Re: [PATCH 2/2] I-pipe: x86 port

From: Daniel Walker
Date: Mon Jun 20 2005 - 17:33:47 EST

On Sat, 2005-06-18 at 01:21 +0200, Philippe Gerum wrote:

> +#define local_save_flags(x) ((x) = __ipipe_test_root())
> +#define local_irq_save(x) ((x) = __ipipe_test_and_stall_root())
> +#define local_irq_restore(x) __ipipe_restore_root(x)
> +#define local_irq_disable() __ipipe_stall_root()
> +#define local_irq_enable() __ipipe_unstall_root()
> +
> +#define irqs_disabled() __ipipe_test_root()

If you want to integrate with newer RT patches , (I'm not sure which one
this is on) .. You could modify the above so that it uses the soft irq's
off flags . So if linux is in a soft irq disable than it's equal to a
stall on the ipipe ..


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