Messages in this thread | | | Date | Thu, 23 Nov 2017 13:49:07 -0800 | From | Andi Kleen <> | Subject | Re: [RFC PATCH for 4.15 v12 00/22] Restartable sequences and CPU op vector |
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> Also, turning both line-level and instruction-level single-stepping into > infinite loops looks pretty much like a new kernel facility that breaks > user-space. It's a no-go from my point of view.
You could fix it at the debugger level with suitable annotation. Just turn the whole rseq into an extended line, and make sure it is handled for instruction stepping too.
-Andi
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