Re: max sizes for files and file systems

2001-07-05 Thread Albert D. Cahalan
Derek Vadala writes: > It's clear that under 2.4, the kernel imposes a limit of 2TB as the > maximum file size and that some portion of the kernels before 2.4 had a > limit of 2GB. > > However, it's not clear to me when the file size limit was increased, or > what the maximum file system sizes un

Re: [PATCH] more SAK stuff

2001-07-05 Thread Albert D. Cahalan
Rob Landley writes: > Off the top of my head, fun things you can't do suid root: ... > ps (What the...? Worked in Red Hat 7, but not in suse 7.1. > Huh? "suid-to apache ps ax" works fine, though...) The ps command used to require setuid root. People would set the bit by habit. > I keep bump

Re: [OT] Re: LILO calling modprobe?

2001-07-05 Thread Albert D. Cahalan
Wakko Warner writes: > I believe there is. It wants to find what drive is bios drive 80h. Really > annoying since there's no way (correct me if I'm wrong) to read bios from > linux. If there is, lilo should do that. But since it's an old copy, this > probably was fixed. > > I had a machine at

Re: [Re: gcc: internal compiler error: program cc1 got fatal signal 11]

2001-06-29 Thread Albert D. Cahalan
> Almost always ? > It seems like gcc is THE ONLY program which gets > signal 11 > Why the X server doesn't get signal 11 ? > Why others programs don't get signal 11 ? ... > Some time ago I installed Linux (Redhat 6.0) on my > pc (Cx486 8M RAM) and gcc had a lot of signal 11 (a > couple every hou

Re: [PATCH] User chroot

2001-06-28 Thread Albert D. Cahalan
Sean Hunter writes: > On Wed, Jun 27, 2001 at 04:55:56PM -0400, Albert D. Cahalan wrote: >> ln /dev/zero /tmp/zero >> ln /dev/hda ~/hda >> ln /dev/mem /var/tmp/README > > None of these (of course) work if you use mount options to > restrict device nodes on those fi

Re: [PATCH] User chroot

2001-06-27 Thread Albert D. Cahalan
H. Peter Anvin writes: > "Albert D. Cahalan" wrote: >> BTW, it is way wrong that /dev/zero should be needed at all. >> Such use is undocumented ("man zero", "man mmap") anyway, and >> AFAIK one should use mmap() with MAP_ANON instead. Not that

Re: [PATCH] User chroot

2001-06-27 Thread Albert D. Cahalan
H. Peter Anvin writes: > Albert D. Cahalan wrote: >> Normal users can use an environment provided for them. >> >> While trying to figure out why the "heyu" program would not >> work on a Red Hat box, I did just this. As root I set up all >> the device f

Re: [PATCH] User chroot

2001-06-26 Thread Albert D. Cahalan
H. Peter Anvin writes: > [somebody] >> Have you ever wondered why normal users are not allowed to chroot? >> >> I have. The reasons I can figure out are: >> >> * Changing root makes it trivial to trick suid/sgid binaries to do >> nasty things. >> >> * If root calls chroot and changes uid, he ex

Re: EXT2 Filesystem permissions (bug)?

2001-06-26 Thread Albert D. Cahalan
Kenneth Johansson writes: > Do linux even support the sticky bit (t) I can't see a reason > to use it, why would I want the file to be stored in the swap ?? It is not currently supported. Swapping out executables would be very nice when using an NFS or CD-ROM filesystem, because swap space is m

Re: FAT32 superiority over ext2 :-)

2001-06-24 Thread Albert D. Cahalan
Daniel Phillips writes: > On Monday 25 June 2001 00:54, Albert D. Cahalan wrote: >> By dumb luck (?), FAT32 is compatible with the phase-tree algorithm >> as seen in Tux2. This means it offers full data integrity. >> Yep, it whips your typical journalling filesystem. Look

FAT32 superiority over ext2 :-)

2001-06-24 Thread Albert D. Cahalan
By dumb luck (?), FAT32 is compatible with the phase-tree algorithm as seen in Tux2. This means it offers full data integrity. Yep, it whips your typical journalling filesystem. Look at what we have in the superblock (boot sector): __u32 fat32_length; /* sectors/FAT */ __u16 flags;

Re: Shared memory quantity not being reflected by /proc/meminfo

2001-06-23 Thread Albert D. Cahalan
Allan Duncan writes: > Since the 2.4.x advent of shm as tmpfs or thereabouts, > /proc/meminfo shows shared memory as 0. It is in > reality not zero, and is being allocated, and shows > up in /proc/sysvipc/shm and /proc/sys/kernel/shmall > etc.. > Neither 2.4.6-pre5 nor 2.4.5-ac17 have the correc

