Re: Dual-Licensing Linux Kernel with GPL V2 and GPL V3

2007-06-22 Thread Alexandre Oliva
On Jun 22, 2007, "Tomas Neme" <[EMAIL PROTECTED]> wrote: > The thing is, what matters in copyright and licencing matters is what > the author of the code understands, no the licence's author, if > ambiguous. And the kernel's rights holder is Linus. Since he didn't get copyright assignments, each

Re: [rtc-linux] Re: rtc_cmos: error after first write to wakealarm

2007-06-22 Thread Tino Keitel
On Fri, Jun 22, 2007 at 11:45:52 -0700, David Brownell wrote: > On Friday 22 June 2007, Alessandro Zummo wrote: > > On Tue, 19 Jun 2007 19:24:29 +0200 > > Tino Keitel <[EMAIL PROTECTED]> wrote: > > > > > > > Where is the documentation that describes that I have to disable it > > > > > first, and

Re: Oops in a driver while using SLUB as a SLAB allocator

2007-06-22 Thread Christoph Lameter
Here is the corresponding PA-RISC piece. Its as straightforward as the other one since the only way to make this work properly in the past was if the sizes passed to the dma alloc functions are page size based. PA-RISC: Use page allocator instead of slab allocator. Slab pages obtained via

Re: Kconfig troubles when using menuconfig - Was: [patch]Re: [linux-usb-devel] linux-2.6.22-rc5-gf1518a0 build #300 failed in zc0301_core.c

2007-06-22 Thread Satyam Sharma
Hi Jan, On 6/22/07, Jan Engelhardt <[EMAIL PROTECTED]> wrote: On Jun 22 2007 18:24, Roman Zippel wrote: > >> There have been discussions to remove the default-ys again, I've sent a patch >> [http://lkml.org/lkml/2007/5/12/216], but nothing happened. >> >> So, should all affected menuconfigs be

Re: [DOCS] make headers_install

2007-06-22 Thread Rob Landley
On Friday 22 June 2007 01:14:50 David Woodhouse wrote: > On Fri, 2007-06-22 at 00:04 -0400, Rob Landley wrote: > > Here's a really quick stab at documentation for make headers_install. > > > > Comments? > > > > > > > > Exporting kernel headers for use by userspace

Re: Oops in a driver while using SLUB as a SLAB allocator

2007-06-22 Thread Russell King
On Fri, Jun 22, 2007 at 09:40:45AM -0700, Linus Torvalds wrote: > > > On Fri, 22 Jun 2007, Hugh Dickins wrote: > > > > On Thu, 21 Jun 2007, Christoph Lameter wrote: > > > > > Maybe this will address the issue on ARM? > > > > Looks like it would indeed address the immediate issue on ARM - > >

Re: Kconfig troubles when using menuconfig - Was: [patch]Re: [linux-usb-devel] linux-2.6.22-rc5-gf1518a0 build #300 failed in zc0301_core.c

2007-06-22 Thread Trent Piepho
On Fri, 22 Jun 2007, Mauro Carvalho Chehab wrote: > Hi Roman, > > Several instabilities on Kconfig started to happen after replacing > Kconfig menus to use menuconfig, as this one, reported by Oliver: This is the same problem I explained before:

Re: Dual-Licensing Linux Kernel with GPL V2 and GPL V3

2007-06-22 Thread Tomas Neme
In the sense that he can decide to remove all contributions from dissenting authors, yes, he does. But he can't impose his more lax interpretation upon other authors. Under copyright, it's the more yes, I saw my argument going weak as I wrote it, but what I said later: So if you own a part

Re: Oops in a driver while using SLUB as a SLAB allocator

2007-06-22 Thread Hugh Dickins
On Fri, 22 Jun 2007, Christoph Lameter wrote: > > We need to fix any remaining weird slab object uses right now. Your check > leaves a lot of holes open. 2.6.22 removes all other such strange slab > uses in other arches. It would be inconsistent if we left these things in > ARM (and maybe

[PATCH v3] doc/oops-tracing: add Code: decode info

2007-06-22 Thread Randy Dunlap
From: Randy Dunlap <[EMAIL PROTECTED]> Add info that the Code: bytes line contains or (wxyz) in some architecture oops reports and what that means. Add a script by Andi Kleen that reads the Code: line from an Oops report file and generates assembly code from the hex bytes. Signed-off-by: Randy

Re: [PATCH] x86-64: disable the GART before allocate aperture

2007-06-22 Thread Alan Cox
On Fri, 22 Jun 2007 12:31:24 -0700 Muli Ben-Yehuda <[EMAIL PROTECTED]> wrote: > On Fri, Jun 22, 2007 at 12:19:15PM -0700, Yinghai Lu wrote: > > [PATCH] x86-64: disable the GART before allocate aperture > > > > For K8 system: 4G RAM with memory hole remapping enabled, or more > > than 4G RAM

[PATCH 1/7] ICH Force HPET: Make generic time capable of switching broadcast timer

2007-06-22 Thread Venki Pallipadi
Auto-detect the presence of HPET on ICH5 or newer platforms and enable HPET for broadcast timer. This gives a bigger upperlimit for tickless time tick and improves the power consumption in comparison to PIT as broadcast timer. This patch: Change the broadcast timer, if a timer with higher

