Hi, all
We know that the way using soft irq in rtl is first
rtl_get_soft_irq(linux_handler,name)
>From the code I know that when /rtl_get_soft_irq/, it will occupy one item
of /irq_desc/
and assign it the corresponding handler, etc.
My question is : Why we use /irq_desc/? After all, it is a precious resource
shared by
hardware interrupt. We can use another array to record soft-irq, And check
the array
when /rtl_intercept/.
If there any are other reasons than just save some labor? Or I make some
mistake?
Thanks a lot.
Regards
Du Yuedong
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