Hello all.
Can anyone say to me that messages its normal =)
[63617.120342] MCE: The hardware reports a non fatal, correctable
incident occurred on CPU 0.
[63617.120353] Bank 3: cc100100
[63632.092712] MCE: The hardware reports a non fatal, correctable
incident occurred on CPU 0.
On Jan 29, 2008 12:31 AM, Andi Kleen [EMAIL PROTECTED] wrote:
On Mon, Jan 28, 2008 at 11:39:30PM -0800, Yinghai Lu wrote:
On Jan 29, 2008 12:09 AM, Andi Kleen [EMAIL PROTECTED] wrote:
SRAT is essentially just a two dimensional table with node distances.
Sorry, that was actually SLIT.
Andrew Morton wrote:
On Mon, 28 Jan 2008 13:43:02 -0700
[EMAIL PROTECTED] (Eric W. Biederman) wrote:
Pavel Emelyanov [EMAIL PROTECTED] writes:
...
+asmlinkage long sys_thread_getrusage(int tid, struct rusage __user *ru)
+{
+ struct task_struct *tsk;
+ tsk = find_task_by_pid(tid);
+
Current cpuid module will create a char device for every logical cpu,
when a user cats /dev/cpu/*/cpuid, he/she will enter a limitless loop,
the root cause is that cpuid module doesn't decide wether a cpuid level
is valid, it just uses an offset to denote cpuid level and take it to
cpuid
+
+static struct notifier_block __cpuinitdata cpuid_sysfs_cpu_notifier = {
+ .notifier_call = cpuid_sysfs_cpu_callback,
+};
Data is annotated _cpuintidata
but
+
Data is annotated _cpuintidata
@@ -217,11 +445,14 @@ static void __exit cpuid_exit(void)
{
int cpu = 0;
-
Eric W. Biederman wrote:
Pavel Emelyanov [EMAIL PROTECTED] writes:
...
+asmlinkage long sys_thread_getrusage(int tid, struct rusage __user *ru)
+{
+ struct task_struct *tsk;
+ tsk = find_task_by_pid(tid);
+ return getrusage(tsk, RUSAGE_THREAD, ru);
+}
Well, the find_task_by_pid() is
Hi All,
Some of the fancy new scheduler features such as the cgroup load
balancer (load_balance_monitor) and the real-time load balancer are a
bit of an scalability issue. They all seem to want a rather strong
global bound to keep a global fairness (which is quite understandable).
[ my own
Expand the hwmon sysfs API to export energy consumption numbers.
Signed-off-by: Darrick J. Wong [EMAIL PROTECTED]
---
Documentation/hwmon/sysfs-interface |8
1 files changed, 8 insertions(+), 0 deletions(-)
diff --git a/Documentation/hwmon/sysfs-interface
[PATCH 1/2] print out node_data addr and bootmap_start addr
Signed-off-by: Yinghai Lu [EMAIL PROTECTED]
Index: linux-2.6/arch/x86/mm/numa_64.c
===
--- linux-2.6.orig/arch/x86/mm/numa_64.c
+++ linux-2.6/arch/x86/mm/numa_64.c
@@
Hi,
good thing, but could you update too Table 1-3: Contents of the stat
files with fields added by 9ac52315d4cf5f561f36dabaf0720c00d3553162 .
Thank you,
Laurent
On mar, 2008-01-29 at 19:43 +1100, AP wrote:
Today I noticed that a new field cropped up in /proc/stat. The git patch
that made it
It make the NODE_DATA aligned to ZONE_ALIGN for node0.
fix oops with 64g and 128 system
YH
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Please read the FAQ
[PATCH 2/2] x86_64: make early_node_mem return align address
boot oops when system get 64g or 128g installed
Calling initcall 0x80bc33b6: sctp_init+0x0/0x711()
BUG: unable to handle kernel NULL pointer dereference at 005f
IP: [802bfe55] proc_register+0xe7/0x10f
PGD 0
Hi,
Now in the GFS2 -nmw git tree. Thanks,
Steve.
