Re: "partical" kthread conversion

2007-05-02 Thread Dean Nelson
On Tue, May 01, 2007 at 01:51:41AM -0700, Andrew Morton wrote: > On Tue, 1 May 2007 09:42:45 +0100 Christoph Hellwig <[EMAIL PROTECTED]> wrote: > > > On Mon, Apr 30, 2007 at 04:20:07PM -0700, Andrew Morton wrote: > > > macintosh-mediabay-convert-to-kthread-api.patch > > >

Re: 2.6.22 -mm merge plans -- vm bugfixes

2007-05-02 Thread Hugh Dickins
On Wed, 2 May 2007, Nick Piggin wrote: > Hugh Dickins wrote: > > > > But I was quite disappointed when > > mm-fix-fault-vs-invalidate-race-for-linear-mappings-fix.patch > > appeared, putting double unmap_mapping_range calls in. Certainly > > you were wrong to take the one out, but a pity to end

Re: [git pull] New firewire stack

2007-05-02 Thread Gene Heskett
On Wednesday 02 May 2007, Stefan Richter wrote: >Olaf Hering wrote: >> On Tue, May 01, Kristian Høgsberg wrote: >>> drivers/firewire/Kconfig | 60 ++ >> >> NACK. >> Upgrade the current drivers/ieee1394/ with the new code, > >Last time I believe I was the only one who asked whether to

Re: [Kernel-discuss] Re: [RFC, PATCH 0/4] SoC base drivers

2007-05-02 Thread Paul Sokolovsky
Hello Dmitry, Wednesday, May 2, 2007, 12:17:33 AM, you wrote: > Hello Paul, > Paul Sokolovsky wrote: >>> ASIC-related code (I mean core) forms additional platform layer, so I >>> suggest >>> adding ASIC helpers to generic platform code i.e. drivers/platform.c, but >>> ASIC drivers to

Re: Correct location for ADC/DAC drivers

2007-05-02 Thread Robert Schwebel
On Wed, May 02, 2007 at 12:25:53PM +0200, Stefan Roese wrote: > Is there a maintainer for this "drivers/mfd" directory? rmk Robert -- Dipl.-Ing. Robert Schwebel | http://www.pengutronix.de Pengutronix - Linux Solutions for Science and Industry Handelsregister: Amtsgericht Hildesheim, HRA

Re: [linux-dvb] DST/BT878 module customization (.. was: Critical points about ...)

2007-05-02 Thread Manu Abraham
Trent Piepho wrote: > On Tue, 1 May 2007, Simon Arlott wrote: >> On 30/04/07 22:17, Markus Rechberger wrote: >>> From my side I do not see any problem with that patch, if someone else >>> has a problem with it please state out the reason. >> I have no problem with the patch since it has nothing to

[PATCH] VIDEO: Remove archaic if[] construct from Kconfig file.

2007-05-02 Thread Robert P. J. Day
Remove the obsolete "if [ ]" construct from the video console Kconfig file. Signed-off-by: Robert P. J. Day <[EMAIL PROTECTED]> --- not sure who should have been CCed on this one. diff --git a/drivers/video/console/Kconfig b/drivers/video/console/Kconfig index aa3935d..63b85bf 100644 ---

Re: 2.6.22 -mm merge plans: mm-more-rmap-checking

2007-05-02 Thread Hugh Dickins
On Wed, 2 May 2007, Nick Piggin wrote: > > Yes, but IIRC I put that in because there was another check in > SLES9 that I actually couldn't put in, but used this one instead > because it also caught the bug we saw. >... > This was actually a rare corruption that is also in 2.6.21, and > as few

Re: so ... what *are* candidates for removal?

2007-05-02 Thread Stefan Richter
Robert P. J. Day wrote: > On Wed, 2 May 2007, Neil Brown wrote: > >> Unfortunately, this community is not founded on the concept of >> 'wiki'. It is founded on the concept of 'email'. That is were most >> discussions happen. >> >> So if you want to start a discussion (and your topic certainly

Re: [patch] CFS scheduler, -v8

2007-05-02 Thread Vegard Nossum
On Tue, May 1, 2007 11:22 pm, Ingo Molnar wrote: > As usual, any sort of feedback, bugreport, fix and suggestion is more than welcome, Hi, The sys_sched_yield_to() is not callable from userspace on i386 because it is not part of the syscall table (arch/i386/kernel/syscall_table.S). This causes

Re: [PATCHSET] sysfs: sysfs rework, take #2

2007-05-02 Thread Tejun Heo
Cornelia Huck wrote: > On Sat, 28 Apr 2007 22:39:35 +0900, > Tejun Heo <[EMAIL PROTECTED]> wrote: > >> All the known regrssions are fixed. I think I've got all the >> attr->owner but haven't verified with cross compiling yet, just >> allyesconfig on x86-64 and i386. I'll try to setup some cross

Re: [patch] CFS scheduler, -v8

2007-05-02 Thread Mark Lord
Ingo Molnar wrote: i'm pleased to announce release -v8 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 v2.6.21.1 (or against v2.6.20.10) can be downloaded from the usual place:

