Re: vmstat: use our own timer events

2007-04-30 Thread Christoph Lameter
On Mon, 30 Apr 2007, Arjan van de Ven wrote: Well the cache_reaper of SLAB hits hard todays anyways. This will help if they switch to slub because the counter consolidation is much lighter weight. it's not about the weight. It's about waking up *at all*. I've been working really hard to

[2/6] add config option to vmalloc stacks (was: Re: [-mm patch] i386: enable 4k stacks by default)

2007-04-30 Thread William Lee Irwin III
On Mon, Apr 30, 2007 at 10:38:19AM -0700, William Lee Irwin III wrote: Here's what I did for i386 for someone concerned about blowing the stack. Add a config option to vmalloc() task stacks so that stack overflows are detected without fail, and with a fatal failure mode at that. Signed-off-by:

Re: Please revert [PATCH] user of the jiffies rounding patch: Slab

2007-04-30 Thread Christoph Lameter
On Sat, 28 Apr 2007, Arjan van de Ven wrote: Hmmm... Yes but that looks like it comes from a different function. Slab calls __round_jiffies_relative(HZ, cpu)) And its description says: /** * * The exact rounding is skewed for each processor to avoid all * processors

[1/6] make stack size configurable (was: Re: [-mm patch] i386: enable 4k stacks by default)

2007-04-30 Thread William Lee Irwin III
On Mon, Apr 30, 2007 at 10:38:19AM -0700, William Lee Irwin III wrote: Here's what I did for i386 for someone concerned about blowing the stack. Make more stack sizes configurable, adding options for deeper stacks. This is largely for differential diagnosis in cases where stack overflows are

[3/6] make IRQ stacks independently configurable (was: Re: [-mm patch] i386: enable 4k stacks by default)

2007-04-30 Thread William Lee Irwin III
On Mon, Apr 30, 2007 at 10:38:19AM -0700, William Lee Irwin III wrote: Here's what I did for i386 for someone concerned about blowing the stack. Divorce IRQ stack configuration from CONFIG_4KSTACKS, as it's believed to be an important safety measure regardless of stack size by some users.

Revert [POWERPC] various

2007-04-30 Thread Simon Arlott
There are a few powerpc patches plus reverts in the recent push to torvalds/linux-2.6 - shouldn't this be avoided whenever possible because it could cause problems for people trying to use git bisect? -- Simon Arlott - To unsubscribe from this list: send the line unsubscribe linux-kernel in

[4/6] go BUG on vmallocspace in __pa() (was: Re: [-mm patch] i386: enable 4k stacks by default)

2007-04-30 Thread William Lee Irwin III
On Mon, Apr 30, 2007 at 10:38:19AM -0700, William Lee Irwin III wrote: Here's what I did for i386 for someone concerned about blowing the stack. Add checks to __pa() so it goes BUG() on vmallocspace addresses. Signed-off-by: William Irwin [EMAIL PROTECTED] Index:

Re: 2.6.21-ext4-1

2007-04-30 Thread Theodore Tso
On Mon, Apr 30, 2007 at 01:16:19PM -0400, Jeff Garzik wrote: Why isn't this stuff going upstream rapidly? Some of the patches are ready to be pushed upstream, and that will be happening shortly. In the case of the fallocate patches, the system call interface hadn't been completely closed, so we

[5/6] dynamically allocate IRQ stacks (was: Re: [-mm patch] i386: enable 4k stacks by default)

2007-04-30 Thread William Lee Irwin III
On Mon, Apr 30, 2007 at 10:38:19AM -0700, William Lee Irwin III wrote: Here's what I did for i386 for someone concerned about blowing the stack. Fix up the conflict between IRQ stacks and deep stacks by dynamically allocating IRQ stacks. Signed-off-by: William Irwin [EMAIL PROTECTED] Index:

3d smoothness (was: Re: [patch] CFS scheduler, -v6)

2007-04-30 Thread Kasper Sandberg
On Sunday 29 April 2007 19:39, Ingo Molnar wrote: hi Kasper, i found an aspect of CFS that could cause the kind of 'stuttering' you described in such detail. I'm wondering whether you could try the attached -v8-rc1 patch ontop of the -v7 CFS patch - does it improve the 'games FPS' situation

[6/6] arrange for a guard page on cpu 0's IRQ stack (was: Re: [-mm patch] i386: enable 4k stacks by default)

2007-04-30 Thread William Lee Irwin III
On Mon, Apr 30, 2007 at 10:38:19AM -0700, William Lee Irwin III wrote: Here's what I did for i386 for someone concerned about blowing the stack. vmap() cpu 0's IRQ stack to ensure a guard page for it. Signed-off-by: William Irwin [EMAIL PROTECTED] Index: stack-paranoia/arch/i386/kernel/irq.c

Re: BAD_SG_DMA panic in aha1542

2007-04-30 Thread Jens Axboe
On Mon, Apr 30 2007, Christoph Hellwig wrote: On Mon, Apr 30, 2007 at 07:32:45PM +0200, Jens Axboe wrote: It's due to the crappy -generic_packet() ioctl stuff, it bypasses the block layer. So that needs to be converted to use block pc requests and the block layer interface, then things will

Re: [PATCH 0/9] Containers (V9): Generic Process Containers

2007-04-30 Thread Srivatsa Vaddagiri
On Mon, Apr 30, 2007 at 10:09:38AM -0700, Paul Menage wrote: Paul, is there any reason why we need to do a write_lock() on tasklist_lock if we're just trying to block fork, or is it just historical accident? Wouldn't it be fine to do a read_lock()? Good point ..read_lock() will probably

Re: 2.6.21-mm1: many processes end up in D state

2007-04-30 Thread Andrew Morton
On Mon, 30 Apr 2007 17:39:19 +0200 Jiri Slaby [EMAIL PROTECTED] wrote: Hi, I have a problem with higher disk loads (e.g. running git-log or yum update). Many processes end up in D state and system is unusable -- I'm not able to run anything but smooth mouse moving when this happens. If I

Re: [PATCH] Re: More than 2Gb problem (dvb related) ?

