Re: bcachefs status update (it's done cooking; let's get this sucker merged)

2019-06-29 Thread Luke Kenneth Casson Leighton
hey linus, you made news again, all blown up and pointless again. you're doing great: you're being honest. remember the offer i made to put you in touch with my friend. anecdotal story: andrew tridgell worked on the fujitsu sparc supercomputer a couple decades ago: it had a really weird DMA ring b

Re: [RFC] spectre hardware-software cooperative mitigation

2019-01-19 Thread Luke Kenneth Casson Leighton
On Friday, January 18, 2019, Alan Cox wrote: > > > This is going to be a mammoth task. The alternatives are to continue > > as things are, which is a mess that cannot be cleaned up by either of > > (mutually exclusive) hardware or software alone. > > > > Thoughts and feedback appreciated. > > You

[RFC] spectre hardware-software cooperative mitigation

2019-01-14 Thread Luke Kenneth Casson Leighton
Hi all, please cc me on replies. Hardware discussion may be found here: https://groups.google.com/forum/?nomobile=true#!topic/comp.arch/mzXXTU2GUSo I am designing a new processor, based on RISCV, that is intended as a hybrid GPU VPU and CPU. For various reasons, it needs to be a multi-issue Out of

Re: Linux 4.19-rc4 released, an apology, and a maintainership note

2018-09-30 Thread Luke Kenneth Casson Leighton
On Sun, Sep 30, 2018 at 3:07 PM, Martin Steigerwald wrote: > l...@lkcl.net - 30.09.18, 14:09: >> the third is how UNICEF trains teachers to treat children as human >> beings. > > During releasing a lot of limiting "stuff" I found that probably nothing > written or said can hurt my feelings unles

Re: Linux 4.19-rc4 released, an apology, and a maintainership note

2018-09-30 Thread Luke Kenneth Casson Leighton
https://linux.slashdot.org/story/18/09/27/1529236/linus-torvalds-on-linuxs-code-of-conduct#comments linus: ah... um... okay so this is beginning to remind me of dr who films, the comedy film "the world's end", and various other b-movie horror shows where people were taken over through mind-control

Re: Linux 4.19-rc4 released, an apology, and a maintainership note

2018-09-22 Thread Luke Kenneth Casson Leighton
linus, hi, i haven't been able to get hold of a copy of "invisible dynamics" yet however my partner did track down a... "translation" of the six systemic laws from family to organisational principles (from where they were originally derived). the book puts the systemic laws in a clearer way and e

Re: Linux 4.19-rc4 released, an apology, and a maintainership note

2018-09-17 Thread Luke Kenneth Casson Leighton
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=8a104f8b5867c682d994ffa7a74093c54469c11f ahh, guys? ah... i'm going to try *really* hard to follow the advice that's listed here ok? http://www.pndc.com/documents/_PDF%20Text-PNDC%20WORKS.pdf it's a little challenging

Re: Linux 4.19-rc4 released, an apology, and a maintainership note

2018-09-16 Thread Luke Kenneth Casson Leighton
hi linus, just saw the note on slashdot. i just wanted to say how amazed, relieved and delighted i was to see what you wrote. that you recognised that you needed to reflect, *sought feedback*, and, most importantly, were willing and able to discuss that and ask publicly. as the longest-serving c

Re: [RFC 09/10] x86/enter: Create macros to restrict/unrestrict Indirect Branch Speculation

2018-01-22 Thread Luke Kenneth Casson Leighton
[apologies for breaking the reply-thread] David wrote: > I think we've covered the technical part of this now, not that you like > it รข not that any of us *like* it. But since the peanut gallery is > paying lots of attention it's probably worth explaining it a little > more for their benefit. i'

Re: linux kernel 4.9.6 startup on skylake "Blocked a compatibility format interrupt request"

2017-02-22 Thread Luke Kenneth Casson Leighton
https://forum.manjaro.org/t/acpi-error-on-boot-after-updating-to-4-9/12894/3 weell, this is the oddest regression "fixed" with a workaround recommended from the archlinux link on ACPI DSDT: https://wiki.archlinux.org/index.php/DSDT by setting acpi_os_name="Windows 2009" which, after disassembling

linux kernel 4.9.6 startup on skylake "Blocked a compatibility format interrupt request"

2017-02-20 Thread Luke Kenneth Casson Leighton
hi just a heads-up on trying out debian's 4.9 kernel on an awesomely powerful recent laptop, it's unable to run /sbin/init. full report is here: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=88 screenshot is here: http://hands.com/~lkcl/IMG_20170220_1127225_rewind.jpg this error appears