Re: 2.6.22 -mm merge plans: slub

2007-05-02 Thread Hugh Dickins
On Tue, 1 May 2007, Andrew Morton wrote: > > Given the current state and the current rate of development I'd expect slub > to have reached the level of completion which you're describing around -rc2 > or -rc3. I think we'd be pretty safe making that assumption. Its developer does show signs of

Kernel Scalability

2007-05-02 Thread Rajib Majumder
Hi, I am wondering if 2.4.x/2.6.x kernel is scalable enough to run on 8-CPU hardware. Do we have any scalability comparison data between 2.4/2.6 kernels and beyond 4-CPU? If yes, is the scalablity is near linear? Any input is appreciated. Thanks Rajib - To unsubscribe from this list: send

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

2007-05-02 Thread Mark Lord
re: [PATCH] highres/dyntick: prevent xtime lock contention |mark> I have a new notebook (Dell Inspiron 9400) with Core2-Duo T7400 @ 2.1Ghz. |mark> When either/both of CONFIG_NO_HZ, CONFIG_HIGH_RES_TIMERS is used, |mark> the 2.6.21 kernel hangs on startup just after printing one/both of these:

Re: [PATCH 0/5] fallocate system call

2007-05-02 Thread Amit K. Arora
On Sun, Apr 29, 2007 at 10:25:59PM -0700, Chris Wedgwood wrote: > On Mon, Apr 30, 2007 at 10:47:02AM +1000, David Chinner wrote: > > > For FA_ALLOCATE, it's supposed to change the file size if we > > allocate past EOF, right? > > I would argue no. Use truncate for that. The patch I posted for

Re: [git pull] New firewire stack

2007-05-02 Thread Stefan Richter
Olaf Hering wrote: > On Tue, May 01, Kristian Høgsberg wrote: > >> drivers/firewire/Kconfig | 60 ++ > > NACK. > Upgrade the current drivers/ieee1394/ with the new code, Last time I believe I was the only one who asked whether to put it into drivers/ieee1394 instead of another

Re: 2.6.22 -mm merge plans: slub

2007-05-02 Thread Hugh Dickins
On Tue, 1 May 2007, Christoph Lameter wrote: > On Tue, 1 May 2007, Hugh Dickins wrote: > > > Yes, to me it does. If it could be defaulted to on throughout the > > -rcs, on every architecture, then I'd say that's "finishing work"; > > and we'd be safe knowing we could go back to slab in a hurry

Re: [patch 14/22] pollfs: pollable futex

2007-05-02 Thread Davi Arnaut
Ulrich Drepper wrote: > On 5/1/07, Davi Arnaut <[EMAIL PROTECTED]> wrote: >> The pollable futex approach is far superior (send and receive events from >> userspace or kernel) to eventfd and fixes (supercedes) FUTEX_FD at the same >> time. >> [...] > > > - more complicated case: I have to

Re: [PATCHSET] sysfs: sysfs rework, take #2

2007-05-02 Thread Cornelia Huck
On Sat, 28 Apr 2007 22:39:35 +0900, Tejun Heo <[EMAIL PROTECTED]> wrote: > All the known regrssions are fixed. I think I've got all the > attr->owner but haven't verified with cross compiling yet, just > allyesconfig on x86-64 and i386. I'll try to setup some cross compile > environments

Re: Race between RCU and rmmod

2007-05-02 Thread Rusty Russell
On Wed, 2007-05-02 at 17:30 +0530, Dipankar Sarma wrote: > On Wed, May 02, 2007 at 12:50:24PM +0100, David Howells wrote: > > > > Hi Dipankar, Rusty, > > > > I seem to have found a race between RCU and rmmod. What I see appears to be > > an RCU destructor function that has a call pending but

Re: so ... what *are* candidates for removal?

2007-05-02 Thread Robert P. J. Day
On Wed, 2 May 2007, Neil Brown wrote: > Unfortunately, this community is not founded on the concept of > 'wiki'. It is founded on the concept of 'email'. That is were most > discussions happen. > > So if you want to start a discussion (and your topic certainly seems > relevant) I suspect you

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

2007-05-02 Thread Con Kolivas
On Tuesday 01 May 2007 04:50, Andrew Morton wrote: > 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

Re: [PATCH] Remove unnecessary irq disabling

2007-05-02 Thread Mark Lord
Andi Kleen wrote: What does that break, or was it already broken and this fixes it? I think neither. This function is only called at early bootup, (start_secondary() ), and most of its callees have interrupts off anyway. But maybe we do lose something. Andi, do you have a word on this? We

Re: [git pull] New firewire stack

2007-05-02 Thread Olaf Hering
On Tue, May 01, Kristian Høgsberg wrote: > drivers/firewire/Kconfig | 60 ++ NACK. Upgrade the current drivers/ieee1394/ with the new code, and keep all existing module names. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL

Re: [patch 14/22] pollfs: pollable futex

2007-05-02 Thread Davi Arnaut
Ulrich Drepper wrote: > On 5/1/07, Davi Arnaut <[EMAIL PROTECTED]> wrote: >> The pollable futex approach is far superior (send and receive events from >> userspace or kernel) to eventfd and fixes (supercedes) FUTEX_FD at the same >> time. >> [...] > > You have to explain in detail how these

Re: sparse -Wptr-subtraction-blows: still needed?

