On Thu, 30 Nov 2023 23:50:45 +1100, Michael Ellerman wrote: > Allow a transition from the softirq stack to the hardirq stack when > handling a hardirq. Doing so means a hardirq received while deep in > softirq processing is less likely to cause a stack overflow of the > softirq stack. > > Previously it wasn't safe to do so because irq_exit() (which initiates > softirq processing) was called on the hardirq stack. > > [...]
Applied to powerpc/next. [1/1] powerpc/irq: Allow softirq to hardirq stack transition https://git.kernel.org/powerpc/c/4eb20bf34ea296f648971a8528e32cd80efcbe89 cheers