Re: For comment: draft BIOS use document for the kernel

2001-06-22 Thread Albert D. Cahalan
Alan Cox writes: > [somebody] >> I could not find any reference to BIOS int 0x15, function 0x87, >> block-move, used to copy the kernel to above the 1 megabyte >> real-mode boundary. I think this is still used. > > I dont think the kernel has ever used it. The path has always been to > enter 32bi

Re: [RFC][PATCH] cutting up struct kernel_stat into cpu_stat

2001-06-21 Thread Albert D. Cahalan
Zach Brown writes: > The attached patch-in-progress removes the per-cpu statistics from > struct kernel_stat and puts them in a cpu_stat structure, one per cpu, > cacheline padded. The data is still coolated and presented through > /proc/stat, but another file /proc/cpustat is also added. The l

Re: [OT] Threads, inelegance, and Java

2001-06-21 Thread Albert D. Cahalan
Rob Landley writes: > On Wednesday 20 June 2001 15:53, Martin Dalecki wrote: >> Mike Harrold wrote: >> super computing, hmm what about some PowerPC CPU variant - they very >> compettetiv in terms of cost and FPU performance! Transmeta isn't the >> adequate choice here. > > You honestly think you

Re: Alan Cox quote? (was: Re: accounting for threads)

2001-06-20 Thread Albert D. Cahalan
Rob Landley writes: > My only real gripe with Linux's threads right now [...] is > that ps and top and such aren't thread aware and don't group them > right. > > I'm told they added some kind of "threadgroup" field to processes > that allows top and ps and such to get the display right. I haven'

Re: very strange (semi-)lockups in 2.4.5

2001-06-18 Thread Albert D. Cahalan
Pozsar Balazs writes: > I'm having ~2 lockups a day. The following happens: > If I was under X, i only can use the magic-key, but no other keyboard (eg > numlock) or mouse response, the screen freezes, processes stop. > If i was using textmode: > numlock still works > cursor blinks > proc

Re: [patch] nonblinking VGA block cursor

2001-06-15 Thread Albert D. Cahalan
Daniel Phillips writes: > On Friday 15 June 2001 21:21, Albert D. Cahalan wrote: >> Non-blinking cursors are just wrong. You need to patch your brain. >> You really fucked up, because now apps can't restore your cursor >> to proper behavior as defined by IBM. > &g

Re: [patch] nonblinking VGA block cursor

2001-06-15 Thread Albert D. Cahalan
Leon Breedt writes: > Attached is a patch to enforce a non-blinking, FreeBSD-syscons like > block cursor in console mode. > > This is useful for laptop types, or people like me who really really > detest a blinking cursor. > > NOTE: It disables the softcursor escape codes > (/usr/src/lin

Re: Client receives TCP packets but does not ACK

2001-06-15 Thread Albert D. Cahalan
Mike Black writes: > I'm concerned that you're probably just overruning your IP stack: ... > TCP is NOT a guaranteed protocol -- you can't just blast data from one port > to another and expect it to work. Yes you can. This is why we have TCP in fact. > a tcp-write is NOT guaranteed -- and as yo

Re: Going beyond 256 PCI buses

2001-06-14 Thread Albert D. Cahalan
David S. Miller writes: > Jeff Garzik writes: >> According to the PCI spec it is -impossible- to have more than 256 >> buses on a single "hose", so you simply have to implement multiple >> hoses, just like Alpha (and Sparc64?) already do. That's how the >> hardware is forced to implement it... >

Re: Going beyond 256 PCI buses

2001-06-13 Thread Albert D. Cahalan
Tom Gall writes: > I was wondering if there are any other folks out there like me who > have the 256 PCI bus limit looking at them straight in the face? I might. The need to reserve bus numbers for hot-plug looks like a quick way to waste all 256 bus numbers. > each PHB has an > additional id

Re: IBM PPC 405 series little endian?

2001-06-11 Thread Albert D. Cahalan
Zehetbauer Thomas writes: > Has someone experimented with running linux in little-endian mode on IBM > PowerPC 405 (Walnut) yet? I doubt it. You are at least the 3rd person to want little-endian. Somebody at Matrox posted a patch for little-endian on the 74xx. You need a bit more than that thoug

Re: temperature standard - global config option?

2001-06-09 Thread Albert D. Cahalan
Michael H. Warfiel writes: > On Fri, Jun 08, 2001 at 05:16:39PM -0400, Albert D. Cahalan wrote: >> The bits are free; the API is hard to change. >> Sensors might get better, at least on high-end systems. >> Rounding gives a constant 0.15 degree error. >> Only th

checker suggestion

2001-06-09 Thread Albert D. Cahalan
Struct padding is a problem. Really, there shouldn't be any implicit padding. This causes: 1. security leaks when such structs are copied to userspace (the implicit padding is uninitialized, and so may contain a chunk of somebody's private key or password) 2. bloat, when struct members cou

Re: temperature standard - global config option?

