#
CONFIG_VGA_CONSOLE=y
CONFIG_VGACON_SOFT_SCROLLBACK=y
CONFIG_VGACON_SOFT_SCROLLBACK_SIZE=256
CONFIG_VIDEO_SELECT=y
CONFIG_DUMMY_CONSOLE=y

#
# Sound
#
CONFIG_SOUND=y

#
# Advanced Linux Sound Architecture
#
# CONFIG_SND is not set

#
# Open Sound System
#
CONFIG_SOUND_PRIME=y
# CONFIG_SOUND_TRIDENT is not set
# CONFIG_SOUND_MSNDCLAS is not set
# CONFIG_SOUND_MSNDPIN is not set
# CONFIG_SOUND_OSS is not set
CONFIG_HID_SUPPORT=y
CONFIG_HID=y
# CONFIG_HID_DEBUG is not set
# CONFIG_HIDRAW is not set

#
# USB Input Devices
#
CONFIG_USB_HID=y
# CONFIG_USB_HIDINPUT_POWERBOOK is not set
# CONFIG_HID_FF is not set
# CONFIG_USB_HIDDEV is not set
CONFIG_USB_SUPPORT=y
CONFIG_USB_ARCH_HAS_HCD=y
CONFIG_USB_ARCH_HAS_OHCI=y
CONFIG_USB_ARCH_HAS_EHCI=y
CONFIG_USB=y
# CONFIG_USB_DEBUG is not set

#
# Miscellaneous USB options
#
CONFIG_USB_DEVICEFS=y
# CONFIG_USB_DEVICE_CLASS is not set
# CONFIG_USB_DYNAMIC_MINORS is not set
# CONFIG_USB_SUSPEND is not set
# CONFIG_USB_PERSIST is not set
# CONFIG_USB_OTG is not set

#
# USB Host Controller Drivers
#
CONFIG_USB_EHCI_HCD=y
# CONFIG_USB_EHCI_SPLIT_ISO is not set
# CONFIG_USB_EHCI_ROOT_HUB_TT is not set
# CONFIG_USB_EHCI_TT_NEWSCHED is not set
# CONFIG_USB_ISP116X_HCD is not set
CONFIG_USB_OHCI_HCD=y
# CONFIG_USB_OHCI_HCD_SSB is not set
# CONFIG_USB_OHCI_BIG_ENDIAN_DESC is not set
# CONFIG_USB_OHCI_BIG_ENDIAN_MMIO is not set
CONFIG_USB_OHCI_LITTLE_ENDIAN=y
CONFIG_USB_UHCI_HCD=y
# CONFIG_USB_SL811_HCD is not set
# CONFIG_USB_R8A66597_HCD is not set

#
# USB Device Class drivers
#
# CONFIG_USB_ACM is not set
CONFIG_USB_PRINTER=y

#
# NOTE: USB_STORAGE enables SCSI, and 'SCSI disk support'
#

#
# may also be needed; see USB_STORAGE Help for more information
#
CONFIG_USB_STORAGE=y
# CONFIG_USB_STORAGE_DEBUG is not set
# CONFIG_USB_STORAGE_DATAFAB is not set
# CONFIG_USB_STORAGE_FREECOM is not set
# CONFIG_USB_STORAGE_ISD200 is not set
# CONFIG_USB_STORAGE_DPCM is not set
# CONFIG_USB_STORAGE_USBAT is not set
# CONFIG_USB_STORAGE_SDDR09 is not set
# CONFIG_USB_STORAGE_SDDR55 is not set
# CONFIG_USB_STORAGE_JUMPSHOT is not set
# CONFIG_USB_STORAGE_ALAUDA is not set
# CONFIG_USB_STORAGE_KARMA is not set
# CONFIG_USB_LIBUSUAL is not set

