diff options
| -rw-r--r-- | arch/sparc/include/asm/irqflags_64.h | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/arch/sparc/include/asm/irqflags_64.h b/arch/sparc/include/asm/irqflags_64.h index 8b49bf920df3..a16e94c4b149 100644 --- a/arch/sparc/include/asm/irqflags_64.h +++ b/arch/sparc/include/asm/irqflags_64.h | |||
| @@ -76,9 +76,19 @@ static inline int raw_irqs_disabled(void) | |||
| 76 | */ | 76 | */ |
| 77 | static inline unsigned long __raw_local_irq_save(void) | 77 | static inline unsigned long __raw_local_irq_save(void) |
| 78 | { | 78 | { |
| 79 | unsigned long flags = __raw_local_save_flags(); | 79 | unsigned long flags, tmp; |
| 80 | 80 | ||
| 81 | raw_local_irq_disable(); | 81 | /* Disable interrupts to PIL_NORMAL_MAX unless we already |
| 82 | * are using PIL_NMI, in which case PIL_NMI is retained. | ||
| 83 | */ | ||
| 84 | __asm__ __volatile__( | ||
| 85 | "rdpr %%pil, %0\n\t" | ||
| 86 | "or %0, %2, %1\n\t" | ||
| 87 | "wrpr %1, 0x0, %%pil" | ||
| 88 | : "=r" (flags), "=r" (tmp) | ||
| 89 | : "i" (PIL_NORMAL_MAX) | ||
| 90 | : "memory" | ||
| 91 | ); | ||
| 82 | 92 | ||
| 83 | return flags; | 93 | return flags; |
| 84 | } | 94 | } |
