Re: [PATCH 1/8] compacting file_ra_state

2007-07-20 Thread Andi Kleen
On Fri, Jul 20, 2007 at 09:27:01PM -0700, Linus Torvalds wrote: > > > On Sat, 21 Jul 2007, Fengguang Wu wrote: > > > > Sorry, forgot to prefix the patch titles with [readahead]. > > Should I repost? > > Not for me, but on the other hand, I'd prefer for this to be in -mm a bit, Haven't the

Re: [RFC, Announce] Unified x86 architecture, arch/x86

2007-07-20 Thread Steven Rostedt
> On Saturday 21 July 2007 01:55, Michal Piotrowski wrote: > > > > I really like this idea - code duplication is a bad thing. > > Did you actually look at the patch? It doesn't have a single line > less duplication than there was before. Everything that could > be easily shared was shared

Re: [PATCH 6/7] radixtree: introduce radix_tree_scan_hole()

2007-07-20 Thread Andrew Morton
On Sat, 21 Jul 2007 12:43:06 +0800 Fengguang Wu <[EMAIL PROTECTED]> wrote: > Introduce radix_tree_scan_hole(root, index, max_scan) to scan radix tree > for the first hole. It will be used in interleaved readahead. If you're ever feeling fantastically bored, please consider updating the userspace

Re: [PATCH 2/7] console: fix section mismatch warning in vgacon.c

2007-07-20 Thread Sam Ravnborg
On Sat, Jul 21, 2007 at 07:37:29AM +0800, Antonino A. Daplas wrote: > On Fri, 2007-07-20 at 23:27 +0200, Sam Ravnborg wrote: > > Fix following section mismatch warning: > > WARNING: vmlinux.o(.text+0x121e62): Section mismatch: reference to > > .init.text:__alloc_bootmem (between 'vgacon_startup'

Re: [RFC, Announce] Unified x86 architecture, arch/x86

2007-07-20 Thread Andi Kleen
On Saturday 21 July 2007 01:55, Michal Piotrowski wrote: > Hi, > > On 21/07/07, Thomas Gleixner <[EMAIL PROTECTED]> wrote: > > We are pleased to announce a project we've been working on for some > > time: the unified x86 architecture tree, or "arch/x86" - and we'd like > > to solicit feedback

Re: [RFC, Announce] Unified x86 architecture, arch/x86

2007-07-20 Thread Andi Kleen
On Saturday 21 July 2007 00:32, Thomas Gleixner wrote: > We are pleased to announce a project we've been working on for some > time: the unified x86 architecture tree, or "arch/x86" - and we'd like > to solicit feedback about it. Well you know my position on this. I think it's a bad idea because

Re: [linux-pm] Re: Hibernation considerations

2007-07-20 Thread Nigel Cunningham
Hi. On Saturday 21 July 2007 08:43:20 [EMAIL PROTECTED] wrote: > On Fri, 20 Jul 2007, Alan Stern wrote: > > > On Fri, 20 Jul 2007, Jeremy Maitin-Shepard wrote: > > > when doing a suspend-to-ram you get to a point where you just don't use > any userspace. > >> > >>> What do you mean?

Re: where is the code for read system call?

2007-07-20 Thread Folkert van Heusden
> My application reads from socket. I need to change the behavior of read > system call for an experiment. Can someone point me to code? Wouldn't it be easier to create a preload-library-wrapper around glibc? Folkert van Heusden -- MultiTail is a versatile tool for watching logfiles and

[GIT PULL] please pull infiniband.git

2007-07-20 Thread Roland Dreier
Linus, please pull from master.kernel.org:/pub/scm/linux/kernel/git/roland/infiniband.git for-linus This tree is also available from kernel.org mirrors at: git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband.git for-linus This will get another small batch of changes for

[PATCH 0/7] readahead cleanups and interleaved readahead take 3

2007-07-20 Thread Fengguang Wu
Andrew, The following patches are based on yesterday's discussions, compiled and tested OK: smaller file_ra_state: [PATCH 1/7] readahead: compacting file_ra_state [PATCH 2/7] readahead: mmap read-around simplification [PATCH 3/7] readahead: combine

[PATCH 2/7] readahead: mmap read-around simplification

2007-07-20 Thread Fengguang Wu
Fold file_ra_state.mmap_hit into file_ra_state.mmap_miss and make it an int. Signed-off-by: Fengguang Wu <[EMAIL PROTECTED]> --- include/linux/fs.h |3 +-- mm/filemap.c |4 ++-- 2 files changed, 3 insertions(+), 4 deletions(-) --- linux-2.6.22-rc6-mm1.orig/include/linux/fs.h +++

[PATCH 3/7] readahead: combine file_ra_state.prev_index/prev_offset into prev_pos

2007-07-20 Thread Fengguang Wu
Combine the file_ra_state members unsigned long prev_index unsigned int prev_offset into loff_t prev_pos It is more consistent and better supports huge files. Thanks to Peter for the nice proposal!

