Hi ,
After merging the final tree, today's linux-next build (powerpc
ppc44x_defconfig) failed like this:
net/built-in.o: In function `tcp_fastopen_ctx_free':
tcp_fastopen.c:(.text+0x5cc5c): undefined reference to `crypto_destroy_tfm'
net/built-in.o: In function `tcp_fastopen_reset_cipher':
(.text
On 08/30/2012 12:15 PM, Sachin Agarwalla wrote:
Dear Sir/Madam,
I have some questions on development of linux kernel as follows:-
1.I want to know the location of files in linux kernel source code that
contains timer initialization and scheduler part.
Scheduler source code is in kernel/sche
To support LP55231 device, the device id is added.
Additionally, the i2c driver name is changed from lp5523 to lp5523x.
Signed-off-by: Milo(Woogyom) Kim
---
drivers/leds/leds-lp5523.c | 10 --
1 file changed, 8 insertions(+), 2 deletions(-)
diff --git a/drivers/leds/leds-lp5523.c b/
New TI LP55231 device has same I2C register layout as LP5523.
Therefore, all of LED operations can be shared with the LP5523 driver.
To support new LP55231 device explicitly, the device description
is added in the configuration file.
Signed-off-by: Milo(Woogyom) Kim
---
drivers/leds/Kconfig
LP5523 driver supports both LP5523 and LP55231.
The i2c device id is one of the two - lp5523 or lp55231.
So it's better to use matching i2c device id while enumerating the device
and naming LED channels.
Signed-off-by: Milo(Woogyom) Kim
---
drivers/leds/leds-lp5523.c | 10 ++
1 fil
On Mon, Sep 03, 2012 at 10:54:49PM +0200, Oliver Hartkopp wrote:
> On 03.09.2012 20:29, Fabio Baltieri wrote:
>
> > On Mon, Sep 03, 2012 at 08:13:35PM +0200, Kurt Van Dijck wrote:
> >> On Mon, Sep 03, 2012 at 02:40:39PM +0200, Marc Kleine-Budde wrote:
> >>> The net->ifindex is unique. But it's onl
Hi all,
Changes since 20120824:
The pci tree gained conflicts against Linus' tree.
The v4l-dvb tree gained a conflict against the arm tree.
The ubi tree lost its build failure.
The scsi tree lost its conflict.
The drm tree lost its build failure and conflicts.
The sound tree lost its build f
> Today's linux-next merge of the pci tree got a conflict in
> drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c between commit
> 8eee694c3e66 ("bnx2x: fix unload previous driver flow when flr-capable")
> from Linus' tree and commit 2a80eebcbf3e ("bnx2x: Use PCI Express
> Capability accessors") from
On Sun, Sep 2, 2012 at 2:04 AM, Axel Lin wrote:
> Signed-off-by: Axel Lin
Applied, thanks!
Linus Walleij
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On Sun, Sep 2, 2012 at 2:08 AM, Axel Lin wrote:
> Signed-off-by: Axel Lin
Applied, thanks!
Linus Walleij
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On Mon, Sep 03, 2012 at 01:26:26PM -0700, Guenter Roeck wrote:
> Actually, spi_master_put() after spi_alloc_master() must _not_ be followed
> by kfree(). The memory is already freed with the call to spi_master_put()
> through spi_master_class, which registers a release function. Calling both
> spi_
On Sun, Sep 2, 2012 at 5:58 AM, Axel Lin wrote:
> Signed-off-by: Axel Lin
Applied, thanks!
Linus Walleij
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On Sun, Sep 2, 2012 at 5:58 AM, Axel Lin wrote:
> Signed-off-by: Axel Lin
Applied, thanks!
Linus Walleij
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Let's CC LKML and Paul.
On Sat, 2012-09-01 at 22:19 -0700, Subodh Nijsure wrote:
> Hello,
>
> I am running 3.6-rc4 kernel on my MX28 based board and every time I
> mount UBI file system I see following warning.
> Anybody else seen this errors, particularly those running it on MXS
> platform?