2007-05-02 Thread Andi Kleen
Alan Cox <[EMAIL PROTECTED]> writes: > > Good compilers even in the 1990's would defer the divide and try and > propogate it out as a multiply the other side for constants, and they'll > also use shifts when possible. gcc has an algorithm that tends to generate a near perfect shift/add etc. code

[PATCH 6/6] firewire: add it all to kbuild

2007-05-02 Thread Stefan Richter
Signed-off-by: Stefan Richter <[EMAIL PROTECTED]> --- drivers/Makefile |1 drivers/firewire/Kconfig | 60 ++ drivers/firewire/Makefile | 10 ++ drivers/ieee1394/Kconfig |2 + 4 files changed, 73 insertions(+) Index:

[PATCH 5/6] firewire: SBP-2 highlevel driver

2007-05-02 Thread Stefan Richter
Signed-off-by: Stefan Richter <[EMAIL PROTECTED]> --- drivers/firewire/fw-sbp2.c | 1165 + 1 file changed, 1165 insertions(+) Index: linux_juju/drivers/firewire/fw-sbp2.c === --- /dev/null +++

[PATCH 3/6] firewire: char device interface

2007-05-02 Thread Stefan Richter
Signed-off-by: Stefan Richter <[EMAIL PROTECTED]> --- drivers/firewire/fw-cdev.c| 954 ++ include/linux/firewire-cdev.h | 268 + 2 files changed, 1222 insertions(+) Index: linux_juju/include/linux/firewire-cdev.h

[PATCH 2/6] firewire: isochronous and asynchronous I/O

2007-05-02 Thread Stefan Richter
Signed-off-by: Stefan Richter <[EMAIL PROTECTED]> --- drivers/firewire/fw-iso.c | 163 + drivers/firewire/fw-transaction.c | 889 ++ drivers/firewire/fw-transaction.h | 505 + 3 files changed, 1557 insertions(+) Index:

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

2007-05-02 Thread Gregoire Favre
On Wed, May 02, 2007 at 11:35:32AM +0200, Andi Kleen wrote: > Does this patch help? So far so good :-) Thank you very much. > Index: linux/mm/vmalloc.c > === > --- linux.orig/mm/vmalloc.c > +++ linux/mm/vmalloc.c > @@ -431,7

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

2007-05-02 Thread Kay Sievers
On 5/2/07, Greg KH <[EMAIL PROTECTED]> wrote: On Wed, May 02, 2007 at 12:10:00AM -0700, Andrew Morton wrote: > On Wed, 02 May 2007 09:01:22 +0200 Tilman Schmidt <[EMAIL PROTECTED]> wrote: > > > Am 30.04.2007 21:46 schrieb Andrew Morton: > > > Not really - everything's tangled up. A bisection

Re: [git pull] New firewire stack

2007-05-02 Thread Stefan Richter
Christoph Hellwig wrote: > On Tue, May 01, 2007 at 04:27:11PM -0400, Kristian H??gsberg wrote: >> Hi Linus, >> >> As you may know, we've been working on a new FireWire stack over on >> linux1394-devel. The main driver behind this work is to get a small, >> maintainable and supportable FireWire

Re: [ck] [REPORT] 2.6.21.1 vs 2.6.21-sd046 vs 2.6.21-cfs-v6

2007-05-02 Thread Con Kolivas
On Monday 30 April 2007 18:05, Michael Gerdau wrote: > i list, > > meanwhile I've redone my numbercrunching tests with the following kernels: > 2.6.21.1 (mainline) > 2.6.21-sd046 > 2.6.21-cfs-v6 > running on a dualcore x86_64. > [I will run the same test with 2.6.21.1-cfs-v7 over the

Re: sparse -Wptr-subtraction-blows: still needed?

2007-05-02 Thread Andi Kleen
Dave Jones <[EMAIL PROTECTED]> writes: > > #define __page_to_pfn(page) ((unsigned long)((page) - mem_map) + \ > ARCH_PFN_OFFSET) > > looks like the other two variants of __page_to_pfn also use similar > arithmatic. No way around this. The only way to turn a

Re: condingstyle, was Re: utrace comments

2007-05-02 Thread David Howells
Eric W. Biederman <[EMAIL PROTECTED]> wrote: > > But the condition doesn't line up with the code: > > Exactly. The condition not lining up with the following code helps > code helps separate the two. Sorry about that: I realised you were agreeing with me about 5s after I sent the message. >

Re: [linux-dvb] Re: DST/BT878 module customization (.. was: Critical points about ...)