Re: [RFC PATCH 0/6] Convert all tasklets to workqueues

2007-06-22 Thread Ingo Molnar
* Linus Torvalds <[EMAIL PROTECTED]> wrote: > Whether we actually then want to do 6 is another matter. I think we'd > need some measuring and discussion about that. basically tasklets have a number of limitations: - tasklets have certain latency limitations over real tasks. (for example

[PATCH 2/7] ICH Force HPET: Restructure hpet generic clock code

2007-06-22 Thread Venki Pallipadi
Restructure and rename legacy replacement mode HPET timer support. Just the code structural changes and should be zero functionality change. Signed-off-by: Venkatesh Pallipadi <[EMAIL PROTECTED]> --- Index: linux-2.6.22-rc5/arch/i386/kernel/hpet.c

[PATCH 3/7] ICH Force HPET: ICH7 or later quirk to force detect enable

2007-06-22 Thread Venki Pallipadi
Force detect and/or enable HPET on ICH chipsets. This patch just handles the detection part and following patches use this information. Adds a function to repeat the force enabling during resume time. Using HPET this way, instead of PIT increases the time CPUs can reside in C-state when system

Re: [PATCH] blink: Only blink when parameter is set

2007-06-22 Thread Pavel Machek
Hi! > > In fact it looks quite weird that one blink per 5 seconds can break the > > keyboard, in fact. > > Not wierd at all. The driver uses panic_blink - something that we expect > to work after panic. It rapidly polls KBC status register to detect when Aha. Can we get rid of that driver? It

[PATCH 4/7] ICH Force HPET: Late initialization of hpet after quirk

2007-06-22 Thread Venki Pallipadi
Enable HPET later during boot, after the force detect in PCI quirks. Also add a call to repeat the force enabling at resume time. Signed-off-by: Venkatesh Pallipadi <[EMAIL PROTECTED]> --- arch/i386/kernel/hpet.c | 50 +++- include/asm-i386/hpet.h

[PATCH 5/7] ICH Force HPET: ICH5 quirk to force detect enable

2007-06-22 Thread Venki Pallipadi
force_enable hpet for ICH5. Signed-off-by: Venkatesh Pallipadi <[EMAIL PROTECTED]> --- arch/i386/kernel/hpet.c |2 arch/i386/kernel/quirks.c | 101 +- include/asm-i386/hpet.h |2 include/linux/pci_ids.h |1 4 files changed, 103

[PATCH 6/7] ICH Force HPET: ICH5 fix a bug with suspend/resume

2007-06-22 Thread Venki Pallipadi
A bugfix in ich5 hpet force detect which caused resumes to fail. Thanks to Udo A Steinberg for reporting the problem. Signed-off-by: Venkatesh Pallipadi <[EMAIL PROTECTED]> --- arch/i386/kernel/quirks.c |2 +- 1 file changed, 1 insertion(+), 1 deletion(-) Index:

Re: [REGRESSION 2.6-git] possible circular locking dependency detected with XFS

2007-06-22 Thread Oliver Pinter
oh, the version is: 2.6.22-rc5-0864a4e - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/

[PATCH 7/7] ICH Force HPET: Add ICH7_0 pciid to quirk list

2007-06-22 Thread Venki Pallipadi
Add another PCI ID for ICH7 force hpet. Signed-off-by: Venkatesh Pallipadi <[EMAIL PROTECTED]> Index: linux-2.6.21/arch/i386/kernel/quirks.c === --- linux-2.6.21.orig/arch/i386/kernel/quirks.c +++

Re: Please release a stable kernel Linux 3.0

2007-06-22 Thread Willy Tarreau
On Fri, Jun 22, 2007 at 12:21:51AM +0200, Zoltán HUBERT wrote: > On Friday 22 June 2007 00:08, you wrote: > > > So I feel that a turning-point is coming where a really > > > really really (x 15) stable and reliable kernel is > > > NEEDED. > > > > Its incredibly hard to keep a stable kernel side

Re: FW : airo suspend problem

2007-06-22 Thread Pavel Machek
Hi! > Sujet : airo suspend problem > ? : [EMAIL PROTECTED] > > Hi, > > the airo driver (drivers/net/wireless/airo.c) does in its suspend routine [1]. > But not all the pci cards support power management and cause > pci_enable_wake/pci_set_power_state to return errors. > > On pci card

Re: [PATCH] Chinese translation of Documentation/HOWTO

2007-06-22 Thread Rob Landley
On Friday 22 June 2007 14:39:36 TripleX wrote: > As I know, there are a lot of standalone kernel developer in China. They > write device drivers for their chips or iptables modules for their > linux based network devices. They send source files to their customers > or publish them on web but

Re: [RFC PATCH 0/6] Convert all tasklets to workqueues

2007-06-22 Thread Christoph Hellwig
On Fri, Jun 22, 2007 at 10:40:58PM +0200, Ingo Molnar wrote: > when it comes to 'deferred processing', we've basically got two 'prime' > choices for deferred processing: > > - if it's high-performance then it goes into a softirq. > > - if performance is not important, or robustness and

Re: Kconfig troubles when using menuconfig - Was: [patch]Re: [linux-usb-devel] linux-2.6.22-rc5-gf1518a0 build #300 failed in zc0301_core.c

2007-06-22 Thread Satyam Sharma
On 6/23/07, Satyam Sharma <[EMAIL PROTECTED]> wrote: Hi Jan, On 6/22/07, Jan Engelhardt <[EMAIL PROTECTED]> wrote: > > On Jun 22 2007 18:24, Roman Zippel wrote: > > > >> There have been discussions to remove the default-ys again, I've sent a patch > >> [http://lkml.org/lkml/2007/5/12/216], but