On Tue, 2008-01-29 at 00:11 +0200, Adrian Bunk wrote:
gfs2_glock_hold() can now become static.
Signed-off-by: Adrian Bunk [EMAIL PROTECTED]
---
fs/gfs2/glock.c |2 +-
fs/gfs2/glock.h |1 -
2 files changed, 1 insertion(+), 2
Peter wrote:
Also the RT load-balance needs to become aware of such these sets, I
think Paul J and Steven once talked about it, but can't quite remember
where that ended
See further the thread:
http://lkml.org/lkml/2007/10/22/400
(I don't remember where it ended up either; probably
Today I noticed that a new field cropped up in /proc/stat. The git patch
that made it is 5e84cfde51cf303d368fcb48f22059f37b3872de. I hope the
following description is adequately accurate. I tried to keep it short.
Signed-Off-By: Andrew P [EMAIL PROTECTED]
diff -aur
Amend the ibmpex driver to report system energy consumption data.
Signed-off-by: Darrick J. Wong [EMAIL PROTECTED]
---
drivers/hwmon/ibmpex.c | 135 +---
1 files changed, 127 insertions(+), 8 deletions(-)
diff --git a/drivers/hwmon/ibmpex.c
Peter wrote:
Thanks for the link. Yes I think your last suggestion of creating
rt-domains ( http://lkml.org/lkml/2007/10/23/419 ) is a good one.
We now have a per-cpuset Boolean flag file called 'sched_load_balance'.
In the default case, this flag is set on, and the kernel does its
usual load
On Mon, Jan 28, 2008 at 02:17:37AM -0600, Rob Landley wrote:
The 2.6.23 kernel built for mips with the attached .config works fine for me
under qemu (both big endian and little endian), but a 2.6.24 mips kernel
segfaults initializing the ne2k driver (again when run under qemu).
I've
Use set_irq_noprobe() to mark all MIPS interrupts as non-probe. Override
that default for i8259 interrupts.
Signed-off-by: Ralf Baechle [EMAIL PROTECTED]
arch/mips/kernel/i8259.c |4 +++-
arch/mips/kernel/irq.c |5 +
2 files changed, 8 insertions(+), 1 deletion(-)
Index:
Probing non-ISA interrupts using the handle_percpu_irq as their handle_irq
method may crash the system because handle_percpu_irq does not check
IRQ_WAITING. This for example hits the MIPS Qemu configuration.
This patch provides two helper functions set_irq_noprobe and set_irq_probe
to set rsp.
Hi there!
I'm a student of Computer Science at the University La Sapienza in
Rome. As a student of Operating Systems I was particularly impressed by
the last scheduler introduced into Linux 2.6.23, CFS.
I've read a bit of documentation on-line but yet I can't find a complete
analisys of the
Here I go, talking to myself..
On Tue, 2008-01-29 at 10:53 +0100, Peter Zijlstra wrote:
My thoughts were to make stronger use of disjoint cpu-sets. cgroups and
cpusets are related, in that cpusets provide a property to a cgroup.
However, load_balance_monitor()'s interaction with sched
On Tue, 2008-01-29 at 04:01 -0600, Paul Jackson wrote:
Peter wrote:
Also the RT load-balance needs to become aware of such these sets, I
think Paul J and Steven once talked about it, but can't quite remember
where that ended
See further the thread:
vatsa wrote to Peter:
After reading your explanation in the other mail abt what you mean here,
I agree.
Ah good - glad someone understood that.
--
I won't rest till it's the best ...
Programmer, Linux Scalability
Paul Jackson [EMAIL
On Tue, Jan 29, 2008 at 11:57:22AM +0100, Peter Zijlstra wrote:
On Tue, 2008-01-29 at 10:53 +0100, Peter Zijlstra wrote:
My thoughts were to make stronger use of disjoint cpu-sets. cgroups and
cpusets are related, in that cpusets provide a property to a cgroup.
