diff options
| author | Nicholas Piggin <[email protected]> | 2021-01-30 23:08:39 +1000 |
|---|---|---|
| committer | Michael Ellerman <[email protected]> | 2021-02-09 00:02:12 +1100 |
| commit | e6f8a6c86ce7b2108c03c1cc014fdae278573df1 (patch) | |
| tree | 919bb1ecde29bc1dadd7bf8578f81242e20cb8dc /arch/powerpc/include/asm/interrupt.h | |
| parent | 3a96570ffceb15c6ed9cc6f990f172dcdc8ac279 (diff) | |
powerpc: add interrupt_cond_local_irq_enable helper
Simple helper for synchronous interrupt handlers (i.e., process-context)
to enable interrupts if it was taken in an interrupts-enabled context.
Signed-off-by: Nicholas Piggin <[email protected]>
Signed-off-by: Michael Ellerman <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Diffstat (limited to 'arch/powerpc/include/asm/interrupt.h')
| -rw-r--r-- | arch/powerpc/include/asm/interrupt.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/interrupt.h b/arch/powerpc/include/asm/interrupt.h index 4ffbd3d75324..488bdd5bd922 100644 --- a/arch/powerpc/include/asm/interrupt.h +++ b/arch/powerpc/include/asm/interrupt.h @@ -3,6 +3,7 @@ #define _ASM_POWERPC_INTERRUPT_H #include <linux/context_tracking.h> +#include <linux/hardirq.h> #include <asm/ftrace.h> struct interrupt_state { @@ -298,4 +299,10 @@ DECLARE_INTERRUPT_HANDLER_ASYNC(TAUException); void replay_system_reset(void); void replay_soft_interrupts(void); +static inline void interrupt_cond_local_irq_enable(struct pt_regs *regs) +{ + if (!arch_irq_disabled_regs(regs)) + local_irq_enable(); +} + #endif /* _ASM_POWERPC_INTERRUPT_H */ |