On Tue, Aug 9, 2022 at 5:57 PM Sebastian Andrzej Siewior <bigeasy@xxxxxxxxxxxxx> wrote: > > Remove the CONFIG_PREEMPT_RT symbol from the ifdef around > do_softirq_own_stack() and move it to Kconfig instead. > > Enable softirq stacks based on SOFTIRQ_ON_OWN_STACK which depends on > HAVE_SOFTIRQ_ON_OWN_STACK and its default value is set to !PREEMPT_RT. > This ensures that softirq stacks are not used on PREEMPT_RT and avoids > a 'select' statement on an option which has a 'depends' statement. > > Signed-off-by: Sebastian Andrzej Siewior <bigeasy@xxxxxxxxxxxxx> > --- > arch/Kconfig | 4 ++++ > arch/arm/kernel/irq.c | 2 +- > arch/parisc/kernel/irq.c | 2 +- > arch/powerpc/kernel/irq.c | 4 ++-- > arch/s390/include/asm/softirq_stack.h | 2 +- > arch/sh/kernel/irq.c | 2 +- > arch/sparc/kernel/irq_64.c | 2 +- > arch/x86/include/asm/irq_stack.h | 2 +- > arch/x86/kernel/irq_32.c | 2 +- > include/asm-generic/softirq_stack.h | 2 +- Thanks for the patch, I assume Linus will want to pick this up himself. Let me know if I should give it a spin in the asm-generic tree first for additional build testing. Acked-by: Arnd Bergmann <arnd@xxxxxxxx>
