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Linux kernel maintainer. Compilers and virtualization at Parity Technologies.
Edited 4 months ago

Another step forward towards making the compiler omniscient:
https://discourse.llvm.org/t/rfc-overflow-idiom-exclusion/80093
(Excluding "test for overflow" code patterns when using the unexpected overflow checker in Clang.)

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Jarkko Sakkinen

Edited 4 months ago

Built a site with a PDF resume (see /about) using Jekyll and Typst:

https://jarkko.codeberg.page/

Woodpecker CI puts everything together for every push building both site and the resume:

https://codeberg.org/jarkko/pages/src/branch/main/.woodpecker.yml

And resume made with Typst is a separate project, which can be updated independently while publication is taken care by the site project: https://codeberg.org/jarkko/resume

This is convenient…

#codeberg #woodpecker

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Jarkko Sakkinen

Edited 4 months ago

I just realized that #vim has these in the distribution:

❯ ls -1 /usr/share/vim/vim91/pack/dist/opt/
cfilter
comment
dvorak
editexisting
editorconfig
justify
matchit
shellmenu
swapmouse
termdebug

Thus, I can shrink my plugin list a bit:

diff --git a/.vimrc b/.vimrc
index a66c03b..383ea80 100644
--- a/.vimrc
+++ b/.vimrc
@@ -35,13 +35,14 @@ nnoremap <silent> <C-l> :nohl<C-R>=has('diff')?'<Bar>diffupdate':''<CR><CR><C-L>
 nnoremap <silent> <leader>lcd :lcd %:p:h<CR>:pwd<CR>
 nnoremap <silent> <leader>n :set number!<CR>
 
+packadd! comment
+packadd! editorconfig
+
 if !empty(globpath(&rtp, 'autoload/plug.vim'))
   call plug#begin()
   Plug 'ap/vim-buftabline', { 'as': 'buftabline' }
   Plug 'catppuccin/vim', { 'as': 'catppuccin' }
-  Plug 'editorconfig/editorconfig-vim', { 'as': 'editorconfig' }
   Plug 'kaarmu/typst.vim', { 'as': 'typst' }
-  Plug 'tpope/vim-commentary', { 'as': 'commentary' }
   Plug 'vim-scripts/git_patch_tags.vim', { 'as': 'git_patch_tags' }
   call plug#end()
 endif

Leaving only:

if !empty(globpath(&rtp, 'autoload/plug.vim'))
  call plug#begin()
  Plug 'ap/vim-buftabline', { 'as': 'buftabline' }
  Plug 'catppuccin/vim', { 'as': 'catppuccin' }
  Plug 'kaarmu/typst.vim', { 'as': 'typst' }
  Plug 'vim-scripts/git_patch_tags.vim', { 'as': 'git_patch_tags' }
  call plug#end()
endif

#holiday activities

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Jarkko Sakkinen

I think #hmac #encryption series for #TPM went well, and also think that enabling it by default only for x86-64 at first was the right call. The recent issue on power architecture proved it. It is better increase scope per request by architectures instead. #linux #kernel
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@ljs sorry, umh ? :D Not opposing, just deciphering...
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Jarkko Sakkinen

holiday activities
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Jarkko Sakkinen

Edited 4 months ago

I use ctags myself but if I’d really wanted to use LSP with kernel tree I’d put this running to a tmux pane:

echo vmlinux | entr scripts/clang-tools/gen_compile_commands.py

In English: every time vmlinux changes, compile_commands.json will change.

For more information, see https://eradman.com/entrproject/.

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Apple has committed to allowing rivals to access the 'tap and go’ technology of iPhones.

Today’s decision opens up competition.

From now on, competitors will be able to effectively compete with Apple Pay for mobile payments using iPhone in shops.

Read more: https://europa.eu/!tmg37y

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you gained +5 windows xp

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Jarkko Sakkinen

Edited 4 months ago

print the initial commit ID: git rev-list --max-parents=0 HEAD #git

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Jarkko Sakkinen

Edited 4 months ago
LOL, took time and learnt to use #vim's internal spell checker after using it since 1998. Thought that I should do it since my worst side at #LKML is that I have misspelling in every second #email.

I also have minor dyslexia so reading those emails before sending might not help.

#linux #kernel
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Jarkko Sakkinen

In an art exhibition of some sort
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Jarkko Sakkinen

Considering the possibility of rendering #typst #polylux slides as a "deck' of SVG files without header and footer.

Then in the 2nd phase the SVG files would be embedded into company or organization template, as if each slide contained a full size image.

I guess this could potentially work out well, as long as aspect ratio matches.

I've been also thinking of creating a private deck.git, which would just contain random conclusion composed into "raw" slides. I'm lazy at preparing presentations so this could be a key to improve my game a bit in this area :-) I.e. capture an idea into a slide and commit at the time of realizing something...
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Jarkko Sakkinen

time to work on a track #bitwig
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@troglobit In a 3D engine a single matrix multiplication in wrong order can result easily viewport to be behind the camera :-) IDE really helps to go through such stuff and analysing the results...
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@troglobit I've done a bit of graphics programming in the past also professionally, and in that field you need a GUI debugger with stepping - it is super essential asset in order to be productive. The main difference to kernel development is that instead of ugly stack dump in the logs, an error usually means either not seeing anything at all, or alternatively seeing garbage, so you need to carefully step everything from configuring display up to rendering triangles.

I do not consider anyone using IDE an idiot, it all depends on ideas and solutions :-) If some IDE helps you express cool ideas better than e.g. vim, you should probably use that then!
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Jarkko Sakkinen

I believe that this was written by AI ;-)

The story goes like that some people use #Vim and #Emacs, and others use #IDE 's, and one should use the tools that help to get the job done.

OK, cool, who cares? I don't. Write your kernel patches with Microsoft Word if that works for you, as far as I'm concerned...

https://stackoverflow.blog/2020/11/09/modern-ide-vs-vim-emacs/
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@vbabka @NetworkManager Probably NM support will happen, given that there is already backend to generate netplan yaml: https://ubuntu.com/core/docs/networkmanager/networkmanager-and-netplan. Such backend is just different same (generate .network files instead of yaml).
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@vbabka I think James dd a great job to be totally honest :-) I mean it was a big infrastructural change when you add an extra layer to a transmission path and with a single major collapse the overall result is on the positive side. Especially since the fixes landed *before* the release. Zero complains, this is just my part of the job...
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