Re: devicetree live reconfigureable hardware (eoma68)

2015-11-10 Thread Luke Kenneth Casson Leighton
hi pantelis, don't freak out, but the best introduction i can think of to what occurred to me is, "arg fek that is an ecumenical matter! [1]". *deep breath* - i can forsee a need for parameterisation to be added to the proposed connector objects in some fashion. justification / explanation follow

Re: devicetree live reconfigureable hardware (eoma68)

2015-11-10 Thread Luke Kenneth Casson Leighton
On Tue, Nov 10, 2015 at 8:30 PM, Pantelis Antoniou wrote: > >> On Nov 7, 2015, at 19:36 , Luke Kenneth Casson Leighton >> wrote: >> >> hi folks, >> > > Hi Luke, > > This is a quite lengthy treatise you wrote here. apologies, i've been working

devicetree live reconfigureable hardware (eoma68)

2015-11-07 Thread Luke Kenneth Casson Leighton
hi folks, i raised the issue of dynamic reconfigureable hardware back in 2012, and thank you (once again) to alan for kindly answering: https://lkml.org/lkml/2012/3/10/71 since then, yaay! beaglebone with "capes" has driven some modifications to the linux kernel: http://events.linuxfoundation.or

Re: cgroup: status-quo and userland efforts

2015-03-04 Thread Luke Kenneth Casson Leighton
On Wed, Mar 4, 2015 at 5:08 AM, David Lang wrote: > On Tue, 3 Mar 2015, Luke Leighton wrote: >> whilst the majority of people view management to be "hierarchical" >> (so there is a top dog or God process and everything trickles down >> from that), this is viewed as such an anathema in the securi

Re: [proposal] delegating cgroup manager to non-PID1

2015-03-03 Thread Luke Kenneth Casson Leighton
https://lkml.org/lkml/2013/4/5/535 ok found one: i'll read up and see if there's evidence that the idea mentioned a couple of days ago has occurred to the cgroups devs (tejun) - i think it has, but i'll need to check to be sure. l. -- To unsubscribe from this list: send the line "unsubscribe linu

Re: [proposal] delegating cgroup manager to non-PID1

2015-03-03 Thread Luke Kenneth Casson Leighton
On Tue, Mar 3, 2015 at 1:45 AM, David Lang wrote: > On Tue, 3 Mar 2015, Luke Kenneth Casson Leighton wrote: > >> On Mon, Mar 2, 2015 at 12:13 AM, David Lang wrote: >>> >>> On Sun, 1 Mar 2015, Luke Kenneth Casson Leighton wrote: >>> >>>> in re

Re: [proposal] delegating cgroup manager to non-PID1

2015-03-02 Thread Luke Kenneth Casson Leighton
On Mon, Mar 2, 2015 at 12:13 AM, David Lang wrote: > On Sun, 1 Mar 2015, Luke Kenneth Casson Leighton wrote: > >> in recent discussions about PID-1 alternatives (sysvinit, openrc, >> systemd, depinit) i was alerted to the idea that PID1 is to become the >> sole exlcus

Re: [proposal] delegating cgroup manager to non-PID1

2015-03-01 Thread Luke Kenneth Casson Leighton
On Mon, Mar 2, 2015 at 12:13 AM, David Lang wrote: > On Sun, 1 Mar 2015, Luke Kenneth Casson Leighton wrote: > >> in recent discussions about PID-1 alternatives (sysvinit, openrc, >> systemd, depinit) i was alerted to the idea that PID1 is to become the >> sole exlcus

[proposal] delegating cgroup manager to non-PID1

2015-03-01 Thread Luke Kenneth Casson Leighton
(i am subscribed nomail to lkml, please cc thx) in recent discussions about PID-1 alternatives (sysvinit, openrc, systemd, depinit) i was alerted to the idea that PID1 is to become the sole exlcusive process permitted to manage cgroups. given that, just as one specific example, depinit is only ar

Re: 3.16.0-4-amd64 linux kernel userspace breakage

2015-02-03 Thread Luke Kenneth Casson Leighton
On Mon, Feb 2, 2015 at 1:58 PM, Luke Kenneth Casson Leighton wrote: > second issue: compared to 3.13, detection of microsd cards has > disappeared to the extent that there isn't even an entry in dmesg > indicating that the insertion ever occurred. scratch sd card from the

3.16.0-4-amd64 linux kernel userspace breakage

2015-02-02 Thread Luke Kenneth Casson Leighton
hi folks, i thought with the focus on "not breaking userspace" a general report of two occurrences of exactly that occurring may be appreciated. firstly: as a long-standing linux user (and minor contributor) i fully appreciate that this is not the "latest version" however this is a live-running st

Re: On EOMA-68 patent licensing...