[PATCH 1/7] readahead: compacting file_ra_state

2007-07-20 Thread Fengguang Wu
Use 'unsigned int' instead of 'unsigned long' for readahead sizes. This helps reduce memory consumption on 64bit CPU when a lot of files are opened. CC: Andi Kleen <[EMAIL PROTECTED]> Signed-off-by: Fengguang Wu <[EMAIL PROTECTED]> --- include/linux/fs.h |8 mm/filemap.c |

[PATCH 6/7] radixtree: introduce radix_tree_scan_hole()

2007-07-20 Thread Fengguang Wu
Introduce radix_tree_scan_hole(root, index, max_scan) to scan radix tree for the first hole. It will be used in interleaved readahead. The implementation is dumb and obviously correct. It can help debug(and document) the possible smart one in future. Cc: Nick Piggin <[EMAIL PROTECTED]>

[PATCH 5/7] readahead: remove the limit max_sectors_kb imposed on max_readahead_kb

2007-07-20 Thread Fengguang Wu
Remove the size limit max_sectors_kb imposed on max_readahead_kb. The size restriction is unreasonable. Especially when max_sectors_kb cannot grow larger than max_hw_sectors_kb, which can be rather small for some disk drives. Cc: Jens Axboe <[EMAIL PROTECTED]> Signed-off-by: Fengguang Wu <[EMAIL

[PATCH 4/7] readahead: remove several readahead macros

2007-07-20 Thread Fengguang Wu
Remove VM_MAX_CACHE_HIT, MAX_RA_PAGES and MIN_RA_PAGES. Signed-off-by: Fengguang Wu <[EMAIL PROTECTED]> --- include/linux/mm.h |2 -- mm/readahead.c | 10 +- 2 files changed, 1 insertion(+), 11 deletions(-) --- linux-2.6.22-rc6-mm1.orig/include/linux/mm.h +++

[PATCH 7/7] readahead: basic support of interleaved reads

2007-07-20 Thread Fengguang Wu
This is a simplified version of the pagecache context based readahead. It handles the case of multiple threads reading on the same fd and invalidating each others' readahead state. It does the trick by scanning the pagecache and recovering the current read stream's readahead status. The algorithm

Re: [PATCH 1/8] compacting file_ra_state

2007-07-20 Thread Fengguang Wu
On Fri, Jul 20, 2007 at 09:27:01PM -0700, Linus Torvalds wrote: > > > On Sat, 21 Jul 2007, Fengguang Wu wrote: > > > > Sorry, forgot to prefix the patch titles with [readahead]. > > Should I repost? > > Not for me, but on the other hand, I'd prefer for this to be in -mm a bit, > even if it

Re: [PATCH 1/8] compacting file_ra_state

2007-07-20 Thread Linus Torvalds
On Sat, 21 Jul 2007, Fengguang Wu wrote: > > Sorry, forgot to prefix the patch titles with [readahead]. > Should I repost? Not for me, but on the other hand, I'd prefer for this to be in -mm a bit, even if it does mean missing the merge window this time around. Linus - To

Re: [ofa-general] [PATCH 5/5] ehca: Support small QP queues

2007-07-20 Thread Roland Dreier
thanks, applied. I fixed this up myself to work with commit 20c2df83, which got rid of the destructor argument to kmem_cache_create() -- you probably want to check my tree to make sure it's OK. Also the same as I said before about checkpatch.pl's warning: WARNING: externs should be avoided in

Fixing lables after GNU indent (Re: [PATCH 1/2] run scripts/Lindent on it to match Documentation/CodingStyle)

2007-07-20 Thread Oleg Verych
[] > > > sed -i -e 's/^\t* \(\w*:\)/ \1/' "$@" > > > > > > which will replace the leading tabs and spaces with one space. > > > It should leave case labels unmolested, as they should be indented with > > > tabs, not 6 spaces. > > > > > > Any regexp ninjas want to have a go at something

Re: [PATCH 3/5] ehca: Make ehca2ib_return_code() non-inline

2007-07-20 Thread Roland Dreier
thanks, applied - 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/

Re: [PATCH 2/5] ehca: Generate event when SRQ limit reached

2007-07-20 Thread Roland Dreier
thanks, applied. BTW, does your SRQ-capable hardware support generating the "last WQE reached" event? There's not any reliable way to avoid problems when destroying QPs attached to an SRQ without it, and the IB spec requires CAs that support SRQs to generate it (o11-5.2.5 in chapter 11 of vol

Re: [PATCH 1/8] compacting file_ra_state

2007-07-20 Thread Fengguang Wu
Sorry, forgot to prefix the patch titles with [readahead]. Should I repost? - 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

Re: [ofa-general] [PATCH 1/5] ehca: Supports large page MRs

2007-07-20 Thread Roland Dreier
I applied this, but I agree with checkpatch.pl: > WARNING: externs should be avoided in .c files > #227: FILE: drivers/infiniband/hw/ehca/ehca_mrmw.c:67: > +extern int ehca_mr_largepage; > > WARNING: externs should be avoided in .c files > #949: FILE:

[PATCH 4/8] trivial filemap.c cleanups

2007-07-20 Thread Fengguang Wu
- remove unused local next_index in do_generic_mapping_read() - convert some 'unsigned long' to pgoff_t - wrap a long line Signed-off-by: Fengguang Wu <[EMAIL PROTECTED]> --- mm/filemap.c | 16 +++- 1 file changed, 7 insertions(+), 9 deletions(-) ---

[PATCH 2/8] mmap read-around simplification

2007-07-20 Thread Fengguang Wu
Fold file_ra_state.mmap_hit into file_ra_state.mmap_miss and make it an int. Signed-off-by: Fengguang Wu <[EMAIL PROTECTED]> --- include/linux/fs.h |3 +-- mm/filemap.c |4 ++-- 2 files changed, 3 insertions(+), 4 deletions(-) --- linux-2.6.22-git15.orig/include/linux/fs.h +++

