On Tue, May 22, 2001 at 04:31:37PM +0100, Alan Cox wrote:
`the class of devices in question' was cryptographic devices, and possibly
other transactional DSPs. I don't consider audio to be transactional.
in any case, you can do transactional things with two threads, as long
as they each
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 cards
Matti Aarnio writes:
I am contemplating to periodically turn off the ECN bit to
let email out, but DaveM has veto there.
I veto, the whole point of moving to ECN was to make a statement and
get people to fix their kit.
We will remove these people, that's all.
Since HTML email also
Not to mention, not everyone on the list runs their own mailservers.
-Original Message-
From: Steve Modica [mailto:[EMAIL PROTECTED]]
Sent: Tuesday, May 22, 2001 12:28
To: Rogier Wolff
Cc: Richard Gooch; Brent D. Norris; David S. Miller;
[EMAIL PROTECTED]; [EMAIL PROTECTED];
[EMAIL
`the class of devices in question' was cryptographic devices, and possibly
other transactional DSPs. I don't consider audio to be transactional.
in any case, you can do transactional things with two threads, as long
as they each have their own fd on the device. Think of the fd as your
I have an analog joystick plugged into the gameport of a Soundblaster
AWE64. In 2.4.4-ac12 this was recognized and worked just fine. Under
ac13 the recognition is incomplete - it seems to identify that there
is a NS558 gameport device present, but not that there is a joystick
plugged into
FOLKS, I HAVE ALL THE TIME USED 'Reply-To:' HEADER POINTING
TO linux-kernel -- INSTEAD OF ALL THE LISTS...
If you want to continue this, do it there.
(Before I decide to taboo Re: ECN is on! subject line..)
On Tue, May 22, 2001 at 12:23:29PM -0400, Richard Gooch wrote:
...
Well,
On Tue, May 22, 2001 at 09:40:19AM -0700, Ryan Cumming wrote:
On Tue, 22 May 2001, Alan Cox wrote:
If __linux__ is not defined by the cross compiler, then the cross compiler
is broken. A cross compiler has the same environment as the native compiler
for the target. The only stuff that
Hi,
On Tue, May 22, 2001 at 11:54:55AM -0500, Oliver Xymoron wrote:
That's probably the right thing to add.
I'd vote for an async flag instead.
Why??? Why change the default behaviour to be something much slower?
I was suggesting an async flag _in addition_ to the sync flag,
On Mon, 21 May 2001, Paul Mackerras wrote:
As for the `to' argument, yes it is redundant since it is just kmap(page).
And why not let clear_page() just do that itself?
The only place that doesn't already do kmap(page) is basically
get_zeroed_page(), and the only reason it doesn't do that is
On Tuesday 22 May 2001 17:24, Oliver Xymoron wrote:
On Mon, 21 May 2001, Daniel Phillips wrote:
On Monday 21 May 2001 19:16, Oliver Xymoron wrote:
What I'd like to see:
- An interface for registering an array of related devices
(almost always two: raw and ctl) and their legacy
In KDE and sometimes also seen in netscape, I get displays in italics
which I don't in any non-ac kernels. All KDE menus now show up in
discontinuous italics that are not really readable. I'm using
XFree86-4.0.3, KDE-2.1.1 and an NVidia 32Meg TNT2 M64 card, but I've had
the same with much
Looks ok. General comment: the code to search through the list of PCI
devices and drivers to find the one associated with our minor should be
in a separate function, if that code appears more than once.
esssolo_find_minor or somesuch...
--
Jeff Garzik | Are you the police?
Building 1024
On Mon, May 21, 2001 at 03:10:32PM -0700, Linus Torvalds wrote:
That, in turn, might be as simple as changing the ioctl incoming arguments
of cmd,arg into a structure like type,cmd,inbuf,inlen,outbuf,outlen.
At least make sure that the 'kioctl' returns the number of bytes placed
into the
On Tue, 22 May 2001, Daniel Phillips wrote:
I don't think it's likely to be even workable. Just consider the
directory entry for a moment - is it going to be marked d or [cb]?
It's going to be marked 'd', it's a directory, not a file.
Are we talking about the same proposal? The one where
What is the communication between user space and kernel
that transports device identities?
It doesn't change, the same symbolic names still work.
But today, unless you think of devfs or so, device identities
are not transported by symbolic names. They are given by
device numbers.