Re: [RC][PATCH] PM: Remove code duplication between main.c and user.c

2007-06-22 Thread Pavel Machek
Hi! > From: Rafael J. Wysocki <[EMAIL PROTECTED]> > > The SNAPSHOT_S2RAM ioctl code is outdated and it should not duplicate the > suspend code in kernel/power/main.c. Fix that. > > Signed-off-by: Rafael J. Wysocki <[EMAIL PROTECTED]> > Reviewed-by: Pavel Machek <[EMAIL PROTECTED]> ACK. --

Re: [RC][PATCH -mm] PM: Prevent frozen user mode helpers from failing the freezing of tasks

2007-06-22 Thread Pavel Machek
Hi! > From: Rafael J. Wysocki <[EMAIL PROTECTED]> > > At present, if a user mode helper is running while > usermodehelper_pm_callback() > is executed, the helper may be frozen and the completion in > call_usermodehelper_exec() won't be completed until user space processes are > thawed. As a

Re: [RFC PATCH 0/6] Convert all tasklets to workqueues

2007-06-22 Thread Ingo Molnar
* Christoph Hellwig <[EMAIL PROTECTED]> wrote: > Note that we also have a lot of inefficiency in the way we do deferred > processing. Think of a setup where you run a XFS filesystem runs over > a megaraid adapter. > > (1) we get a real hardirq, which just clears the interrupt and then >

Re: [RFC PATCH 0/6] Convert all tasklets to workqueues

2007-06-22 Thread Thomas Gleixner
On Fri, 2007-06-22 at 22:00 +0100, Christoph Hellwig wrote: > Note that we also have a lot of inefficiency in the way we do deferred > processing. Think of a setup where you run a XFS filesystem runs over > a megaraid adapter. > > (1) we get a real hardirq, which just clears the interrupt and

Re: SATA Harddisk speed drop of 100 MB/s

2007-06-22 Thread Henrique de Moraes Holschuh
On Fri, 22 Jun 2007, Carlo Wood wrote: > So far I found out that it's RAID only. If you change the IO schedulers, does it help? -- "One disk to rule them all, One disk to find them. One disk to bring them all and in the darkness grind them. In the Land of Redmond where the shadows lie."

Re: Kconfig troubles when using menuconfig - Was: [patch]Re: [linux-usb-devel] linux-2.6.22-rc5-gf1518a0 build #300 failed in zc0301_core.c

2007-06-22 Thread Satyam Sharma
Hi Trent, On 6/23/07, Trent Piepho <[EMAIL PROTECTED]> wrote: [...] What you have is tristate depends on bool depends on tristate. The bool between the two tristates "promotes" the first tristate from m to y. [...] Or another way, add the dependencies of the menuconfig to the if statement:

Re: SATA Harddisk speed drop of 100 MB/s

2007-06-22 Thread Carlo Wood
On Fri, Jun 22, 2007 at 06:17:46PM -0300, Henrique de Moraes Holschuh wrote: > On Fri, 22 Jun 2007, Carlo Wood wrote: > > So far I found out that it's RAID only. > > If you change the IO schedulers, does it help? How do I do that? -- Carlo Wood <[EMAIL PROTECTED]> - To unsubscribe from this

RE: how about mutual compatibility between Linux's GPLv2 and GPLv3?

2007-06-22 Thread David Schwartz
> > It's this simple, those who chose the GPLv2 for Linux and their > > contributions to it don't want people to create derivative > > works of their > > works that can't be Tivoized. They see this as a feature, and it's the > Untrue. Many of us think (and the lawyers are unsure) that it is

Re: ACPI Regression on Dell E1501

2007-06-22 Thread Eric W. Biederman
Tim Gardner <[EMAIL PROTECTED]> writes: > Thomas Renninger wrote: >> On Fri, 2007-06-22 at 07:18 -0600, Tim Gardner wrote: >>> Tim Gardner wrote: Thomas Gleixner wrote: > On Thu, 2007-06-21 at 17:47 -0400, Chuck Ebbert wrote: >> On 06/21/2007 05:04 PM, Tim Gardner wrote: >>> Hi,

Re: [PATCH] x86-64: disable the GART before allocate aperture

2007-06-22 Thread Andi Kleen
On Friday 22 June 2007 22:33, Alan Cox wrote: > On Fri, 22 Jun 2007 12:31:24 -0700 > > Muli Ben-Yehuda <[EMAIL PROTECTED]> wrote: > > On Fri, Jun 22, 2007 at 12:19:15PM -0700, Yinghai Lu wrote: > > > [PATCH] x86-64: disable the GART before allocate aperture > > > > > > For K8 system: 4G RAM with

Re: [PATCH v2] doc/oops-tracing: add Code: decode info

2007-06-22 Thread Andi Kleen
> Why 3 times? Why not just (1) everything before marker and > (2) everything at and after marker? 2 times would probably work too, i was just thinking of a marker around it; but you're right just before would be also ok. > > - It won't handle multiline Code:s which i386 likes to generate now

Re: [PATCH] x86-64: disable the GART before allocate aperture

2007-06-22 Thread Eric W. Biederman
Alan Cox <[EMAIL PROTECTED]> writes: > You've got mapped live gart pages from the previous kernel. Even if you > disable the gart before a memset you may well have the video card using > gart translations and possibly live IOMMU mappings for devices using it > via bus mastering - and those will