2007-04-30 Thread Jon Burgess
On Mon, 2007-04-30 at 18:52 +0200, Gregoire Favre wrote: On Sat, Apr 28, 2007 at 09:14:37PM +0100, Jon Burgess wrote: While the above patch works, it seems the underlying causes is that vmalloc_32() is providing memory above 4Gb on x86-64 which is not what the driver expects. This same

Re: [linux-dvb] Re: Critical points about kernel 2.6.21 and pseudo-authorities

2007-04-30 Thread Linus Torvalds
Uwe, you just made my kill-list. I've not actually done that in _years_. So you can feel proud. Your emails will get automatically filtered to their own (ignored) folder. I told you why, and you didn't seem to understand at all. Linus - To unsubscribe from this list: send the

Re: [linux-dvb] Re: Critical points about kernel 2.6.21 and pseudo-authorities

2007-04-30 Thread Uwe Bugla
Original-Nachricht Datum: Mon, 30 Apr 2007 11:04:36 -0700 (PDT) Von: Linus Torvalds [EMAIL PROTECTED] An: Uwe Bugla [EMAIL PROTECTED] CC: Mauro Carvalho Chehab [EMAIL PROTECTED], [EMAIL PROTECTED], [EMAIL PROTECTED], linux-kernel@vger.kernel.org, [EMAIL PROTECTED] Betreff: Re:

Re: [ckrm-tech] [PATCH 0/9] Containers (V9): Generic Process Containers

2007-04-30 Thread Srivatsa Vaddagiri
On Mon, Apr 30, 2007 at 06:23:52PM +0100, Christoph Hellwig wrote: Umm, no - please naje two versions with and without the lock. Ok this patch may not be necessary (given Paul's observation that read_lock will suffice in update_nodemask). Also Please fix up the codingstyle, the { belongs onto

Re: Linux 2.6.21

2007-04-30 Thread Adrian Bunk
On Sun, Apr 29, 2007 at 02:24:03PM -0700, Linus Torvalds wrote: On Sun, 29 Apr 2007, Adrian Bunk wrote: Kernel bugzilla has 1600 open bugs BECAUSE IT SUCKS. OK, how do you suggest to track bugs in a way that doesn't suck? I've tried to explain. Bugzilla can be one _part_ of

Re: Linux 2.6.21

2007-04-30 Thread Adrian Bunk
On Mon, Apr 30, 2007 at 12:01:38AM -0700, David Miller wrote: ... If bugs should be reported to the mailing list, then they should just get rid of bugzilla because it's aparently serving as a garbage bin. The first question is not Bugzilla but Does bug tracking make sense?. Many bug reports

Re: [1/6] make stack size configurable (was: Re: [-mm patch] i386: enable 4k stacks by default)

2007-04-30 Thread Christoph Hellwig
On Mon, Apr 30, 2007 at 10:40:47AM -0700, William Lee Irwin III wrote: On Mon, Apr 30, 2007 at 10:38:19AM -0700, William Lee Irwin III wrote: Here's what I did for i386 for someone concerned about blowing the stack. Make more stack sizes configurable, adding options for deeper stacks. This

Re: [2/6] add config option to vmalloc stacks (was: Re: [-mm patch] i386: enable 4k stacks by default)

2007-04-30 Thread Christoph Hellwig
On Mon, Apr 30, 2007 at 10:43:10AM -0700, William Lee Irwin III wrote: On Mon, Apr 30, 2007 at 10:38:19AM -0700, William Lee Irwin III wrote: Here's what I did for i386 for someone concerned about blowing the stack. Add a config option to vmalloc() task stacks so that stack overflows are

Re: [3/6] make IRQ stacks independently configurable (was: Re: [-mm patch] i386: enable 4k stacks by default)

2007-04-30 Thread Christoph Hellwig
On Mon, Apr 30, 2007 at 10:44:05AM -0700, William Lee Irwin III wrote: On Mon, Apr 30, 2007 at 10:38:19AM -0700, William Lee Irwin III wrote: Here's what I did for i386 for someone concerned about blowing the stack. Divorce IRQ stack configuration from CONFIG_4KSTACKS, as it's believed to

Re: [patch 27/32] xen: Add the Xen virtual network device driver.