2007-05-02 Thread Uwe Bugla
Original-Nachricht Datum: Wed, 2 May 2007 04:10:03 -0700 (PDT) Von: Trent Piepho <[EMAIL PROTECTED]> An: Mauro Carvalho Chehab <[EMAIL PROTECTED]> CC: [EMAIL PROTECTED], linux-kernel@vger.kernel.org, Manu Abraham <[EMAIL PROTECTED]> Betreff: Re: [linux-dvb] Re: DST/BT878 module

Re: Race between RCU and rmmod

2007-05-02 Thread Dipankar Sarma
On Wed, May 02, 2007 at 12:50:24PM +0100, David Howells wrote: > > Hi Dipankar, Rusty, > > I seem to have found a race between RCU and rmmod. What I see appears to be > an RCU destructor function that has a call pending but lives in a module, gets > deleted before the RCU callback is processed:

Re: sparse -Wptr-subtraction-blows: still needed?

2007-05-02 Thread Alan Cox
On Tue, 1 May 2007 17:24:54 -0700 (PDT) Linus Torvalds <[EMAIL PROTECTED]> wrote: > > > On Tue, 1 May 2007, Josh Triplett wrote: > > > > Do you know whether the current version of GCC generates poor code for > > pointer > > subtraction? > > You _cannot_ generate good code. > > When you

Re: [PATCH -utrace] Move utrace into task_struct

2007-05-02 Thread Jan Engelhardt
On May 2 2007 15:32, Alexey Dobriyan wrote: >--- a/include/linux/utrace.h >+++ b/include/linux/utrace.h >@@ -50,11 +50,30 @@ #include > > struct linux_binprm; > struct pt_regs; >-struct utrace; >+struct task_struct; > struct utrace_signal; > struct utrace_regset; > struct utrace_regset_view; >

[PATCH] scripts/basic/fixdep segfault on pathological string-o-death

2007-05-02 Thread Andy Green
build scripts: fixdep blows segfault on string CONFIG_MODULE seen The string "CONFIG_MODULE" appearing anywhere in a source file causes fixdep to segfault. This string appeared in the wild in the current mISDN sources (I think they meant CONFIG_MODULES). But it shouldn't segfault (esp as

Re: 24 lost ticks with 2.6.20.10 kernel

2007-05-02 Thread Andi Kleen
Michel Lespinasse <[EMAIL PROTECTED]> writes: > > running with report_lost_ticks, I see the following: > > May 1 12:58:57 server kernel: time.c: Lost 24 timer tick(s)! rip > _spin_unlock_irqrestore+0x8/0x9) > May 1 12:58:59 server kernel: time.c: Lost 24 timer tick(s)! rip >

Re: condingstyle, was Re: utrace comments

2007-05-02 Thread Eric W. Biederman
David Howells <[EMAIL PROTECTED]> writes: > Eric W. Biederman <[EMAIL PROTECTED]> wrote: > >> Not lining up with the code following the if statement is also >> a plus. Because it clearly delineates the conditions from the code. > > But the condition doesn't line up with the code: Exactly. The

Re: so ... what *are* candidates for removal?

2007-05-02 Thread Neil Brown
On Wednesday May 2, [EMAIL PROTECTED] wrote: > On Wed, 2 May 2007, John Anthony Kazos Jr. wrote: > > argh. the whole point of this discussion is to come to a *consensus* > on what should be in that feature removal file. there is no point in > creating and submitting patches, either to update

Race between RCU and rmmod

2007-05-02 Thread David Howells
Hi Dipankar, Rusty, I seem to have found a race between RCU and rmmod. What I see appears to be an RCU destructor function that has a call pending but lives in a module, gets deleted before the RCU callback is processed: RIP: 0010:[] [] RSP: 0018:805a4f08 EFLAGS: 00010296 RAX:

Re: [PATCH]: linux-2.6.21-uc0 (MMU-less updates)

2007-05-02 Thread Greg Ungerer
Hi Robin, Robin Getz wrote: On Wed 2 May 2007 01:23, Greg Ungerer pondered: Hi All, An update of the uClinux (MMU-less) code against 2.6.21. A lot of cleanups, and a few bug fixes. Ahead is more changes to finalize platform device support for the new style ColdFire serial driver, and

Re: [PATCH 16/21] sysfs: implement bin_buffer

2007-05-02 Thread Tejun Heo
Satyam Sharma wrote: >> Yes, I saw that, but you could change it just as well. In any case, >> this will only make fs/sysfs/bin.c similar to what is being done in >> fs/sysfs/file.c. We allocate the buffer page backing the attribute's >> data in fill_read_buffer() and fill_write_buffer() using >>

Re: Memory consumption on linux

2007-05-02 Thread Andi Kleen
Christian Schmidt <[EMAIL PROTECTED]> writes: > Global cache is easy to understand - file system / inode caches. What > exactly is buffers, though? http://www.halobates.de/memorywaste.pdf and http://www.halobates.de/memory.pdf give some overview of in kernel memory users. -Andi - To

[PATCH -utrace] Move utrace into task_struct

2007-05-02 Thread Alexey Dobriyan
This patch moves "struct utrace" into "struct task_struct" directly instead of being referenced by a pointer from task_struct. The main reason is utrace code leaving stale ->utrace pointer and freeing "struct utrace" itself. This manifests as crashes in __rcu_process_callbacks() and other nasties.