However,
Greg KH wrote:
On Mon, Jan 28, 2008 at 09:49:35PM +0100, Jens Axboe wrote:
Hi,
Running latest -git (head 91525300baf162e83e923b09ca286f9205e21522) and
connecting my cf usb storage device yields and endless stream of:
Initializing USB Mass Storage driver...
scsi6 : SCSI emulation for USB
Peter, replying to Paul:
3) you turn off sched_load_balance in that realtime cpuset.
Ah, I don't think 3 is needed. Quite to the contrary, there is quite a
large body of research work covering the scheduling of (hard and soft)
realtime tasks on multiple cpus.
Well, the way it's coded now,
On Mon, 28 Jan 2008, Matthew Wilcox wrote:
I'd like you to pull the task_killable branch of
git://git.kernel.org/pub/scm/linux/kernel/git/willy/misc.git
Well, Andrew already pointed out some of this, but I do want more
information. There's a git request-pull script that even comes with
At Mon, 28 Jan 2008 17:31:00 -0800,
Jason Gaston wrote:
This patch adds the Intel ICH10 HD Audio Controller DeviceID's.
Signed-off-by: Jason Gaston [EMAIL PROTECTED]
Thanks, applied to ALSA tree now.
Takashi
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On (27/01/08 15:54), KOSAKI Motohiro didst pronounce:
Hi Mel
my patch stack is
2.6.24-rc7 +
http://lkml.org/lkml/2007/8/24/220 +
Can you replace this patch with the patch below instead and try again
please? This is the patch that is actually in git-x86. Out of
curiousity,
On Tue, 2008-01-29 at 05:53 -0600, Paul Jackson wrote:
Peter wrote;
So, I don't think we need that, I think we can do with the single flag,
we just need to find these disjoint sets and stick our rt-domain there.
Ah - perhaps you don't need that flag - but my other cpuset users do ;).
Thanks. I am aware of these issues and we already have a pretty capable
layer to deal with these issues (unfortunately, it was very necessary).
My problem is not with the data carried by the IOCTL, but with IOCTL
command code itself, which comes out wrong on the kernel side. And my
problem is
On Tue, Jan 29, 2008 at 04:10:58PM +0530, Abhishek Sagar wrote:
On 1/29/08, Ananth N Mavinakayanahalli [EMAIL PROTECTED] wrote:
Non kprobe breakpoints in the kernel might lie inside the .kprobes.text
section. Such breakpoints can easily be identified by
in_kprobes_functions and can be
Am Dienstag, 29. Januar 2008 15:11:08 schrieb Jens Axboe:
On Tue, Jan 29 2008, Boaz Harrosh wrote:
On Tue, Jan 29 2008 at 15:54 +0200, Jens Axboe [EMAIL PROTECTED] wrote:
On Tue, Jan 29 2008, Boaz Harrosh wrote:
Greg KH wrote:
No difference, still just a lot of resets.
Where
Hi,
Would you like me to take these two GFS2 patches into my git tree for
the next merge window, or are you intending that these should go to
Linus in this merge window? Either way I'm happy to add my:
Signed-off-by: Steven Whitehouse [EMAIL PROTECTED]
Steve.
On Tue, 2008-01-29 at 16:55 +0300,
Josh Boyer wrote:
On Wed, 23 Jan 2008 23:37:33 +0100
Roel Kluin [EMAIL PROTECTED] wrote:
logical/bitand typo
Signed-off-by: Roel Kluin [EMAIL PROTECTED]
---
diff --git a/arch/powerpc/boot/4xx.c b/arch/powerpc/boot/4xx.c
index ebf9e21..dcfb459 100644
--- a/arch/powerpc/boot/4xx.c
+++
Hi,
Sorry for the late reply, I was off for a few days.
Saddly, I never reproduced the bug.
I moved my main machine to an older kernel and let a virtual machine track down
the bug,
but it never appeared again --- possibly because of the simpler hardwares.