2001-06-08 Thread Albert D. Cahalan
Michael H. Warfiel writes: > On Fri, Jun 08, 2001 at 05:16:39PM -0400, Albert D. Cahalan wrote: >> The bits are free; the API is hard to change. >> Sensors might get better, at least on high-end systems. >> Rounding gives a constant 0.15 degree error. >> Only th

Re: temperature standard - global config option?

2001-06-08 Thread Albert D. Cahalan
John Chris Wren writes: > coupling to the CPU that is about as bad as it can get. You've got an epoxy > housing of an inconsistent shape in contact with ceramic. The actual > contact point is miniscule. There's no thermal paste, and often, I've seen > the sensors not quite raised high enough t

Re: [PATCH] sockreg2.4.5-05 inet[6]_create() register/unregister table

2001-06-08 Thread Albert D. Cahalan
Henning P. Schmied writes: > Alan Cox <[EMAIL PROTECTED]> writes: >> So it comes down to the question of whether the module is linking >> (which is about dependancies and requirements) and what the legal >> scope is. Which is a matter for lawyers. > > And this would void DaveMs' argument, that on

Re: temperature standard - global config option?

2001-06-08 Thread Albert D. Cahalan
L. K. writes: > On Fri, 8 Jun 2001, Albert D. Cahalan wrote: >> The bits are free; the API is hard to change. >> Sensors might get better, at least on high-end systems. >> Rounding gives a constant 0.15 degree error. >> Only the truly stupid would assume accuracy fr

Re: temperature standard - global config option?

2001-06-08 Thread Albert D. Cahalan
Michael H. Warfiel writes: > We don't have sensors that are accurate to 1/10 of a K and certainly not > to 1/100 of a K. Knowing the CPU temperature "precise" to .01 K when > the accuracy of the best sensor we are likely to see is no better than > +- 1 K is just about as relevant as negative abs

Re: temperature standard - global config option?

2001-06-07 Thread Albert D. Cahalan
Chris Boot writes: Kelvins good idea in general - it is always positive ;-) 0.01*K fits in 16 bits and gives reasonable range. ... > OK, I think by now we've all agreed the following: > - The issue is NOT displaying temperatures to the user, but a userspace >program reading th

Re: CacheFS

2001-06-07 Thread Albert D. Cahalan
Jan Kasprzak writes: > Another goal is to use the Linux filesystem > as a backing store (as opposed to the block device or single large file > used by CODA). ... > - kernel module, implementing the filesystem of the type "cachefs" > and a character device /dev/ca

Re: temperature standard - global config option?

2001-06-07 Thread Albert D. Cahalan
L. K. writes: > Why not make it in Celsius ? Is more easy to read it this way. No, because then the software must handle negative numbers for cooled computers. CentiKelvin is fine. Do C=cK/100-273.15 if you really must... but you still have a number that is useless to a human. Humans need a seco

Re: Missing cache flush.

2001-06-06 Thread Albert D. Cahalan
David S. Miller writes: > David Woodhouse writes: >>> Call it flush_ecache_full() or something. >> >> Strange name. Why? How about __flush_cache_range()? > > How about flush_cache_range_force() instead? > > I want something in the name that tells the reader "this flushes > the caches, even though

Re: Inconsistent "#ifdef __KERNEL__" on different architectures

2001-06-05 Thread Albert D. Cahalan
Paul Mackerras writes: > The only valid reason for userspace programs to be including kernel > headers is to get definitions that are part of the kernel API. (And > in fact others here will go further and assert that there are *no* > valid reasons for userspace programs to include kernel headers

Re: symlink_prefix

2001-06-04 Thread Albert D. Cahalan
Alexander Viro writes: > leaves ncp with its ioctls ugliness. Authentication will be ugly. Joe mounts a filesystem, and does not bother to authenticate. He gets world-accessible files. Then Kevin authenticates as himself, and later as db_adm too. Along comes Sue, who can authenticate the whole b

Re: Highmem Bigmem question

2001-06-01 Thread Albert D. Cahalan
[EMAIL PROTECTED] writes: > This is probably an FAQ, but I read the FAQ and its not in there. Odd. > I have a machine with 2G of memory. I compiled the kernel with the > 4G memory option. How much address space should each process be > able to address? 3 GB for user stuff, or 3.5 GB with a p

Re: How to know HZ from userspace?