Re: Ext3 vs NTFS performance

2007-05-02 Thread Andi Kleen
Andrew Morton <[EMAIL PROTECTED]> writes: > > Conceivably we could address this in the filesystem without mucking other > things up. But I'd have thought the simplest damage-control would be to > detect this pattern in samba and to then use glibc's fallocate(). The advantage of detecting it in

Re: [patch] CFS scheduler, -v8

2007-05-02 Thread Ingo Molnar
* Balbir Singh <[EMAIL PROTECTED]> wrote: > The problem is with comparing a s64 values with (s64)ULONG_MAX, which > evaluates to -1. Then we check if exec_delta64 and fair_delta64 are > greater than (s64)ULONG_MAX (-1), if so we assign (s64)ULONG_MAX to > the respective values. ah, indeed

Re: [linux-dvb] Re: DST/BT878 module customization (.. was: Critical points about ...)

2007-05-02 Thread Trent Piepho
On Tue, 1 May 2007, Mauro Carvalho Chehab wrote: > Em Ter, 2007-05-01 ??s 16:16 -0700, Trent Piepho escreveu: > > On Tue, 1 May 2007, Mauro Carvalho Chehab wrote: > > > With this configuration, dvb-bt8xx hangs during initialization, > > > generating an OOPS, if you have a board with DST (modprobe

Re: [PATCH] mmconfig: Some additional chipset register values validation.

2007-05-02 Thread Olivier Galibert
On Wed, May 02, 2007 at 11:52:36AM +0200, Andi Kleen wrote: > On Wednesday 02 May 2007 02:50:11 Olivier Galibert wrote: > > On i945, a mmconfig range hitting the f000- zone conflicts > > with the APIC registers and others. Consider it invalid. > > > > On E7520, values and f000

Re: [patches] [PATCH] [28/34] i386: pte xchg optimization

2007-05-02 Thread Andi Kleen
> I always wondered why the xchg is necessary here at all. If the process of > tearing down a page table entry has started, other users of the mapped > linear address are broken anyway - why is it necessary to still monitor the > effect they may have on the A/D bits, unless this is a transient

Re: [patch] CFS scheduler, -v8

2007-05-02 Thread Balbir Singh
Ingo Molnar wrote: * Balbir Singh <[EMAIL PROTECTED]> wrote: With -v7 I would run the n/n+1 test. Basically on a system with n cpus, I would run n+1 tasks and see how their load is distributed. I usually find that the last two tasks would get stuck on one CPU on the system and would get half

/sys/devices/system/cpu/*: Present cpus or Possible cpus

2007-05-02 Thread Gautham R Shenoy
Hi! Looking at the topology_init() code, I observe that the meaning of the cpuX/ directory entries in /sys/devices/system/cpu/ might be different for different architectures. Looks like, in case of i386, ia64, m32, mips etc, the cpuX directory entries represent the "present cpus". However, in

Re: so ... what *are* candidates for removal?

2007-05-02 Thread Robert P. J. Day
On Wed, 2 May 2007, John Anthony Kazos Jr. wrote: > stefan richter wrote: > > We have to try to avoid this waste of resources when we put > > features into feature-removal-schedule.txt. That's what I meant > > with "the hard part" in the other post. > > > > BTW, of course it doesn't suffice to

Re: [patches] [PATCH] [28/34] i386: pte xchg optimization

2007-05-02 Thread Jan Beulich
>>> Andi Kleen <[EMAIL PROTECTED]> 30.04.07 17:50 >>> > >From: Zachary Amsden <[EMAIL PROTECTED]> > >In situations where page table updates need only be made locally, and there is >no cross-processor A/D bit races involved, we need not use the heavyweight >xchg instruction to atomically fetch and

Re: [patch 20/38] Minor fault path optimization.

2007-05-02 Thread Christoph Hellwig
On Wed, May 02, 2007 at 12:45:06PM +0200, Martin Schwidefsky wrote: > I thought about using a direct call for s390 as well. The advantage of a > direct call is that it avoids the overhead of a notifier call even if > kprobes is running. The disadvantage is that there cannot be a second > consumer

Re: [PATCH] [24/30] x86_64: Shut up warnings for vfat compat ioctls on other file systems

2007-05-02 Thread Andi Kleen
On Tuesday 01 May 2007 17:45:52 Chuck Ebbert wrote: > Andi Kleen wrote: > > vfat implements compat handlers for these ioctls, but when they > > were executed on other file systems the kernel would still complain > > about an unknown compat ioctl. Just declare them as compatible > > and let them

Re: [patch 20/38] Minor fault path optimization.