And just as you say, I also think
On Tue, 29 Jan 2008 09:15:02 -0500
Tony Camuso [EMAIL PROTECTED] wrote:
Greg KH wrote:
On Mon, Jan 28, 2008 at 08:18:04PM -0700, Matthew Wilcox wrote:
I'm more optimistic because we've so severely restricted the use of
mmconf after these patches that it's unlikely to cause problems.
I
On Mon, 2008-01-28 at 22:12 +0100, Rene Herman wrote:
On 28-01-08 20:12, Thomas Renninger wrote:
This was more a step backward, hopefully this one (on top), gets the
area bugfree?
I'm afraid not. Next oops in pnp_check_port(). The attached lets it get past
that point but _then_ things
The ia64 has its own sys_ptrace implementation and it was
overlooked when the pid namespaces patches were sent.
Use find_task_by_vpid() in it.
Signed-off-by: Pavel Emelyanov [EMAIL PROTECTED]
---
arch/ia64/kernel/ptrace.c |2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git
The function is question gets the pid from sysctl table,
so this one is a virtual pid, i.e. the pid of a task as it
is seen from inside a namespace.
So the find_task_by_vpid() must be used here.
Signed-off-by: Pavel Emelyanov [EMAIL PROTECTED]
---
arch/frv/mm/mmu-context.c |2 +-
1 files
On Mon, Jan 28, 2008 at 12:28:41PM -0800, Christoph Lameter wrote:
+struct mmu_notifier_head {
+ struct hlist_head head;
+};
+
struct mm_struct {
struct vm_area_struct * mmap; /* list of VMAs */
struct rb_root mm_rb;
@@ -219,6 +223,8 @@ struct mm_struct {
From: Ram Pai [EMAIL PROTECTED]
/proc/mounts in its current state fails to disambiguate bind mounts,
especially when the bind mount is subrooted. Also it does not capture
propagation state of the mounts(shared-subtree). The following patch
addresses the problem.
The patch adds
As of the October 2007 kernel/cpuset.c patch Memoryless nodes:
Use N_HIGH_MEMORY for cpusets, cpuset nodes are relative to
the nodes with (HIGH) memory, not relative to all nodes in
node_online_map.
Signed-off-by: Paul Jackson [EMAIL PROTECTED]
Acked-by: Cliff Wickman [EMAIL PROTECTED]
---
On Tue, Jan 29, 2008 at 10:01:45PM +0800, Nai Xia wrote:
Build environment: debian sid, gcc-4.2.3, i386.
The bug is in lately git-pull from
git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6.git
And it can be reproduced very easily on a machine with normal cdroms.
It
On Tue, Jan 29, 2008 at 7:12 AM, in message
[EMAIL PROTECTED], Paul Jackson [EMAIL PROTECTED] wrote:
Peter, replying to Paul:
3) you turn off sched_load_balance in that realtime cpuset.
Ah, I don't think 3 is needed. Quite to the contrary, there is quite a
large body of research work
On Jan 29, 2008 6:47 AM, Srivatsa Vaddagiri [EMAIL PROTECTED] wrote:
IMHO this is expected results and if someone really needs to cut down
this latency, they can reduce sysctl_sched_latency (which will be bad
from perf standpoint, as we will cause more cache thrashing with that).
Thank you
As slight change here, I was going to use the same .config as 2.6.24-rc8, but
just discovered that neither rc8 nor final is finding the drivers for my
If it is not finding a driver that is nothing to do with libata. It means
it's not being loaded by the distribution, or the distribution kernel
From: Miklos Szeredi [EMAIL PROTECTED]
Register NFS' backing_dev_info under sysfs with the name
nfs-MAJOR:MINOR
Signed-off-by: Miklos Szeredi [EMAIL PROTECTED]
CC: Peter Zijlstra [EMAIL PROTECTED]
CC: Trond Myklebust [EMAIL PROTECTED]
---
Index: linux/fs/nfs/super.c
From: Peter Zijlstra [EMAIL PROTECTED]
Penalizing heavy dirtiers with 1/8-th the total dirty limit might be rather
excessive on large memory machines. Use sqrt to scale it sub-linearly.