On Sat, 2012-09-01 at 18:33 +0200, Julia Lawall wrote:
> From: Julia Lawall
>
> devm free functions should not have to be explicitly used.
>
> A semantic match that finds this problem is as follows:
> (http://coccinelle.lip6.fr/)
Pushed to l2-mtd.git, thanks!
--
Best Regards,
Artem Bityutskiy
2012/9/3, Jan Kara :
> Hello,
>
> On Fri 31-08-12 12:51:58, Namjae Jeon wrote:
>> From: Namjae Jeon
>>
>> While mapping logical blocks of a file to physical blocks on the
>> partition,
>> everytime UDF read file metadata from the begining which decrease
>> preformance.
>> The drawback of this sc
On Tue, Sep 4, 2012 at 3:06 PM, Kim, Milo wrote:
> New TI LP55231 device has same I2C register layout as LP5523.
> Therefore, all of LED operations can be shared with the LP5523 driver.
>
> To support new LP55231 device explicitly, the device description
> is added in the configuration file.
>
On Tuesday 04 September 2012, Stephen Rothwell wrote:
> Today's linux-next merge of the arm-soc tree got a conflict in
> arch/arm/mm/mmu.c between commit a849088aa155 ("ARM: Fix ioremap() of
> address zero") from the arm-current tree and commit c2794437091a ("ARM:
> Add fixed PCI i/o mapping") from
On Tue, Sep 4, 2012 at 3:06 PM, Kim, Milo wrote:
> To support LP55231 device, the device id is added.
> Additionally, the i2c driver name is changed from lp5523 to lp5523x.
>
Applied to my for-next.
-Bryan
> Signed-off-by: Milo(Woogyom) Kim
> ---
> drivers/leds/leds-lp5523.c | 10
The kernel doesn't check pid on a negative values, so if
you would try to write -2 in /proc/sys/kernel/ns_last_pid,
you will get a kernel panic.
In this case the next pid is -1, and alloc_pidmap will try to access
to a nonexistent pidmap.
map = &pid_ns->pidmap[pid/BITS_PER_PAGE];
Cc: Andrew Mort
> > After merging the drm tree, today's linux-next build (powerpc
> > ppc64_defconfig) produced these warnings:
> >
> > drivers/gpu/drm/udl/Kconfig:1:error: recursive dependency detected!
> > drivers/gpu/drm/udl/Kconfig:1: symbol DRM_UDL depends on USB_ARCH_HAS_HCD
> > drivers/usb/Kconfig:76: symb
Hi,
now the second, revised version of the patch set. I now tested loading
both drivers after each other in several combinations, after two bug
fixes this now works as expected.
I added a patch to move messages from powernow-k8 after the initialization
phase, so it remains silent if driver loading
From: Matthew Garrett
Some AMD systems may round the frequencies in ACPI tables to 100MHz
boundaries. We can obtain the real frequencies from MSRs, so add a quirk
to fix these frequencies up on AMD systems.
Signed-off-by: Matthew Garrett
Signed-off-by: Andre Przywara
---
arch/x86/include/asm/
cpufreq modules are often loaded from init scripts that assume that
all recent AMD systems will use powernow-k8.
To inform the user of the change of support and ease the transition
to acpi-cpufreq, emit a warning message.
Signed-off-by: Andre Przywara
---
drivers/cpufreq/Kconfig.x86 | 3 ++-
d
To workaround some Windows specific behavior, the ACPI _PSD table
on AMD desktop boards advertises all cores as dependent, meaning
that they all can only use the same P-state. acpi-cpufreq strictly
obeys this description, instantiating one CPU only and symlinking
the others. But the hardware can ha
On Tue, Sep 4, 2012 at 3:06 PM, Kim, Milo wrote:
> LP5523 driver supports both LP5523 and LP55231.
> The i2c device id is one of the two - lp5523 or lp55231.
> So it's better to use matching i2c device id while enumerating the device
> and naming LED channels.
>
Applied, thanks.
-Bryan
> Sig
From: Matthew Garrett
These chips are now supported by acpi-cpufreq, so we can delete all the
code handling them.
Andre: Tighten the deprecation warning message. Trigger load of
acpi-cpufreq and let the load of the module finally fail.