[Yes,
On Wed, 23 May 2001, Edgar Toernig wrote:
And with special ctrl devices (ie /dev/ttyS0 and /dev/ttyS0ctrl):
This _may_ work for some kind of devices. But serial ports are one
example where it simply will _not_. It requires that you know the
That's quite funny, you know...
Daniel Phillips wrote:
On Tuesday 22 May 2001 17:24, Oliver Xymoron wrote:
On Mon, 21 May 2001, Daniel Phillips wrote:
On Monday 21 May 2001 19:16, Oliver Xymoron wrote:
What I'd like to see:
- An interface for registering an array of related devices
(almost always two:
Hi,
On Tue, May 22, 2001 at 10:50:51AM -0500, Oliver Xymoron wrote:
On Mon, 21 May 2001, Theodore Tso wrote:
On Mon, May 21, 2001 at 06:47:58PM +0100, Stephen C. Tweedie wrote:
Just set chattr +S on the spool dir. That's what the flag is for.
The biggest problem with that is that
On Tue, 22 May 2001, Andreas Dilger wrote:
Actually, the LVM snapshot interface has (optional) hooks into the filesystem
to ensure that it is consistent at the time the snapshot is created.
Note that this is still fundamentally a broken interface: the filesystem
may not _have_ a block
On Tue, 22 May 2001, Linus Torvalds wrote:
On Tue, 22 May 2001, Andreas Dilger wrote: Actually, the LVM snapshot
interface has (optional) hooks into the filesystem to ensure that it
is consistent at the time the snapshot is created.
But I think that LVM is implemented the wrong way
I've already run this by Trond so I'm sending this patch without
further ado. It adds a lock_kernel around a call into NLM code,
and removes an extraneous (really) lock_kernel in sys_fcntl64.
[EMAIL PROTECTED] is the locking code maintainer if he's not already seen this
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At 11:12 PM +1200 2001-05-22, Chris Wedgwood wrote:
On Mon, May 21, 2001 at 03:19:54AM -0700, David S. Miller wrote:
Electrically (someone correct me, I'm probably wrong) PCI is
limited to 6 physical plug-in slots I believe, let's say it's 8
to choose an arbitrary larger number to
Not just crap hardware, but also vendors who refuse to release proper material
required for writing drivers. NVidia springs to my mind.
Not that the kernel list is the best place to bring this up, but NVIDIA
would NOT be on that list. They are by far one of the best companies out
there
ISA cards can do sg?
AHA1542 scsi for one. It wasnt that uncommon.
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Please read the FAQ at
Sorry, I should've been more specific. I'm trying to compile the Linux kernel
(2.4.5pre3) on a FreeBSD machine, which actually works quite well with this
patch applied. This is the only place in the core that FreeBSD gets hung up
Why is your cross compiler outputting different symbols to a
I2C Printer port detects , then
0x378 detects too
but both are parport0 ?
SMSC Super-IO detection, now testing Ports 2F0, 370 ...
parport0: PC-style at 0x378 [PCSPP,TRISTATE,EPP]
Thata your parallel port
i2c-philips-par.o: i2c Philips parallel port adapter module
i2c-philips-par.o:
I currently have three Xircom RealPort Carbus modem/fast ethernet cards.
The current driver blows major chunks (it has very poor performance, and
stops working under load). I'm told the driver issues are because of
hardware issues. The really nice feature of this card is the form factor
Andreas,
I think that the issue is something different. Suppose the snapshot has
been created. I know that this can be done safely with the API's you
allude to. Life goes on and the journal FS keeps changing the file system
and if the system doesn't crash, everything is fine: blocks get
On Tuesday 22 May 2001 19:49, Oliver Xymoron wrote:
On Tue, 22 May 2001, Daniel Phillips wrote:
I don't think it's likely to be even workable. Just consider the
directory entry for a moment - is it going to be marked d or
[cb]?
It's going to be marked 'd', it's a directory, not a
On Tue, May 22, 2001 at 05:00:16PM +0200, Andrea Arcangeli wrote:
I'm also wondering if ISA needs the sg to start on a 64k boundary,
Traditionally, ISA could not do DMA across a 64k boundary.
The only ISA card I have (a soundblaster compatible) appears
to work without caring for this, but I
On Tue, May 22, 2001 at 07:55:18PM +0400, Ivan Kokshaysky wrote:
Yes. Though those races more likely would cause silent data
corruption, but not immediate crash.