Update the comment while we're there.
Signed-off-by: Peter Zijlstra [EMAIL PROTECTED]
Signed-off-by: Miklos
From: Miklos Szeredi [EMAIL PROTECTED]
Register FUSE's backing_dev_info under sysfs with the name
fuse-MAJOR:MINOR
Make the fuse control filesystem use s_dev instead of a fuse specific
ID. This makes it easier to match directories under
/sys/fs/fuse/connections/ with directories under
From: Peter Zijlstra [EMAIL PROTECTED]
Provide a place in sysfs (/sys/class/bdi) for the backing_dev_info
object. This allows us to see and set the various BDI specific
variables.
In particular this properly exposes the read-ahead window for all
relevant users and
On Tue, Jan 29, 2008 at 02:15:15PM +0200, Boaz Harrosh wrote:
Greg KH wrote:
On Mon, Jan 28, 2008 at 09:49:35PM +0100, Jens Axboe wrote:
Hi,
Running latest -git (head 91525300baf162e83e923b09ca286f9205e21522) and
connecting my cf usb storage device yields and endless stream of:
Sorry for the late notice - I hit the original issue with this code,
and I tested the *first* patch, which addressed my immediate problem, but
didn't test the subsequent flurry of better patches due to time issues
here.
I back up my laptop by doing one or more 'dump' commands into a $STAGE
Gregory wrote:
This is correct. We have the balance policy polymorphically associated
with each sched_class, and the CFS load-balancer and RT load (really,
priority) balancer can coexist together at the same time and across
arbitrary #s of cores
So ... we have the option of having all
Gene Heskett writes:
On Tuesday 29 January 2008, Alan Cox wrote:
As slight change here, I was going to use the same .config as 2.6.24-rc8,
but just discovered that neither rc8 nor final is finding the drivers for
my
If it is not finding a driver that is nothing to do with libata.
On Tue, Jan 29, 2008 at 11:28 AM, in message
[EMAIL PROTECTED], Paul Jackson [EMAIL PROTECTED] wrote:
Gregory wrote:
I am a bit confused as to why you disable load-balancing in the
RT cpuset? It shouldn't be strictly necessary in order for the
RT scheduler to do its job (unless I am
On Tue, 29 Jan 2008 07:08:25 -0600
Serge E. Hallyn [EMAIL PROTECTED] wrote:
Quoting James Morris ([EMAIL PROTECTED]):
On Mon, 28 Jan 2008, Matt LaPlante wrote:
On Thu, 24 Jan 2008 19:12:01 -0600
Matt LaPlante [EMAIL PROTECTED] wrote:
I'm doing a make oldconfig with the
Narrow the scope of callback_mutex in scan_for_empty_cpusets().
Avoid rewriting the cpus, mems of cpusets except when it is
likely that we'll be changing them.
Have remove_tasks_in_empty_cpuset() also check for empty mems.
Signed-off-by: Paul Jackson [EMAIL PROTECTED]
With CONFIG_PREEMPT_RCU read_lock(tasklist_lock) doesn't imply rcu_read_lock(),
but find_pid_ns()-hlist_for_each_entry_rcu() should be safe under tasklist.
Usually it is, detach_pid() is always called under write_lock(tasklist_lock),
but copy_process() calls free_pid() lockless.
#ifdef
On Tue, 2008-01-29 at 10:36 -0500, Alan Stern wrote:
On Tue, 29 Jan 2008, Boaz Harrosh wrote:
--- a/drivers/usb/storage/transport.c
+++ b/drivers/usb/storage/transport.c
@@ -462,18 +462,24 @@ static int usb_stor_bulk_transfer_sglist(struct
us_data *us, unsigned int pipe,
* Common
What is the status of getting invalidate_all adjusted to indicate a need
to also call _release?