This avoids the problem of users ending up without any cpufr
The powernow-k8 driver supported a sysfs knob called "cpb", which was
instantiated per CPU, but actually acted globally for the whole
system. To keep some compatibility with this feature, we re-introduce
this behavior here, but:
a) only enable it on AMD CPUs and
b) protect it with a Kconfig switch
One feature present in powernow-k8 that isn't present in acpi-cpufreq
is support for enabling or disabling AMD's core performance boost
technology. This patch adds support to acpi-cpufreq, but also
includes support for Intel's dynamic acceleration.
The original boost disabling sysfs file was per C
From: Matthew Garrett
The programming model for P-states on modern AMD CPUs is very similar to
that of Intel and VIA. It makes sense to consolidate this support into one
driver rather than duplicating functionality between two of them. This
patch adds support for AMDs with hardware P-state contro
On 08/29/2012 11:49 AM, Nicolas Ferre :
> If the number of ports present on the SoC/board is not the maximum
> and that the platform data is not filled with all data, there is
> an easy way to mess the PIO setup for this interface.
> This quick fix addresses mis-configuration in USB host platform d
powernow-k8 is quite prematurely crying Hooray and outputs diagnostic
messages, although the actual initialization can still fail.
Since now we may have acpi-cpufreq already loaded, we move the
messages at the end of the init routine to avoid confusing output
if the loading of powernow-k8 should no
>
>> + of the root memcg, regardless of their positioning in the tree.
>> +
>> + Use of flat hierarchies is highly discouraged, but has been the
>> + default for performance reasons for quite some time. Setting this flag
>> + to on will make hierarchical accounting the default
Aiaiai! :-) [1] [2]
I've build-tested this using aiaiai and it reports that this change breaks the
build:
dedekind@blue:~/git/maintaining$ ./verify ../l2-mtd/ mpc5121_nfc <
~/tmp/julia2.mbox
Tested the patch(es) on top of the following commits:
ba64756 Quick fixes - applied by aiaiai
651c6fa J
On 09/03/2012 09:08 PM, Michal Hocko wrote:
> On Mon 03-09-12 19:46:51, Glauber Costa wrote:
>> Here is a new attempt to lay down a path that will allow us to deprecate
>> the non-hierarchical mode of operation from memcg. Unlike what I posted
>> before, I am making this behavior conditional on a
On Mon, Sep 3, 2012 at 3:29 PM, G.Shark Jeong wrote:
> From: "G.Shark Jeong"
>
> LM3554 and LM3556 have similar functions but very different register map.
> This driver is a general version for lm3554 and lm3556 both,led chips of TI.
> lm3556 driver can be replaced by this driver.
>
> LM3554 :
>
Hello,
The two following patches do:
1) Allow the use of NS LM70 with a 4 wire SPI bus too, since the component
allows both configuration
2) Adds support for NS LM71 and LM74
Regards
Christophe
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Removing the 3wire limitation on LM70 as the component also allows
operation on 4wire SPI bus
Signed-off-by: Christophe Leroy
diff -u linux-3.5-vanilla/drivers/hwmon/lm70.c linux-3.5/drivers/hwmon/lm70.c
--- linux-3.5-vanilla/drivers/hwmon/lm70.c 2012-07-21 22:58:29.0
+0200
+++ lin
Adding support for LM74 and LM71 chips
Signed-off-by: Christophe Leroy
diff -u linux-3.5-vanilla/drivers/hwmon/Kconfig linux-3.5/drivers/hwmon/Kconfig
--- linux-3.5-vanilla/drivers/hwmon/Kconfig 2012-07-21 22:58:29.0
+0200
+++ linux-3.5/drivers/hwmon/Kconfig 2012-08-25 00:44:05.
On Tue, Sep 04, 2012 at 08:46:12AM +0200, Paolo Bonzini wrote:
> Il 04/09/2012 04:21, Nicholas A. Bellinger ha scritto:
> >> @@ -112,6 +118,9 @@ static void virtscsi_complete_cmd(struct virtio_scsi
> >> *vscsi, void *buf)
> >>struct virtio_scsi_cmd *cmd = buf;
> >>struct scsi_cmnd *sc = cm
On 09/03/2012 02:26 AM, Jiri Kosina wrote:
On Sun, 2 Sep 2012, Xin Tong wrote:
3. can two different processes have their CR3 being the same value
even though they have different first level page tables ?