#
# USB Imaging devices
#
# CONFIG_USB_MDC800 is not set
# CONFIG_USB_MICROTEK is not set
CONFIG_USB_MON=y

#
# USB port drivers
#

#
# USB Serial Converter support
#
# CONFIG_USB_SERIAL is not set

#
# USB Miscellaneous drivers
#
# CONFIG_USB_EMI62 is not set
# CONFIG_USB_EMI26 is not set
# CONFIG_USB_ADUTUX is not set
# CONFIG_USB_AUERSWALD is not set
# CONFIG_USB_RIO500 is not set
# CONFIG_USB_LEGOTOWER is not set
# CONFIG_USB_LCD is not set
# CONFIG_USB_BERRY_CHARGE is not set
# CONFIG_USB_LED is not set
# CONFIG_USB_CYPRESS_CY7C63 is not set
# CONFIG_USB_CYTHERM is not set
# CONFIG_USB_PHIDGET is not set
# CONFIG_USB_IDMOUSE is not set
# CONFIG_USB_FTDI_ELAN is not set
# CONFIG_USB_APPLEDISPLAY is not set
# CONFIG_USB_SISUSBVGA is not set
# CONFIG_USB_LD is not set
# CONFIG_USB_TRANCEVIBRATOR is not set
# CONFIG_USB_IOWARRIOR is not set
# CONFIG_USB_TEST is not set

#
# USB DSL modem support
#

#
# USB Gadget Support
#
# CONFIG_USB_GADGET is not set
# CONFIG_MMC is not set
# CONFIG_NEW_LEDS is not set
# CONFIG_INFINIBAND is not set
# CONFIG_EDAC is not set
# CONFIG_RTC_CLASS is not set
# CONFIG_DMADEVICES is not set
CONFIG_VIRTUALIZATION=y
# CONFIG_KVM is not set

#
# Userspace I/O
#
# CONFIG_UIO is not set

#
# Firmware Drivers
#
# CONFIG_EDD is not set
# CONFIG_DELL_RBU is not set
# CONFIG_DCDBAS is not set
CONFIG_DMIID=y

#
# File systems
#
CONFIG_EXT2_FS=y
CONFIG_EXT2_FS_XATTR=y
CONFIG_EXT2_FS_POSIX_ACL=y
# CONFIG_EXT2_FS_SECURITY is not set
# CONFIG_EXT2_FS_XIP is not set
CONFIG_EXT3_FS=y
CONFIG_EXT3_FS_XATTR=y
CONFIG_EXT3_FS_POSIX_ACL=y
# CONFIG_EXT3_FS_SECURITY is not set
# CONFIG_EXT4DEV_FS is not set
CONFIG_JBD=y
# CONFIG_JBD_DEBUG is not set
CONFIG_FS_MBCACHE=y
CONFIG_REISERFS_FS=y
# CONFIG_REISERFS_CHECK is not set
# CONFIG_REISERFS_PROC_INFO is not set
CONFIG_REISERFS_FS_XATTR=y
CONFIG_REISERFS_FS_POSIX_ACL=y
# CONFIG_REISERFS_FS_SECURITY is not set
# CONFIG_JFS_FS is not set
CONFIG_FS_POSIX_ACL=y
CONFIG_XFS_FS=y
# CONFIG_XFS_QUOTA is not set
# CONFIG_XFS_SECURITY is not set
# CONFIG_XFS_POSIX_ACL is not set
# CONFIG_XFS_RT is not set
# CONFIG_GFS2_FS is not set
# CONFIG_OCFS2_FS is not set
# CONFIG_MINIX_FS is not set
# CONFIG_ROMFS_FS is not set
CONFIG_INOTIFY=y
CONFIG_INOTIFY_USER=y
# CONFIG_QUOTA is not set
CONFIG_DNOTIFY=y
# CONFIG_AUTOFS_FS is not set
CONFIG_AUTOFS4_FS=y
# CONFIG_FUSE_FS is not set
CONFIG_GENERIC_ACL=y

#
# CD-ROM/DVD Filesystems
#
CONFIG_ISO9660_FS=y
CONFIG_JOLIET=y
# CONFIG_ZISOFS is not set
# CONFIG_UDF_FS is not set

#
# DOS/FAT/NT Filesystems
#
CONFIG_FAT_FS=y
CONFIG_MSDOS_FS=y
CONFIG_VFAT_FS=y
CONFIG_FAT_DEFAULT_CODEPAGE=437
CONFIG_FAT_DEFAULT_IOCHARSET="iso8859-1"
# CONFIG_NTFS_FS is not set