2001-05-30 Thread Albert D. Cahalan
Harald Welte writes: > Is there any way to read out the compile-time HZ value of the kernel? > > I had a brief look at /proc/* and didn't find anything. Look again, this time with a sick mind. Got your barf bag? Kubys made me do it. /

Re: How to know HZ from userspace?

2001-05-30 Thread Albert D. Cahalan
Jonathan Lundell writes: > At 5:07 PM -0700 2001-05-30, H. Peter Anvin wrote: >>> If you now want to set those values from a userspace program / script in >>> a portable manner, you need to be able to find out of HZ of the currently >>> running kernel. >> >> Yes, but that's because the interfac

Re: [patch] severe softirq handling performance bug, fix, 2.4.5

2001-05-26 Thread Albert D. Cahalan
David S. Miller > Ingo Molnar writes: >> (unlike bottom halves, soft-IRQs do not preempt kernel code.) > ... > > Since when do we have this rule? :-) ... > You should check Softirqs on return from every single IRQ. > In do_softirq() it will make sure that we won't run softirqs > while already doi

Re: 2.4 freezes on VIA KT133

2001-05-24 Thread Albert D. Cahalan
Mark Hahn writes: > contrary to the implication here, I don't believe there is any *general* > problem with Linux/VIA/AMD stability. there are well-known issues > with specific items (VIA 686b, for instance), but VIA/AMD hardware > is quite suitable for servers. VIA hardware is not suitable for

Re: Why side-effects on open(2) are evil. (was Re: [RFD w/info-PATCH]device

2001-05-24 Thread Albert D. Cahalan
Oliver Xymoron writes: > The /dev dir should not be special. At least not to the kernel. I have > device files in places other than /dev, and you probably do too (hint: > anonymous FTP). This is a horribly broken FTP server. - To unsubscribe from this list: send the line "unsubscribe linux-kerne

Re: alpha iommu fixes

2001-05-22 Thread Albert D. Cahalan
David S. Miller writes: > What are these "devices", and what drivers "just program the cards to > start the dma on those hundred mbyte of ram"? Hmmm, I have a few cards that are used that way. They are used for communication between nodes of a cluster. One might put 16 cards in a system. The ca

Re: LANANA: To Pending Device Number Registrants

2001-05-20 Thread Albert D. Cahalan
Guest section DW writes: > On Thu, May 17, 2001 at 02:35:55AM -0400, Albert D. Cahalan wrote: >> The PC partition table has such an ID. The LILO change log >> mentions it. I think it's 6 random bytes, with some restriction >> about being non-zero. > > You a

Re: [PATCH] 2.4.5pre3 warning fixes

2001-05-17 Thread Albert D. Cahalan
Bingner Sam J. Con writes: > Looks to me like it's adding { and } on each side of the > "c->devices->prev=d;" statement... so changing from: > > if (c->devices != NULL) > c->devices->prev=d; > > to > > if (c->devices != NULL){ > c->devices->prev=d; > } > > I assume the new compil

Re: LANANA: To Pending Device Number Registrants

2001-05-16 Thread Albert D. Cahalan
Heinz J. Mauelshag writes: > LVM does a similar thing storing UUIDs in its private metadata > area on every device used by it. > > Problem is: neither MD nor LVM define a standard in Linux > which *needs* to be used on every device! > > It is just up to the user to configure devices with them or

Re: ((struct pci_dev*)dev)->resource[...].start

2001-05-16 Thread Albert D. Cahalan
Jeff Garzik writes: > "Khachaturov, Vassilii" wrote: >> Can someone please confirm if my assumptions below are correct: >> 1) Unless someone specifically tampered with my driver's device >> since the OS bootup, the mapping of the PCI base address registers >> to virtual memory will remain the sam

Re: Getting FS access events

2001-05-15 Thread Albert D. Cahalan
H. Peter Anvin writes: > This would leave no way (without introducing new interfaces) to write, > for example, the boot block on an ext2 filesystem. Note that the > bootblock (defined as the first 1024 bytes) is not actually used by > the filesystem, although depending on the block size it may s

Re: How VFS interacts with a file driver

2001-05-14 Thread Albert D. Cahalan
Daniel Phillips writes: > On Monday 14 May 2001 07:29, Blesson Paul wrote: >>I am trying to implement a distributed file system. Me too! :-) >> For that I write a file driver. I want to know the following things >> >> 1 . If I am writing a new file system, is it necessary to mo

Re: Inodes

2001-05-14 Thread Albert D. Cahalan
Blesson Paul writes: > This is an another doubt related to VFS. I want to know > wheather all files are assigned their inode number at the > mounting time itself or inodes are assigned to files upon > accessing only That would depend on what type of filesystem you use. For ext2, inode numbers ar