[PATCH 6/8] remove the limit max_sectors_kb imposed on max_readahead_kb

2007-07-20 Thread Fengguang Wu
Remove the size limit max_sectors_kb imposed on max_readahead_kb. The size restriction is unreasonable. Especially when max_sectors_kb cannot grow larger than max_hw_sectors_kb, which can be rather small for some disk drives. Cc: Jens Axboe <[EMAIL PROTECTED]> Signed-off-by: Fengguang Wu <[EMAIL

[PATCH 7/8] introduce radix_tree_scan_hole()

2007-07-20 Thread Fengguang Wu
Introduce radix_tree_scan_hole(root, index, max_scan) to scan radix tree for the first hole. It will be used in interleaved readahead. The implementation is dumb and obviously correct. It can help debug(and document) the possible smart one in future. Cc: Nick Piggin <[EMAIL PROTECTED]>

[PATCH 3/8] combine file_ra_state.prev_index/prev_offset into prev_pos

2007-07-20 Thread Fengguang Wu
Combine the file_ra_state members unsigned long prev_index unsigned int prev_offset into loff_t prev_pos It is more consistent and better supports huge files. Thanks to Peter for the nice proposal!

[PATCH 5/8] remove several readahead macros

2007-07-20 Thread Fengguang Wu
Remove VM_MAX_CACHE_HIT, MAX_RA_PAGES and MIN_RA_PAGES. Signed-off-by: Fengguang Wu <[EMAIL PROTECTED]> --- include/linux/mm.h |2 -- mm/readahead.c | 10 +- 2 files changed, 1 insertion(+), 11 deletions(-) --- linux-2.6.22-git15.orig/include/linux/mm.h +++

[PATCH 0/8] readahead cleanups and interleaved readahead take 2

2007-07-20 Thread Fengguang Wu
Linus, To save you from some merge conflicts, I rebased this readahead patchset to 2.6.22-git5. The following patches are based on yesterday's discussions, compiled and tested OK. smaller file_ra_state: [PATCH 1/8] compacting file_ra_state

[PATCH 8/8] basic support of interleaved reads

2007-07-20 Thread Fengguang Wu
This is a simplified version of the pagecache context based readahead. It handles the case of multiple threads reading on the same fd and invalidating each others' readahead state. It does the trick by scanning the pagecache and recovering the current read stream's readahead status. The algorithm

[PATCH 1/8] compacting file_ra_state

2007-07-20 Thread Fengguang Wu
Use 'unsigned int' instead of 'unsigned long' for readahead sizes. This helps reduce memory consumption on 64bit CPU when a lot of files are opened. CC: Andi Kleen <[EMAIL PROTECTED]> Signed-off-by: Fengguang Wu <[EMAIL PROTECTED]> --- include/linux/fs.h |8 mm/readahead.c |

[PATCH] Kconfig: Remove top level menu "Code maturity level options"

2007-07-20 Thread Al Boldi
This patch removes the top level menu "Code maturity level options", and moves its options into menu "General setup". This makes Kconfig less cluttered and easier to setup. Cc: Andrew Morton <[EMAIL PROTECTED]> Signed-off-by: Al Boldi <[EMAIL PROTECTED]> --- --- a/init/Kconfig

Re: [broken-out-2007-07-20-00-22] kernel bug at kernel/params:570

2007-07-20 Thread Satyam Sharma
On 7/21/07, Satyam Sharma <[EMAIL PROTECTED]> wrote: Hopefully this bug should be 100% reproducible at boot time anyway. Don't care much for XFS and unionfs, but hoping deselecting ATA from the config doesn't change the variables much in this equation. ] Gargh! My system obviously cannot boot

Re: Documentation for sysfs, hotplug, and firmware loading.

2007-07-20 Thread Rob Landley
On Friday 20 July 2007 4:09:36 am Greg KH wrote: > On Fri, Jul 20, 2007 at 09:54:01AM +0200, Cornelia Huck wrote: > > On Fri, 20 Jul 2007 00:00:01 -0700, > > > > Greg KH <[EMAIL PROTECTED]> wrote: > > > > I don't insist on it, mknod insists on it. You cannot mknod a dev > > > > node without

Re: posible latency issues in seq_read

2007-07-20 Thread Eric Dumazet
Chris Friesen a écrit : Lee Revell wrote: On 7/20/07, Chris Friesen <[EMAIL PROTECTED]> wrote: We've run into an issue (on 2.6.10) where calling "lsof" triggers lost packets on our server. Preempt is disabled, and NAPI is enabled. Can you reproduce with a recent kernel? Lots of latency

Re: [PATCH] Use descriptor's functions instead of inline assembly

2007-07-20 Thread Chris Wright
* Glauber de Oliveira Costa ([EMAIL PROTECTED]) wrote: > This patch provides a new set of functions for managing the descriptor > tables that can be used instead of putting the raw assembly in .c files. Looks alright, some cleanups below > Remodeling of store_tr() suggested by Frederik Deweerdt.