#
# Pseudo filesystems
#
CONFIG_PROC_FS=y
CONFIG_PROC_KCORE=y
CONFIG_PROC_SYSCTL=y
CONFIG_SYSFS=y
CONFIG_TMPFS=y
CONFIG_TMPFS_POSIX_ACL=y
CONFIG_HUGETLBFS=y
CONFIG_HUGETLB_PAGE=y
# CONFIG_CONFIGFS_FS is not set

#
# Miscellaneous filesystems
#
# CONFIG_ADFS_FS is not set
# CONFIG_AFFS_FS is not set
# CONFIG_HFS_FS is not set
# CONFIG_HFSPLUS_FS is not set
# CONFIG_BEFS_FS is not set
# CONFIG_BFS_FS is not set
# CONFIG_EFS_FS is not set
# CONFIG_CRAMFS is not set
# CONFIG_VXFS_FS is not set
# CONFIG_HPFS_FS is not set
# CONFIG_QNX4FS_FS is not set
# CONFIG_SYSV_FS is not set
# CONFIG_UFS_FS is not set
CONFIG_NETWORK_FILESYSTEMS=y
CONFIG_NFS_FS=y
CONFIG_NFS_V3=y
# CONFIG_NFS_V3_ACL is not set
# CONFIG_NFS_V4 is not set
# CONFIG_NFS_DIRECTIO is not set
CONFIG_NFSD=y
CONFIG_NFSD_V3=y
# CONFIG_NFSD_V3_ACL is not set
# CONFIG_NFSD_V4 is not set
CONFIG_NFSD_TCP=y
CONFIG_ROOT_NFS=y
CONFIG_LOCKD=y
CONFIG_LOCKD_V4=y
CONFIG_EXPORTFS=y
CONFIG_NFS_COMMON=y
CONFIG_SUNRPC=y
# CONFIG_SUNRPC_BIND34 is not set
# CONFIG_RPCSEC_GSS_KRB5 is not set
# CONFIG_RPCSEC_GSS_SPKM3 is not set
# CONFIG_SMB_FS is not set
# CONFIG_CIFS is not set
# CONFIG_NCP_FS is not set
# CONFIG_CODA_FS is not set
# CONFIG_AFS_FS is not set

#
# Partition Types
#
# CONFIG_PARTITION_ADVANCED is not set
CONFIG_MSDOS_PARTITION=y
CONFIG_NLS=y
CONFIG_NLS_DEFAULT="iso8859-1"
CONFIG_NLS_CODEPAGE_437=y
# CONFIG_NLS_CODEPAGE_737 is not set
# CONFIG_NLS_CODEPAGE_775 is not set
# CONFIG_NLS_CODEPAGE_850 is not set
# CONFIG_NLS_CODEPAGE_852 is not set
# CONFIG_NLS_CODEPAGE_855 is not set
# CONFIG_NLS_CODEPAGE_857 is not set
# CONFIG_NLS_CODEPAGE_860 is not set
# CONFIG_NLS_CODEPAGE_861 is not set
# CONFIG_NLS_CODEPAGE_862 is not set
# CONFIG_NLS_CODEPAGE_863 is not set
# CONFIG_NLS_CODEPAGE_864 is not set
# CONFIG_NLS_CODEPAGE_865 is not set
# CONFIG_NLS_CODEPAGE_866 is not set
# CONFIG_NLS_CODEPAGE_869 is not set
# CONFIG_NLS_CODEPAGE_936 is not set
# CONFIG_NLS_CODEPAGE_950 is not set
# CONFIG_NLS_CODEPAGE_932 is not set
# CONFIG_NLS_CODEPAGE_949 is not set
# CONFIG_NLS_CODEPAGE_874 is not set
# CONFIG_NLS_ISO8859_8 is not set
# CONFIG_NLS_CODEPAGE_1250 is not set
# CONFIG_NLS_CODEPAGE_1251 is not set
CONFIG_NLS_ASCII=y
CONFIG_NLS_ISO8859_1=y
# CONFIG_NLS_ISO8859_2 is not set
# CONFIG_NLS_ISO8859_3 is not set
# CONFIG_NLS_ISO8859_4 is not set
# CONFIG_NLS_ISO8859_5 is not set
# CONFIG_NLS_ISO8859_6 is not set
# CONFIG_NLS_ISO8859_7 is not set
# CONFIG_NLS_ISO8859_9 is not set
# CONFIG_NLS_ISO8859_13 is not set
# CONFIG_NLS_ISO8859_14 is not set
CONFIG_NLS_ISO8859_15=y
# CONFIG_NLS_KOI8_R is not set
# CONFIG_NLS_KOI8_U is not set
CONFIG_NLS_UTF8=y
# CONFIG_DLM is not set
CONFIG_INSTRUMENTATION=y
CONFIG_PROFILING=y
CONFIG_OPROFILE=y
CONFIG_KPROBES=y
# CONFIG_MARKERS is not set