2013-11-24 Thread Luke Kenneth Casson Leighton
On Sun, Nov 24, 2013 at 3:35 AM, Yuhong Bao wrote: > I read this: http://hardware.slashdot.org/comments.pl?sid=3102545&cid=41270883 > Makes me wonder what would happen if something similar was tried with EFI or > ACPI? the EOMA68 project is unique in that it is a mass-volume *modular* architect

Re: [Arm-netbook] getting allwinner SoC support upstream (was Re: Uploading linux (3.9.4-1))

2013-06-07 Thread Luke Kenneth Casson Leighton
On Fri, Jun 7, 2013 at 8:35 PM, Russell King - ARM Linux wrote: > On Fri, Jun 07, 2013 at 08:18:14PM +0100, Luke Kenneth Casson Leighton wrote: >> On Fri, Jun 7, 2013 at 7:26 PM, Russell King - ARM Linux >> wrote: >> > Luke Leighton on the other hand is demanding that w

Re: [Arm-netbook] getting allwinner SoC support upstream (was Re: Uploading linux (3.9.4-1))

2013-06-07 Thread Luke Kenneth Casson Leighton
On Fri, Jun 7, 2013 at 7:26 PM, Russell King - ARM Linux wrote: > Luke Leighton on the other hand is demanding that we no demands have been made, russell: i've informed you of an immovable deadline which will pass beyond which the opportunity being presented is lost. > (Linux kernel > developer

Re: getting allwinner SoC support upstream (was Re: Uploading linux (3.9.4-1))

2013-06-05 Thread Luke Kenneth Casson Leighton
On Thu, Jun 6, 2013 at 12:27 AM, Tomasz Figa wrote: >> their sheer overwhelming success provides us with mass-volume >> ultra-low cost hardware. to not make an effort to accommodate them >> would in this specific instance be a huge missed opportunity, > OK, this is a large volume of hardware t

Re: getting allwinner SoC support upstream (was Re: Uploading linux (3.9.4-1))

2013-06-05 Thread Luke Kenneth Casson Leighton
[removing debian-release again - at their request] On Wed, Jun 5, 2013 at 11:11 PM, Tomasz Figa wrote: > Allwinner has just reinvented a wheel, without even considering the fact > that it has been already invented. apologies, tomasz, but i believe i covered this issue in, again, my reply to rus

Re: getting allwinner SoC support upstream (was Re: Uploading linux (3.9.4-1))

2013-06-05 Thread Luke Kenneth Casson Leighton
On Wed, Jun 5, 2013 at 10:52 PM, Tomasz Figa wrote: > Hi Luke, allo tomasz :) ok - much of what you say is duplicated by what russell said, so in effect the same reply is relevant, but there's been some cross-over. i'll summarise below and cut all but the key question below: > I tend to disag

Re: getting allwinner SoC support upstream (was Re: Uploading linux (3.9.4-1))

2013-06-05 Thread Luke Kenneth Casson Leighton
[ please do try to remove debian-release from replies - my mistake please try not to propagage it, even though it may be too late!] On Wed, Jun 5, 2013 at 10:16 PM, Russell King - ARM Linux wrote: eyy, allo russell, long time since we last spoke, which was eek around 2004 for that cirrus logic 9

Re: getting allwinner SoC support upstream (was Re: Uploading linux (3.9.4-1))

2013-06-05 Thread Luke Kenneth Casson Leighton
[ please remove debian-release from future replies! my mistake - please don't propagate it, thanks ] On Wed, Jun 5, 2013 at 10:00 PM, Stephen Warren wrote: > On 06/05/2013 02:46 PM, jonsm...@gmail.com wrote: >> On Wed, Jun 5, 2013 at 3:46 PM, Luke Kenneth Casson Leighton >>

Re: getting allwinner SoC support upstream (was Re: Uploading linux (3.9.4-1))

2013-06-05 Thread Luke Kenneth Casson Leighton
[i've just received word, please remove debian-release from discussions!] On Wed, Jun 5, 2013 at 9:46 PM, jonsm...@gmail.com wrote: > Why don't you try converting the sunxi code over to device tree? ok. perhaps i wasn't clear. whatever is proposed has to be be acceptable to allwinner, and i'm

getting allwinner SoC support upstream (was Re: Uploading linux (3.9.4-1))