2007-04-30 Thread Jeremy Fitzhardinge
Christoph Hellwig wrote: On Sun, Apr 29, 2007 at 10:29:02AM -0700, Jeremy Fitzhardinge wrote: +#include linux/version.h not needed. Yup. +#include xen/xenbus.h +#include xen/interface/io/netif.h +#include xen/interface/memory.h +#ifdef CONFIG_XEN_BALLOON +#include

Re: 2.6.21-mm1: many processes end up in D state

2007-04-30 Thread Jiri Slaby
On 4/30/07, Andrew Morton [EMAIL PROTECTED] wrote: On Mon, 30 Apr 2007 17:39:19 +0200 Jiri Slaby [EMAIL PROTECTED] wrote: Hi, I have a problem with higher disk loads (e.g. running git-log or yum update). Many processes end up in D state and system is unusable -- I'm not able to run

Re: [linux-dvb] Re: Critical points about kernel 2.6.21 and pseudo-authorities

2007-04-30 Thread Andrew Morton
On Mon, 30 Apr 2007 19:25:47 +0200 Uwe Bugla [EMAIL PROTECTED] wrote: I did not manage to at least find one single unresolved module during compilation, and I have been working with this almost fantastic solution with several kernels for months now! That isn't what Mauro is saying. What he

Re: [1/6] make stack size configurable (was: Re: [-mm patch] i386: enable 4k stacks by default)

2007-04-30 Thread William Lee Irwin III
On Mon, Apr 30, 2007 at 10:40:47AM -0700, William Lee Irwin III wrote: Make more stack sizes configurable, adding options for deeper stacks. This is largely for differential diagnosis in cases where stack overflows are suspected of silently corrupting memory or causing other problems not

Re: [3/6] make IRQ stacks independently configurable (was: Re: [-mm patch] i386: enable 4k stacks by default)

2007-04-30 Thread William Lee Irwin III
On Mon, Apr 30, 2007 at 10:44:05AM -0700, William Lee Irwin III wrote: Divorce IRQ stack configuration from CONFIG_4KSTACKS, as it's believed to be an important safety measure regardless of stack size by some users. On Mon, Apr 30, 2007 at 07:11:24PM +0100, Christoph Hellwig wrote: We should

Re: [PATCH] 9p: create separate 9p client interface

2007-04-30 Thread Jan Engelhardt
On Apr 30 2007 09:32, Latchesar Ionkov wrote: Hi! --- a/fs/9p/Makefile +++ b/fs/9p/Makefile @@ -3,8 +3,8 @@ obj-$(CONFIG_9P_FS) := 9p.o 9p-objs := \ trans_fd.o \ mux.o \ - fcall.o \ conv.o \ + clnt.o \ Do you pay by the letter, or why is not the source file called

Re: Linux 2.6.21

2007-04-30 Thread Linus Torvalds
On Mon, 30 Apr 2007, Adrian Bunk wrote: My ideal was always that reported bugs should be fixed. ..and this is where we differ. OF COURSE bugs should be fixed. But you seem to think that there is something magical and special about every single bug-report. You have a new home assignment:

Re: 2.6.21-rc7-mm2 crash: Eeek! page_mapcount(page) went negative! (-1)

2007-04-30 Thread Andrew Morton
On Mon, 30 Apr 2007 19:17:02 +0200 Tilman Schmidt [EMAIL PROTECTED] wrote: With kernel 2.6.21-rc7-mm2, my Dell Optiplex GX110 (P3/933) regularly crashes during the SuSE 10.1 startup sequence. When booting to RL5, it panicblinks shortly after the graphical login screen appears. Booting to

Re: [PATCH] 9p: create separate 9p client interface

2007-04-30 Thread Latchesar Ionkov
On 4/30/07, Jan Engelhardt [EMAIL PROTECTED] wrote: On Apr 30 2007 09:32, Latchesar Ionkov wrote: Hi! --- a/fs/9p/Makefile +++ b/fs/9p/Makefile @@ -3,8 +3,8 @@ obj-$(CONFIG_9P_FS) := 9p.o 9p-objs := \ trans_fd.o \ mux.o \ - fcall.o \ conv.o \ + clnt.o \ Do you pay by

Re: condingstyle, was Re: utrace comments

2007-04-30 Thread Jan Engelhardt
On Apr 30 2007 10:09, Andrew Morton wrote: This is if (expr1 expr2) versus if (expr1 expr2) the former is more common and is, IMO, more readable. The latter can be handy sometimes to prevent an 80-col overflow in the first line. But reads like

Re: [PATCH] i386: introduce voyager smp_ops, fix voyager build

2007-04-30 Thread James Bottomley
On Sat, 2007-04-28 at 10:22 -0700, Jeremy Fitzhardinge wrote: This adds an smp_ops for voyager, and hooks things up appropriately. This is the first baby-step to making subarch runtime switchable. This sort of works, but there's something strange going on with it and andi's entire series. It

Re: [1/6] make stack size configurable (was: Re: [-mm patch] i386: enable 4k stacks by default)

2007-04-30 Thread Adrian Bunk
On Mon, Apr 30, 2007 at 10:40:47AM -0700, William Lee Irwin III wrote: On Mon, Apr 30, 2007 at 10:38:19AM -0700, William Lee Irwin III wrote: Here's what I did for i386 for someone concerned about blowing the stack. Make more stack sizes configurable, adding options for deeper stacks. This

Re: ACPI build problem (2.6.21 CONFIG_X86_64_ACPI_NUMA)

2007-04-30 Thread Ravikiran G Thirumalai
On Sat, Apr 28, 2007 at 01:59:46AM -0400, Len Brown wrote: On Thursday 26 April 2007 09:26, you wrote: ... CONFIG_ACPI depends on CONFIG_PM, yet this build fails because you have CONFIG_ACPI=y and CONFIG_PM=n Unfortunately kconfig doesn't trace dependencies when select is used, making

Re: Linux 2.6.21

2007-04-30 Thread Borislav Petkov
On Sat, Apr 28, 2007 at 09:53:20PM +0200, Adrian Bunk wrote: On Thu, Apr 26, 2007 at 02:13:08PM -0700, Linus Torvalds wrote: ... (I've said this before, but I'll say it again: one thing that would already make bugzilla better is to just always drop any bug reports that are more than a

