On Thu, Nov 19, 2020 at 07:50:15AM +0800, Tao Zhou wrote: > On Wed, Nov 18, 2020 at 07:56:38PM -0300, Guilherme G. Piccoli wrote: > > Hi Vincent (and all CCed), I'm sorry to ping about such "old" patch, but > > we experienced a similar condition to what this patch addresses; it's an > > older kernel (4.15.x) but when suggesting the users to move to an > > updated 5.4.x kernel, we noticed that this patch is not there, although > > similar ones are (like [0] and [1]). > > > > So, I'd like to ask if there's any particular reason to not backport > > this fix to stable kernels, specially the longterm 5.4. The main reason > > behind the question is that the code is very complex for non-experienced > > scheduler developers, and I'm afraid in suggesting such backport to 5.4 > > and introduce complex-to-debug issues. > > > > Let me know your thoughts Vincent (and all CCed), thanks in advance. > > Cheers, > > > > > > Guilherme > > > > > > P.S. For those that deleted this thread from the email client, here's a > > link: > > https://lore.kernel.org/lkml/[email protected]/ > > > > > > [0] > > https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=fe61468b2cb > > > > [1] > > https://lore.kernel.org/lkml/[email protected]/ > > <- great thread BTW! > > 'sched/fair: Fix unthrottle_cfs_rq() for leaf_cfs_rq list" failed to apply to > 5.4-stable tree' > > You could check above. But I do not have the link about this. Can't search it > on LKML web: https://lore.kernel.org/lkml/ > > BTW: '[email protected]' and '[email protected]' all is myself. > > Sorry for the confusing.. > > Thanks.
Sorry again. I forget something. It is in the stable. Here it is: https://lore.kernel.org/stable/[email protected]/
