Messages in this thread | | | Date | Mon, 6 Jan 2014 12:32:30 +0100 | From | Sebastian Andrzej Siewior <> | Subject | Re: [PATCH] Revert "x86: Disable IST stacks for debug/int 3/stack fault for PREEMPT_RT" |
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* Andi Kleen | 2014-01-04 19:18:07 [+0100]:
>On Fri, Jan 03, 2014 at 02:55:48PM +0100, Sebastian Andrzej Siewior wrote: >> where do I start. Let me explain what is going on here. The code >> sequence > >Yes the IST stacks are needed for correctness, even in more cases than >the example below. You cannot just disable them, just because you don't >like them.
Andi, you were the Author of that patch. I plan to migrate from the IST stack to the kernel stack so I can enable preemption. This is he case on 32bit. You mention more cases than this. Could you please give me some examples so I can consider them?
>-Andi
Sebastian
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