Re: [PATCH] x86-64: disable the GART before allocate aperture

2007-06-22 Thread Yinghai Lu
Andi Kleen wrote: It's probably too late then. It could also interfere with other operations. If anything the GART should be disabled during kexec shutdown. Perhaps we just need a suitable suspend function that does that. Eric, any preferences? how about kdump? do we have chance to call

[BUG] Linux 2.6.21.5 - Radeon NMI lockup

2007-06-22 Thread Chris Rankin
Hi, I experienced this BUG while playing World of Warcraft with a Radeon 9200 AGPx8 video card and FC7: BUG: NMI Watchdog detected LOCKUP on CPU3, eip c019f98f, registers: Modules linked in: snd_rtctimer snd_seq_midi radeon drm cpufreq_ondemand p4_clockmod speedstep_lib nfsd exportfs autofs4

Re: [RFC PATCH 0/6] Convert all tasklets to workqueues

2007-06-22 Thread Linus Torvalds
On Fri, 22 Jun 2007, Ingo Molnar wrote: > > * Linus Torvalds <[EMAIL PROTECTED]> wrote: > > > Whether we actually then want to do 6 is another matter. I think we'd > > need some measuring and discussion about that. > > basically tasklets have a number of limitations: I'm not disputing that

Re: [RC][PATCH -mm] PM: Prevent frozen user mode helpers from failing the freezing of tasks

2007-06-22 Thread Rafael J. Wysocki
On Friday, 22 June 2007 23:07, Pavel Machek wrote: > Hi! > > > From: Rafael J. Wysocki <[EMAIL PROTECTED]> > > > > At present, if a user mode helper is running while > > usermodehelper_pm_callback() > > is executed, the helper may be frozen and the completion in > > call_usermodehelper_exec()

Re: [PATCH] x86-64: disable the GART before allocate aperture

2007-06-22 Thread Eric W. Biederman
Andi Kleen <[EMAIL PROTECTED]> writes: > On Friday 22 June 2007 22:33, Alan Cox wrote: >> You've got mapped live gart pages from the previous kernel. Even if you >> disable the gart before a memset > > It's probably too late then. It could also interfere with other operations. > If anything the

Re: Kconfig troubles when using menuconfig - Was: [patch]Re: [linux-usb-devel] linux-2.6.22-rc5-gf1518a0 build #300 failed in zc0301_core.c

2007-06-22 Thread Roman Zippel
Hi, On Sat, 23 Jun 2007, Satyam Sharma wrote: > given "menuconfig FOO depends on BAR", then all the "config BAZ"s > inside this menuconfig also automatically "depend on" BAR too. > This is simpler in the long run because it requires least amount > (actually none) of redundant typing I don't

RE: Cpuidle task list

2007-06-22 Thread Pallipadi, Venkatesh
I sent a mail to Adam to look at these... Max_cstate is what I observed once. I don't have more data. Sysfs output issue has below details. About the third wraparound issue Adam knows the bug and can probably fix it faster. Thanks, Venki -Original Message- From: Li, Shaohua Sent:

Re: Rules on how to use sysfs in userspace programs

2007-06-22 Thread Rob Landley
On Friday 08 June 2007 16:36:37 Greg KH wrote: > Over time there have been a number of problems when sysfs has changed in > "unexpected" ways. Here's a document that Kay wrote a while ago that > I'd like to add to the kernel Documentation directory to help userspace > programmers out. > > Any

Re: [PATCH] x86-64: disable the GART before allocate aperture

2007-06-22 Thread Muli Ben-Yehuda
On Fri, Jun 22, 2007 at 03:32:53PM -0600, Eric W. Biederman wrote: > Alan Cox <[EMAIL PROTECTED]> writes: > > > You've got mapped live gart pages from the previous kernel. Even > > if you disable the gart before a memset you may well have the > > video card using gart translations and possibly

RE: Cpuidle task list

2007-06-22 Thread Pallipadi, Venkatesh
Sorry about the noise. Below mail came here by mistake.. Thanks, Venki >-Original Message- >From: Pallipadi, Venkatesh >Sent: Friday, June 22, 2007 2:45 PM >To: LKML >Subject: RE: Cpuidle task list > > >I sent a mail to Adam to look at these... >Max_cstate is what I observed once. I

Re: SATA RAID5 speed drop of 100 MB/s

2007-06-22 Thread Carlo Wood
The dmesg output of 33480a0ede8dcc7e6483054279008f972bd56fd3 (thus "before") is: == Linux version 2.6.20-rc1-bisect-33480a0ede8dcc7e6483054279008f972bd56fd3-amd64 ([EMAIL PROTECTED]) (gcc version 4.1.2 20061115 (prerelease) (Debian

Re: [RFC PATCH 0/6] Convert all tasklets to workqueues

2007-06-22 Thread Daniel Walker
On Fri, 2007-06-22 at 22:40 +0200, Ingo Molnar wrote: > > - tasklets have certain fairness limitations. (they are executed in >softirq context and thus preempt everything, even if there is some >potentially more important, high-priority task waiting to be >executed.) Since -rt has

Re: [PATCH] x86-64: disable the GART before allocate aperture

2007-06-22 Thread Yinghai Lu
On 6/22/07, Eric W. Biederman <[EMAIL PROTECTED]> wrote: Alan Cox <[EMAIL PROTECTED]> writes: For a normal kexec we should shut everything down before the kernel transition so it should not be an issue. YH do you think you can look at simply reserving a portion of the iommu? And having the

