Re: [PATCH 4.18 050/123] mm/tlb, x86/mm: Support invalidating TLB caches for RCU_TABLE_FREE

Subject: Re: [PATCH 4.18 050/123] mm/tlb, x86/mm: Support invalidating TLB caches for RCU_TABLE_FREE
From: Andre Tomt <andre@xxxxxxxx>
Date: Tue, 4 Sep 2018 08:10:45 +0200
Cc: open list <linux-kernel@xxxxxxxxxxxxxxx>, linux- stable <stable@xxxxxxxxxxxxxxx>, Jann Horn <jannh@xxxxxxxxxx>, "Peter Zijlstra (Intel)" <peterz@xxxxxxxxxxxxx>, Rik van Riel <riel@xxxxxxxxxxx>, Nicholas Piggin <npiggin@xxxxxxxxx>, David Miller <davem@xxxxxxxxxxxxx>, Will Deacon <will.deacon@xxxxxxx>, Martin Schwidefsky <schwidefsky@xxxxxxxxxx>, Michael Ellerman <mpe@xxxxxxxxxxxxxx>, stable@xxxxxxxxxx, Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>
In-reply-to: <20180904052428.GA26045@kroah.com>
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On 04. sep. 2018 07:24, Greg Kroah-Hartman wrote:

Full test log link,
https://lkft.validation.linaro.org/scheduler/job/404027#L4051


Does Linus's tree also crash with this patch applied?  Being "bug
compatible" is good :)

thanks,

greg k-h

I suspect it is because we're missing upstream commitdb7ddef301128dad394f1c0f77027f86ee9a4edb

mm: move tlb_table_flush to tlb_flush_mmu_free

Have not tested.

Follow-Ups:
- Re: [PATCH 4.18 050/123] mm/tlb, x86/mm: Support invalidating TLB caches for RCU_TABLE_FREE
  - From: Andre Tomt

References:
- [PATCH 4.18 000/123] 4.18.6-stable review
  - From: Greg Kroah-Hartman
- [PATCH 4.18 050/123] mm/tlb, x86/mm: Support invalidating TLB caches for RCU_TABLE_FREE
  - From: Greg Kroah-Hartman
- Re: [PATCH 4.18 050/123] mm/tlb, x86/mm: Support invalidating TLB caches for RCU_TABLE_FREE
  - From: Naresh Kamboju
- Re: [PATCH 4.18 050/123] mm/tlb, x86/mm: Support invalidating TLB caches for RCU_TABLE_FREE
  - From: Greg Kroah-Hartman