Excerpts from kernel test robot's message of August 27, 2021 1:04 am:
> Hi Nicholas,
> 
> I love your patch! Yet something to improve:
> 
> [auto build test ERROR on powerpc/next]
> [also build test ERROR on v5.14-rc7 next-20210826]
> [cannot apply to scottwood/next]
> [If your patch is applied to the wrong git tree, kindly drop us a note.
> And when submitting patch, we suggest to use '--base' as documented in
> https://git-scm.com/docs/git-format-patch]
> 
> url:    https://github.com/0day-ci/linux/commits/Nicholas-Piggin/powerpc-64s-interrupt-speedups/20210825-204209
> base:   https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git next
> config: powerpc-allnoconfig (attached as .config)

Fix for 32-bit:

diff --git a/arch/powerpc/include/asm/hw_irq.h b/arch/powerpc/include/asm/hw_irq.h
index 8c78c40c006e..55e3fa44f280 100644
--- a/arch/powerpc/include/asm/hw_irq.h
+++ b/arch/powerpc/include/asm/hw_irq.h
@@ -437,7 +437,7 @@ static inline bool arch_irq_disabled_regs(struct pt_regs *regs)
        return !(regs->msr & MSR_EE);
 }
 
-static inline bool may_hard_irq_enable(void)
+static inline bool should_hard_irq_enable(void)
 {
        return false;
 }