#
# Kernel hacking
#
CONFIG_TRACE_IRQFLAGS_SUPPORT=y
# CONFIG_PRINTK_TIME is not set
CONFIG_ENABLE_WARN_DEPRECATED=y
# CONFIG_ENABLE_MUST_CHECK is not set
CONFIG_MAGIC_SYSRQ=y
CONFIG_UNUSED_SYMBOLS=y
CONFIG_DEBUG_FS=y
# CONFIG_HEADERS_CHECK is not set
CONFIG_DEBUG_KERNEL=y
# CONFIG_DEBUG_SHIRQ is not set
CONFIG_DETECT_SOFTLOCKUP=y
CONFIG_SCHED_DEBUG=y
# CONFIG_SCHEDSTATS is not set
# CONFIG_TIMER_STATS is not set
# CONFIG_SLUB_DEBUG_ON is not set
# CONFIG_DEBUG_RT_MUTEXES is not set
# CONFIG_RT_MUTEX_TESTER is not set
# CONFIG_DEBUG_SPINLOCK is not set
# CONFIG_DEBUG_MUTEXES is not set
# CONFIG_DEBUG_LOCK_ALLOC is not set
# CONFIG_PROVE_LOCKING is not set
# CONFIG_LOCK_STAT is not set
# CONFIG_DEBUG_SPINLOCK_SLEEP is not set
# CONFIG_DEBUG_LOCKING_API_SELFTESTS is not set
# CONFIG_DEBUG_KOBJECT is not set
# CONFIG_DEBUG_BUGVERBOSE is not set
# CONFIG_DEBUG_INFO is not set
# CONFIG_DEBUG_VM is not set
# CONFIG_DEBUG_LIST is not set
# CONFIG_DEBUG_SG is not set
# CONFIG_FRAME_POINTER is not set
CONFIG_FORCED_INLINING=y
# CONFIG_BOOT_PRINTK_DELAY is not set
# CONFIG_RCU_TORTURE_TEST is not set
# CONFIG_LKDTM is not set
# CONFIG_FAULT_INJECTION is not set
# CONFIG_SAMPLES is not set
CONFIG_EARLY_PRINTK=y
# CONFIG_DEBUG_STACKOVERFLOW is not set
# CONFIG_DEBUG_STACK_USAGE is not set
# CONFIG_DEBUG_RODATA is not set
# CONFIG_IOMMU_DEBUG is not set

#
# Security options
#
# CONFIG_KEYS is not set
# CONFIG_SECURITY is not set
# CONFIG_SECURITY_FILE_CAPABILITIES is not set
# CONFIG_CRYPTO is not set

#
# Library routines
#
CONFIG_BITREVERSE=y
# CONFIG_CRC_CCITT is not set
# CONFIG_CRC16 is not set
# CONFIG_CRC_ITU_T is not set
CONFIG_CRC32=y
# CONFIG_CRC7 is not set
# CONFIG_LIBCRC32C is not set
CONFIG_ZLIB_INFLATE=y
CONFIG_PLIST=y
CONFIG_HAS_IOMEM=y
CONFIG_HAS_IOPORT=y
CONFIG_HAS_DMA=y

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