Ok. I wasn't sure if it was crashing or not for you.
Andrea
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Thats a bit pathetic. So I have to fill my app with expensive pthread locks
or hack all the drivers and totally change the multi-open sematics in the ABI
huh?
For the sound. And remember each open of /dev/audio is a different channel
potentially (ie its a factory)
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On Tue, May 22, 2001 at 04:57:24PM +0100, David Woodhouse wrote:
The kernel compiles quite happily with compilers which aren't targetted
specifically at Linux -- the CODA compatibility cruft being the one
exception. I often just comment out the CODA includes from linux/fs.h to
get round
Greetings,
I wanted to repost this zr36120 patch, both because so far it has gone
unnoticed, and because there was a problem with the text formatting which
is now fixed.
There is a bug in zr36120.c of not freeing memory on error paths. This one
is particularly dangerous, because kmalloc
... and immediately I have been able to verify a bunch of
domains/servers which won't get thru when incoming connection
has ECN.I tested all of these with Linux running ECN, and
Solaris 2.6 without ECN. When Solaris got connection, and
ECN-Linux didn't, domain and its server got listed.
At 10:24 PM +0100 2001-05-22, Alan Cox wrote:
On the main board, and not just the old ones. These days it's
typically in the chipset's south bridge. Third-party DMA is
sometimes called fly-by DMA. The ISA card is a slave, as is memory,
and the DMA chip reads from one ands writes to the
On Tue, May 22, 2001 at 04:40:17PM -0400, Jeff Garzik wrote:
ISA cards can do sg?
No, but the host iommu can. The isa card sees whatever
view of memory presented to it by the iommu.
r~
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On Tue, 22 May 2001 20:10:41 +0100 (BST), Alan Cox [EMAIL PROTECTED] wrote:
Before you give up on the xircom thing, try the -ac kernel and set the box
up to use xircom_cb not xircom_tulip_cb
That might help a lot
It doesn't, it still performs poorly with any of the three available
drivers
Is there a method to schedule user mode code from kernel agent?
You can wake user processes,send them signals etc but ingeneral its not
a good idea
registers with the kernel mode agent with a function/parm to run, then when
the callback is appropriate the kerenl agent triggers this callback
[trimmed cc list down a bit - my MUA does not allow for so long CC:]
On 22 May 01 at 9:33, Jan Harkes wrote:
something like,
ssize_t kioctl(int fd, int type, int cmd, void *inbuf, size_t inlen,
void *outbuf, size_t outlen);
If we are inventing new API, then if we could
Richard Gooch wrote:
In fact, hopefully he's still in a dark mood, and he may take up the
suggestion to bounce mails of the following type:
- MIME encoded
- HTML encoded
- quoted printables (those stupid =20 things are particuarly hard to
read).
Surely it'd be better to get the list to
Brent D. Norris writes:
I veto, the whole point of moving to ECN was to make a statement and
get people to fix their kit.
We will remove these people, that's all.
Isn't this a problem though because the messge saying that ECN was
enabled was set after ECN was enabled? Thus these
Richard Gooch [EMAIL PROTECTED] writes:
Sure, Dave is being bloody-minded, but that's the only way we'll see
people get off their fat, lazy asses and fix their broken systems.
In fact, hopefully he's still in a dark mood, and he may take up the
suggestion to bounce mails of the following
Alan Cox writes:
Matti Aarnio writes:
I am contemplating to periodically turn off the ECN bit to
let email out, but DaveM has veto there.
I veto, the whole point of moving to ECN was to make a statement and
get people to fix their kit.
We will remove these people, that's
David S. Miller wrote:
Matti Aarnio writes:
I am contemplating to periodically turn off the ECN bit to
let email out, but DaveM has veto there.
I veto, the whole point of moving to ECN was to make a statement and
get people to fix their kit.
We will remove these people, that's
On Tue, 22 May 2001, Alan Cox wrote:
Are there specific reasons you cannot just use the existing ioctls to load
fonts ? The console driver already supports Klingon for example.
What are the issues - writing right - left ?
No, but in some scripts [devanagari anyway] you only ever write a
On Tue, May 22, 2001 at 05:00:16PM +0200, Andrea Arcangeli wrote:
I'm also wondering if ISA needs the sg to start on a 64k boundary,
Traditionally, ISA could not do DMA across a 64k boundary.
