local_irq_save vs raw_local_irq_save

[Raj Ravi]

Hi,

Please let me know the difference between
local_irq_save  and raw_local_irq_save ?
At which situation one should use raw_local_irq_save?


Also, I read "flags"  is where interrupt state is saved while disabling
interrupts in local cpu (for local_irq_save).

What EXACTLY this  flags contains?  What do you mean by interrupt state
here?

Thanks!
Kavi
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