Yes, if they are created by clone(CLONE_VM). In such case they share the
same mm_struct,
On Mon, Sep 3, 2012 at 3:33 PM, Lee Jones wrote:
> Author: Lee Jones
> Date: Fri Aug 24 12:40:58 2012 +0100
>
> ARM: ux500: Provide SMSC911x fixed-regulator when not booting DT
>
> The SMSC911x Ethernet chip requires a fixed-regulator in order to
> function correctly. We have previ
On Tue, Sep 4, 2012 at 10:22 AM, Dave Airlie wrote:
>> > After merging the drm tree, today's linux-next build (powerpc
>> > ppc64_defconfig) produced these warnings:
>> >
>> > drivers/gpu/drm/udl/Kconfig:1:error: recursive dependency detected!
>> > drivers/gpu/drm/udl/Kconfig:1: symbol DRM_UDL de
On 09/04/2012 10:42 AM, Artem Bityutskiy wrote:
> Aiaiai! :-) [1] [2]
>
> I've build-tested this using aiaiai and it reports that this change breaks
> the build:
>
> dedekind@blue:~/git/maintaining$ ./verify ../l2-mtd/ mpc5121_nfc <
> ~/tmp/julia2.mbox
> Tested the patch(es) on top of the foll
On Tue, Sep 04, 2012 at 08:08:24AM +, Arnd Bergmann wrote:
> On Tuesday 04 September 2012, Stephen Rothwell wrote:
> > Today's linux-next merge of the arm-soc tree got a conflict in
> > arch/arm/mm/mmu.c between commit a849088aa155 ("ARM: Fix ioremap() of
> > address zero") from the arm-current
On Tue, 28 Aug 2012, Tejun Heo wrote:
> > This is prep work for killing bi_destructor - previously, pktcdvd had
> > its own pkt_bio_alloc which was basically duplication bio_kmalloc(),
> > necessitating its own bi_destructor implementation.
>
> How was this tested?
I have now tested it and it wo
On Tue, Sep 04, 2012 at 10:53:32AM +0200, Linus Walleij wrote:
> On Mon, Sep 3, 2012 at 3:33 PM, Lee Jones wrote:
>
> > Author: Lee Jones
> > Date: Fri Aug 24 12:40:58 2012 +0100
> >
> > ARM: ux500: Provide SMSC911x fixed-regulator when not booting DT
> >
> > The SMSC911x Ethernet chip
On 4 September 2012 08:35, Gaëtan Carlier wrote:
> Hi Javier,
>
> On 09/03/2012 10:27 AM, Javier Martin wrote:
>>
>> The following commit should be reverted:
>> 0865a75d4166bddc533fd50831829ceefb94f9b0
>>
>> The bug this patch is meant to solve doesn't occur in Visstrim_M10 boards.
>> Furthermore,
Hi,
On Mon, Sep 03, 2012 at 11:23:22PM +0300, Aaro Koskinen wrote:
> diff --git a/drivers/i2c/busses/i2c-cbus.c b/drivers/i2c/busses/i2c-cbus.c
> new file mode 100644
> index 000..bacf2a9
> --- /dev/null
> +++ b/drivers/i2c/busses/i2c-cbus.c
> @@ -0,0 +1,369 @@
> +/*
> + * CBUS I2C driver for
As otg.h is containing lots of phy interface related
stuff, moving all phy interface related stuff to new
file named phy.h
Signed-off-by: Venu Byravarasu
---
include/linux/usb/otg.h | 198 +
include/linux/usb/phy.h | 208 +
2012/9/4 Ryan Mallon
>
> On 04/09/12 00:14, yan wrote:
> > Signed-off-by: yan
> > ---
> > fs/proc/generic.c |3 +--
> > 1 file changed, 1 insertion(+), 2 deletions(-)
> >
> > diff --git a/fs/proc/generic.c b/fs/proc/generic.c
> > index 9e8f631..38de015 100644
> > --- a/fs/proc/generic.c
> >
At 07/03/2012 11:57 AM, Jiang Liu Wrote:
> Several subsystems, including memory-failure, swap, sparse, DRBD etc,
> use PageSlab() to check whether a page is managed by SLAB/SLUB/SLOB.