Re: [PATCH] i386: init early_gdt_descr and idle task properly on voyager

2007-04-30 Thread James Bottomley
On Sat, 2007-04-28 at 17:21 -0700, Jeremy Fitzhardinge wrote: Initialize early_gdt_descr and idle task properly. [ Incremental fix for i386: introduce voyager smp_ops, fix voyager build ] Still not quite enough. this is what I need to complete the build: James Index:

Re: Linux 2.6.21

2007-04-30 Thread Linus Torvalds
On Mon, 30 Apr 2007, Linus Torvalds wrote: Ponder that, grasshopper. And until you can see that things are not either-or, black-and-white, all or nothing, I don't think I really can have anything worthwhile to add in this discussion to you. People who think in absolutes are simply not

Re: [linux-dvb] Re: Critical points about kernel 2.6.21 and pseudo-authorities

2007-04-30 Thread Uwe Bugla
Original-Nachricht Datum: Mon, 30 Apr 2007 11:14:14 -0700 Von: Andrew Morton [EMAIL PROTECTED] An: Uwe Bugla [EMAIL PROTECTED] CC: Mauro Carvalho Chehab [EMAIL PROTECTED], [EMAIL PROTECTED], [EMAIL PROTECTED], linux-kernel@vger.kernel.org, [EMAIL PROTECTED] Betreff: Re:

Re: [-mm patch] i386: enable 4k stacks by default

2007-04-30 Thread Jan Engelhardt
On Apr 30 2007 10:38, William Lee Irwin III wrote: static char softirq_stack[NR_CPUS * THREAD_SIZE] __attribute__((__aligned__(THREAD_SIZE))); static char hardirq_stack[NR_CPUS * THREAD_SIZE] __attribute__((__aligned__(THREAD_SIZE))); With 8K stacks and

Re: [patch] CFS scheduler, -v7

2007-04-30 Thread Balbir Singh
Ingo Molnar wrote: i'm pleased to announce release -v7 of the CFS scheduler patchset. (The main goal of CFS is to implement desktop scheduling with as high quality as technically possible.) The CFS patch against v2.6.21 (or against v2.6.20.8) can be downloaded from the usual place:

Slanging Lunx 2.6.21 (Was Linux 2.6.21)

2007-04-30 Thread Roger While
I would ask Linus and the list maintainers to stop the main thread. When Linus posts a release, then I expect that threads pertain to this release and not start some sort of flame war. If I have a problem with 2.6.21 (or any 2.x.x), I do not expect to have to go through 100+ mails to see if a

Re: [1/6] make stack size configurable (was: Re: [-mm patch] i386: enable 4k stacks by default)

2007-04-30 Thread William Lee Irwin III
On Mon, Apr 30, 2007 at 08:25:38PM +0200, Adrian Bunk wrote: These are no questions a user should ever see, and it's impossible that a user will be able to choose the right answer - that's an implementation detail, and it has to be set correctly automatically without bothering the user.

Re: [2/6] add config option to vmalloc stacks (was: Re: [-mm patch] i386: enable 4k stacks by default)

2007-04-30 Thread Jan Engelhardt
On Apr 30 2007 19:11, Christoph Hellwig wrote: On Mon, Apr 30, 2007 at 10:43:10AM -0700, William Lee Irwin III wrote: On Mon, Apr 30, 2007 at 10:38:19AM -0700, William Lee Irwin III wrote: Here's what I did for i386 for someone concerned about blowing the stack. Add a config option to

Re: [PATCH] i386: init early_gdt_descr and idle task properly on voyager

2007-04-30 Thread Jeremy Fitzhardinge
James Bottomley wrote: On Sat, 2007-04-28 at 17:21 -0700, Jeremy Fitzhardinge wrote: Initialize early_gdt_descr and idle task properly. [ Incremental fix for i386: introduce voyager smp_ops, fix voyager build ] Still not quite enough. this is what I need to complete the build:

Re: [linux-dvb] Re: Critical points about kernel 2.6.21 and pseudo-authorities

2007-04-30 Thread Jan Engelhardt
On Apr 30 2007 19:25, Uwe Bugla wrote: THIS PATCH IS DONE TO AVOID RAM WASTE FOR CASES IN WHICH IT IS PROVEN THAT DST AND DST_CA ARE NOT NEEDED AT ALL [...] How much on the Theo-meter are we yet? Jan -- - To unsubscribe from this list: send the line unsubscribe linux-kernel in the body

Re: [-mm patch] i386: enable 4k stacks by default

2007-04-30 Thread William Lee Irwin III
On Apr 30 2007 10:38, William Lee Irwin III wrote: Here's what I did for i386 for someone concerned about blowing the stack. On Mon, Apr 30, 2007 at 08:22:43PM +0200, Jan Engelhardt wrote: If we really need it, then maybe a variable like CONFIG_LOG_BUF_SHIFT could be hacked up, resulting in

Re: condingstyle, was Re: utrace comments

2007-04-30 Thread Daniel Hazelton
On Monday 30 April 2007 13:09:17 Andrew Morton wrote: On Mon, 30 Apr 2007 10:11:21 +0100 Christoph Hellwig [EMAIL PROTECTED] wrote: I've separated this out under a new subject because some style issues that so far aren't documented explicitly are in doubt here, and Roland wants and Answer