2013-06-05 Thread Luke Kenneth Casson Leighton
On Fri, May 31, 2013 at 3:52 AM, Ben Hutchings wrote: > The 3.8.y branch is over, so I think we have to move to 3.9, ready or > not. I merged the work in progress from trunk to sid and am going > through the config changes at the moment. > > I'm rather disappointed that nothing at all has been c

Re: device tree not the answer in the ARM world [was: Re: running Debian on a Cubieboard]

2013-05-08 Thread Luke Kenneth Casson Leighton
On Wed, May 8, 2013 at 4:44 AM, Rob Landley wrote: >> whereas the EOMA initiative is at the complete opposite end of the >> spectrum. and products based around the EOMA standards, although >> there is a cost overhead of e.g. around $6 in parts for EOMA-68, there >> is a whopping great saving of

Re: device tree not the answer in the ARM world [was: Re: running Debian on a Cubieboard]

2013-05-06 Thread Luke Kenneth Casson Leighton
On Mon, May 6, 2013 at 9:31 PM, Lennart Sorensen wrote: >> And neither is the same as the quality or sustainability of the >> resulting software. But if the product line will be be discontinued >> three months after its introduction, who cares about being able to >> maintain anything? > > Sounds

Re: device tree not the answer in the ARM world [was: Re: running Debian on a Cubieboard]

2013-05-06 Thread Luke Kenneth Casson Leighton
On Mon, May 6, 2013 at 9:01 PM, Rob Landley wrote: > On 05/06/2013 07:08:44 AM, Luke Kenneth Casson Leighton wrote: >> >> > I suppose that ARM multi-platform will never cover all ARM CPUs, but >> > the more it covers, the easier and cheaper it will be to work wit

Re: device tree not the answer in the ARM world

2013-05-06 Thread Luke Kenneth Casson Leighton
mark, thank for this. i'm bringing lkml back in [my decision] but just this once as i believe the point's now been made. i'm also leaving it below [top-post style] as it's background, as well as standing on its own merit. i was under the impression that device tree had been declared successful o

Re: device tree not the answer in the ARM world [was: Re: running Debian on a Cubieboard]

2013-05-06 Thread Luke Kenneth Casson Leighton
james, hi - top-posting or not you make some valid points, and i don't believe you're subscribed to arm-netbooks so i'm going to take a liberty and reply briefly inline but keep most of what you've written intact, apologies to debian-arm and lkml. On Mon, May 6, 2013 at 10:04 AM, James Courtier-Du

Re: device tree not the answer in the ARM world [was: Re: running Debian on a Cubieboard]

2013-05-05 Thread Luke Kenneth Casson Leighton
On Mon, May 6, 2013 at 5:09 AM, Robert Hancock wrote: >> and that's just within *one* of the fabless semiconductor companies, >> and you have to bear in mind that there are *several hundred* ARM >> licensees. when this topic was last raised, someone mentioned that >> ARM attempted to standardise

device tree not the answer in the ARM world [was: Re: running Debian on a Cubieboard]

2013-05-05 Thread Luke Kenneth Casson Leighton
11:14 AM, David Goodenough wrote: > On Sunday 05 May 2013, Luke Kenneth Casson Leighton wrote: >> > And I have a question: as the Debian installer takes the arch armhf in >> > charge, do you think a standard install' from a netboot image will work >> > ? >

Re: parallel boot device initialisation (kernel-space not userspace)

2006-12-08 Thread Luke Kenneth Casson Leighton
On Fri, Dec 08, 2006 at 05:38:47PM +0100, Jiri Kosina wrote: > On Fri, 8 Dec 2006, Luke Kenneth Casson Leighton wrote: > > > I Have A Great Idea(tm) and would like to describe it concisely to see > > if anyone likes it and hopefully hasn't thought of it before so i'm

parallel boot device initialisation (kernel-space not userspace)

2006-12-08 Thread Luke Kenneth Casson Leighton
hello darlings, well i actually followed the FAQ http://www.tux.org/lkml/#s3-17 on this one, and got to try 'do a search' bit, and when searches for 'parallel boot initialisation' came up with discussions about parallel ports, and articles on ibm developerworks about sysvinit, i made the decision

Re: tty line discipline driver advice sought, to do a 1-byte header and 2-byte CRC checksum on GSM data