Thanks,
Robin
On Mon, Jan 28, 2008 at 12:28:46PM -0800, Christoph Lameter wrote:
when a task exits we can remove all external pts at once. At that point the
extern mmu may also unregister itself
On Monday 28 January 2008 10:51:24 pm David Miller wrote:
From: Paul Moore [EMAIL PROTECTED]
Date: Mon, 28 Jan 2008 21:20:26 -0500
As pointed out by Adrian Bunk, commit
45c950e0f839fded922ebc0bfd59b1081cc71b70 caused a double-free when
security_netlbl_sid_to_secattr() fails. This patch
On Sun, Jan 27, 2008 at 03:53:34PM +0100, Marcin Slusarz wrote:
Hi
My box is locking up on start of X.org so I enabled netconsole
and at every boot I'm getting:
(...)
I'm on latest git (326e96b92306b7af24a3608ec01156cba17a3fc1: printk: revert
ktime_get() timestamps).
If you want more
El mar. 29 de ene. de 2008, a las 00:11:01 +0200, Adrian Bunk escribió:
stk_camera_cleanup() can become static.
Signed-off-by: Adrian Bunk [EMAIL PROTECTED]
Acked-by: Jaime Velasco Juan [EMAIL PROTECTED]
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El mar. 29 de ene. de 2008, a las 00:10:58 +0200, Adrian Bunk escribió:
This patch makes the following needlessly global functions static:
- stk_sensor_outb()
- stk_sensor_inb()
Signed-off-by: Adrian Bunk [EMAIL PROTECTED]
Acked-by: Jaime Velasco Juan [EMAIL PROTECTED]
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On Tue, 2008-01-29 at 16:49 +0100, Miklos Szeredi wrote:
This is a series from Peter Zijlstra, with various updates by me. The
patchset mostly deals with exporting BDI attributes in sysfs.
Should be in a mergeable state, at least into -mm.
Thanks for picking these up Miklos!
While they do
The lock field in plist_head_init() is used for debugging the plist,
and if a NULL is sent in it spews constant errors with debugging enabled ..
So I added what looks like the correct spinlocks into the plist_head_init().
Signed-off-by: Daniel Walker [EMAIL PROTECTED]
---
kernel/workqueue.c |
I apologize again for the long delay in responding with the requested
additional data needed to understand the performance of this patch.
The complete information is available at:
http://www.cs.utexas.edu/~porterde/kernel-patch.html#subsequent
I instrumented the kernel within simics to determine
On Tuesday 29 January 2008, Mikael Pettersson wrote:
Gene Heskett writes:
On Tuesday 29 January 2008, Alan Cox wrote:
As slight change here, I was going to use the same .config as
2.6.24-rc8, but just discovered that neither rc8 nor final is finding
the drivers for my
If it is not
Hardware: IBM Thinkpad T30, Thinkpad Dock (Model 2631).
When attempting to dock, the following oops occurs. The tainting is from the
Atheros driver's non-free HAL. (I'm eagerly awaiting ath5k's inclusion.)
Docking worked in 2.6.23 and earlier with the out-of-tree lt_hotswap module.
I'm getting the following in the latest -git:
-- snip --
...
WARNING: arch/x86/kernel/built-in.o(.exit.text+0x1db): Section mismatch in
reference from the function msr_exit() to the variable
.cpuinit.data:msr_class_cpu_notifier
...
-- snip --
That's obviously a false positive
Gene Heskett wrote:
Does anyone know why my dvdwriter isn't being assigned a '/dev/sdx' number
when dmesg says its found ok at ata2.00? I've turned on an option that says
something about using the bios for device access this build, but I'll be
surprised if that's it. :)
I think you mean
Mark Lord wrote:
Gene Heskett wrote:
..
Does anyone know why my dvdwriter isn't being assigned a '/dev/sdx'
number when dmesg says its found ok at ata2.00? I've turned on an
option that says something about using the bios for device access
this build, but I'll be surprised if that's it. :)
On Tuesday 29 January 2008, Mark Lord wrote:
Gene Heskett wrote:
..