Re: condingstyle, was Re: utrace comments

2007-04-30 Thread Satyam Sharma
Hi, On 4/30/07, Andrew Morton [EMAIL PROTECTED] wrote: On Mon, 30 Apr 2007 10:11:21 +0100 Christoph Hellwig [EMAIL PROTECTED] wrote: I've separated this out under a new subject because some style issues that so far aren't documented explicitly are in doubt here, and Roland wants and Answer

Re: [patch] cpufreq: do not declare undefined functions

2007-04-30 Thread David Rientjes
On Mon, 30 Apr 2007, Dave Jones wrote: it's just a prototype, so no code is generated by declaring one to an unused (or even non-existant) function. Or are you using some oddball compiler that warns about this? If you consider gcc to be oddball, yes. - To unsubscribe from this list: send

Re: 2.6.21-mm1: many processes end up in D state

2007-04-30 Thread Andrew Morton
On Mon, 30 Apr 2007 20:14:05 +0200 Jiri Slaby [EMAIL PROTECTED] wrote: I have a problem with higher disk loads (e.g. running git-log or yum update). Many processes end up in D state and system is unusable -- I'm not able to run anything but smooth mouse moving when this happens.

Re: [patches] [PATCH] [21/22] x86_64: Extend bzImage protocol for relocatable bzImage

2007-04-30 Thread Jeremy Fitzhardinge
Eric W. Biederman wrote: I have several ideas on how we can make this work but first I have to ask what is it that you are trying to accomplish? The requirements are: 1. the domain builder needs to get various information about the guest kernel by inspecting its ELF notes 2. we

Re: [PATCH][ 3/5] sched: implement staircase deadline cpu scheduler

2007-04-30 Thread Andrew Morton
On Tue, 27 Mar 2007 13:10:39 +1100 Con Kolivas [EMAIL PROTECTED] wrote: Staircase Deadline cpu scheduler policy I'll be dropping this from -mm now. I don't think we're learning anything more by having it in there and I generally want to get things more back into sync. For the record, I don't

Re: [-mm patch] i386: enable 4k stacks by default

2007-04-30 Thread Andi Kleen
On Mon, Apr 30, 2007 at 10:38:19AM -0700, William Lee Irwin III wrote: On Mon, Apr 30, 2007 at 02:13:16PM +0200, Andi Kleen wrote: Actually looking at the code it would need some fixes first: /* * These should really be __section__(.bss.page_aligned) as well, but * gcc's 3.0 and earlier

Re: [patch 26/32] xen: Add Xen virtual block device driver.

2007-04-30 Thread Jeremy Fitzhardinge
Christoph Hellwig wrote: source drivers/s390/block/Kconfig +source drivers/block/xen/Kconfig Please don't add a new subdirectory for a tiny new driver that really should be only a single .c file. Yup. +config XEN_BLKDEV_FRONTEND +tristate Block device frontend driver +

Re: [patch] cpufreq: do not declare undefined functions

2007-04-30 Thread Dave Jones
On Mon, Apr 30, 2007 at 11:42:44AM -0700, David Rientjes wrote: On Mon, 30 Apr 2007, Dave Jones wrote: it's just a prototype, so no code is generated by declaring one to an unused (or even non-existant) function. Or are you using some oddball compiler that warns about this?

Re: [4/6] go BUG on vmallocspace in __pa() (was: Re: [-mm patch] i386: enable 4k stacks by default)

2007-04-30 Thread Andi Kleen
On Mon, Apr 30, 2007 at 10:45:10AM -0700, William Lee Irwin III wrote: On Mon, Apr 30, 2007 at 10:38:19AM -0700, William Lee Irwin III wrote: Here's what I did for i386 for someone concerned about blowing the stack. Add checks to __pa() so it goes BUG() on vmallocspace addresses. Sorry I

Re: Linux 2.6.21

2007-04-30 Thread Adrian Bunk
On Mon, Apr 30, 2007 at 11:20:46AM -0700, Linus Torvalds wrote: On Mon, 30 Apr 2007, Adrian Bunk wrote: My ideal was always that reported bugs should be fixed. ..and this is where we differ. OF COURSE bugs should be fixed. But you seem to think that there is something magical and

Re: [4/6] go BUG on vmallocspace in __pa() (was: Re: [-mm patch] i386: enable 4k stacks by default)

2007-04-30 Thread William Lee Irwin III
On Mon, Apr 30, 2007 at 10:38:19AM -0700, William Lee Irwin III wrote: Here's what I did for i386 for someone concerned about blowing the stack. On Mon, Apr 30, 2007 at 10:45:10AM -0700, William Lee Irwin III wrote: Add checks to __pa() so it goes BUG() on vmallocspace addresses. On Mon, Apr

Re: can a kmalloc be both GFP_ATOMIC and GFP_KERNEL at the same time?

2007-04-30 Thread Satyam Sharma
On 4/30/07, Alan Cox [EMAIL PROTECTED] wrote: i2o/device.c should be GFP_KERNEL as far as I can tell. It was meant to be that way and the callers appear to all be calling it in sleep capable contexts. aic7xxx_old.c should probably be GFP_KERNEL as -slave_alloc methods appear to be able to sleep

Re: [2/6] add config option to vmalloc stacks (was: Re: [-mm patch] i386: enable 4k stacks by default)

2007-04-30 Thread William Lee Irwin III
On Mon, Apr 30, 2007 at 10:43:10AM -0700, William Lee Irwin III wrote: Add a config option to vmalloc() task stacks so that stack overflows are detected without fail, and with a fatal failure mode at that. On Mon, Apr 30, 2007 at 07:11:04PM +0100, Christoph Hellwig wrote: Whee, this sounds

Re: [patch] cpufreq: do not declare undefined functions

2007-04-30 Thread David Rientjes
On Mon, 30 Apr 2007, Dave Jones wrote: it's just a prototype, so no code is generated by declaring one to an unused (or even non-existant) function. Or are you using some oddball compiler that warns about this? If you consider gcc to be oddball, yes. what version ?