2006-11-25 Thread Luke Kenneth Casson Leighton
On Sat, Nov 25, 2006 at 11:08:26PM +, Alan wrote: > > userspace, which would be a hell of a lot easier, but would make > > applications a pain, because they would need to use a library instead of > > just opening /dev/ttySN just like any other phone app, to transfer AT > > commands. > > Like g

Re: [2.6.11.7 / CLPS711x/SkyMinder] module integration issue: keyboard driver _still_ not working after port from 2.4.27

2005-04-21 Thread Luke Kenneth Casson Leighton
happening??? i know - HACK TIME!!! muhahahahah. l. On Thu, Apr 21, 2005 at 07:28:45PM +0100, Luke Kenneth Casson Leighton wrote: > in order to be able to debug what is going on, i have enabled > a dummy/virtual serial console, all is well so far. > > in order to test the screen,

[2.6.11.7 / CLPS711x/SkyMinder] module integration issue: keyboard driver _still_ not working after port from 2.4.27

2005-04-21 Thread Luke Kenneth Casson Leighton
same time? should it be expected to work? any assistance / guidance greatly appreciated. l. - Forwarded message from Luke Kenneth Casson Leighton <[EMAIL PROTECTED]> ----- From: Luke Kenneth Casson Leighton <[EMAIL PROTECTED]> To: linux-kernel@vger.kernel.org Subject: [2.4

noddy question involving /dev/vc/0 and /dev/fb/0 on 2.6.7.11

2005-04-21 Thread Luke Kenneth Casson Leighton
hi, please reply cc to me as well because i am not on these lists (well i am but the receive post options are switched off), thank you. i have a "noddy" question where what used to work under 2.4.27 (echo 'hello world' > /dev/vc/0) now doesn't work on 2.6.7.11, even though echo 'garbage' > /dev/fb

Re: SkyMinder (CLPS711x derivative) - decided to try 2.6.11.7

2005-04-18 Thread Luke Kenneth Casson Leighton
On Mon, Apr 18, 2005 at 01:35:15PM +0200, Erik Mouw wrote: > On Mon, Apr 18, 2005 at 12:30:52AM +0100, Luke Kenneth Casson Leighton wrote: > > ... aaand it flopped. i'm not even getting data out of the > > serial console - not a squeak. HELP! > > [...] > > >

SkyMinder (CLPS711x derivative) - decided to try 2.6.11.7

2005-04-17 Thread Luke Kenneth Casson Leighton
... aaand it flopped. i'm not even getting data out of the serial console - not a squeak. HELP! the patch is quite large - and contains [working in 2.4.27] a lot of untested stuff - naturally, if i don't get a squeak out of the serial console. features include support for CPU_FREQ which is a bi

[2.4.27 arm skyminder] writing new keyboard handler - help!

2005-04-07 Thread Luke Kenneth Casson Leighton
hi, please respond cc to me because i am not on the lkml. for a new arm linux embedded device called a skyminder, i'm responsible for getting all the drivers working. ha ha. the success of this device presents the linux community with an opportunity to own a linux-based mobile phone (even if it'

Re: Using fuse for AFS/DFS (was Re: [OpenAFS-devel] openafs / opendfs collaboration)

2005-01-30 Thread Luke Kenneth Casson Leighton
On Sun, Jan 30, 2005 at 01:40:35PM +0100, Miklos Szeredi wrote: > > the kernel-part of fuse tells any kernel-level callers to > > "go away, come back later". > > > > obviously this gives time for the kernel-part to "wake up" the > > userspace daemon, obtain an answer, such that when the kerne

Re: Using fuse for AFS/DFS (was Re: [OpenAFS-devel] openafs / opendfs collaboration)

2005-01-30 Thread Luke Kenneth Casson Leighton
On Sun, Jan 30, 2005 at 12:13:04PM +0100, Miklos Szeredi wrote: > > > *) Last time I looked at FUSE the security model was: If the current uid > > > equals the owner of the mountpoint then forward the request to the > > > userland daemon, without any authentication information like for example > >

Using fuse for AFS/DFS (was Re: [OpenAFS-devel] openafs / opendfs collaboration)

2005-01-29 Thread Luke Kenneth Casson Leighton
On Fri, Jan 28, 2005 at 03:45:08PM +0100, Alexander Bostr?m wrote: > fre 2005-01-21 klockan 12:22 -0500 skrev Derrick J Brashear: > > On Fri, 21 Jan 2005, Matthew Miller wrote: > > > > > On Fri, Jan 21, 2005 at 09:00:59AM -0500, Derrick J Brashear wrote: > > > >> It seems like Arla would probabl