Re: Kconfig troubles when using menuconfig - Was: [patch]Re: [linux-usb-devel] linux-2.6.22-rc5-gf1518a0 build #300 failed in zc0301_core.c

2007-06-22 Thread Satyam Sharma
Hi Roman, On 6/23/07, Roman Zippel <[EMAIL PROTECTED]> wrote: Hi, On Sat, 23 Jun 2007, Satyam Sharma wrote: > given "menuconfig FOO depends on BAR", then all the "config BAZ"s > inside this menuconfig also automatically "depend on" BAR too. > This is simpler in the long run because it

Re: [RFC PATCH 0/6] Convert all tasklets to workqueues

2007-06-22 Thread Ingo Molnar
* Linus Torvalds <[EMAIL PROTECTED]> wrote: > If the numbers say that there is no performance difference (or even > better: that the new code performs better or fixes some latency issue > or whatever), I'll be very happy. But if the numbers say that it's > worse, no amount of cleanliness

[patch] CFS scheduler, -v18

2007-06-22 Thread Ingo Molnar
i'm pleased to announce release -v18 of the CFS scheduler patchset. The rolled-up CFS patch against today's -git kernel, v2.6.22-rc5, v2.6.22-rc4-mm2, v2.6.21.5 or v2.6.20.14 can be downloaded from the usual place: http://people.redhat.com/mingo/cfs-scheduler/ The biggest change in -v18

Re: Please release a stable kernel Linux 3.0

2007-06-22 Thread Rafael J. Wysocki
On Friday, 22 June 2007 19:11, Chuck Ebbert wrote: > On 06/22/2007 11:00 AM, Rafael J. Wysocki wrote: > > On Friday, 22 June 2007 00:34, Chuck Ebbert wrote: > >> On 06/21/2007 06:29 PM, Jesper Juhl wrote: > >>> I myself have argued that we should be focusing more on stability and > >>> regression

Re: [patch] CFS scheduler, -v18

2007-06-22 Thread S.Çağlar Onur
Hi Ingo; 23 Haz 2007 Cts tarihinde, Ingo Molnar şunları yazmıştı: > As usual, any sort of feedback, bugreport, fix and suggestion is more > than welcome! [EMAIL PROTECTED] linux-2.6 $ LC_ALL=C make CHK include/linux/version.h CHK include/linux/utsrelease.h CALL

Re: [RFC PATCH 0/6] Convert all tasklets to workqueues

2007-06-22 Thread Ingo Molnar
* Ingo Molnar <[EMAIL PROTECTED]> wrote: > [ and on a similar notion, i still havent given up on seeing all BKL > use gone from the kernel. I expect it to happen any decade now ;-) ] 2.6.21 had 476 lock_kernel() calls. 2.6.22-git has 473 lock_kernel() calls currently. With that kind of flux

Re: [RFC PATCH 0/6] Convert all tasklets to workqueues

2007-06-22 Thread david
On Fri, 22 Jun 2007, Daniel Walker wrote: On Fri, 2007-06-22 at 22:40 +0200, Ingo Molnar wrote: - tasklets have certain fairness limitations. (they are executed in softirq context and thus preempt everything, even if there is some potentially more important, high-priority task

Re: Kconfig troubles when using menuconfig - Was: [patch]Re: [linux-usb-devel] linux-2.6.22-rc5-gf1518a0 build #300 failed in zc0301_core.c

2007-06-22 Thread Jan Engelhardt
On Jun 23 2007 02:50, Satyam Sharma wrote: > > Ok, so we add this as solution 2.(c) to the reply I just sent to Jan :-) > > But I still prefer 2.(b) -- making the config scripts intelligent so that if a > given "menuconfig FOO depends on BAR", then all the "config BAZ"s > inside this menuconfig

Re: [PATCH] x86-64: disable the GART before allocate aperture

2007-06-22 Thread Alan Cox
> YH do you think you can look at simply reserving a portion of the iommu? > And having the kexec on panic kernel use the reserved portion? How about simply reserving all of it for the base kernel and using soft iommu for the panic kernel, its hardly high performance criticial at this point. - To

Re: [RFC PATCH 0/6] Convert all tasklets to workqueues

2007-06-22 Thread Ingo Molnar
* Daniel Walker <[EMAIL PROTECTED]> wrote: > > - tasklets have certain fairness limitations. (they are executed in > >softirq context and thus preempt everything, even if there is > >some potentially more important, high-priority task waiting to be > >executed.) > > Since -rt has

Re: [patch] CFS scheduler, -v18

2007-06-22 Thread S.Çağlar Onur
23 Haz 2007 Cts tarihinde, S.Çağlar Onur şunları yazmıştı: > Hi Ingo; > > 23 Haz 2007 Cts tarihinde, Ingo Molnar şunları yazmıştı: > > As usual, any sort of feedback, bugreport, fix and suggestion is more > > than welcome! > > [EMAIL PROTECTED] linux-2.6 $ LC_ALL=C make > CHK

Re: [RFC PATCH 0/6] Convert all tasklets to workqueues

2007-06-22 Thread Daniel Walker
On Fri, 2007-06-22 at 15:09 -0700, [EMAIL PROTECTED] wrote: > On Fri, 22 Jun 2007, Daniel Walker wrote: > > > > > On Fri, 2007-06-22 at 22:40 +0200, Ingo Molnar wrote: > > > >> > >> - tasklets have certain fairness limitations. (they are executed in > >>softirq context and thus preempt

