bug#46981: Severe Emacs shell mode performance regression in recent Linux-libre

2021-03-06 Thread Mark H Weaver
FYI, for those who use Emacs shell mode (M-x shell), I wanted to give a heads-up about a severe performance regression in Linux-libre 5.10.20, and I suspect the same regression exists in 5.11.3. For details, see the bug report I submitted to the Emacs developers, here:

bug#46981: Severe Emacs shell mode performance regression in recent Linux-libre

2021-03-06 Thread Mark H Weaver
Mark H Weaver writes: > FYI, for those who use Emacs shell mode (M-x shell), I wanted to give a > heads-up about a severe performance regression in Linux-libre 5.10.20, > and I suspect the same regression exists in 5.11.3. > > For details, see the bug report I submitted to the Emacs developers, >

bug#46981: Severe Emacs shell mode performance regression in recent Linux-libre

2021-03-06 Thread Mark H Weaver
Mark H Weaver writes: > I've since confirmed that reverting the two upstream commits mentioned > in fixes the performance regression. I've > attached a preliminary patch for Guix that reverts those upstream > commits for linux-libre@5.10, and which I've tested on my

bug#46981: Severe Emacs shell mode performance regression in recent Linux-libre

2021-03-07 Thread Bengt Richter
Hi Mark, et? On +2021-03-06 21:54:42 -0500, Mark H Weaver wrote: > Mark H Weaver writes: > > > FYI, for those who use Emacs shell mode (M-x shell), I wanted to give a > > heads-up about a severe performance regression in Linux-libre 5.10.20, > > and I suspect the same regression exists in 5.11.3

bug#46981: Severe Emacs shell mode performance regression in recent Linux-libre

2021-03-07 Thread Christopher Baines
Mark H Weaver writes: > Mark H Weaver writes: > >> FYI, for those who use Emacs shell mode (M-x shell), I wanted to give a >> heads-up about a severe performance regression in Linux-libre 5.10.20, >> and I suspect the same regression exists in 5.11.3. >> >> For details, see the bug report I sub

bug#46981: Severe Emacs shell mode performance regression in recent Linux-libre

2021-03-07 Thread Mark H Weaver
The problem was fixed upstream in Linux-libre 5.10.21, and presumably also in 5.11.4, so I'm closing this bug now. Mark

bug#46981: Severe Emacs shell mode performance regression in recent Linux-libre

2021-03-10 Thread Ludovic Courtès
Hi Mark, Mark H Weaver skribis: > The problem was fixed upstream in Linux-libre 5.10.21, and presumably > also in 5.11.4, so I'm closing this bug now. Woow, that was far from an obvious fix. Thanks a lot! Ludo’.