Re: [PATCH] infiniband mlx4: potential leaks in __mlx4_ib_modify_qp

2007-07-20 Thread Roland Dreier
thanks, applied. - 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/

Re: [broken-out-2007-07-20-00-22] kernel bug at kernel/params:570

2007-07-20 Thread Satyam Sharma
[ Considering this has sufficiently excited me, I became the second person to illegitimately download 2.6.22-mm1 and am presently building Michal's config. The strange thing is that I couldn't get 22-mm1 to even build with the posted .config -- so had to deselect XFS, ATA, unionfs. Hopefully

Re: [PATCH 4/5] [V2] Define is_global_init() and is_container_init()

2007-07-20 Thread sukadev
Andrew Morton [EMAIL PROTECTED] wrote: | On Thu, 19 Jul 2007 00:21:58 -0700 | [EMAIL PROTECTED] wrote: | | > --- lx26-22-rc6-mm1a.orig/kernel/pid.c 2007-07-16 12:55:15.0 -0700 | > +++ lx26-22-rc6-mm1a/kernel/pid.c 2007-07-16 13:10:48.0 -0700 | > @@ -69,6 +69,13 @@ struct

Re: [RFC, Announce] Unified x86 architecture, arch/x86

2007-07-20 Thread Yinghai Lu
On 7/20/07, Ingo Molnar <[EMAIL PROTECTED]> wrote: * Jeff Garzik <[EMAIL PROTECTED]> wrote: > I agree with Andi... it's quite nice to be able to leave some > arch/i386 stuff, and not carry it over to arch/x86-64. we can leave those few items in arch/x86 just as much. No need to keep around a

Re: PROBLEM: Dell Inspiron 1501 fails to boot in 2.6.21+

2007-07-20 Thread Glauber de Oliveira Costa
On 7/20/07, Mark Tiefenbruck <[EMAIL PROTECTED]> wrote: I'd appreciate any help on getting this report sent to the appropriate list and, of course, getting this fixed. I don't know what's useful, so you're getting everything. This will be a very long e-mail. My new laptop won't boot with kernel

Re: [RFC, Announce] Unified x86 architecture, arch/x86

2007-07-20 Thread Glauber de Oliveira Costa
On 7/20/07, Steven Rostedt <[EMAIL PROTECTED]> wrote: > I really like the idea of a unified source tree for the 2 x86 variants. > The technical differences are really small (of course there are > differences, especially in the boot sequence), and striving to unify as > much as possible while

Re: net/ipv4/inetpeer.c stack warnings

2007-07-20 Thread David Miller
From: Patrick McHardy <[EMAIL PROTECTED]> Date: Thu, 19 Jul 2007 14:48:59 +0200 > Gabriel C wrote: > > Hello , > > > > I noticed on current git this warning in net/ipv4/inetpeer.c > > Yeah, I have no idea why the gcc people thought that this was > something worth warning about. Especially since

Re: film at 11: kernel update breaks udev.

2007-07-20 Thread Kay Sievers
On 7/21/07, Kay Sievers <[EMAIL PROTECTED]> wrote: On 7/21/07, Dave Jones <[EMAIL PROTECTED]> wrote: > On Sat, Jul 21, 2007 at 03:28:12AM +0200, Kay Sievers wrote: > > On 7/21/07, Dave Jones <[EMAIL PROTECTED]> wrote: > > > On Sat, Jul 21, 2007 at 03:09:55AM +0200, Kay Sievers wrote: > > > >

Re: [RFC, Announce] Unified x86 architecture, arch/x86

2007-07-20 Thread Steven Rostedt
On Sat, 21 Jul 2007, Arnd Bergmann wrote: > On Saturday 21 July 2007, Thomas Gleixner wrote: > > In my experience, it's very helpful to have a single set of header > files, and merging the two versions of one header usually exposes > bugs that have been fixed in only one of the two, so you get >

Re: film at 11: kernel update breaks udev.

2007-07-20 Thread Kay Sievers
On 7/21/07, Dave Jones <[EMAIL PROTECTED]> wrote: On Sat, Jul 21, 2007 at 03:28:12AM +0200, Kay Sievers wrote: > On 7/21/07, Dave Jones <[EMAIL PROTECTED]> wrote: > > On Sat, Jul 21, 2007 at 03:09:55AM +0200, Kay Sievers wrote: > > > On 7/21/07, Dave Jones <[EMAIL PROTECTED]> wrote: > > >

Re: [broken-out-2007-07-20-00-22] kernel bug at kernel/params:570

2007-07-20 Thread Greg KH
On Fri, Jul 20, 2007 at 06:37:33PM -0700, Andrew Morton wrote: > On Fri, 20 Jul 2007 18:02:57 -0700 Greg KH <[EMAIL PROTECTED]> wrote: > > > --- a/kernel/params.c > > +++ b/kernel/params.c > > @@ -567,7 +567,11 @@ static void __init kernel_param_sysfs_se > > kobject_set_name(>kobj, name); > >

Re: [PATCH] AFS: Fix file locking

2007-07-20 Thread Linus Torvalds
On Fri, 20 Jul 2007, Nick Piggin wrote: > > So you did. Then to answer that, yes it could be faster because there are > stupid volatiles sprinkled all over the bitops code so you could easily > end up having to do more loads. Does it make a real difference? Unlikely, > but David loves counting

Re: [broken-out-2007-07-20-00-22] kernel bug at kernel/params:570

2007-07-20 Thread Andrew Morton
On Fri, 20 Jul 2007 18:02:57 -0700 Greg KH <[EMAIL PROTECTED]> wrote: > --- a/kernel/params.c > +++ b/kernel/params.c > @@ -567,7 +567,11 @@ static void __init kernel_param_sysfs_se > kobject_set_name(>kobj, name); > kobject_init(>kobj); > ret = kobject_add(>kobj); > -

Re: [PATCH] hugetlbfs read() support

2007-07-20 Thread Nick Piggin
(sorry if this is a resend... something bad seems to have happened to me) Andrew Morton wrote: On Thu, 19 Jul 2007 08:51:49 -0700 Badari Pulavarty <[EMAIL PROTECTED]> wrote: This code doesn't have all the ghastly tricks which we deploy to handle concurrent truncate. Do I need to ? Baaahh!!