Re: [reiserfs-dev] Re: reiserfs, xfs, ext2, ext3

2001-05-11 Thread Albert D. Cahalan
Hans Reiser writes: > Tell us what to code for, and so long as it doesn't involve looking > up files by their 32 bit inode numbers we'll probably be happy to > code to it. The Neil Brown stuff is already coded for though. Next time around, when you update the on-disk format, how about allowing

Re: Patch to make ymfpci legacy address 16 bits

2001-05-09 Thread Albert D. Cahalan
Jeff Garzik writes: > Pavel Roskin wrote: >> You may need to save some data in memory when the system goes >> to suspend and restore them afterwards. I believe that the PCI >> config space should be saved by BIOS. Everything else is the >> responsibility of the driver. > > In ACPI land the kernel

Re: pci_pool_free from IRQ

2001-05-08 Thread Albert D. Cahalan
Pete Zaitcev writes: > Russel King complained that you might be calling pci_consistent_free > from an interrupt, which is unsafe on ARM. This sure makes life difficult. Device removal events can be called from interrupt context according to Documentation/pci.txt. This is certainly a place where

Re: OT: ps source?

2001-05-08 Thread Albert D. Cahalan
Pierre Rousselet writes: > James Bourne wrote: >> From the procps man page: >>Albert Cahalan <[EMAIL PROTECTED]> rewrote ps for full >>Unix98 and BSD support, along with some ugly hacks for >>obsolete and foreign syntax. >> >>Michael K. Johnson <[EMAIL PROTE

Re: curedump configuration additions

2001-05-05 Thread Albert D. Cahalan
=?iso-8859-1?Q?Jak writes: > Hi, just wanted to recommend that this goes in, in one form or > another - it would help a lot around here. Yes, it looks very nice. The codes match those used by ps even. > Today we have to manually "fix" the kernel > source to get proper core.[executable] naming

Re: [PATCH] SMP race in ext2 - metadata corruption.

2001-05-05 Thread Albert D. Cahalan
Alexander Viro writes: >> On Fri, 4 May 2001, Alexander Viro wrote: >>> Ehh... There _is_ a way to deal with that, but it's deeply Albertesque: > ^^^ Ah, you learn from the master. > ObProcfs: I don't think that walking the pa

Re: Possible README patch

2001-05-05 Thread Albert D. Cahalan
Duncan Gauld writes: > Information in the README file says that when patching, the -p0 option is > used with patch (eg tar xvzf .tar.gz | patch -p0). However I have > never got this to work as I always get something like "can't find file to > patch at line 5". However, replacing -p0 with -p1 s

Re: iso9660 endianness cleanup patch

2001-05-03 Thread Albert D. Cahalan
Pavel Machek writes: > It should ot break anything. gcc decides its bad to inline it, so it > does not inline it. Small code growth at worst. Compiler has right to > make your code bigger or slower, if it decides to do so. Oh come on. The logical way: inline Compiler must inline (only

Re: Unknown HZ value! (2000) Assume 1024.

2001-05-03 Thread Albert D. Cahalan
Tom Holroyd writes: > On Wed, 2 May 2001, Albert D. Cahalan wrote: >> For 32-bit systems, we use 32-bit values to reduce overhead. >> This causes problems at 495/smp_num_cpus days of uptime. > > You mean for HZ == 100. Well, OK. No unmodified 32-bit system runs HZ == 102

Re: Unknown HZ value! (2000) Assume 1024.

2001-05-01 Thread Albert D. Cahalan
> /proc/uptime: > 4400586.27 150439.36 > > /proc/stat: > cpu 371049158 3972370867 8752820 4448994822 > (user,nice, system, idle) > > In .../fs/proc/proc_misc.c:kstat_read_proc(), the cpu line is being > computed by: > > len = sprintf(page, "cpu %u %u %u %lu\n", user, nic

Re: iso9660 endianness cleanup patch

2001-04-30 Thread Albert D. Cahalan
Linus Torvalds writes: > Btw, please use "static inline" instead of "extern inline", as gcc may > decide not to inline the latter at all, leading to confusing link-time > errors. (Gcc may also decide not to inline "static inline", but then gcc > will output the actual body of the function out-of-

best zero-copy example?

2001-04-29 Thread Albert D. Cahalan
What would be the cleanest driver that does everything right? - 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: 2.4 and 2GB swap partition limit

2001-04-28 Thread Albert D. Cahalan
Rogier Wolff writes: > Wakko Warner wrote: >>> So you've spent almost $200 for RAM, and refuse to spend >>> $4 for 1Gb of swap space. Fine with me. So that is a factor of 50 in price. It's what, a factor of 100 in access time? > That disk space is just sitting there. Never to be used. I sp

Re: [PATCH] SMP race in ext2 - metadata corruption.