> And they treat slab pages differently from pagecache/anonymous pages.
>
> But it's unsafe to use PageSlab() to d
Hi Felipe,
On Monday 03 September 2012 07:43 PM, Felipe Balbi wrote:
* PGP Signed by an unknown key
Hi,
On Wed, Aug 29, 2012 at 12:17:01PM +0530, Venu Byravarasu wrote:
As otg.h is containing lots of phy interface related
stuff, moving all phy interface related stuff to new
file named phy.h
Dear Sir/Madam,
Thank you for your support.I want to know is the linux kernel cpu scheduling
part optimized for scalable multi core architecture.If not then what are the
scope if improvements?Can you help me?
thanking you,
waiting for your reply,
yours faithfully,
sachinagarwalla
- Origina
Hi Namhyung,
Thanks for your kind and thorough reviews.
On Tue, 4 Sep 2012 10:57:35 +0900
Namhyung Kim wrote:
> On Mon, 3 Sep 2012 16:14:31 +0800, Feng Tang wrote:
> > Create a script browser, so that user can check all the available
> > scripts and run them inside the main perf report or anno
On Mon, Sep 03, 2012 at 10:16:22PM +0200, Roland Stigge wrote:
> Hi Wolfram,
>
> On 20/08/12 19:55, Wolfram Sang wrote:
> >> I've never had my hands on a PNX4008 chip at NXP, but I do
> >> believe they are the same IP. That specific I2C IP was used in a
> >> number of NXP/Phillips chips besides th
This patch series applies on top of the previous ones currently queued
into Andrew's -mm tree (the rbtree, augmented rbtree and interval tree
changes).
The goal here is to use interval trees to replace the same_anon_vma
linked list, and avoid anon rmap scalability issues when a given
process has m
This change fixes an anon_vma locking issue in the following situation:
- vma has no anon_vma
- next has an anon_vma
- vma is being shrunk / next is being expanded, due to an mprotect call
We need to take next's anon_vma lock to avoid races with rmap users
(such as page migration) while next is be
In file and anon rmap, we use interval trees to find potentially relevant
vmas and then call vma_address() to find the virtual address the given
page might be found at in these vmas. vma_address() used to include a
check that the returned address falls within the limits of the vma, but
this check i
During mremap(), the destination VMA is generally placed after the
original vma in rmap traversal order: in move_vma(), we always have
new_pgoff >= vma->vm_pgoff, and as a result new_vma->vm_pgoff >=
vma->vm_pgoff unless vma_merge() merged the new vma with an adjacent
one.
When the destination VMA
Add a CONFIG_DEBUG_VM_RB build option for the previously existing
DEBUG_MM_RB code. Now that Andi Kleen modified it to avoid using
recursive algorithms, we can expose it a bit more.
Also extend this code to validate_mm() after stack expansion, and to
check that the vma's start and last pgoffs have
When a large VMA (anon or private file mapping) is first touched, which
will populate its anon_vma field, and then split into many regions through
the use of mprotect(), the original anon_vma ends up linking all of the
vmas on a linked list. This can cause rmap to become inefficient, as we
have to
2012/9/4 Cong Wang :
> On 09/03/2012 10:14 PM, yan wrote:
>>
>> Signed-off-by: yan
>
>
> Please provide a changelog to explain why we need this patch.
I think the title is self explained.
>> ---
>> fs/proc/generic.c |2 +-
>> 1 file changed, 1 insertion(+), 1 deletion(-)
>>
>> diff --git
mremap() had a clever optimization where move_ptes() did not take the
anon_vma lock to avoid a race with anon rmap users such as page migration.
