Messages in this thread | | | Date | Mon, 5 Jan 2015 13:46:24 -0800 | Subject | Re: [PATCH v4 2/5] x86, traps: Track entry into and exit from IST context | From | Tony Luck <> |
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On Wed, Dec 10, 2014 at 4:24 PM, Andy Lutomirski <luto@amacapital.net> wrote: > I think you need ist_begin_non_atomic() before local_irq_enable() and > ist_end_non_atomic() after local_irq_disable(). Otherwise it should > be good.
In your x86/paranoid branch you added:
prev_state = ist_enter(regs); .... body of do_machine_check() here ... ist_exit(regs, prev_state);
Does that override the previous advice? Or do I still need something before I call local_irq_enable() and after local_irq_disable()?
-Tony
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