Re: UID/GID override on CIFS mounts to Samba and proposed new mount parameter to disable Unix Extensions on the client

2007-04-30 Thread Steve French
The CIFS Unix Extensions are used by multiple clients now (not just Linux) but originally I thought that it might be confusing to Linux users to call the configuration setting for that in /proc/fs/cifs Unix instead of Linux (and since it has been there for years and is externally visible, it is

AMD dual core opetron optimization

2007-04-30 Thread kernel coder
hi, I'm doing trying to write some optimized code for AMD dual core opetron processor.But things are getting no where.I've installed Fedora 5 with 2.6 series Linux kernel and 4 series GCC Following are few lines of code which are consuming close to 100 cycles.Yes this is not the forum for such

Re: [2/6] add config option to vmalloc stacks (was: Re: [-mm patch] i386: enable 4k stacks by default)

2007-04-30 Thread Christoph Hellwig
So if you want to invest some time into getting this into mergeable shape I'd suggest you redo the patch series in the following way: patch 1: dynamic allocated irq stacks patch 2: make irqstacks unconditional, but allow selecting 4/8k stacks patch 3: introduce a DEBUG_STACK option that

Re: Please revert [PATCH] user of the jiffies rounding patch: Slab

2007-04-30 Thread Arjan van de Ven
Christoph Lameter wrote: Umm you did not read the last bit of the description? It talks about firing all timers on all cpus at once. it talks about AVOIDING firing all timers on all cpus at once. - To unsubscribe from this list: send the line unsubscribe linux-kernel in the body of a message

Re: [patch] pm: include EIO from errno-base.h

2007-04-30 Thread David Rientjes
For backwards compatibility, call_platform_enable_wakeup() can return 0 instead of -EIO since we aren't guaranteed to have errno defined. Cc: David Brownell [EMAIL PROTECTED] Signed-off-by: David Rientjes [EMAIL PROTECTED] --- include/linux/pm.h |2 +- 1 files changed, 1 insertions(+), 1

Re: [4/6] go BUG on vmallocspace in __pa() (was: Re: [-mm patch] i386: enable 4k stacks by default)

2007-04-30 Thread Alan Cox
On Mon, 30 Apr 2007 20:52:42 +0200 Andi Kleen [EMAIL PROTECTED] wrote: On Mon, Apr 30, 2007 at 10:45:10AM -0700, William Lee Irwin III wrote: On Mon, Apr 30, 2007 at 10:38:19AM -0700, William Lee Irwin III wrote: Here's what I did for i386 for someone concerned about blowing the stack.

Re: [PATCH -mm] Allow selective freezing of the system for different events

2007-04-30 Thread Gautham R Shenoy
On Sun, Apr 29, 2007 at 07:51:04PM +0200, Rafael J. Wysocki wrote: Hi, Sorry for the delay. No problems! Even I was out for the weekend. /* * Tell the freezer to exempt this task from freezing + * for events in freeze_event_mask. */ -static inline void freezer_exempt(struct

Re: [PATCH] support PCI MCFG space on Intel i915 bridges

2007-04-30 Thread Jesse Barnes
On Sunday, April 29, 2007 7:10 pm Robert Hancock wrote: Jesse Barnes wrote: Add support for Intel 915 bridge chips to the new PCI MMConfig detection code. Tested and works on my sole 915 based platform (a Toshiba laptop). I added register masking per Oliver's suggestion, and moved the

Re: 2.6.21-rc7-mm2 crash: Eeek! page_mapcount(page) went negative! (-1)

2007-04-30 Thread Tilman Schmidt
Am 30.04.2007 20:21 schrieb Andrew Morton: A lot of Greg's driver tree has gone upstream, so please check current mainline. 2.6.21-final is fine. If that's OK then we need to pick through the difference between 2.6.21-rc7-mm2's driver tree and the patches which went into mainline. And

Re: [2/6] add config option to vmalloc stacks (was: Re: [-mm patch] i386: enable 4k stacks by default)

2007-04-30 Thread Bill Irwin
On Mon, Apr 30, 2007 at 08:15:11PM +0100, Christoph Hellwig wrote: So if you want to invest some time into getting this into mergeable shape I'd suggest you redo the patch series in the following way: patch 1: dynamic allocated irq stacks patch 2: make irqstacks unconditional, but allow

Re: Please revert [PATCH] user of the jiffies rounding patch: Slab

2007-04-30 Thread Christoph Lameter
On Mon, 30 Apr 2007, Arjan van de Ven wrote: Christoph Lameter wrote: Umm you did not read the last bit of the description? It talks about firing all timers on all cpus at once. it talks about AVOIDING firing all timers on all cpus at once. H... Looked fine right now. Must have

Re: [4/6] go BUG on vmallocspace in __pa() (was: Re: [-mm patch] i386: enable 4k stacks by default)

2007-04-30 Thread Bill Irwin
On Mon, Apr 30, 2007 at 10:38:19AM -0700, William Lee Irwin III wrote: Here's what I did for i386 for someone concerned about blowing the stack. On Mon, Apr 30, 2007 at 10:45:10AM -0700, William Lee Irwin III wrote: Add checks to __pa() so it goes BUG() on vmallocspace addresses. On Mon, 30