The ISA dmac on the x86 needs a 64K boundary (128K for 16bit) because it
did not carry the 16 bit
On Tue, May 22, 2001 at 04:29:16PM +0200, Andrea Arcangeli wrote:
Ivan could you test the above fix on the platforms that needs the
align_entry hack?
That was one of the first things I noticed, and I've tried exactly
that (2 instead of ~1UL).
No, it wasn't the cause of the crashes on pyxis, so
When compiling the kernel under FreeBSD, __KERNEL__ is defined, but
__linux__ is not. I think this is an error on the part of the header file,
because on non-Linux build environments, which would otherwise compile the
Linux kernel correctly, do not have __linux__ defined.
Thats a problem
verification tests. So unless you can cite page and paragraph from SuS and
the LFS spec I think the 0 might in fact be correct..
I don't know the standards Alan, but returning zero
from write() when f_pos is at s_maxbytes will make
a lot of apps hang up. dd, bash and zsh certainly do.
We are interested in making some changes to the linux kernel so that it
supports some indian type fonts on the console... so what are the special
things that we sould take care of so that our work would be included in
the kernel-distribution, and how do we proceed about getting it included
In the linux kernel there is a limitation on the
amount of contiguous DMAable memory that can be allocated
(I guess about 128K). Does anobody know what is the reason
128K or so , if you are lucky.
for such a restriction ? Is there any plan to remove
Because the pages are contiguous so you
On Monday 21 May 2001 14:43, [EMAIL PROTECTED] wrote:
How about:
# mkpart /dev/sda /dev/mypartition -o size=1024k,type=swap
# ls /dev/mypartition
basesizedevicetype
Generally, we shouldn't care which order the kernel enumerates
devices in or which
For _devices_, though? I don't expect my mouse to work if gpm and xfree
both try to consume device events from the same filp. Heck, it doesn't
even work when they try to consume events from the same inode :-) I think
this is a reasonable restriction for the class of devices in question.
Hi All,
I am working with Dawson Engler's meta-compillation group @ Stanford.
In net/wanrouter/wanproc.c the authors check for a bad copy_to_user and
immediately return -EFAULT. However, it is necessary to rollback some
allocated memory. This can leak memory over time, thus leading to
system
On Monday 21 May 2001 10:14, Lars Marowsky-Bree wrote:
On 2001-05-19T16:25:47,
Daniel Phillips [EMAIL PROTECTED] said:
How about:
# mkpart /dev/sda /dev/mypartition -o size=1024k,type=swap
# ls /dev/mypartition
base sizedevice type
# cat /dev/mypartition/size
CONFIG_BAGETBSM (Baget Backplane Shared Memory support)
Set in arch/mips64/config.in, not used anywhere.
Not all mips stuff is merged
CONFIG_ACPI_INTERPRETER (ACPI interpreter)
Set in arch/ia64/config.in, not used anywhere.
Not all IA64 stuff is merged - although this might
While merging all the recent fixes in my tree and while reserving the
pci32 space above -1M to have a dynamic window of almost 1G without
dropping down the direct window, I noticed and fixed a severe bug, and
so now I started to wonder if the real reason of the crash when an
invalid entry is
On Tue, 22 May 2001, Alan Cox wrote:
I currently have three Xircom RealPort Carbus modem/fast ethernet cards.
The current driver blows major chunks (it has very poor performance, and
stops working under load). I'm told the driver issues are because of
hardware issues. The really nice
At 2:02 PM -0700 2001-05-22, Richard Henderson wrote:
On Tue, May 22, 2001 at 01:48:23PM -0700, Jonathan Lundell wrote:
64KB for 8-bit DMA; 128KB for 16-bit DMA. [...] This doesn't
apply to bus-master DMA, just the legacy (8237) stuff.
Would this 8237 be something on the ISA card, or
[EMAIL PROTECTED] said:
Why is your cross compiler outputting different symbols to a linux
native compiler ?
If __linux__ is not defined by the cross compiler, then the cross
compiler is broken. A cross compiler has the same environment as the
native compiler for the target. The only
At 1:28 PM -0700 2001-05-22, Richard Henderson wrote:
On Tue, May 22, 2001 at 05:00:16PM +0200, Andrea Arcangeli wrote:
I'm also wondering if ISA needs the sg to start on a 64k boundary,
Traditionally, ISA could not do DMA across a 64k boundary.
The only ISA card I have (a soundblaster
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