Re: [RFC PATCH v2 00/13] nommu UML

2024-11-23 Thread Hajime Tazaki
Hello David, On Sat, 23 Nov 2024 16:27:27 +0900, David Gow wrote: > I had a chance to give this a proper try with KUnit, and think it'd be > a great options to have available: it's certainly nice to have a fast, > easy nommu architecture for testing. thanks for the test. > I'd echo the commen

Re: [RFC PATCH v2 00/13] nommu UML

2024-11-22 Thread David Gow
On Mon, 11 Nov 2024 at 14:27, Hajime Tazaki wrote: > > This is a series of patches of nommu arch addition to UML. It would > be nice to ask comments/opinions on this. > > There are still several limitations/issues which we already found; > here is the list of those issues. > > - prompt configured

Re: [RFC PATCH v2 00/13] nommu UML

2024-11-22 Thread Lorenzo Stoakes
On Fri, Nov 22, 2024 at 12:49:45PM +, Damien Le Moal wrote: > On 11/22/24 21:38, Christoph Hellwig wrote: > > On Fri, Nov 22, 2024 at 12:25:19PM +, Lorenzo Stoakes wrote: > >> It's an ongoing maintenance burden, discussions about seeing whether it's > >> feasible to remove it have been had

Re: [RFC PATCH v2 00/13] nommu UML

2024-11-22 Thread Damien Le Moal
On 11/22/24 21:38, Christoph Hellwig wrote: > On Fri, Nov 22, 2024 at 12:25:19PM +, Lorenzo Stoakes wrote: >> It's an ongoing maintenance burden, discussions about seeing whether it's >> feasible to remove it have been had in multiple places. >> >> I have personally run into issues having to ac

Re: [RFC PATCH v2 00/13] nommu UML

2024-11-22 Thread Christoph Hellwig
On Fri, Nov 22, 2024 at 12:25:19PM +, Lorenzo Stoakes wrote: > It's an ongoing maintenance burden, discussions about seeing whether it's > feasible to remove it have been had in multiple places. > > I have personally run into issues having to accommodate it on numerous > occasions, as have man

Re: [RFC PATCH v2 00/13] nommu UML

2024-11-22 Thread Lorenzo Stoakes
On Fri, Nov 22, 2024 at 01:18:26PM +0100, Christoph Hellwig wrote: > Maybe I'm missing something, but where does this discussion about > killing nommu even come from? Nommu is a long standing and reasonable > well maintained part of the kernel, why would anyone want to kill it > for no good reason

Re: [RFC PATCH v2 00/13] nommu UML

2024-11-22 Thread Christoph Hellwig
Maybe I'm missing something, but where does this discussion about killing nommu even come from? Nommu is a long standing and reasonable well maintained part of the kernel, why would anyone want to kill it for no good reason? I know quite a lot of products shipping it. Btw, nommu UML certainly so

Re: [RFC PATCH v2 00/13] nommu UML

2024-11-22 Thread Lorenzo Stoakes
On Fri, Nov 22, 2024 at 10:53:18AM +0100, Johannes Berg wrote: > On Fri, 2024-11-22 at 09:33 +, Lorenzo Stoakes wrote: > > > > In general, while I appreciate your work and don't mean to be negative, we > > in mm consistently have problems with nommu as it is a rarely-tested > > more-or-less hac

Re: [RFC PATCH v2 00/13] nommu UML

2024-11-22 Thread Johannes Berg
On Fri, 2024-11-22 at 09:33 +, Lorenzo Stoakes wrote: > > In general, while I appreciate your work and don't mean to be negative, we > in mm consistently have problems with nommu as it is a rarely-tested > more-or-less hack used for very few very old architectures and a constant > source of pr

Re: [RFC PATCH v2 00/13] nommu UML

2024-11-22 Thread Lorenzo Stoakes
+ VMA people, mm list On Mon, Nov 11, 2024 at 03:27:00PM +0900, Hajime Tazaki wrote: > This is a series of patches of nommu arch addition to UML. It would > be nice to ask comments/opinions on this. In general, while I appreciate your work and don't mean to be negative, we in mm consistently hav

Re: [RFC PATCH v2 00/13] nommu UML

2024-11-15 Thread Hajime Tazaki
Hello Anton, thanks for the comment. On Fri, 15 Nov 2024 19:26:07 +0900, Anton Ivanov wrote: > > What do others think? Would you use it? What for? > > I always thought of it as "another LKL". In that case, it can be compared > to LKL on merit and if it is equivalent or better - go into kernel

Re: [RFC PATCH v2 00/13] nommu UML

2024-11-15 Thread Hajime Tazaki
Hello Johannes, # added Geert, Greg, Rich to Cc (sorry if you feel noisy) # here is the original email of this thread: just in case. # https://lore.kernel.org/linux-um/cover.1731290567.git.thehaj...@gmail.com/ On Fri, 15 Nov 2024 19:12:39 +0900, Johannes Berg wrote: > > On Mon, 2024-11-11 at 1

Re: [RFC PATCH v2 00/13] nommu UML

2024-11-15 Thread Anton Ivanov
On 15/11/2024 10:12, Johannes Berg wrote: On Mon, 2024-11-11 at 15:27 +0900, Hajime Tazaki wrote: This is a series of patches of nommu arch addition to UML. It would be nice to ask comments/opinions on this. So I've been thinking about this for a while now... To be clear, I'm not really _

Re: [RFC PATCH v2 00/13] nommu UML

2024-11-15 Thread Johannes Berg
On Mon, 2024-11-11 at 15:27 +0900, Hajime Tazaki wrote: > This is a series of patches of nommu arch addition to UML. It would > be nice to ask comments/opinions on this. So I've been thinking about this for a while now... To be clear, I'm not really _against_ it. With around 1200 lines of code,

[RFC PATCH v2 00/13] nommu UML

2024-11-10 Thread Hajime Tazaki
This is a series of patches of nommu arch addition to UML. It would be nice to ask comments/opinions on this. There are still several limitations/issues which we already found; here is the list of those issues. - prompt configured with /etc/profile is broken (variables are not expanded, ${HOST