[REPORT] 2.6.21 vs. 2.6.21-sd046 vs. 2.6.21-CFSv7

2007-04-30 Thread Bill Davidsen
System: Intel 6600 Core2duo, 2GB RAM, X nice 0 for all tests, display using i945G framebuffer Test: playing a 'toon with mplayer while kernel build -j20 running. Tuning: not yet, all scheduler parameters were default Result: base 2.6.21 showed some pauses and after the pause the sound got

Re: [patch] cpufreq: do not declare undefined functions

2007-04-30 Thread Dave Jones
On Mon, Apr 30, 2007 at 12:10:45PM -0700, David Rientjes wrote: On Mon, 30 Apr 2007, Dave Jones wrote: it's just a prototype, so no code is generated by declaring one to an unused (or even non-existant) function. Or are you using some oddball compiler that warns about

Re: [linux-dvb] Re: Critical points about kernel 2.6.21 and pseudo-authorities

2007-04-30 Thread Markus Rechberger
On 4/30/07, Jan Engelhardt [EMAIL PROTECTED] wrote: On Apr 30 2007 19:25, Uwe Bugla wrote: THIS PATCH IS DONE TO AVOID RAM WASTE FOR CASES IN WHICH IT IS PROVEN THAT DST AND DST_CA ARE NOT NEEDED AT ALL [...] How much on the Theo-meter are we yet? it's enough, I told him that I'll

[PATCH] KCONFIG: Correct minor typo in Kconfig warning message.

2007-04-30 Thread Robert P. J. Day
Correct a minor spelling mistake in a Kconfig warning message. Signed-off-by: Robert P. J. Day [EMAIL PROTECTED] --- diff --git a/scripts/kconfig/menu.c b/scripts/kconfig/menu.c index c86c27f..f14aeac 100644 --- a/scripts/kconfig/menu.c +++ b/scripts/kconfig/menu.c @@ -203,7 +203,7 @@ void

Re: 2.6.21-rc7-mm2 crash: Eeek! page_mapcount(page) went negative! (-1)

2007-04-30 Thread Andrew Morton
On Mon, 30 Apr 2007 21:28:06 +0200 Tilman Schmidt [EMAIL PROTECTED] wrote: Am 30.04.2007 20:21 schrieb Andrew Morton: A lot of Greg's driver tree has gone upstream, so please check current mainline. 2.6.21-final is fine. Sure, but what about 2.6.21-git3 (or, better, current -git)? If

Re: [5/6] dynamically allocate IRQ stacks (was: Re: [-mm patch] i386: enable 4k stacks by default)

2007-04-30 Thread Zwane Mwaikambo
On Mon, 30 Apr 2007, William Lee Irwin III wrote: -static char softirq_stack[NR_CPUS * THREAD_SIZE] - __attribute__((__aligned__(THREAD_SIZE))); +static DEFINE_PER_CPU(char *, softirq_stack); +static DEFINE_PER_CPU(char *, hardirq_stack); -static char hardirq_stack[NR_CPUS *

Re: Revert [POWERPC] various

2007-04-30 Thread Olaf Hering
On Mon, Apr 30, Simon Arlott wrote: There are a few powerpc patches plus reverts in the recent push to torvalds/linux-2.6 - shouldn't this be avoided whenever possible because it could cause problems for people trying to use git bisect? The reverts do not cause compile failures (I hope).

Re: 2.6.20 libata cdrom

2007-04-30 Thread Tejun Heo
Hello, William Thompson wrote: I've been playing with libata on a few machines and I found that this machine (An old Dell Dimension L866r) gives me this when it loads and does not give me access to the cdrom. This is the only machine that I've tested that I know for a fact cannot do DMA on

Re: [git patches] libata updates

2007-04-30 Thread Chuck Ebbert
Jeff Garzik wrote: Jeff Garzik (8): libata/IDE: remove combined mode quirk You can't just remove the combined_mode= kernel parameter or every Linux user who uses that will get an unbootable kernel with no good way of diagnosing the problem. It should still be accepted and just print a

Re: Linux 2.6.21

2007-04-30 Thread Vegard Nossum
On Mon, April 30, 2007 8:57 pm, Adrian Bunk wrote: I never expected the reality to be come as white as my ideal or the washed things in washing powder ads. This reminds me very much of what the brilliant computing scientist Edsger W. Dijkstra more than once wrote: `Confusing love of perfection

Re: Revert [POWERPC] various

2007-04-30 Thread Simon Arlott
On 30/04/07 20:49, Olaf Hering wrote: On Mon, Apr 30, Simon Arlott wrote: There are a few powerpc patches plus reverts in the recent push to torvalds/linux-2.6 - shouldn't this be avoided whenever possible because it could cause problems for people trying to use git bisect? The reverts do

Re: [REPORT] 2.6.21 vs. 2.6.21-sd046 vs. 2.6.21-CFSv7

2007-04-30 Thread Bill Davidsen
Bill Davidsen wrote: System: Intel 6600 Core2duo, 2GB RAM, X nice 0 for all tests, display using i945G framebuffer Test: playing a 'toon with mplayer while kernel build -j20 running. Tuning: not yet, all scheduler parameters were default Result: base 2.6.21 showed some pauses and after the

Re: [GIT PATCH] ACPI patches for 2.6.22

2007-04-30 Thread Rafael J. Wysocki
On Monday, 30 April 2007 17:33, Matt Mackall wrote: On Sun, Apr 29, 2007 at 02:17:01PM +0200, Rafael J. Wysocki wrote: On Sunday, 29 April 2007 13:52, Matt Mackall wrote: On Sun, Apr 29, 2007 at 01:01:04AM -0700, Andrew Morton wrote: On Sun, 29 Apr 2007 01:02:33 -0400 Len Brown [EMAIL