Re: Kconfig troubles when using menuconfig - Was: [patch]Re: [linux-usb-devel] linux-2.6.22-rc5-gf1518a0 build #300 failed in zc0301_core.c

2007-06-22 Thread Roman Zippel
Hi, On Sat, 23 Jun 2007, Satyam Sharma wrote: > > menuconfig is really a type of config symbol, rather than a type of menu. > > Well, I'd have to disagree here. A config symbol has code associated > with it (at least _all_ config symbols in the kernel originally did, till > when these

Re: [patch] CFS scheduler, -v18

2007-06-22 Thread Ingo Molnar
* S.Çağlar Onur <[EMAIL PROTECTED]> wrote: > > kernel/sched.c:745:28: sched_idletask.c: No such file or directory > > Ahh and this happens with [1], grabbing sched_idletask.c from .18 one solves > the problem... oops, indeed - i've fixed up the -git patch:

Re: [PATCH] x86-64: disable the GART before allocate aperture

2007-06-22 Thread Eric W. Biederman
Alan Cox <[EMAIL PROTECTED]> writes: >> YH do you think you can look at simply reserving a portion of the iommu? >> And having the kexec on panic kernel use the reserved portion? > > How about simply reserving all of it for the base kernel and using soft > iommu for the panic kernel, its hardly

Re: Kconfig troubles when using menuconfig - Was: [patch]Re: [linux-usb-devel] linux-2.6.22-rc5-gf1518a0 build #300 failed in zc0301_core.c

2007-06-22 Thread Satyam Sharma
Hi Roman, On 6/23/07, Roman Zippel <[EMAIL PROTECTED]> wrote: On Sat, 23 Jun 2007, Satyam Sharma wrote: > > menuconfig is really a type of config symbol, rather than a type of menu. > > Well, I'd have to disagree here. A config symbol has code associated > with it (at least _all_ config

Re: Fix signalfd interaction with thread-private signals

2007-06-22 Thread Benjamin Herrenschmidt
> > It does exactly so, please note this chunk > > @@ -330,7 +339,7 @@ asmlinkage long sys_signalfd(int ufd, si > > init_waitqueue_head(>wqh); > ctx->sigmask = sigmask; > - ctx->tsk = current; > + ctx->tsk =

Re: [RFC PATCH 4/6] Make DRM use the tasklet is-sched API

2007-06-22 Thread Ingo Molnar
* Daniel Walker <[EMAIL PROTECTED]> wrote: > > The two patches have two different objectives, even though they are > > related and currently on a 1 to 1 basis. The patches regardless, > > should stay separate. > > I'm not convinced yet .. One more stab? uhm, i dont think Steve needs to

Re: [PATCH] x86-64: disable the GART before allocate aperture

2007-06-22 Thread Yinghai Lu
Eric W. Biederman wrote: The original design came from thinking about systems where using the iommu was mandatory. I think we almost always reserve memory below 1G for the kexec on panic kernel so it really shouldn't be an issue in that case. Except we need to pass an option to force not using

Re: [RFC PATCH 0/6] Convert all tasklets to workqueues

2007-06-22 Thread Roland Dreier
> > [ and on a similar notion, i still havent given up on seeing all BKL > > use gone from the kernel. I expect it to happen any decade now ;-) ] > 2.6.21 had 476 lock_kernel() calls. 2.6.22-git has 473 lock_kernel() > calls currently. With that kind of flux we'll see the BKL gone in

Re: [RFC PATCH 0/6] Convert all tasklets to workqueues

2007-06-22 Thread Ingo Molnar
* Daniel Walker <[EMAIL PROTECTED]> wrote: > > remember, these changes have been in use in -rt for a while. there's > > reason to believe that they aren't going to cause drastic problems. > > Since I've been working with -rt (~2 years now I think) it's clear > that the number of testers of

Re: Fix signalfd interaction with thread-private signals

2007-06-22 Thread Linus Torvalds
On Sat, 23 Jun 2007, Benjamin Herrenschmidt wrote: > > > > > It does exactly so, please note this chunk > > > > @@ -330,7 +339,7 @@ asmlinkage long sys_signalfd(int ufd, si > > > > init_waitqueue_head(>wqh); > > ctx->sigmask = sigmask; > > -

Re: [PATCH] x86-64: disable the GART before allocate aperture

2007-06-22 Thread Alan Cox
On Fri, 22 Jun 2007 15:43:00 -0700 Yinghai Lu <[EMAIL PROTECTED]> wrote: > Eric W. Biederman wrote: > > The original design came from thinking about systems where using the iommu > > was mandatory. I think we almost always reserve memory below 1G for the > > kexec > > on panic kernel so it

Re: inotify and /proc?

