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Re: [x86/mm] e2a7dcce31: kernel_BUG_at_arch/x86/mm/tlb.c

From Ingo Molnar <mingo@kernel.org>
Newsgroups linux.kernel
Subject Re: [x86/mm] e2a7dcce31: kernel_BUG_at_arch/x86/mm/tlb.c
Date 2017-05-28 11:00 +0200
Message-ID <tM2dj-83y-9@gated-at.bofh.it> (permalink)
References <tLK6K-4CH-5@gated-at.bofh.it> <tLMrT-6fP-3@gated-at.bofh.it>
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* Andy Lutomirski <luto@kernel.org> wrote:

> On Sat, May 27, 2017 at 6:31 AM, kernel test robot
> <xiaolong.ye@intel.com> wrote:
> >
> > FYI, we noticed the following commit:
> >
> > commit: e2a7dcce31f10bd7471b4245a6d1f2de344e7adf ("x86/mm: Rework lazy TLB to track the actual loaded mm")
> > https://git.kernel.org/cgit/linux/kernel/git/luto/linux.git x86/tlbflush_cleanup
> 
> Ugh, there's an unpleasant interaction between this patch and
> intel_idle.  I suspect that the intel_idle code in question is either
> wrong or pointless, but I want to investigate further.  Ingo, can you
> hold off on applying this patch?

Yeah, will wait for the next iteration of your series.

Thanks,

	Ingo

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Re: [x86/mm] e2a7dcce31: kernel_BUG_at_arch/x86/mm/tlb.c Andy Lutomirski <luto@kernel.org> - 2017-05-27 18:10 +0200
  Re: [x86/mm] e2a7dcce31: kernel_BUG_at_arch/x86/mm/tlb.c Andy Lutomirski <luto@kernel.org> - 2017-05-27 19:00 +0200
    Re: [x86/mm] e2a7dcce31: kernel_BUG_at_arch/x86/mm/tlb.c Arjan van de Ven <arjan@linux.intel.com> - 2017-05-31 06:10 +0200
      Re: [x86/mm] e2a7dcce31: kernel_BUG_at_arch/x86/mm/tlb.c Rik van Riel <riel@redhat.com> - 2017-05-31 14:50 +0200
        Re: [x86/mm] e2a7dcce31: kernel_BUG_at_arch/x86/mm/tlb.c Andy Lutomirski <luto@kernel.org> - 2017-05-31 16:00 +0200
  Re: [x86/mm] e2a7dcce31: kernel_BUG_at_arch/x86/mm/tlb.c Ingo Molnar <mingo@kernel.org> - 2017-05-28 11:00 +0200
  Re: [x86/mm] e2a7dcce31: kernel_BUG_at_arch/x86/mm/tlb.c Rik van Riel <riel@redhat.com> - 2017-05-28 16:20 +0200
    Re: [x86/mm] e2a7dcce31: kernel_BUG_at_arch/x86/mm/tlb.c Andy Lutomirski <luto@kernel.org> - 2017-05-28 18:00 +0200

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