Re: film at 11: kernel update breaks udev.

2007-07-20 Thread Dave Jones
On Sat, Jul 21, 2007 at 03:28:12AM +0200, Kay Sievers wrote: > On 7/21/07, Dave Jones <[EMAIL PROTECTED]> wrote: > > On Sat, Jul 21, 2007 at 03:09:55AM +0200, Kay Sievers wrote: > > > On 7/21/07, Dave Jones <[EMAIL PROTECTED]> wrote: > > > > Just one of my machines to 2.6.22.1, and got this

Re: [PATCH 2/3] i386: use x86_64's desc_def.h

2007-07-20 Thread Chris Wright
* Rusty Russell ([EMAIL PROTECTED]) wrote: > On Thu, 2007-07-19 at 09:27 +1000, Rusty Russell wrote: > > On Wed, 2007-07-18 at 09:19 -0700, Zachary Amsden wrote: > > > > +#define GET_CONTENTS(desc) (((desc)->raw32.b >> 10) & 3) > > > > +#define GET_WRITABLE(desc) (((desc)->raw32.b >> 9) &

Re: [PATCH 3/3] i386: Replace struct Xgt_desc_struct with struct desc_ptr

2007-07-20 Thread Chris Wright
* Rusty Russell ([EMAIL PROTECTED]) wrote: > Remove i386's Xgt_desc_struct definition and use desc_def.h's desc_ptr. plus this is needed now Index: linus-2.6/drivers/lguest/lg.h === --- linus-2.6.orig/drivers/lguest/lg.h +++

Re: film at 11: kernel update breaks udev.

2007-07-20 Thread Kay Sievers
On 7/21/07, Dave Jones <[EMAIL PROTECTED]> wrote: On Sat, Jul 21, 2007 at 03:09:55AM +0200, Kay Sievers wrote: > On 7/21/07, Dave Jones <[EMAIL PROTECTED]> wrote: > > Just one of my machines to 2.6.22.1, and got this during boot.. > > > > Starting udev: udevd-event[619]: udev_node_symlink:

Re: [PATCH] hugetlbfs read() support

2007-07-20 Thread Nick Piggin
Andrew Morton wrote: On Thu, 19 Jul 2007 08:51:49 -0700 Badari Pulavarty <[EMAIL PROTECTED]> wrote: This code doesn't have all the ghastly tricks which we deploy to handle concurrent truncate. Do I need to ? Baaahh!! I don't want to deal with them. Nick, can you think of any serious

[PATCH 7/7] lguest: documentation pt VII: FIXMEs

2007-07-20 Thread Rusty Russell
Documentation: The FIXMEs Signed-off-by: Rusty Russell <[EMAIL PROTECTED]> --- Documentation/lguest/lguest.c | 12 drivers/char/hvc_lguest.c |3 +++ drivers/lguest/interrupts_and_traps.c | 14 ++ drivers/lguest/io.c | 10

Re: [PATCH] AFS: Fix file locking

2007-07-20 Thread Nick Piggin
Andrew Morton wrote: On Wed, 18 Jul 2007 15:56:53 +1000 Nick Piggin <[EMAIL PROTECTED]> wrote: Andrew Morton wrote: On Tue, 17 Jul 2007 13:47:32 +0100 David Howells <[EMAIL PROTECTED]> wrote: + if (type == AFS_LOCK_READ && + vnode->flags & (1 << AFS_VNODE_READLOCKED)) {

[PATCH 6/7] lguest: documentation pt VI: Switcher

2007-07-20 Thread Rusty Russell
Documentation: The Switcher Signed-off-by: Rusty Russell <[EMAIL PROTECTED]> --- drivers/lguest/core.c | 51 +++- drivers/lguest/switcher.S | 271 ++--- 2 files changed, 276 insertions(+), 46 deletions(-)

[PATCH 1/7] lguest: documentation pt I: Preparation

2007-07-20 Thread Rusty Russell
The netfilter code had very good documentation: the Netfilter Hacking HOWTO. Noone ever read it. So this time I'm trying something different, using a bit of Knuthiness. Start with drivers/lguest/README. Signed-off-by: Rusty Russell <[EMAIL PROTECTED]> --- Documentation/lguest/extract

[PATCH 2/7] lguest: documentation pt II: Guest

2007-07-20 Thread Rusty Russell
Documentation: The Guest Signed-off-by: Rusty Russell <[EMAIL PROTECTED]> --- drivers/lguest/lguest.c | 458 --- drivers/lguest/lguest_asm.S | 57 +++-- include/linux/lguest.h | 47 +++- 3 files changed, 512 insertions(+), 50 deletions(-)

[PATCH 3/7] lguest: documentation pt III: Drivers

2007-07-20 Thread Rusty Russell
Documentation: The Drivers Signed-off-by: Rusty Russell <[EMAIL PROTECTED]> --- drivers/block/lguest_blk.c | 171 +++--- drivers/char/hvc_lguest.c | 77 + drivers/lguest/lguest_bus.c | 72 drivers/net/lguest_net.c|

Re: film at 11: kernel update breaks udev.