Instead, the avc's were ordered in such a way that the origin vma was
always visited by rmap before the destination. This ordering and the use
of page tab
This commit updates the generic interval tree code that was
introduced in "mm: replace vma prio_tree with an interval tree".
Changes:
- fixed 'endpoing' typo noticed by Andrew Morton
- replaced include/linux/interval_tree_tmpl.h, which was used as a
template (including it automatically defined
POSIX said that if the file is a regular file and the value of "off"
plus "len" exceeds the offset maximum established in the open file
description associated with fildes, mmap should return EOVERFLOW.
The following test from LTP can reproduce this bug.
char tmpfname[256];
void *p
On Tue, Sep 4, 2012 at 11:08 AM, Lee Jones wrote:
> On Tue, Sep 04, 2012 at 10:53:32AM +0200, Linus Walleij wrote:
>
>> You forgot to add select REGULATOR_FIXED_VOLTAGE to
>> the MOP500 Kconfig entry, but I added it when applying.
>
> I didn't forget. I intentionally left it out because it's
> unc
The LED trigger name for CAN devices is based on the initial
CAN device name, but does never change. The LED trigger name
is not guaranteed to be unique in case of hotplugging CAN devices.
This patch tries to address this problem by modifying the
LED trigger name according to the CAN device name w
Hi,
I have declared a static const int variable in one driver and exported
that variable symbol. In another driver i am modifying that variable.
The other driver prints the modified value but the original driver
retains the original value. When both virtual and physical addresses
of the variable a
On Tue, Sep 04, 2012 at 12:05:07PM +0300, Felipe Balbi wrote:
> > + * CBUS I2C driver for Nokia Internet Tablets.
[...]
> this version misses the entire IRQ handling we already had on linux-omap
> tree, so it's quite a regression.
There's no interrupts used in plain CBUS protocol/communication I
On Mon, Sep 03, 2012 at 11:53:39AM -0700, Yinghai Lu wrote:
> On Mon, Sep 3, 2012 at 2:17 AM, Alexander Gordeev wrote:
> You may update create_irq_nr to be __create_irq_nr, and it could take
> extra count.
>
> and later have create_irq_nr to be __create_irq_nr(,1,)
> and create_irqs to be __creat
On Tue, Sep 04, 2012 at 11:29:02AM +0200, Linus Walleij wrote:
> On Tue, Sep 4, 2012 at 11:08 AM, Lee Jones wrote:
> > On Tue, Sep 04, 2012 at 10:53:32AM +0200, Linus Walleij wrote:
> >
> >> You forgot to add select REGULATOR_FIXED_VOLTAGE to
> >> the MOP500 Kconfig entry, but I added it when appl
Jens,
please consider pulling from
git://git.kernel.org/pub/scm/linux/kernel/git/jikos/linux-block.git for-jens
(based on 'master' of your linux-block.git) to receive the changes below.
There are a couple of fixes (mostly clenaups) to floppy driver from Herton
Ronaldo Krzesinski and Ben Hutc
On Tue, 4 Sep 2012, Lars-Peter Clausen wrote:
> On 09/04/2012 10:42 AM, Artem Bityutskiy wrote:
> > Aiaiai! :-) [1] [2]
> >
> > I've build-tested this using aiaiai and it reports that this change breaks
> > the build:
> >
> > dedekind@blue:~/git/maintaining$ ./verify ../l2-mtd/ mpc5121_nfc <
> >
On Tue, 2012-09-04 at 11:44 +0200, Julia Lawall wrote:
> > I've been bitten by the same issue recently, also cause by one of these
> > cocci devm patches. devm_clk_get is only available if the generic
> > clk_get/clk_put implementation is used. Not all architectures do this and
> > some implement t
On Tue 04-09-12 16:45:42, Namjae Jeon wrote:
> 2012/9/3, Jan Kara :
> >> +void udf_clear_extent_cache(struct udf_inode_info *iinfo)
> >> +{
> >> + if (iinfo->cached_extent.sanity) {
> >> + brelse(iinfo->cached_extent.epos.bh);
> >> + memset(&iinfo->cached_extent, 0, sizeof(struct
Hi Wen,
2012/09/04 12:46, Wen Congyang wrote:
Hi, isimatu-san
At 09/01/2012 05:30 AM, Andrew Morton Wrote:
On Tue, 28 Aug 2012 18:00:20 +0800
we...@cn.fujitsu.com wrote:
From: Yasuaki Ishimatsu
There is a possibility that get_page_bootmem() is called to the same page many
times. So when ge
so be called by udf_direct_IO().