Does anyone know why my dvdwriter isn't being assigned a '/dev/sdx' number
when dmesg says its found ok at ata2.00? I've turned on an option that
says something about using the bios for device access this build, but I'll
be
I am going to seperate my comments into individual replies to help
reduce the chance they are lost.
+void mmu_notifier_release(struct mm_struct *mm)
...
+ hlist_for_each_entry_safe_rcu(mn, n, t,
+ mm-mmu_notifier.head, hlist) {
+
On Tue, Jan 29, 2008 at 6:50 AM, in message
[EMAIL PROTECTED], Peter Zijlstra [EMAIL PROTECTED]
wrote:
On Tue, 2008-01-29 at 05:30 -0600, Paul Jackson wrote:
Peter wrote, in reply to Peter ;):
[ It looks to me it balances a group over the largest SD the current cpu
has access to,
On Tue, Jan 29 2008 at 17:36 +0200, Alan Stern [EMAIL PROTECTED] wrote:
On Tue, 29 Jan 2008, Boaz Harrosh wrote:
--- a/drivers/usb/storage/transport.c
+++ b/drivers/usb/storage/transport.c
@@ -462,18 +462,24 @@ static int usb_stor_bulk_transfer_sglist(struct
us_data *us, unsigned int pipe,
On Tue, Jan 29 2008 at 16:31 +0200, Oliver Neukum [EMAIL PROTECTED] wrote:
Am Dienstag, 29. Januar 2008 15:11:08 schrieb Jens Axboe:
On Tue, Jan 29 2008, Boaz Harrosh wrote:
On Tue, Jan 29 2008 at 15:54 +0200, Jens Axboe [EMAIL PROTECTED] wrote:
On Tue, Jan 29 2008, Boaz Harrosh wrote:
Greg
From: Peter Zijlstra [EMAIL PROTECTED]
Add min_ratio to /sys/class/bdi. This indicates the minimum
percentage of the global dirty threshold allocated to this bdi.
[EMAIL PROTECTED]
- fix parsing in min_ratio_store()
- document new sysfs attribute
Signed-off-by: Peter Zijlstra [EMAIL
This is a series from Peter Zijlstra, with various updates by me. The
patchset mostly deals with exporting BDI attributes in sysfs.
Should be in a mergeable state, at least into -mm.
--
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the body of a message to [EMAIL
Gene Heskett wrote:
..
Does anyone know why my dvdwriter isn't being assigned a '/dev/sdx' number
when dmesg says its found ok at ata2.00? I've turned on an option that says
something about using the bios for device access this build, but I'll be
surprised if that's it. :)
..
It should
Hi Pavel/Vitaliy,
Pavel Emelyanov [EMAIL PROTECTED] wrote on 01/24/2008 03:29:01 PM:
Rishikesh K. Rajak wrote:
Hi All,
Today i ran full LTP on kernel 2.6.24-rc6 inside container-init and
also
on parent namespace and got some observations.
Here is the machine information:
Hi,
Here is a patchset about the IPC, which proposes to consolidate some
part of the existing code and to add some functionalities.
* Patches 1 to 8 don't change the existing behavior, but propose to rewrite
some parts of the existing code. In fact, the three kinds of IPC (semaphores,
Greg Freemyer wrote:
On Jan 28, 2008 3:43 PM, Mark Lord [EMAIL PROTECTED] wrote:
Gene Heskett wrote:
On Monday 28 January 2008, Mark Lord wrote:
..
Another way is to use the make_bad_sector utility that
is included in the source tarball for hdparm-7.7, as follows:
make_bad_sector
From: Pierre Peiffer [EMAIL PROTECTED]
Currently, sys_msgctl is not easy to read.
This patch tries to improve that by introducing the msgctl_down function
to handle all commands requiring the rwmutex to be taken in write mode
(ie IPC_SET and IPC_RMID for now). It is the equivalent function of
From: Pierre Peiffer [EMAIL PROTECTED]
semctl_down is called with the rwmutex (the one which protects the
list of ipcs) taken in write mode.
This patch moves this rwmutex taken in write-mode inside semctl_down.