2007-07-20 Thread Dave Jones
On Sat, Jul 21, 2007 at 03:09:55AM +0200, Kay Sievers wrote: > On 7/21/07, Dave Jones <[EMAIL PROTECTED]> wrote: > > Just one of my machines to 2.6.22.1, and got this during boot.. > > > > Starting udev: udevd-event[619]: udev_node_symlink: > >

Re: where is the code for read system call?

2007-07-20 Thread Karsten Wiese
Am Samstag, 21. Juli 2007 schrieb Agarwal, Lomesh: > My application reads from socket. I need to change the behavior of read > system call for an experiment. Can someone point me to code? fs/read_write.c: line 356 asmlinkage ssize_t sys_read(unsigned int fd, char __user * buf, size_t count) - To

Re: film at 11: kernel update breaks udev.

2007-07-20 Thread Kay Sievers
On 7/21/07, Dave Jones <[EMAIL PROTECTED]> wrote: Just one of my machines to 2.6.22.1, and got this during boot.. Starting udev: udevd-event[619]: udev_node_symlink: symlink(../../sdc/dev/disk/by-uuid/2d773baf-8174-10a6-14db-a78e0e676e89) failed: File exists Under 2.6.21, all was fine. sdc

Re: [PATCH] hugetlbfs read() support

2007-07-20 Thread Nick Piggin
Nishanth Aravamudan wrote: On 19.07.2007 [09:58:50 -0700], Andrew Morton wrote: On Thu, 19 Jul 2007 08:51:49 -0700 Badari Pulavarty <[EMAIL PROTECTED]> wrote: + } + + offset += ret; + retval += ret; + len -= ret; + index

film at 11: kernel update breaks udev.

2007-07-20 Thread Dave Jones
Just one of my machines to 2.6.22.1, and got this during boot.. Starting udev: udevd-event[619]: udev_node_symlink: symlink(../../sdc/dev/disk/by-uuid/2d773baf-8174-10a6-14db-a78e0e676e89) failed: File exists Under 2.6.21, all was fine. sdc is one disk of a 3 disk raid5 set. The raidset still

Re: [RFC, Announce] Unified x86 architecture, arch/x86

2007-07-20 Thread Gabriel C
Thomas Gleixner wrote: > [...] > As usual, comments and suggestions are welcome! Compiles and boots fine here ( on my Dell Precision WorkStation 530 MT ). And nothing broke so far. I only got some Kconfig warnings[1] with my config[2] but that is. ( I don't know whatever this matter but it

Re: [broken-out-2007-07-20-00-22] kernel bug at kernel/params:570

2007-07-20 Thread Greg KH
On Sat, Jul 21, 2007 at 02:28:52AM +0200, Michal Piotrowski wrote: > On 21/07/07, Satyam Sharma <[EMAIL PROTECTED]> wrote: > > Oh, which means ... > > > > > > On 7/21/07, Satyam Sharma <[EMAIL PROTECTED]> wrote: > > > On 7/21/07, Greg KH <[EMAIL PROTECTED]> wrote: > > > > On Fri, Jul 20, 2007 at

Re: [PATCH] Use the tsk argument in init_new_context()

2007-07-20 Thread Diego Woitasen
On Thu, Jul 19, 2007 at 05:42:38PM -0700, Andrew Morton wrote: > On Sun, 8 Jul 2007 22:55:08 -0300 > Diego Woitasen <[EMAIL PROTECTED]> wrote: > > > Signed-off-by: Diego Woitasen <[EMAIL PROTECTED]> > > --- > > arch/i386/kernel/ldt.c |2 +- > > arch/x86_64/kernel/ldt.c |2 +- > > 2

Re: Documentation for sysfs, hotplug, and firmware loading.

2007-07-20 Thread Greg KH
On Fri, Jul 20, 2007 at 08:21:39PM -0400, Rob Landley wrote: > > Always look at the parent devices themselves for determining device > > context properties. > > For determining? > > What was the original language of this document? Ok, that's just being mean, cut it out right now if you ever

Re: Documentation for sysfs, hotplug, and firmware loading.

2007-07-20 Thread Greg KH
On Fri, Jul 20, 2007 at 08:21:39PM -0400, Rob Landley wrote: > I'm not trying to document /sys/devices. I'm trying to document hotplug, > populating /dev, and things like firmware loading that fall out of that. > This requires use of sysfs, and I'm only trying to document as much of sysfs >

Re: Documentation for sysfs, hotplug, and firmware loading.

2007-07-20 Thread Greg KH
On Fri, Jul 20, 2007 at 08:21:39PM -0400, Rob Landley wrote: > Ok, back up. /sys/devices does not contain all the information necessary to > populate /dev, because it hasn't got things like > ramdisks, /dev/zero, /dev/console which are THERE in sysfs, which may or may > not be supported by the

Re: Documentation for sysfs, hotplug, and firmware loading.