Also change the whitespace in udf_aops and udf_adinicb_aops to make them
a bit neater.
Signed-off-by: Ian Abbott
---
v2: Rework error handling in udf_direct_IO to avoid calling deprecated
vmtruncate().
v3: Rebased to next-20120904.
---
fs/u
2012/9/4 Jan Kara :
> On Tue 04-09-12 16:45:42, Namjae Jeon wrote:
>> 2012/9/3, Jan Kara :
>> >> +void udf_clear_extent_cache(struct udf_inode_info *iinfo)
>> >> +{
>> >> + if (iinfo->cached_extent.sanity) {
>> >> + brelse(iinfo->cached_extent.epos.bh);
>> >> + memset(&iinfo->cac
For file system created on file-backed loop device, there will be two-levels of
page cache present, which typically doubles the memory consumption.
In many cases, it is beneficial to turn on the O_DIRECT option while performing
the upper file system file IO, to bypass the upper page cache, which
Wei,
see my comments below.
On 27.08.12 09:32:13, wei.y...@windriver.com wrote:
> From: Wei Yang
>
> Upon enabling the call-graph functionality of oprofile, A few minutes
> later the following calltrace will always occur.
>
> BUG: unable to handle kernel paging request at 656d6153
> IP: [] pri
Il 04/09/2012 10:46, Michael S. Tsirkin ha scritto:
+static int virtscsi_queuecommand_multi(struct Scsi_Host *sh,
+ struct scsi_cmnd *sc)
+{
+ struct virtio_scsi *vscsi = shost_priv(sh);
+ struct virtio_scsi_target_state *tgt = vscsi->tgt[s
On Tue, Sep 4, 2012 at 3:00 PM, Manavendra Nath Manav
wrote:
> Hi,
>
> I have declared a static const int variable in one driver and exported
> that variable symbol. In another driver i am modifying that variable.
> The other driver prints the modified value but the original driver
> retains the o
Hi Linus,
please pull the fixes below.
Thanks,
Florian Tobias Schandinat
The following changes since commit fea7a08acb13524b47711625eebea40a0ede69a0:
Linux 3.6-rc3 (2012-08-22 13:29:06 -0700)
are available in the git repository at:
git://github.com/schandinat/linux-2.6.git fbdev-fixes-
When analyzing perf data from hosts of other architecture than one of the local
host it's useful to call objdump that is part of a toolchain for that
architecture. Instead of calling regular objdump, call one that user specified
in command line.
Signed-off-by: Maciek Borzecki
---
tools/perf/Docu
On Tue, Sep 04, 2012 at 03:58:20PM +0530, Manavendra Nath Manav wrote:
> On Tue, Sep 4, 2012 at 3:00 PM, Manavendra Nath Manav
> wrote:
> > Hi,
> >
> > I have declared a static const int variable in one driver and exported
> > that variable symbol. In another driver i am modifying that variable.
On Tue, 4 Sep 2012 15:00:16 +0530
Manavendra Nath Manav wrote:
> Hi,
>
> I have declared a static const int variable in one driver and exported
> that variable symbol. In another driver i am modifying that variable.
> The other driver prints the modified value but the original driver
> retains t
On Tue, Sep 04, 2012 at 06:17:47PM +0800, Li Wang wrote:
> For file system created on file-backed loop device, there will be two-levels
> of
> page cache present, which typically doubles the memory consumption.
