On Wed, 2020-12-02 at 14:18 +0000, Mark Rutland wrote: > External Email > > ------------------------------------------------------------------- > --- > On Mon, Nov 23, 2020 at 05:57:42PM +0000, Alex Belits wrote: > > Some drivers don't call functions that call > > task_isolation_kernel_enter() in interrupt handlers. Call it > > directly. > > I don't think putting this in drivers is the right approach. IIUC we > only need to track user<->kernel transitions, and we can do that > within > the architectural entry code before we ever reach irqchip code. I > suspect the current approacch is an artifact of that being difficult > in > the old structure of the arch code; recent rework should address > that, > and we can restruecture things further in future. I agree completely. This patch only covers irqchip drivers with unusual entry procedures. -- Alex