2007-07-20 Thread Rob Landley
On Wednesday 18 July 2007 7:40:20 pm Greg KH wrote: > On Wed, Jul 18, 2007 at 01:39:53PM -0400, Rob Landley wrote: > > PICK ONE! JUST

[GIT PULL] MMC updates

2007-07-20 Thread Pierre Ossman
Linus, please pull from git://git.kernel.org/pub/scm/linux/kernel/git/drzeus/mmc.git for-linus to receive the following updates: MAINTAINERS |7 ++- drivers/mmc/host/at91_mci.c | 13 - drivers/mmc/host/sdhci.c|2 ++ drivers/mmc/host/sdhci.h

Re: [git patches] two warning fixes

2007-07-20 Thread Benjamin Herrenschmidt
On Fri, 2007-07-20 at 20:34 +0200, Krzysztof Halasa wrote: > Linus Torvalds <[EMAIL PROTECTED]> writes: > > > More people *should* generally ask themselves: "was the warning worth it?" > > and then, if the answer is "no", they shouldn't add code, they should > > remove the thing that causes the

Re: [RFC, Announce] Unified x86 architecture, arch/x86

2007-07-20 Thread Arnd Bergmann
On Saturday 21 July 2007, Thomas Gleixner wrote: > The topic of sharing more x86 code has been discussed on LKML a number > of times. Various approaches were discussed and we decided to advance > the discussion by implementing a full solution that brings the > transition to a shared tree to

Re: [broken-out-2007-07-20-00-22] kernel bug at kernel/params:570

2007-07-20 Thread Michal Piotrowski
On 21/07/07, Satyam Sharma <[EMAIL PROTECTED]> wrote: Oh, which means ... On 7/21/07, Satyam Sharma <[EMAIL PROTECTED]> wrote: > On 7/21/07, Greg KH <[EMAIL PROTECTED]> wrote: > > On Fri, Jul 20, 2007 at 03:59:12PM -0700, Andrew Morton wrote: > > > On Fri, 20 Jul 2007 15:50:47 -0700 > > > Greg

Re: v2.6.22.1-rt3

2007-07-20 Thread Thomas Gleixner
On Thu, 2007-07-19 at 20:37 -0700, Daniel Walker wrote: > The broken out series is here, > ftp://source.mvista.com/pub/dwalker/rt/patch-2.6.22.1-rt4-dw1.tar.gz I'll pick that up soon. Thanks, tglx - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of

Re: Documentation for sysfs, hotplug, and firmware loading.

2007-07-20 Thread Rob Landley
On Thursday 19 July 2007 4:16:17 am Cornelia Huck wrote: > On Wed, 18 Jul 2007 13:39:53 -0400, > > Rob Landley <[EMAIL PROTECTED]> wrote: > > Nope. If you recurse down under /sys/class following symlinks, you go > > into an endless loop bouncing off of /sys/devices and getting pointed > > back.

Re: [RFC, Announce] Unified x86 architecture, arch/x86

2007-07-20 Thread Michal Piotrowski
On 21/07/07, Ingo Molnar <[EMAIL PROTECTED]> wrote: * Michal Piotrowski <[EMAIL PROTECTED]> wrote: > >We are pleased to announce a project we've been working on for some > >time: the unified x86 architecture tree, or "arch/x86" - and we'd > >like to solicit feedback about it. > > > >What is

Re: [RFC, Announce] Unified x86 architecture, arch/x86

2007-07-20 Thread H. Peter Anvin
Alan Cox wrote: > On Fri, 20 Jul 2007 18:38:39 -0400 > Jeff Garzik <[EMAIL PROTECTED]> wrote: > >> I agree with Andi... it's quite nice to be able to leave some arch/i386 >> stuff, and not carry it over to arch/x86-64. > > Its easy enough to push that stuff into arch/x86/legacy and have one >

Re: joydev.c and saitek cyborg evo force

2007-07-20 Thread Renato Golin
On 20/06/07, Jiri Kosina <[EMAIL PROTECTED]> wrote: Could you please send me the report descriptor of the device, so that I could debug it locally here? Hi Jiri, sorry for the delay, below the report descriptor and attached is the full report when I've connected the joystick. report

Re: [broken-out-2007-07-20-00-22] kernel bug at kernel/params:570

2007-07-20 Thread Satyam Sharma
Oh, which means ... On 7/21/07, Satyam Sharma <[EMAIL PROTECTED]> wrote: On 7/21/07, Greg KH <[EMAIL PROTECTED]> wrote: > On Fri, Jul 20, 2007 at 03:59:12PM -0700, Andrew Morton wrote: > > On Fri, 20 Jul 2007 15:50:47 -0700 > > Greg KH <[EMAIL PROTECTED]> wrote: > > > > > On Fri, Jul 20, 2007

Re: [RFC, Announce] Unified x86 architecture, arch/x86

2007-07-20 Thread Ingo Molnar
* Michal Piotrowski <[EMAIL PROTECTED]> wrote: > >We are pleased to announce a project we've been working on for some > >time: the unified x86 architecture tree, or "arch/x86" - and we'd > >like to solicit feedback about it. > > > >What is this about? > [..] > >As usual, comments and

Re: [RFC, Announce] Unified x86 architecture, arch/x86

2007-07-20 Thread Michal Piotrowski
Hi, On 21/07/07, Thomas Gleixner <[EMAIL PROTECTED]> wrote: We are pleased to announce a project we've been working on for some time: the unified x86 architecture tree, or "arch/x86" - and we'd like to solicit feedback about it. What is this about? [..] As usual, comments and suggestions are