2007-05-02 Thread Martin Schwidefsky
On Sat, 2007-04-28 at 09:34 +0100, Christoph Hellwig wrote: > Well, here's my powerpc patch to do the direct call that I sent out > a few weeks ago. It not just speed up the pagefault path a lot, > but also is a major code cleanup. Andi and Anton didn't like it > because they have ambition for

Re: 2.6.22 -mm merge plans

2007-05-02 Thread Andi Kleen
> It is currently used as an instrumentation infrastructure for the LTTng > tracer at IBM, Google, Autodesk, Sony, MontaVista and deployed in > WindRiver products. The SystemTAP project also plan to use this type of > infrastructure to trace sites hard to instrument. The Linux Kernel > Markers

Re: [patch] CFS scheduler, -v8

2007-05-02 Thread Ingo Molnar
* Mike Galbraith <[EMAIL PROTECTED]> wrote: > On Tue, 2007-05-01 at 23:22 +0200, Ingo Molnar wrote: > > - interactivity: precise load calculation and load smoothing > > This seems to help quite a bit. great :) > (5 second top sample) > > 2636 root 15 -5 19148 15m 5324 R 73 1.5

Re: [PATCH]: linux-2.6.21-uc0 (MMU-less updates)

2007-05-02 Thread Greg Ungerer
Hi Christoph, Christoph Hellwig wrote: On Wed, May 02, 2007 at 03:23:33PM +1000, Greg Ungerer wrote: Hi All, An update of the uClinux (MMU-less) code against 2.6.21. A lot of cleanups, and a few bug fixes. Any chance you could split this into a few patches and send upstream? m68knommu has

Re: [patch 02/10] i386 pci: type may be unused

2007-05-02 Thread Andi Kleen
On Wednesday 02 May 2007 06:28:22 David Rientjes wrote: > In the case of !CONFIG_PCI_DIRECT && !CONFIG_PCI_MMCONFIG, type is > unreferened. The patch didn't compile on i386 defconfig. Fixed now but please compile test future patches. -Andi - To unsubscribe from this list: send the line

Re: so ... what *are* candidates for removal?

2007-05-02 Thread Stefan Richter
John Anthony Kazos Jr. wrote: [I wrote] >> BTW, of course it doesn't suffice to say "we can't remove it yet" after >> the due day. There need to be well-founded reasons for another >> deferral. [...] > So when this sort of thing comes up, why can't somebody put together a > trivial patch to

Re: 2.6.22 -mm merge plans

2007-05-02 Thread Andi Kleen
On Wed, May 02, 2007 at 10:31:10AM +1000, Rusty Russell wrote: > On Tue, 2007-05-01 at 14:17 +0200, Andi Kleen wrote: > > Andrew Morton <[EMAIL PROTECTED]> writes: > > > Will merge the rustyvisor. > > > > IMHO the user code still doesn't belong into Documentation. > > Also it needs another review

Re: Strange UDP Issue on 2.6.20.8 - broadcasts not being received if socket bound to local ip

2007-05-02 Thread David Miller
SO_BROADCAST controls sending, not receiving. This definition comes from the BSD sockets API, even Stevens TCP/IP Illustrated Volume 2, page 437, figure 15.4 clearly states that SO_BROADCAST means "socket can send broadcast messages". It says nothing about receiving and the BSD implementation

Re: [patch] CFS scheduler, -v8

2007-05-02 Thread Ingo Molnar
* Ting Yang <[EMAIL PROTECTED]> wrote: > My name is Ting Yang, a graduate student from UMASS. I am currently > studying the linux scheduler and virtual memory manager to solve some > page swapping problems. I am very excited with the new scheduler CFS. > After I read through your code, I

Re: Correct location for ADC/DAC drivers

2007-05-02 Thread Stefan Roese
On Tuesday 01 May 2007 23:03, Guennadi Liakhovetski wrote: > On Tue, 1 May 2007, Stefan Roese wrote: > > I'm in the stage of integrating some ADC and DAC drivers for the AMCC > > 405EZ PPC and looking for the correct location to place these drivers in > > the Linux source tree. The drivers are

Re: [PATCH -mm] working 3D/DRI intel-agp.ko resume for i815 chip; Intel chipset testers wanted! (was: Re: intel-agp PM experiences ...)

2007-05-02 Thread Pavel Machek
Hi! > > > > > Especially the PCI video_state trick finally got me a working resume > > > > > on > > > > > 2.6.19-ck2 r128 Rage Mobility M4 AGP *WITH*(!) fully enabled and > > > > > working > > > > > (and keeping working!) DRI (3D). > > > > > > > > Can we get whitelist entry for suspend.sf.net?

Re: Strange UDP Issue on 2.6.20.8 - broadcasts not being received if socket bound to local ip

2007-05-02 Thread Eric Dumazet
On Wed, 2 May 2007 05:55:28 -0400 "Dylan Taft" <[EMAIL PROTECTED]> wrote: > I've been pulling my hair out for the past several hours trying to > debug a program in wine. I'm currently on kernel 2.6.20.8. The > problem was that I was not getting any broadcasts to 255.255.255.255 > on a UDP

Re: so ... what *are* candidates for removal?

