diff options
Diffstat (limited to 'arch/blackfin/mach-common/interrupt.S')
| -rw-r--r-- | arch/blackfin/mach-common/interrupt.S | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/arch/blackfin/mach-common/interrupt.S b/arch/blackfin/mach-common/interrupt.S index 2df37db..469ce72 100644 --- a/arch/blackfin/mach-common/interrupt.S +++ b/arch/blackfin/mach-common/interrupt.S @@ -274,16 +274,16 @@ ENDPROC(_evt_system_call) * level to EVT14 to prepare the caller for a normal interrupt * return through RTI. * - * We currently use this facility in two occasions: + * We currently use this feature in two occasions: * - * - to branch to __ipipe_irq_tail_hook as requested by a high + * - before branching to __ipipe_irq_tail_hook as requested by a high * priority domain after the pipeline delivered an interrupt, * e.g. such as Xenomai, in order to start its rescheduling * procedure, since we may not switch tasks when IRQ levels are * nested on the Blackfin, so we have to fake an interrupt return * so that we may reschedule immediately. * - * - to branch to sync_root_irqs, in order to play any interrupt + * - before branching to __ipipe_sync_root(), in order to play any interrupt * pending for the root domain (i.e. the Linux kernel). This lowers * the core priority level enough so that Linux IRQ handlers may * never delay interrupts handled by high priority domains; we defer |
