On Mon, May 10, 2021 at 13:55:18 +0200, Mauro Carvalho Chehab wrote: > $ git grep "CPU 0 has been" Documentation/RCU/ > Documentation/RCU/Design/Data-Structures/Data-Structures.rst:| #. CPU 0 has been in dyntick-idle mode for quite some time. When it | > Documentation/RCU/Design/Data-Structures/Data-Structures.rst:| notices that CPU 0 has been in dyntick idle mode, which qualifies | The kernel documentation uses hard line wraps, so such a naive grep is going to always fail unless such line wraps are taken into account. Not saying this isn't an improvement in and of itself, but smarter searching strategies are likely needed anyways. --Ben