On Wed, Apr 29, 2020 at 09:25:10AM -0700, Guenter Roeck wrote: > Hi, > > commit ab6f762f0f53 ("printk: queue wake_up_klogd irq_work only if per-CPU > areas are ready") fixes a critical problem introduced with commit > 1b710b1b10ef ("char/random: silence a lockdep splat with printk()"). > Since commit 1b710b1b10ef has been applied to v5.4.y, commit ab6f762f0f53 > needs to be applied as well. > > An alternative might be to revert commit 1b710b1b10ef from v5.4.y, as > it was done for older kernel branches. However, we found that ab6f762f0f53 > applies cleanly to v5.4.y and fixes the problem, so applying the fix > is probably a better solution. > > Commit ab6f762f0f53 also needs to be applied to v5.6.y. I have applied it to 5.4.y and 5.6.y now, thanks. greg k-h