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Re: pagetables used in interrupt context | |
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> I am not familiar with other architecture, but for ARM, Linux Kernel > 2.6.35, i checked the function handle_level_irq()and handle_edge_irq() in > chip.c, both of them will call handle_IRQ_event() which is in handle.c. and > the function handle_IRQ_event() will call the interrupt handler written by > user. Kernel does not open interrupt(ARM CPSR I bit)when calling interrupt > handler in handle_IRQ_event() function. this is only for top-half interrupt > handling. for bottom-half, it is no doubt that the interrupt will be > opened. The same applies to 3.3.0 as I see from the code of handle_irq_event_percpu() and its friends... --- KostaZ _______________________________________________ Kernelnewbies mailing list Kernelnewbies@xxxxxxxxxxxxxxxxx http://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies
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