And the right fix is to not use buffer I/O on the backing file instead
of hacks like
On Tue, Sep 4, 2012 at 4:09 PM, Julian Andres Klode wrote:
> On Tue, Sep 04, 2012 at 03:58:20PM +0530, Manavendra Nath Manav wrote:
>> On Tue, Sep 4, 2012 at 3:00 PM, Manavendra Nath Manav
>> wrote:
>> > Hi,
>> >
>> > I have declared a static const int variable in one driver and exported
>> > tha
On Tue, Sep 04, 2012 at 12:25:03PM +0200, Paolo Bonzini wrote:
> Il 04/09/2012 10:46, Michael S. Tsirkin ha scritto:
> +static int virtscsi_queuecommand_multi(struct Scsi_Host *sh,
> + struct scsi_cmnd *sc)
> +{
> +struct virtio_scsi
Il 04/09/2012 13:09, Michael S. Tsirkin ha scritto:
>> > queuecommand on CPU #0 queuecommand #2 on CPU #1
>> > --
>> > atomic_inc_return(...) == 1
>> >atomic_inc_return(...) == 2
>> >
Hi Michael,
>> If an architecture do not support DMA you will get
>> a link error: "unknown symbol" for dma_alloc_coherent.
>
> Yes, it even seems intentional.
> But I have a question: can the device work without DMA?
The main dependency is actually on the dma-allocation.
In my case I do dma_decl
Paul Walmsley has implemented dynamic quirk handling back in 2007 through
commits:
2eb5dc30eb ("USB HID: encapsulate quirk handling into hid-quirks.c")
8222fbe67c ("USB HID: clarify static quirk handling as squirks")
8cef908235 ("USB HID: add support for dynamically-created quirks")
876b9276b9 ("
On Tue, Sep 04, 2012 at 11:20:10AM +0800, Dong Aisheng wrote:
> +
> + anatop_np = of_get_parent(np);
> + if (!anatop_np)
> + return -ENODEV;
> + sreg->anatop = syscon_node_to_regmap(anatop_np);
> + if (IS_ERR(sreg->anatop))
> + return PTR_ERR(sreg->anatop);
>
Hi Sam,
On Wed, 1 Aug 2012 12:16:46 +0200, Samuel Ortiz wrote:
> Hi Jean,
>
> On Wed, Aug 01, 2012 at 11:13:59AM +0200, Jean Delvare wrote:
> > On Mon, 23 Jul 2012 17:34:15 +0200, Jean Delvare wrote:
> > > The ICH chips have their GPIO pins organized in 2 or 3 independent
> > > groups of 32 GPIO
The freescale V2 SATA controller checks if the received data length matches
the programmed length 'ttl', if not, it assumes that this is an error.
In ATAPI, the 'ttl' is based on max allocation length and not the actual
data transfer length, controller will raise 'DLM' (Data length Mismatch)
error
Hi Dong,
On Tue, Sep 04, 2012 at 11:20:08AM +0800, Dong Aisheng wrote:
> +static int __devinit syscon_probe(struct platform_device *pdev)
> +{
> + struct device *dev = &pdev->dev;
Do we really need this variable? Anyway you are using it only
once in the dev_info.
> + struct device_node *
Hi,
On Tue, Sep 04, 2012 at 12:31:42PM +0300, Aaro Koskinen wrote:
> On Tue, Sep 04, 2012 at 12:05:07PM +0300, Felipe Balbi wrote:
> > > + * CBUS I2C driver for Nokia Internet Tablets.
>
> [...]
>
> > this version misses the entire IRQ handling we already had on linux-omap
> > tree, so it's quit
On Sun, 2 Sep 2012 16:34:02 +0800, Fengguang Wu wrote:
> It's more than the input device that can trigger the panic.
> Here is another trace which panics on accessing dmi/id/uevent:
>
> [ 32.380795] sysfs_read_file: /sys/devices/virtual/dmi/id/uevent
> [ 32.399379] dmi id: uevent 73 env[167772
On Tue, Sep 04, 2012 at 07:34:32PM +0800, Shawn Guo wrote:
> On Tue, Sep 04, 2012 at 11:20:10AM +0800, Dong Aisheng wrote:
> > +
> > + anatop_np = of_get_parent(np);
> > + if (!anatop_np)
> > + return -ENODEV;
> > + sreg->anatop = syscon_node_to_regmap(anatop_np);
> > + if (IS_ERR
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