diff options
Diffstat (limited to 'arch/powerpc/platforms/pseries/plpar_wrappers.h')
| -rw-r--r-- | arch/powerpc/platforms/pseries/plpar_wrappers.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/arch/powerpc/platforms/pseries/plpar_wrappers.h b/arch/powerpc/platforms/pseries/plpar_wrappers.h index e6cc34a67053..b93384929c4c 100644 --- a/arch/powerpc/platforms/pseries/plpar_wrappers.h +++ b/arch/powerpc/platforms/pseries/plpar_wrappers.h @@ -2,6 +2,7 @@ #define _PSERIES_PLPAR_WRAPPERS_H #include <linux/string.h> +#include <linux/irqflags.h> #include <asm/hvcall.h> #include <asm/paca.h> @@ -41,7 +42,14 @@ static inline long extended_cede_processor(unsigned long latency_hint) u8 old_latency_hint = get_cede_latency_hint(); set_cede_latency_hint(latency_hint); + rc = cede_processor(); +#ifdef CONFIG_TRACE_IRQFLAGS + /* Ensure that H_CEDE returns with IRQs on */ + if (WARN_ON(!(mfmsr() & MSR_EE))) + __hard_irq_enable(); +#endif + set_cede_latency_hint(old_latency_hint); return rc; |