Re: [RFC, Announce] Unified x86 architecture, arch/x86

2007-07-20 Thread Alan Cox
On Fri, 20 Jul 2007 18:38:39 -0400 Jeff Garzik <[EMAIL PROTECTED]> wrote: > I agree with Andi... it's quite nice to be able to leave some arch/i386 > stuff, and not carry it over to arch/x86-64. Its easy enough to push that stuff into arch/x86/legacy and have one subdirectory of stuff to pull

Re: [PATCH v3] pcmcia: CompactFlash driver for PA Semi Electra boards

2007-07-20 Thread Andrew Morton
On Thu, 5 Jul 2007 09:49:14 -0500 [EMAIL PROTECTED] (Olof Johansson) wrote: > Driver for the CompactFlash slot on the PA Semi Electra eval board. It's > a simple device sitting on localbus, with interrupts and detect/voltage > control over GPIO. > > The driver is implemented as an of_platform

Re: [PATCH] x86: Create clflush() inline, remove hardcoded wbinvd

2007-07-20 Thread H. Peter Anvin
Glauber de Oliveira Costa wrote: > On Fri, 2007-07-20 at 14:19 -0700, H. Peter Anvin wrote: >> Create an inline function for clflush(), with the proper arguments, >> and use it instead of hard-coding the instruction. >> >> This also removes one instance of hard-coded wbinvd, based on a patch >> by

Re: [PATCH] compat_ioctl requires CONFIG_BLOCK

2007-07-20 Thread Arnd Bergmann
On Saturday 21 July 2007, Sebastian Siewior wrote: > > Got with randconfig > include/linux/loop.h:66: error: expected specifier-qualifier-list before > 'request_queue_t' > make[1]: *** [fs/compat_ioctl.o] Error 1 > > parts of compat ioctl require CONFIG_BLOCK to be set. > > Signed-off-by:

Re: [broken-out-2007-07-20-00-22] kernel bug at kernel/params:570

2007-07-20 Thread Satyam Sharma
On 7/21/07, Greg KH <[EMAIL PROTECTED]> wrote: On Fri, Jul 20, 2007 at 03:59:12PM -0700, Andrew Morton wrote: > On Fri, 20 Jul 2007 15:50:47 -0700 > Greg KH <[EMAIL PROTECTED]> wrote: > > > On Fri, Jul 20, 2007 at 06:32:21PM +0200, Michal Piotrowski wrote: > > > Hi Greg, > > > > > > This looks

where is the code for read system call?

2007-07-20 Thread Agarwal, Lomesh
My application reads from socket. I need to change the behavior of read system call for an experiment. Can someone point me to code? thanks - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at

Re: [PATCH][SELinux] Let us not leak memory in SELinux : security_netlbl_cache_add()

2007-07-20 Thread James Morris
On Sat, 21 Jul 2007, Jesper Juhl wrote: > Hi, > > Leaking memory is a bad idea, so let's not do it, in > security/selinux/ss/services.c::security_netlbl_cache_add(). > > Note: The Coverity checker gets credit for spotting this one. > Note: Patch has only been compile tested. Thanks! Verified

Re: [PATCH 2/7] console: fix section mismatch warning in vgacon.c

2007-07-20 Thread Antonino A. Daplas
On Fri, 2007-07-20 at 23:27 +0200, Sam Ravnborg wrote: > Fix following section mismatch warning: > WARNING: vmlinux.o(.text+0x121e62): Section mismatch: reference to > .init.text:__alloc_bootmem (between 'vgacon_startup' and 'vgacon_scrolldelta') > > Browsing the code it seems that

Re: [kvm-devel] [GIT PULL][RESEND] Late KVM Updates for the 2.6.23 merge window

2007-07-20 Thread Linus Torvalds
On Sat, 21 Jul 2007, S.Çağlar Onur wrote: > > With Linus's latest git, shutting down a guest (fired with -smp 2 -m 512) > sometimes > ends up like [1], this occured as soon as qemu window closed. > > [1] http://cekirdek.pardus.org.tr/~caglar/kvm/dmesg.latest [ 737.460654] Bad page state in

Re: [PATCH] x86: Create clflush() inline, remove hardcoded wbinvd

2007-07-20 Thread Glauber de Oliveira Costa
On Fri, 2007-07-20 at 14:19 -0700, H. Peter Anvin wrote: > Create an inline function for clflush(), with the proper arguments, > and use it instead of hard-coding the instruction. > > This also removes one instance of hard-coded wbinvd, based on a patch > by Bauder de Oliveira Costa. Hey, Who's

[PATCH] i2o: defined but not used.

2007-07-20 Thread Sebastian Siewior
Got with randconfig drivers/message/i2o/exec-osm.c:539: warning: 'i2o_exec_lct_notify' defined but not used Signed-off-by: Sebastian Siewior <[EMAIL PROTECTED]> Index: b/drivers/message/i2o/exec-osm.c === ---

Re: [broken-out-2007-07-20-00-22] kernel bug at kernel/params:570

2007-07-20 Thread Randy Dunlap
On Fri, 20 Jul 2007 16:10:52 -0700 Greg KH wrote: > On Fri, Jul 20, 2007 at 03:59:12PM -0700, Andrew Morton wrote: > > On Fri, 20 Jul 2007 15:50:47 -0700 > > Greg KH <[EMAIL PROTECTED]> wrote: > > > > > On Fri, Jul 20, 2007 at 06:32:21PM +0200, Michal Piotrowski wrote: > > > > Hi Greg, > > > >

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