2001-04-27 Thread Albert D. Cahalan
Linus Torvalds writes: > The buffer cache is "virtual" in the sense that /dev/hda is a > completely separate name-space from /dev/hda1, even if there > is some physical overlap. So the aliasing problems and elevator algorithm confusion remain? Is this ever likely to change, and what is with the

Re: [PATCH] Single user linux

2001-04-26 Thread Albert D. Cahalan
[EMAIL PROTECTED] writes: > i wrote somewhere that it was my mistake to call it single-user when i > mean all user has the same root cap, and reduce "user" (account) to > "profile". Seen this way it makes a tad more sense: 1. you and your spouse share the computer 2. you have different shells,

Re: [PATCH] Single user linux

2001-04-25 Thread Albert D. Cahalan
[EMAIL PROTECTED] writes: > i didn't change all uid/gid to 0! > > why? so with that radical patch, users will still have > uid/gid so programs know the user's profile. So you: 1. broke security (OK, fine...) 2. didn't remove all the support for security It would be far more interesting to rip

Re: hundreds of mount --bind mountpoints?

2001-04-23 Thread Albert D. Cahalan
Richard Gooch writes: > We want to take out that union because it sucks for virtual > filesystems. Besides, it's ugly. I hope you won't mind if people trash this with benchmarks. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECT

Re: Problem with "su -" and kernels 2.4.3-ac11 and higher

2001-04-22 Thread Albert D. Cahalan
Wayne writes: > In mailing-lists.linux-kernel, Manuel A. McLure wrote: >> Did you try nesting more than one "su -"? The first one after a boot >> works for me - every other one fails. > > Same here: the first "su -" works OK, but a second nested one hangs: > > 8825 pts/2S 0:00 /bin/su -

Re: Request for comment -- a better attribution system

2001-04-21 Thread Albert D. Cahalan
Eric S. Raymond writes: > This is a proposal for an attribution metadata system in the Linux > kernel sources. The goal of the system is to make it easy for > people reading any given piece of code to identify the responsible > maintainer. The motivation for this proposal is that the present >

Re: OK, let's try cleaning up another nit. Is anyone paying attention?

2001-04-19 Thread Albert D. Cahalan
Matthew Wilcox writes: > On Thu, Apr 19, 2001 at 10:07:22PM -0600, james rich wrote: >> Doesn't this seem a little like the problems occurring with lvm right now? >> A separate tree maintained with the maintainers not wanting others >> submitting patches that conflict with their particular tree?

Re: Kernel 2.5 Workshop RealVideo streams -- next time, please get better audio.

2001-04-17 Thread Albert D. Cahalan
Theodore Tso writes: > On Mon, Apr 16, 2001 at 05:53:19PM -0700, David S. Miller wrote: >> It does not work in a relaxed "people sit at tables and comment >> at arbitrary points in time during a talk" setting such as the >> kernel summit. Besides putting a microphone at every table (which >> isn

Re: [PATCH] Process pinning

2001-04-17 Thread Albert D. Cahalan
Nick Pollitt writes: > Changes to array.c expose cpus_allowed in proc/pid/stat. ... > -%lu %lu %lu %lu %lu %lu %lu %lu %d %d\n", > +%lu %lu %lu %lu %lu %lu %lu %lu %d %d %lu\n", ... > - task->processor); > + task->processor, > + task->cpus_allowed); This isn

Re: RFC: pageable kernel-segments

2001-04-17 Thread Albert D. Cahalan
H. Peter Anvin writes: > By author:"Heusden, Folkert van" <[EMAIL PROTECTED]> >> Would anyone be intrested (besides me) in a kernel which can page ... >> Certain parts of drivers could get the __pageable prefix or so > VMS does this. It at least used to have a great tendency to crash > itse

Re: Kernel 2.5 Workshop RealVideo streams -- next time, please get

2001-04-16 Thread Albert D. Cahalan
Miles Lane writes: >> Randolph Bentson wrote: >>> I've heard of conferences where a wireless audience >>> microphone was put inside a Nerf ball. It could >>> then be tossed to the audience member who wished >>> to speak. > > Seriously though, this would probably still be an > impediment to the s

Re: No 100 HZ timer!

