Ingo Molnar wrote:
* Ingo Molnar <mi...@elte.hu> wrote:

They have the following commit IDs, and they are also in tip/master:

 921e521: x86: move NMI back to interrupt stack
 36ef6c9: x86: make interrupt stack switching atomic
 dd64891: x86: consolidate irq stack switching to a single macro
 955a368: x86: drop the use of the tss interrupt stack table (IST)

I also started testing them in tip-qa.

testing failed quickly, the attached config crashes. I've pushed out the bad kernel to the tip/tmp.master.bad branch:

 fe3aac9: Merge branch 'x86/irq'

(no crashlog available - all i know that the box crashed and rebooted, when booted with the bzImage built out of the attached config.)

I managed to reproduce this (after several hundred million interrupts and several dozen million NMIs - do you run anything special on your tests?)

--
I have a truly marvellous patch that fixes the bug which this
signature is too narrow to contain.

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