2007-05-02 Thread John Anthony Kazos Jr.
> >> Regarding features that are overdue for removal according to > >> feature-removal-schedule.txt: > >> > >> I remember that at least one person used to watch for due dates for > >> feature removal, wrote the removing patches, and sent them to the > >> appropriate lists and maintainers. This

Re: [patch] CFS scheduler, -v8

2007-05-02 Thread Ingo Molnar
* Balbir Singh <[EMAIL PROTECTED]> wrote: > With -v7 I would run the n/n+1 test. Basically on a system with n > cpus, I would run n+1 tasks and see how their load is distributed. I > usually find that the last two tasks would get stuck on one CPU on the > system and would get half the cpu

Re: [patch] CFS scheduler, -v8

2007-05-02 Thread hui
On Tue, May 01, 2007 at 10:57:14PM -0400, Ting Yang wrote: > Based on my understanding, adopting something like EEVDF in CFS should > not be very difficult given their similarities, although I do not have > any idea on how this impacts the load balancing for SMP. Does this worth > a try? > >

Re: [RFC BUG?] dereference PAGE_OFFSET address (rc7-mm2)

2007-05-02 Thread Bill Irwin
On Wed, May 02, 2007 at 12:51:40AM -0700, Andrew Morton wrote: >> Thanks for the report. I can reproduce it. >> Bisection shows that x86_64-mm-paravirt-initial-pagetable.patch caused >> this. >> I didn't check whether the patch actually permits us to read kernel >> memory. Probably it does.

[RFC] splice() and readahead interaction

2007-05-02 Thread Eric Dumazet
Hi Wu Since you work on readahead, could you please find the reason following program triggers a problem in splice() syscall ? Description : I tried to use splice(SPLICE_F_NONBLOCK) in a non blocking environnement, in an attempt to implement cheap AIO, and zero-copy splice() feature. I

Re: [PATCH] crypto: convert "crypto" subdirectory to UTF-8

2007-05-02 Thread Herbert Xu
John Anthony Kazos Jr. <[EMAIL PROTECTED]> wrote: > > (Were you able to successfully apply the patch attached in octet-stream > encoding?) Yes it worked fine. Thanks, -- Visit Openswan at http://www.openswan.org/ Email: Herbert Xu ~{PmV>HI~} <[EMAIL PROTECTED]> Home Page:

Re: [PATCH] crypto: convert "crypto" subdirectory to UTF-8

2007-05-02 Thread John Anthony Kazos Jr.
> > Convert the subdirectory "crypto" to UTF-8. The files changed are > > and . > > > > Signed-off-by: John Anthony Kazos Jr. <[EMAIL PROTECTED]> > > Thanks. Could you fix up include/linux/crypto.h as well? Sure, will do. Since I've gotten almost no feedback about these patches whatsoever,

Re: [PATCH] Remove unnecessary irq disabling

2007-05-02 Thread Andi Kleen
> > What does that break, or was it already broken and this fixes it? > I think neither. This function is only called at early bootup, > (start_secondary() ), and most of its callees have interrupts off anyway. > But maybe we do lose something. Andi, do you have a word on this? We need to enable

Re: [alsa-devel] Boot failure with 2.6.21 with snd-maestro3

2007-05-02 Thread Takashi Iwai
At Sun, 29 Apr 2007 14:09:29 -0700 (PDT), Giridhar Pemmasani wrote: > > --- Adrian Bunk <[EMAIL PROTECTED]> wrote: > > > On Sun, Apr 29, 2007 at 09:55:18AM -0700, Giridhar Pemmasani wrote: > > > When snd-maestro3 (ESS Maestro 3 driver) is enabled, kernel 2.6.21 fails > > to > > > boot - it seems

Strange UDP Issue on 2.6.20.8 - broadcasts not being received if socket bound to local ip

2007-05-02 Thread Dylan Taft
I've been pulling my hair out for the past several hours trying to debug a program in wine. I'm currently on kernel 2.6.20.8. The problem was that I was not getting any broadcasts to 255.255.255.255 on a UDP socket bound to 192.168.0.8 with SO_BROADCAST enabled. I was fiddling around a bit,

Re: [PATCH] mmconfig: Some additional chipset register values validation.

2007-05-02 Thread Andi Kleen
On Wednesday 02 May 2007 02:50:11 Olivier Galibert wrote: > On i945, a mmconfig range hitting the f000- zone conflicts > with the APIC registers and others. Consider it invalid. > > On E7520, values and f000 for the window register are defined > invalid in the documentation.

Re: so ... what *are* candidates for removal?

2007-05-02 Thread Stefan Richter
Robert P. J. Day wrote: > On Wed, 2 May 2007, Stefan Richter wrote: > >> Regarding features that are overdue for removal according to >> feature-removal-schedule.txt: >> >> I remember that at least one person used to watch for due dates for >> feature removal, wrote the removing patches, and sent

Re: [PATCH 8/8] Per-container pages reclamation

2007-05-02 Thread Balbir Singh
Pavel Emelianov wrote: Implement try_to_free_pages_in_container() to free the pages in container that has run out of memory. The scan_control->isolate_pages() function isolates the container pages only. +#ifdef CONFIG_RSS_CONTAINER +unsigned long try_to_free_pages_in_container(struct

[PATCH] Bluetooth: postpone hci_dev unregistration

2007-05-02 Thread Jiri Kosina
(I sent this a week ago but it seems to have got lost in other noise, resending) From: Jiri Kosina <[EMAIL PROTECTED]> Bluetooth: postpone hci_dev unregistration Commit b40df57 substituted bh_lock_sock() in hci_sock_dev_event() for lock_sock() when unregistering HCI device, in order to

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

2007-05-02 Thread Tilman Schmidt
On Wed, 2 May 2007 00:43:05 -0700, "Greg KH" <[EMAIL PROTECTED]> said: > > > And the winner is: > > > > > > gregkh-driver-driver-core-make-uevent-environment-available-in-uevent-file.patch > > > > > > Reverting only that from 2.6.21-rc7-mm2 gives me a working kernel > > > again. > > Wait, even

Re: [PATCH] [30/30] x86_64: Add missing !X86_PAE dependincy to the 2G/2G split.