2007-06-22 Thread C. Scott Ananian
On 6/21/07, Arnd Bergmann <[EMAIL PROTECTED]> wrote: On Thursday 21 June 2007, C. Scott Ananian wrote: > I'd like to make a read-only /proc file which supports inotify -- that > is, the kernel can send change notifications to userland via the > inotify mechanism. I've found fsnotify_modify() (in

Re: [REGRESSION 2.6-git] possible circular locking dependency detected with XFS

2007-06-22 Thread Michal Piotrowski
Hi Oliver, On 22/06/07, Oliver Pinter <[EMAIL PROTECTED]> wrote: Hi all! I found this info: === [ INFO: possible circular locking dependency detected ] 2.6.22-rc5-wifi1 #2 --- mount/2209 is

Re: [RFC PATCH 1/5 v2] Convert the RCU tasklet into a softirq

2007-06-22 Thread Paul E. McKenney
On Fri, Jun 22, 2007 at 02:20:52PM -0400, Steven Rostedt wrote: > I believe this was originally done by Dipankar Sarma. I pulled these > changes from the -rt kernel. > > For better preformance, RCU should use a softirq instead of a > tasklet. > > From: Dipankar Sarma <[EMAIL PROTECTED]> >

Re: [RFC PATCH 0/6] Convert all tasklets to workqueues

2007-06-22 Thread Alan Cox
> As a second example, msr_seek() in arch/i386/kernel/msr.c... is the > inode semaphore enough or not? Who understands the implications well > enough to say? lseek is one of the nasty remaining cases. tty is another real horror that needs further work but we slowly get closer - drivers/char is

Re: Oops in a driver while using SLUB as a SLAB allocator

2007-06-22 Thread Christoph Lameter
On Fri, 22 Jun 2007, Hugh Dickins wrote: > On Fri, 22 Jun 2007, Christoph Lameter wrote: > > > > We need to fix any remaining weird slab object uses right now. Your check > > leaves a lot of holes open. 2.6.22 removes all other such strange slab > > uses in other arches. It would be

Re: [PATCH] x86-64: disable the GART before allocate aperture

2007-06-22 Thread Yinghai Lu
Alan Cox wrote: Don't disable it, just don't touch it or any of its mappings. Leave it *alone*, and use swiotlb. That'll maximise the ability to recover stuff from the kexec kernel (since for one you may want to dump the gart when a 3d app goes kerblam) How about LinuxBIOS + Kernel ===> Final

Re: Broadcom (bnx2) on PE1950/2950 failure

2007-06-22 Thread Robert Hancock
Fortier,Vincent [Montreal] wrote: Here is the output of the dmesg with now the appropriate order: [EMAIL PROTECTED] /etc]# dmesg | grep -i eth [ 120.685696] Broadcom NetXtreme II Gigabit Ethernet Driver bnx2 v1.5.8.1 (May 7, 2007) [ 120.703846] eth0: Broadcom NetXtreme II BCM5708 1000Base-T

Re: [PATCH] x86-64: disable the GART before allocate aperture

2007-06-22 Thread Alan Cox
On Fri, 22 Jun 2007 15:57:08 -0700 Yinghai Lu <[EMAIL PROTECTED]> wrote: > Alan Cox wrote: > > > Don't disable it, just don't touch it or any of its mappings. Leave it > > *alone*, and use swiotlb. That'll maximise the ability to recover stuff > > from the kexec kernel (since for one you may

Re: [RFC PATCH 0/6] Convert all tasklets to workqueues

2007-06-22 Thread Steven Rostedt
On Fri, 2007-06-22 at 23:59 +0200, Ingo Molnar wrote: > * Linus Torvalds <[EMAIL PROTECTED]> wrote: > > > If the numbers say that there is no performance difference (or even > > better: that the new code performs better or fixes some latency issue > > or whatever), I'll be very happy. But if

Re: how to tell linux (on x86) to ignore 1M or memory

2007-06-22 Thread Bodo Eggert
Rene Herman <[EMAIL PROTECTED]> wrote: > The point was that real mode could only access the first 1M, not > the first 16... :-) The real mode on i386+ can actually access the whole 4GB address range due to a former-bug-now-feature in the i386+. This "bug" causes the segment limit to not be reset

Re: Fix signalfd interaction with thread-private signals

2007-06-22 Thread Davide Libenzi
On Fri, 22 Jun 2007, Linus Torvalds wrote: > Quite frankly, it strikes me that if we want to do this, then we shouldn't > save the _process_ information at all, we should save the "sighand" > instead. > > So either we save the process info, or we save the sighand, but saving the >

Question about fair schedulers

2007-06-22 Thread Alberto Gonzalez
Hi, First I'd like to say I'm not a programmer or even a geek, just a normal user, so my question might be very basic or even stupid. If so, please excuse me. I've been reading about CFS and SD schedulers here on the list and my basic understanding is that they try to improve interactivity by

Re: [patch] CFS scheduler, -v18

2007-06-22 Thread Gene Heskett
On Friday 22 June 2007, Ingo Molnar wrote: >i'm pleased to announce release -v18 of the CFS scheduler patchset. > >The rolled-up CFS patch against today's -git kernel, v2.6.22-rc5, >v2.6.22-rc4-mm2, v2.6.21.5 or v2.6.20.14 can be downloaded from the >usual place: > >

Re: how to tell linux (on x86) to ignore 1M or memory

2007-06-22 Thread Rene Herman
On 06/23/2007 01:00 AM, Bodo Eggert wrote: The real mode on i386+ can actually access the whole 4GB address range due to a former-bug-now-feature in the i386+. Generally called "unreal mode". Yes, sure. Just a hack though. Rene. - To unsubscribe from this list: send the line "unsubscribe

Re: Kconfig troubles when using menuconfig - Was: [patch]Re: [linux-usb-devel] linux-2.6.22-rc5-gf1518a0 build #300 failed in zc0301_core.c