2001-04-16 Thread Albert D. Cahalan
> CLOCK_10MS a wall clock supporting timers with 10 ms resolution (same as > linux today). Except on the Alpha, and on some ARM systems, etc. The HZ constant varies from 10 to 1200. > At the same time we will NOT support the following clocks: > > CLOCK_VIRTUAL a clock measuring the elapsed exe

Re: [PATCH] Unisys pc keyboard new keys patch, kernel 2.4.3

2001-04-16 Thread Albert D. Cahalan
Guest section DW writes: > On Mon, Apr 16, 2001 at 12:29:11AM -0600, Eric W. Biederman wrote: >> If we can try to keycodes in 8-bits it would be nice. The difficulty >> is that X cannot handle more than 8-bits without telling it you have >> multiple keyboards. The keycode (at least in X) is exp

Re: Bug in EZ-Drive remapping code (ide.c)

2001-04-16 Thread Albert D. Cahalan
Andries.Brouwer writes: >From [EMAIL PROTECTED] Mon Apr 16 08:35:09 2001 >>Andries.Brouwer writes: >>> What one wants is to remap access to sector 0 to sector 1, >>> and leave all other sectors alone. Thus, if someone asks >>> for sectors 0 1 2 3 4, she should get sectors 1 1 2 3 4. >> >> No, bec

Re: [PATCH] Unisys pc keyboard new keys patch, kernel 2.4.3

2001-04-15 Thread Albert D. Cahalan
H. Peter Anvin writes: > This means you don't have to configure two levels (scancodes -> > keycodes and keycodes -> keymap); since currently the keycodes are > keyboard-specific anyway there is no benefit to the two levels. The medium-raw level ought to be what the X11R6 protocol uses. Then the

Re: Bug in EZ-Drive remapping code (ide.c)

2001-04-15 Thread Albert D. Cahalan
Andries.Brouwer writes: > What one wants is to remap access to sector 0 to sector 1, > and leave all other sectors alone. Thus, if someone asks > for sectors 0 1 2 3 4, she should get sectors 1 1 2 3 4. No, because then you can't write to the real first sector. Assuming translation is good, 1 0

Re: CML2 1.1.1, wiuth experimental fast mode

2001-04-15 Thread Albert D. Cahalan
> * Added fast-mode command to suppress side-effect computation > on slow machines. You could put the computation in a low-priority thread, so that it still gets done but doesn't mess up responsiveness. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in th

Re: CML2 1.0.0 release announcement

2001-04-11 Thread Albert D. Cahalan
> * All three interfaces do progressive disclosure -- the user only sees > questions he/she needs to answer (no more hundreds of greyed-out menu > entries for irrelevant drivers!). Well, that sucks. The greyed-out menu entries were the only good thing about xconfig. Such entries provide a clu

Re: No 100 HZ timer !

2001-04-10 Thread Albert D. Cahalan
Martin Mares writes: > [lost] >> Just how would you do kernel/user CPU time accounting then ? >> It's currently done on every timer tick, and doing it less >> often would make it useless. > > Except for machines with very slow timers we really should account time > to processes during context swi

Re: [RFC] Ext2 Directory Index - File Structure

2001-04-10 Thread Albert D. Cahalan
Daniel Phillips writes: > The zeroth block of an indexed directory is the index root. Initially > the index has only one block. The following blocks are normal ext2 > directory entry blocks. When the directory grows large enough to fill > all the available entries in the root index block (arou

Re: [PATCH] Re: softirq buggy

2001-04-09 Thread Albert D. Cahalan
> I'd prefer to inline cpu_is_idle(), but optimizing the idle > code path is probably not that important ;-) Sure it is, in one way: how fast can you get back to work? (not OK to take a millisecond getting out of the idle loop) - To unsubscribe from this list: send the line "unsubscribe linux-ker

Re: bug database braindump from the kernel summit

2001-04-01 Thread Albert D. Cahalan
Gregory Maxwell writes: > On Sun, Apr 01, 2001 at 03:43:52PM -0400, Albert D. Cahalan wrote: >> I'm really sick of being buried in useless information. The signal >> gets lost in the noise. It is easy to discard automatically generated >> bug reports, and way too an

Re: bug database braindump from the kernel summit

2001-04-01 Thread Albert D. Cahalan
Manfred Spraul writes: > [Larry McVoy] >> There was a lot of discussion about possible tools >> that would dig out the /proc/pci info > > I think the tools should not dig too much information out of the system. > I remember some Microsoft (win98 beta?) bugtracking software that > insisted on send

Re: bug database braindump from the kernel summit

2001-04-01 Thread Albert D. Cahalan
> Problem details > Bug report quality > There was lots of discussion on this. The main agreement was that we > wanted the bug reporting system to dig out as much info as possible > and prefill that. There was a lot of discussion about possible tools > that would dig

Re: [patch] pae-2.4.3-C3

2001-03-28 Thread Albert D. Cahalan
Ingo Molnar writes: > the attached pae-2.4.3-C3 patch fixes the PAE code to work with SLAB > FORCED_DEBUG (which enables redzoning) too. > > the problem is that redzoning is enabled unconditionally, and SLAB has no > information about how crutial alignment is in the case of any particular > SLAB