2007-05-02 Thread Andi Kleen
On Tuesday 01 May 2007 19:00:46 Bill Irwin wrote: > Bill Irwin a écrit : > >> as a stopgap measure, but I'm not all that interested in grabbing patch > >> credits where others could do it easily enough. Either of the config > >> alterations is fine by me as they now stand; maybe Eric Dumazet might

Re: [PATCH 2/6] Create asm-i386/cmpxchg.h

2007-05-02 Thread Andi Kleen
On Tuesday 01 May 2007 20:21:57 Jeff Dike wrote: > Rearrange the i386 cmpxchg code to allow atomic.h to get it without > needing to include system.h. This kills warnings in the UML build > from atomic.h about implicit declarations of cmpxchg symbols. The > i386 build presumably isn't seeing this

Re: [PATCH] Add LZO1X compression support to the kernel

2007-05-02 Thread Pekka Enberg
On 5/2/07, Richard Purdie <[EMAIL PROTECTED]> wrote: I realise a maze of ifdefs still remain. I've already spent a lot of time removing a ton of them and going much further might start to affect diffability of the code - I hoping whats there is a good compromise. I really don't think this is

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

2007-05-02 Thread Andi Kleen
> Looks like you hit: > BUG_ON(flags & ~(GFP_DMA | GFP_LEVEL_MASK | __GFP_NO_GROW)); > > I guess this was due to the vmalloc_32() change now passing in > GFP_DMA32. Looks like that could be a problem with the > x86_64-mm-vmalloc-32 patch. Andi? Does this patch help? Index:

Re: condingstyle, was Re: utrace comments

2007-05-02 Thread David Howells
Eric W. Biederman <[EMAIL PROTECTED]> wrote: > Not lining up with the code following the if statement is also > a plus. Because it clearly delineates the conditions from the code. But the condition doesn't line up with the code: if (veryverylengthycondition1 && smallcond2

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

2007-05-02 Thread Gerd Hoffmann
Jeremy Fitzhardinge wrote: 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

Re: VMware, x86_64 and 2.6.21.

2007-05-02 Thread Petr Vandrovec
Nigel Cunningham wrote: Hi Arjan. On Tue, 2007-05-01 at 07:57 -0700, Arjan van de Ven wrote: On Tue, 2007-05-01 at 15:42 +1000, Nigel Cunningham wrote: Hi. Does anyone have VMware working on x86_64 with 2.6.21? It's working fine for me with 2.6.20, but freezes the whole computer with 2.6.21.

Re: arch/i386/boot rewrite, and all the hard-coded video cards

2007-05-02 Thread Andi Kleen
On Wednesday 02 May 2007 09:46:07 Martin Mares wrote: > Hi! > > > I mean the SVGA chip-specific code. > > Feel free to kill it, anybody using these cards is very unlikely to run > a 2.6.x kernel. I agree; that code can all go. What also seems to miss are the early CPUID checks I recently added

Re: [PATCH] [1/1] CPU-i386-Geode: Chipset access macros do not work as expected (2nd try)

2007-05-02 Thread Andi Kleen
> Most comments states Cyrix CPUs when they are using the macros. Is anything > with Cyrix 64 bit relevant? Maybe "include/asm-x86_64/processor.h" is a > simple copy of "include/asm-i386/processor.h" and nobody delete the unused > macros? It was originally deleted but later readded when the

Re: 2.6.22 -mm merge plans -- vm bugfixes

2007-05-02 Thread Nick Piggin
Nick Piggin wrote: Hugh Dickins wrote: On Tue, 1 May 2007, Nick Piggin wrote: There were concerns that we could do this more cheaply, but I think it is important to start with a base that is simple and more likely to be correct and build on that. My testing didn't show any obvious problems

Re: [patch] CFS scheduler, -v8

2007-05-02 Thread Balbir Singh
Ingo Molnar wrote: Changes since -v7: - powerpc debug output and build warning fixes (Balbir Singh) - documentation fixes (Zach Carter) - interactivity: precise load calculation and load smoothing As usual, any sort of feedback, bugreport, fix and suggestion is more than welcome,

Re: [PATCH]: linux-2.6.21-uc0 (MMU-less updates)

2007-05-02 Thread Christoph Hellwig
On Wed, May 02, 2007 at 03:23:33PM +1000, Greg Ungerer wrote: > Hi All, > > An update of the uClinux (MMU-less) code against 2.6.21. > A lot of cleanups, and a few bug fixes. Any chance you could split this into a few patches and send upstream? m68knommu has gone quite badly out of sync once

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