Messages in this thread | | | Date | Mon, 15 Jun 2020 16:54:48 +0200 | From | Peter Zijlstra <> | Subject | Re: [PATCH -tip v3 1/2] kcov: Make runtime functions noinstr-compatible |
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On Mon, Jun 15, 2020 at 09:53:06AM +0200, Marco Elver wrote:
> For KCSAN the crash still happens in check_preemption_disabled, in the > inlined native_save_fl function (apparently on its 'pushf'). If I turn > fixup_bad_iret's __this_cpu_read into a raw_cpu_read (to bypass > check_preemption_disabled), no more crash with KCSAN.
Yeah, I can't see anything weird there with KCSAN + KCOV + NOP :-(
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