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SubjectRe: [PATCH 4.18 050/123] mm/tlb, x86/mm: Support invalidating TLB caches for RCU_TABLE_FREE
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On 04. sep. 2018 08:10, Andre Tomt wrote:
> 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 commit
> db7ddef301128dad394f1c0f77027f86ee9a4edb
> mm: move tlb_table_flush to tlb_flush_mmu_free
>
> Have not tested.

Tested it now. Adding this commit to my local 4.18.6-rc1 based tree
fixes the crashing on my systems.

On 4.18.6-rc1 they would fall over within seconds of getting to the
login prompt.

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