Re: [git patches] libata updates

2007-04-30 Thread Jeff Garzik
Chuck Ebbert wrote: Jeff Garzik wrote: Jeff Garzik (8): libata/IDE: remove combined mode quirk You can't just remove the combined_mode= kernel parameter or every Linux user who uses that will get an unbootable kernel with no good way of diagnosing the problem. It should still be

Re: [5/6] dynamically allocate IRQ stacks (was: Re: [-mm patch] i386: enable 4k stacks by default)

2007-04-30 Thread Bill Irwin
On Mon, 30 Apr 2007, William Lee Irwin III wrote: -static char softirq_stack[NR_CPUS * THREAD_SIZE] -__attribute__((__aligned__(THREAD_SIZE))); +static DEFINE_PER_CPU(char *, softirq_stack); +static DEFINE_PER_CPU(char *, hardirq_stack); -static char hardirq_stack[NR_CPUS *

Re: [5/6] dynamically allocate IRQ stacks (was: Re: [-mm patch] i386: enable 4k stacks by default)

2007-04-30 Thread Andi Kleen
On Mon, Apr 30, 2007 at 12:49:04PM -0700, Zwane Mwaikambo wrote: On Mon, 30 Apr 2007, William Lee Irwin III wrote: -static char softirq_stack[NR_CPUS * THREAD_SIZE] - __attribute__((__aligned__(THREAD_SIZE))); +static DEFINE_PER_CPU(char *, softirq_stack); +static

Re: [GIT PATCH] ACPI patches for 2.6.22

2007-04-30 Thread Matt Mackall
On Mon, Apr 30, 2007 at 10:03:30PM +0200, Rafael J. Wysocki wrote: These are older and might have been fixed: - Mat Mackall's Thinkpads not waking up on lid open with -rc6-mm1 This seems to be related to suspend to disk. After the first suspend to disk/resume, suspend

Re: [ofa-general] [PATCH][RFC] IB: Return maybe missed event hint from ib_req_notify_cq()

2007-04-30 Thread Hoang-Nam Nguyen
Hi Roland! As far as this concerns ehca this looks great. Thanks Nam [EMAIL PROTECTED] wrote on 27.04.2007 00:43:19: - IB: Return maybe missed event hint from ib_req_notify_cq() This extends the API in a way that lets us implement NAPI, but may be useful for other things too.

Re: [REPORT] 2.6.21 vs. 2.6.21-sd046 vs. 2.6.21-CFSv7

2007-04-30 Thread hui
On Mon, Apr 30, 2007 at 03:58:45PM -0400, Bill Davidsen wrote: Followup: I reran with sd-0.46, setting rr_interval to 40, and then 5 (default was 16). Neither appeared to give a useful video playback. I did try setting the make to nice 10, and that made the playback perfectly smooth, as

Re: 3d smoothness (was: Re: [patch] CFS scheduler, -v6)

2007-04-30 Thread Ingo Molnar
* Kasper Sandberg [EMAIL PROTECTED] wrote: This patch makes things much worse, [...] yeah, the small patch i sent to you in private mail was indeed buggy, please disregard it. Ingo - To unsubscribe from this list: send the line unsubscribe linux-kernel in the body of a message to

Re: [BUG] 2.6.21: Kernel won't boot with either/both of CONFIG_NO_HZ, CONFIG_HIGH_RES_TIMERS

2007-04-30 Thread Mark Lord
Mark Lord wrote: I have a new notebook (Dell Inspiron 9400) with Core2-Duo T7400 @ 2.1Ghz. When either/both of CONFIG_NO_HZ, CONFIG_HIGH_RES_TIMERS is used, the 2.6.21 kernel hangs on startup just after printing one/both of these: .. That's a hard hang, by the way. No magic sysrq key or

Re: 2.6.20 libata cdrom

2007-04-30 Thread William Thompson
On Mon, Apr 30, 2007 at 12:22:21PM +0200, Tejun Heo wrote: William Thompson wrote: I've been playing with libata on a few machines and I found that this machine (An old Dell Dimension L866r) gives me this when it loads and does not give me access to the cdrom. This is the only

Re: [git patches] libata updates

2007-04-30 Thread Stephen Clark
Jeff Garzik wrote: Chuck Ebbert wrote: Jeff Garzik wrote: Jeff Garzik (8): libata/IDE: remove combined mode quirk You can't just remove the combined_mode= kernel parameter or every Linux user who uses that will get an unbootable kernel with no good way of diagnosing the

Re: UID/GID override on CIFS mounts to Samba and proposed new mount parameter to disable Unix Extensions on the client

2007-04-30 Thread Steve French
OK - I fixed the formatting and checked into the cifs-2.6.git tree. I also fixed a few dozen similar errors in formatting in the same files. Thanks for noticing that. On 4/30/07, Randy Dunlap [EMAIL PROTECTED] wrote: On Mon, 30 Apr 2007 09:26:16 -0500 Steve French wrote: replying to the

Re: [git patches] libata updates

2007-04-30 Thread Alan Cox
Yeah the kernel will boot but the hd performance is sh*t on my laptop. I am running FC6 with kernel 2.6.21 and without the combined_mode setting my disk performance goes down to a whopping 1.25mb/sec from 44mb/sec when I boot with combined_mode=libata. Then something is very wrong with

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