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Groups > linux.kernel > #1652135
| From | Rik van Riel <riel@redhat.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [x86/mm] e2a7dcce31: kernel_BUG_at_arch/x86/mm/tlb.c |
| Date | 2017-05-28 16:20 +0200 |
| Message-ID | <tM7cZ-34Y-3@gated-at.bofh.it> (permalink) |
| References | <tLK6K-4CH-5@gated-at.bofh.it> <tLMrT-6fP-3@gated-at.bofh.it> |
| Organization | Red Hat, Inc |
On Sat, 2017-05-27 at 09:00 -0700, Andy Lutomirski 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,
It would be pointless if my "make lazy TLB mode even lazier"
patch from last year had been applied.
https://patchwork.kernel.org/patch/9307541/
I guess I'll go re-send that and investigate the intel_idle
code in addition to that.
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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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