2007-06-22 Thread Roman Zippel
Hi, On Sat, 23 Jun 2007, Satyam Sharma wrote: > 1. Kconfig symbols will always have code associated with them. > That's the entire purpose of Kconfig, is it not? A possible counter example: CONFIG_SCSI. (RAID_ATTRS is currently a little misplaced). It's optional for any config symbol to have

Re: [PATCH] x86-64: disable the GART before allocate aperture

2007-06-22 Thread Eric W. Biederman
Alan Cox <[EMAIL PROTECTED]> writes: > On Fri, 22 Jun 2007 15:57:08 -0700 > Yinghai Lu <[EMAIL PROTECTED]> wrote: > >> Alan Cox wrote: >> >> > Don't disable it, just don't touch it or any of its mappings. Leave it >> > *alone*, and use swiotlb. That'll maximise the ability to recover stuff >> >

Re: Fix signalfd interaction with thread-private signals

2007-06-22 Thread Benjamin Herrenschmidt
On Fri, 2007-06-22 at 15:47 -0700, Linus Torvalds wrote: > Quite frankly, it strikes me that if we want to do this, then we shouldn't > save the _process_ information at all, we should save the "sighand" > instead. > > So either we save the process info, or we save the sighand, but saving the

Re: Fix signalfd interaction with thread-private signals

2007-06-22 Thread Benjamin Herrenschmidt
On Sat, 2007-06-23 at 09:16 +1000, Benjamin Herrenschmidt wrote: > On Fri, 2007-06-22 at 15:47 -0700, Linus Torvalds wrote: > > Quite frankly, it strikes me that if we want to do this, then we shouldn't > > save the _process_ information at all, we should save the "sighand" > > instead. > > > >

Re: PROBLEM: PCI setup hangs on Asus Notebook (nolapic helps)

2007-06-22 Thread Andrew Morton
> On Fri, 22 Jun 2007 19:43:34 +0200 Malte Cornils <[EMAIL PROTECTED]> wrote: > Hello Andrew, > > On Thursday, 21. Juni 2007 14:27 Andrew Morton wrote: > > > Booting with nolapic helps, but makes the SATAized IDE controller buggy > > > [...] There have been other reports of the problem on Asus

Re: Kconfig troubles when using menuconfig - Was: [patch]Re: [linux-usb-devel] linux-2.6.22-rc5-gf1518a0 build #300 failed in zc0301_core.c

2007-06-22 Thread Satyam Sharma
Hi, On 6/23/07, Roman Zippel <[EMAIL PROTECTED]> wrote: On Sat, 23 Jun 2007, Satyam Sharma wrote: > 1. Kconfig symbols will always have code associated with them. > That's the entire purpose of Kconfig, is it not? A possible counter example: CONFIG_SCSI. (RAID_ATTRS is currently a little

Re: inotify and /proc?

2007-06-22 Thread Al Viro
On Fri, Jun 22, 2007 at 06:51:10PM -0400, C. Scott Ananian wrote: > No, clearly inotify on all files in /proc is not the right thing to > do. But I'm writing support for "RDNSS in RA" -- IPv6 Router > Advertisement messages can include a DNS server specification, which > makes IPv6 completely

Re: [RFC PATCH 4/6] Make DRM use the tasklet is-sched API

2007-06-22 Thread Daniel Walker
On Sat, 2007-06-23 at 00:38 +0200, Ingo Molnar wrote: > * Daniel Walker <[EMAIL PROTECTED]> wrote: > > > > The two patches have two different objectives, even though they are > > > related and currently on a 1 to 1 basis. The patches regardless, > > > should stay separate. > > > > I'm not

Re: [RFC PATCH 0/6] Convert all tasklets to workqueues

2007-06-22 Thread Daniel Walker
On Sat, 2007-06-23 at 00:44 +0200, Ingo Molnar wrote: > * Daniel Walker <[EMAIL PROTECTED]> wrote: > > > > remember, these changes have been in use in -rt for a while. there's > > > reason to believe that they aren't going to cause drastic problems. > > > > Since I've been working with -rt (~2

Re: [RFC PATCH 4/6] Make DRM use the tasklet is-sched API

2007-06-22 Thread Dave Airlie
> > The drm_locked_tasklet() function seems to have multiple bugs anyway, > so getting rid of it can only help, and it avoids exporting a new > tasklet_is_scheduled() interface. That's exactly what I though when looking over this code. There's some really crappy in code in that area, and it

Re: Kconfig troubles when using menuconfig - Was: [patch]Re: [linux-usb-devel] linux-2.6.22-rc5-gf1518a0 build #300 failed in zc0301_core.c

2007-06-22 Thread Roman Zippel
Hi, On Sat, 23 Jun 2007, Satyam Sharma wrote: > Yup, so how / why am I wrong? I was making the point that a > "menuconfig" does not have code associated with it. Which is wrong, it's not and will not be limited to this. bye, Roman - To unsubscribe from this list: send the line "unsubscribe

Re: Kconfig troubles when using menuconfig - Was: [patch]Re: [linux-usb-devel] linux-2.6.22-rc5-gf1518a0 build #300 failed in zc0301_core.c

2007-06-22 Thread Satyam Sharma
Hi, On 6/23/07, Roman Zippel <[EMAIL PROTECTED]> wrote: Hi, On Sat, 23 Jun 2007, Satyam Sharma wrote: > Yup, so how / why am I wrong? I was making the point that a > "menuconfig" does not have code associated with it. Which is wrong, it's not and will not be limited to this. But why? Let

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