Re: Larger dev_t

2001-03-27 Thread Albert D. Cahalan
Andrew Pimlott writes: > On Tue, Mar 27, 2001 at 02:13:47PM -0800, H. Peter Anvin wrote: >> The problems with devfs (other than kernel memory bloat, which is pretty >> much guaranteed to be much worse than the bloat a larger dev_t would >> entail) is that it needs complex auxilliary mechanisms to

Re: Larger dev_t

2001-03-27 Thread Albert D. Cahalan
[EMAIL PROTECTED] writes: > [Linus Torvalds] >> You'e now forced every piece of code that needs a dev_t >> to carry along the overhead of having a 64-bit field > > Let me repeat: there is no such code. In user space dev_t already is > 64 bits, whether you like it or not. We cannot go back to libc

Re: [PATCH] Improved version reporting

2001-03-23 Thread Albert D. Cahalan
Riley Williams writes: > Hi Albert. The rule should be like this: List the lowest version number required to get 2.2.xx-level features while running a 2.4.xx kernel. >>> Replace that "a 2.2.xx" with "my current" and remove all >>> restrictions on what the current kernel

Re: [PATCH] Improved version reporting

2001-03-18 Thread Albert D. Cahalan
Riley Williams writes: >> The rule should be like this: >> >> List the lowest version number required to get >> 2.2.xx-level features while running a 2.4.xx kernel. > > That's a meaningless definition, and can only be taken as such. What > use would such a list be to somebody wishing (l

Re: [PATCH] Improved version reporting

2001-03-16 Thread Albert D. Cahalan
Andries.Brouwer writes: >> From: "Albert D. Cahalan" <[EMAIL PROTECTED]> >>> On Wed, 14 Mar 2001 [EMAIL PROTECTED] wrote: >>>>> +o Console Tools # 0.3.3# loadkeys -V >>>>> +o Mount # 2.10e

Re: [PATCH] Improved version reporting

2001-03-14 Thread Albert D. Cahalan
Alexander Viro writes: > On Wed, 14 Mar 2001 [EMAIL PROTECTED] wrote: >>> +o Console Tools # 0.3.3# loadkeys -V >>> +o Mount # 2.10e# mount --version >> >> Concerning mount: (i) the version mentioned is too old, Exactly why? Mere missing features don't mak

Re: system call for process information?

2001-03-13 Thread Albert D. Cahalan
Nathan Paul Simons writes: > On Tue, Mar 13, 2001 at 04:05:13PM -0500, Albert D. Cahalan wrote: >> Bloat removal: being able to run without /proc mounted. >> >> We don't have "kernel speed". We have kernel-mode screwing around >> with text formatting. &

Re: system call for process information?

2001-03-13 Thread Albert D. Cahalan
Nathan Paul Simons writes: > On Mon, Mar 12, 2001 at 09:21:37PM +, Guennadi Liakhovetski wrote: >> CPU utilisation. Each new application has to calculate it (ps, top, qps, >> kps, various sysmons, procmons, etc.). Wouldn't it be worth it having a >> syscall for that? Wouldn't it be more optim

Re: [PATCH] Penguin logos

2001-03-11 Thread Albert D. Cahalan
Geert Uytterhoeven writes: > - The colors for the 16 color logo are wrong. We used a hack to > give the logo its own color palette, but this no longer works > as a side effect of a console color map bug being fixed a while > ago. The solution is to replace the logo with a new one th

Re: Status of posix-ACL's

2001-03-11 Thread Albert D. Cahalan
Jochen Dolze writes: > i found at http://acl.bestbits.at the ACL-linux-project. Now i want to know, > if there is a plan to integrate posix-ACLs into the fs-part of the kernel, > e.g. into the VFS-Layer? Is there a general discussion about this anywhere? > What are the biggest problems? (i know t

Re: Process vs. Threads

2001-03-09 Thread Albert D. Cahalan
Hank Leininger writes: > On 2001-03-07, "Albert D. Cahalan" <[EMAIL PROTECTED]> wrote: >> Then for proper ps and top output, you need a reasonably efficient >> way to grab all threads as a group. This could be as simple as >> ensuring that /proc director

Re: Process vs. Threads

2001-03-07 Thread Albert D. Cahalan
Helge Hafting writes: > Gregory Maxwell wrote: >> There are no threads in Linux. >> All tasks are processes. >> Processes can share any or none of a vast set of resources. > > Is there a way a user program can find out what resources > are shared among which processes? > > That would allow enha

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