This has the advantages of reducing a little bit the window during
which this rwmutex
From: Pierre Peiffer [EMAIL PROTECTED]
semctl_down() takes one unused parameter: semnum.
This patch proposes to get rid of it.
Signed-off-by: Pierre Peiffer [EMAIL PROTECTED]
Acked-by: Serge Hallyn [EMAIL PROTECTED]
---
ipc/sem.c |6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
From: Pierre Peiffer [EMAIL PROTECTED]
The IPC_SET command performs the same permission setting for all IPCs.
This patch introduces a common ipc_update_perm() function to update these
permissions and makes use of it for all IPCs.
Signed-off-by: Pierre Peiffer [EMAIL PROTECTED]
Acked-by: Serge
[
Paul, you had your Signed-off-by in the RT patch, so I attached it here
too
]
The PREEMPT-RCU can get stuck if a CPU goes idle and NO_HZ is set. The
idle CPU will not progress the RCU through its grace period and a
synchronize_rcu my get stuck. Without this patch I have a box that will
not
From: Pierre Peiffer [EMAIL PROTECTED]
This patch provides three new API to change the ID of an existing
System V IPCs.
These APIs are:
long msg_chid(struct ipc_namespace *ns, int id, int newid);
long sem_chid(struct ipc_namespace *ns, int id, int newid);
long
Gregory wrote:
I am a bit confused as to why you disable load-balancing in the
RT cpuset? It shouldn't be strictly necessary in order for the
RT scheduler to do its job (unless I am misunderstanding what you
are trying to accomplish?). Do you do this because you *have*
to in order
On Mon, Jan 28, 2008 at 12:28:42PM -0800, Christoph Lameter wrote:
Index: linux-2.6/mm/fremap.c
===
--- linux-2.6.orig/mm/fremap.c2008-01-25 19:31:05.0 -0800
+++ linux-2.6/mm/fremap.c 2008-01-25
From: Pierre Peiffer [EMAIL PROTECTED]
In order to modify the semundo-list of a task from procfs, we must be able to
work on any target task.
But all the existing code playing with the semundo-list, currently works
only on the 'current' task, and does not allow to specify any target task.
This
From: Pierre Peiffer [EMAIL PROTECTED]
Today, the sem_undo_list is freed when the last task using it exits.
There is no mechanism in place, that allows a safe concurrent access to
the sem_undo_list of a target task and protects efficiently against a
task-exit.
That is okay for now as we don't
From: Pierre Peiffer [EMAIL PROTECTED]
This patch adds a new procfs interface to display the per-process semundo
data.
A new per-PID file is added, named semundo.
It contains one line per semaphore IPC where there is something to undo for
this process.
Then, each line contains the semid followed
Arjan van de Ven wrote:
On Tue, 29 Jan 2008 10:15:45 -0500
Tony Camuso [EMAIL PROTECTED] wrote:
specific to legacy x86 hardware is, IMNSHO, a kludge.
in addition to pci_enable(), pci_enable_msi(), pci_enable_busmaster() they
already need to do
to enable various features?
These calls
From: Pierre Peiffer [EMAIL PROTECTED]
This patch adds the write operation to the semundo file.
This write operation allows root to add or update the semundo list and
their values for a given process.
The user must provide some lines, each containing the semaphores ID
followed by the semaphores
On Tue, 2008-01-29 at 05:28 +0100, Andi Kleen wrote:
The ideal solution would be to do mapping against a different struct
device for each port, so that we could maintain the proper DMA mask for
each of them at all times. However I'm not sure if that's possible.
I cannot imagine why it
On Tue, 29 Jan 2008 10:15:45 -0500
Tony Camuso [EMAIL PROTECTED] wrote:
Arjan van de Ven wrote:
On Tue, 29 Jan 2008 09:15:02 -0500
Tony Camuso [EMAIL PROTECTED] wrote:
Greg,
The problem with Arjan's patch, if I understand it correctly, is
that it requires drivers to make a call to
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