From: Thomas Gleixner <tglx@xxxxxxxxxxxxx> Date: Tue, 29 Sep 2020 22:25:09 +0200 > in the discussion about preempt count consistency accross kernel configurations: > > https://lore.kernel.org/r/20200914204209.256266093@xxxxxxxxxxxxx/ > > Linus clearly requested that code in drivers and libraries which changes > behaviour based on execution context should either be split up so that > e.g. task context invocations and BH invocations have different interfaces > or if that's not possible the context information has to be provided by the > caller which knows in which context it is executing. > > This includes conditional locking, allocation mode (GFP_*) decisions and > avoidance of code paths which might sleep. > > In the long run, usage of 'preemptible, in_*irq etc.' should be banned from > driver code completely. > > This is the second version of the first batch of related changes. V1 can be > found here: > > https://lore.kernel.org/r/20200927194846.045411263@xxxxxxxxxxxxx ... Series applied to net-next, thanks.
